﻿////////////////////////////////////////////////////////////////////////////////
//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
//  (the "License"); you may not use this file except in compliance with
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//
//      http://www.apache.org/licenses/LICENSE-2.0
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////////////////////////////////////////////////////////////////////////////////
package UnitTest.Tests
{
    import UnitTest.ExtendedClasses.TestConfigurationLoader;
    import UnitTest.ExtendedClasses.VellumTestCase;
    import UnitTest.Fixtures.TestCaseVo;
    import UnitTest.Fixtures.TestConfig;

    import flash.display.BitmapData;
    import flash.display.DisplayObject;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.Point;
    import flash.geom.Rectangle;
    import flash.system.Capabilities;
    import flash.text.engine.TextLine;
    import flash.ui.Mouse;
    import flash.utils.*;

    import flashx.textLayout.compose.TextFlowLine;
    import flashx.textLayout.container.*;
    import flashx.textLayout.conversion.TextConverter;
    import flashx.textLayout.edit.EditManager;
    import flashx.textLayout.elements.Configuration;
    import flashx.textLayout.elements.GlobalSettings;
    import flashx.textLayout.elements.InlineGraphicElementStatus;
    import flashx.textLayout.elements.ParagraphElement;
    import flashx.textLayout.elements.TextFlow;
    import flashx.textLayout.events.StatusChangeEvent;
    import flashx.textLayout.formats.*;
    import flashx.textLayout.tlf_internal;

    import mx.containers.Canvas;

    import org.flexunit.asserts.assertTrue;

    use namespace tlf_internal;

    /**
     * Class is using mechanism IExternalDependencyLoader.
     * Data providers with loaded data are shared between test methods
     */
    [TestCase(order=15)]
    [RunWith("org.flexunit.runners.Parameterized")]
    public class ContainerAttributeTest extends VellumTestCase
    {
        [DataPoints(loader="checkColumnWidthOnGapChangeTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var checkColumnWidthOnGapChangeTestDp:Array;

        public static var checkColumnWidthOnGapChangeTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "checkColumnWidthOnGapChangeTest");

        [DataPoints(loader="checkVerticalAlignTopTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var checkVerticalAlignTopTestDp:Array;

        public static var checkVerticalAlignTopTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "checkVerticalAlignTopTest");

        [DataPoints(loader="checkVerticalAlignBottomTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var checkVerticalAlignBottomTestDp:Array;

        public static var checkVerticalAlignBottomTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "checkVerticalAlignBottomTest");

        [DataPoints(loader="leftPaddingSqueezeTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var leftPaddingSqueezeTestDp:Array;

        public static var leftPaddingSqueezeTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "leftPaddingSqueezeTest");

        [DataPoints(loader="checkVerticalAlignMiddleTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var checkVerticalAlignMiddleTestDp:Array;

        public static var checkVerticalAlignMiddleTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "checkVerticalAlignMiddleTest");

        [DataPoints(loader="contentBoundsWithWhitespacesLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var contentBoundsWithWhitespacesDp:Array;

        public static var contentBoundsWithWhitespacesLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "ContentBoundsWithWhitespaces");

        [DataPoints(loader="hBeamCursorTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var hBeamCursorTestDp:Array;

        public static var hBeamCursorTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "HBeamCursorTest");

        [DataPoints(loader="topPaddingSqueezeTestLoader")]
        [ArrayElementType("UnitTest.Fixtures.TestCaseVo")]
        public static var topPaddingSqueezeTestDp:Array;

        public static var topPaddingSqueezeTestLoader:TestConfigurationLoader =  new TestConfigurationLoader("../../test/testCases/ContainerAttributeTests.xml", "topPaddingSqueezeTest");

        private var testContainer:Boolean;
        private var inputContainerAttrs:TextLayoutFormat;
        private var outputContainerAttrs:ITextLayoutFormat;
        private var initSize:Point;

        private var currentDpData:Object;

        public function ContainerAttributeTest()
        {
            super("", "ContainerAttributeTest", TestConfig.getInstance());

            this.testContainer = (TestData.testContainer == "true");
            TestID = TestID + ":" + testContainer;
            inputContainerAttrs = new TextLayoutFormat();

            metaData = {};
            metaData.productArea = "Text Container";
        }

        public override function setUpTest():void
        {
            super.setUpTest();
            paddingRight = 0;
            paddingLeft = 0;
            SelManager.textFlow.paddingLeft = 0;
            SelManager.textFlow.paddingRight = 0;
            SelManager.selectAll();
            columnGap = 0;
            columnWidth = FormatValue.AUTO;
            columnCount = FormatValue.AUTO;

            testContainer = currentDpData.testContainer;
            TestData.bitmapSnapshot = currentDpData.bitmapSnapshot ? "true" : "false";
            TestData.minimal = currentDpData.minimal ? "true" : "false";
            writingDirection[0] = currentDpData.rl_ltr == "true" ? BlockProgression.TB : BlockProgression.RL;
            writingDirection[1] = currentDpData.tb_rtl == "true" ?  Direction.LTR : Direction.RTL;
        }

        [After]
        public override function tearDownTest():void
        {
            if (initSize)
            {
                size = initSize;
            }

            super.tearDownTest();
        }

        [AfterClass]
        public static function tearItDown():void {
            TestConfig.getInstance().testConfigData = null;
        }

        private function set columnCount(count:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.columnCount = count;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.columnCount = count;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function get columnCount():Object
        {
            outputContainerAttrs = TestFrame.computedFormat;
            return outputContainerAttrs.columnCount;
        }

        private function set columnGap(gap:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.columnGap = gap;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.columnGap = gap;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function get columnGap():Object
        {
            outputContainerAttrs = TestFrame.computedFormat;
            return outputContainerAttrs.columnGap;
        }

        private function set columnWidth(width:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.columnWidth = width;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.columnWidth = width;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function get verticalAlign():Object
        {
            outputContainerAttrs = TestFrame.computedFormat;
            return outputContainerAttrs.verticalAlign;
        }

        private function set verticalAlign(align:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.verticalAlign = align as String;
                TestFrame.format = ca;

                // Added as result of bug #1875477
                TestFrame.textFlow.flowComposer.updateAllControllers();
            }
            else
            {
                inputContainerAttrs.verticalAlign = align as String;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function get columnWidth():Object
        {
            outputContainerAttrs = TestFrame.computedFormat;
            return outputContainerAttrs.columnWidth;
        }

        private function set paddingTop(padding:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.paddingTop = padding;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.paddingTop = padding;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function set paddingBottom(padding:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.paddingBottom = padding;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.paddingBottom = padding;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function set paddingRight(padding:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.paddingRight = padding;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.paddingRight = padding;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function set paddingLeft(padding:Object):void
        {
            if (testContainer)
            {
                var ca:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
                ca.paddingLeft = padding;
                TestFrame.format = ca;
            }
            else
            {
                inputContainerAttrs.paddingLeft = padding;
                SelManager.applyContainerFormat(inputContainerAttrs);
            }
        }

        private function get testFrameWidth():Number
        {
            return TestFrame.compositionWidth;
        }

        private function get testFrameHeight():Number
        {
            return TestFrame.compositionHeight;
        }

        private function get blockProgression():String
        {
            return TestFrame.rootElement.computedFormat.blockProgression;
        }

        private function set blockProgression(mode:String):void
        {
            TestFrame.rootElement.blockProgression = mode;
            TestFrame.textFlow.flowComposer.compose();
        }

        private function get size():Point
        {
            var width:Number = 0;
            var height:Number = 0;

            if (TestFrame.container is DisplayObject)
            {
                var frame:DisplayObject = TestFrame.container as DisplayObject;
                width = frame.width;
                height = frame.height;
            }

            return new Point(width, height);
        }

        private function set size(dimension:Point):void
        {
            var containerAttr:TextLayoutFormat = new TextLayoutFormat(TestFrame.format);
            containerAttr.columnCount = 1;
            containerAttr.paddingLeft = 0;
            containerAttr.paddingRight = 0;
            containerAttr.paddingTop = 0;
            containerAttr.paddingBottom = 0;
            TestFrame.format = containerAttr;

            if (TestFrame.container is Sprite)
            {
                TextFlow(testApp.getTextFlow()).flowComposer.getControllerAt(0).setCompositionSize(dimension.x, dimension.y);
                TextFlow(testApp.getTextFlow()).flowComposer.updateAllControllers();
            }
            else
                throw new Error("test does not know how to resize this container type");	// Above should be generalized?
        }

        /**
         * Set and get the firstBaselineOffset string values and test bound of numeric values.
         */
        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function checkfirstBaselineOffset(dpData:TestCaseVo):void // KJT
        {
            currentDpData = dpData;
            setUpTest();

            inputContainerAttrs.firstBaselineOffset = BaselineOffset.ASCENT;
            assertTrue("expected: ascent.  cascaded: " + String(inputContainerAttrs.firstBaselineOffset),
                    String(inputContainerAttrs.firstBaselineOffset) == BaselineOffset.ASCENT);
            inputContainerAttrs.firstBaselineOffset = BaselineOffset.LINE_HEIGHT;
            assertTrue("expected: leading.  cascaded: " + String(inputContainerAttrs.firstBaselineOffset),
                    String(inputContainerAttrs.firstBaselineOffset) == BaselineOffset.LINE_HEIGHT);
            for (var cter:uint = TextLayoutFormat.firstBaselineOffsetProperty.minValue; cter <= TextLayoutFormat.firstBaselineOffsetProperty.maxValue; cter += 33.33)
            {
                inputContainerAttrs.firstBaselineOffset = cter;
                assertTrue("expected: " + cter + ". cascaded: " + inputContainerAttrs.firstBaselineOffset, inputContainerAttrs.firstBaselineOffset == cter);
            }

            inputContainerAttrs.firstBaselineOffset = undefined;
        }

        /**
         * Set the gap, then change the width to see how the column count changes.
         */
        public function checkColumnCountOnWidthChangeTest():void
        {
            var width:Number = testFrameWidth;
            var cWidth:Number = width / 10;

            columnGap = 0;
            columnWidth = cWidth;

            var initCount:int = TestFrame.columnState.columnCount;

            columnWidth = cWidth * 2;


            var endCount:int = TestFrame.columnState.columnCount;

            assertTrue("expected " + Math.floor(initCount / 2) + " but got " + endCount,
                    Math.floor(initCount / 2) == endCount);
        }

        /**
         * Set the width, then change the column gap to see how the column count changes.
         */
        public function checkColumnCountOnGapChangeTest():void
        {
            var width:Number = testFrameWidth;
            var cWidth:Number = width / 10;

            /*paddingRight = 0;
             paddingLeft = 0;
             SelManager.textFlow.paddingLeft = 0;
             SelManager.textFlow.paddingRight = 0;*/
            columnGap = 0;
            columnWidth = cWidth;

            var initCount:Number = TestFrame.columnState.columnCount;

            columnGap = cWidth / 10;

            var endCount:Number = TestFrame.columnState.columnCount;

            assertTrue("expected " + (initCount - 1) + " but got " + endCount,
                    initCount - 1 == endCount);
        }

        /**
         * Set the column count, then change the column gap and see how the column width changes.
         */
        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function checkColumnWidthOnGapChangeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var width:Number = testFrameWidth;
            var cWidth:Number = width / 10;

            /*paddingRight = 0;
             paddingLeft = 0;
             SelManager.textFlow.paddingLeft = 0;
             SelManager.textFlow.paddingRight = 0;*/
            columnGap = 0;
            columnCount = 10;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initWidth:Number = initColumn.width;

            columnGap = cWidth / 9;

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endWidth:Number = endColumn.width;
            assertTrue("expected " + (initWidth - (initWidth / 10)) + " but got " + endWidth,
                    ((initWidth - (initWidth / 10)) - endWidth) < 0.01);
        }

        /**
         * Set the column gap, then change the column count to see how the column width changes.
         */
        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function checkColumnWidthOnCountChangeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var bp:String = TestFrame.textFlow.computedFormat.blockProgression;
            var width:Number = bp == BlockProgression.TB ? testFrameWidth : testFrameHeight;
            var cWidth:Number = width / 10;

            /*paddingRight = 0;
             paddingLeft = 0;
             SelManager.textFlow.paddingLeft = 0;
             SelManager.textFlow.paddingRight = 0;*/
            columnGap = 0;
            columnCount = 10;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initWidth:Number = bp == BlockProgression.TB ? initColumn.width : initColumn.height;

            columnCount = 5;

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endWidth:Number = bp == BlockProgression.TB ? endColumn.width : endColumn.height;

            assertTrue("expected " + Math.floor(endWidth / 2) + " but got " + initWidth,
                    Math.floor(endWidth / 2) == Math.floor(initWidth));
            assertTrue("expected " + Math.floor(initWidth) + " but got " + Math.floor(cWidth),
                    Math.floor(initWidth) == Math.floor(cWidth));
        }

        /**
         * Set the column count, then change the column width to see how the column gap changes.
         */
        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        [Ignore]
        public function checkColumnGapOnWidthChangeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var width:Number = testFrameWidth;

            columnCount = 2;
            columnWidth = width / 3;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initGap:Number = width - initColumn.width * 2;

            assertTrue("expected init width to equal " + width / 3 + ", but got " + columnWidth,
                    columnWidth == width / 3);
            assertTrue("expected init count to equal " + 2 + ", but got " + columnCount,
                    columnCount == 2);
            assertTrue("expected init gap to equal " + width / 3 + ", but got " + initGap,
                    Math.floor(initGap) == Math.floor(width / 3));

            columnWidth = width / 2;

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endGap:Number = width - endColumn.width * 2;

            assertTrue("expected " + Math.floor(width / 2) + " but got " + Math.floor(endGap),
                    Math.floor(endGap) == 0);
        }

        /**
         * Set the column width, then change the column count to see how the column gap changes.
         * NOTE: Currently commented out due to bug 1657149.
         */
        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function checkColumnGapOnCountChangeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var width:Number = testFrameWidth;

            columnCount = 10;
            var cWidth:Number = width / 10;
            //to get gap by reducing column width
            columnWidth = cWidth - cWidth / 9;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initGap:Number = cWidth - initColumn.width;

            //increase column count but no change to column count, gap should reduce
            columnCount = 11;
            cWidth = width / 11;

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endGap:Number = cWidth - endColumn.width;
            assertTrue("Gap should reduce when column count increased and column width no change. ",
                    initGap > endGap);
        }

        /**
         * Slowly increase the padding at the top until it pushes a line off the screen
         * then verify that the last line was the line pushed off the screen.
         */
        [Test(dataProvider=topPaddingSqueezeTestDp)]
        public function topPaddingSqueezeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var length:int = SelManager.textFlow.flowComposer.numLines;
            var last:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(length - 1);
            var size:int = last.textLength;
            var count:int = TestFrame.textLength;

            for (var i:int = 0; i < 1000; i++)
            {
                paddingTop = i;
                TestFrame.textFlow.flowComposer.compose();

                if (TestFrame.textLength == count - size)
                {
                    return;
                }
            }
            assertTrue("Expected " + size + "characters to be pushed off (the last line)" +
                    " but actually had " + (TestFrame.textLength - count) + "pushed off",
                    TestFrame.textLength != count - size);
        }

        /**
         * Slowly increase the padding at the bottom until it eats the last line
         * then verify that the last line was the line eaten.
         */
        [Test(dataProvider=topPaddingSqueezeTestDp)]
        public function bottomPaddingSqueezeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            //FLEX: Why no lines?
            var length:int = SelManager.textFlow.flowComposer.numLines;
            var last:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(length - 1);
            var size:int = last.textLength;
            var count:int = TestFrame.textLength;

            for (var i:int = 0; i < 1000; i++)
            {
                paddingBottom = i;
                TestFrame.textFlow.flowComposer.compose();

                if (TestFrame.textLength == count - size)
                {
                    return;
                }
            }
            assertTrue("Expected " + size + "characters to be pushed off (the last line)" +
                    " but actually had " + (TestFrame.textLength - count) + "pushed off",
                    TestFrame.textLength != count - size);
        }

        /**
         * Increase the left padding until you force the flow to create a new line.
         */
        [Test(dataProvider=leftPaddingSqueezeTestDp)]
        public function leftPaddingSqueezeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var length:int = SelManager.textFlow.flowComposer.numLines;

            for (var i:int = 0; i < 1000; i++)
            {
                paddingLeft = i;
                TestFrame.textFlow.flowComposer.compose();

                if (SelManager.textFlow.flowComposer.numLines > length)
                {
                    return;
                }
            }
            assertTrue("Increasing the left padding to 1000 did not add lines",
                    SelManager.textFlow.flowComposer.numLines <= length);
        }

        /**
         * Increase the right padding until you force the flow to create a new line.
         */
        [Test(dataProvider=leftPaddingSqueezeTestDp)]
        public function rightPaddingSqueezeTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var length:int = SelManager.textFlow.flowComposer.numLines;

            for (var i:int = 0; i < 1000; i++)
            {
                paddingRight = i;
                TestFrame.textFlow.flowComposer.compose();

                if (SelManager.textFlow.flowComposer.numLines > length)
                {
                    return;
                }
            }
            assertTrue("Increasing the right padding to 1000 did not add lines",
                    SelManager.textFlow.flowComposer.numLines <= length);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function writingModeBreakTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            // clear all padding on the textFlow for this test
            SelManager.textFlow.paddingTop = 0;
            SelManager.textFlow.paddingLeft = 0;
            SelManager.textFlow.paddingRight = 0;
            SelManager.textFlow.paddingBottom = 0;

            initSize = size;
            size = new Point(200, 200);

            var initCounts:Array = new Array(SelManager.textFlow.flowComposer.numLines);

            var initMode:String = blockProgression;
            var nextMode:String = null;

            if (initMode == BlockProgression.TB)
            {
                nextMode = BlockProgression.RL;
            } else
            {
                nextMode = BlockProgression.TB;
            }


            var i:int = 0;
            var numLines:int = SelManager.textFlow.flowComposer.numLines;
            for (; i < numLines; i++)
            {
                var line:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(i);
                if (line.isDamaged())
                    break;
                initCounts[i] = line.textLength;
            }
            initCounts.length = i;

            blockProgression = nextMode;
            SelManager.flushPendingOperations();

            var endCounts:Array = new Array(SelManager.textFlow.flowComposer.numLines);

            i = 0;
            numLines = SelManager.textFlow.flowComposer.numLines;
            for (; i < numLines; i++)
            {
                line = SelManager.textFlow.flowComposer.getLineAt(i);
                if (line.isDamaged())
                    break;
                endCounts[i] = line.textLength;
            }
            endCounts.length = i;

            var initCount:int = initCounts.length;
            assertTrue("number of lines are not the same after changing writing direction in a square frame",
                    initCount == endCounts.length);
            for (i = 0; i < initCount; i++)
            {
                assertTrue("line length of line " + i + " changed after changing writing direction in a square frame",
                        initCounts[i] == endCounts[i]);
            }
        }

        /**
         * This test exists solely for snapshotting.
         */
        [Test(dataProvider=checkVerticalAlignTopTestDp)]
        public function checkVerticalAlignTopTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var division:int =
                    TestFrame.textFlow.computedFormat.blockProgression ==
                            BlockProgression.RL ?
                            TestFrame.compositionWidth / 3 :
                            TestFrame.compositionHeight / 3;

            SelManager.selectAll();
            SelManager.deleteNextCharacter();
            SelManager.flushPendingOperations();

            SelManager.insertText("ABC");
            SelManager.selectRange(2, 2);
            SelManager.splitParagraph();
            SelManager.selectRange(1, 1);
            SelManager.splitParagraph();
            SelManager.flushPendingOperations();

            verticalAlign = VerticalAlign.TOP;
            SelManager.flushPendingOperations();

            if (TestFrame.textFlow.computedFormat.blockProgression ==
                    BlockProgression.RL
                    )
            {
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).x > -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(1).x < 0
                );
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).x > -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(3).x < 0
                );
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).x > -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(5).x < 0
                );
            } else
            {
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).y < division
                );
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).y < division
                );
                assertTrue(
                        "Vertical Alignment = TOP did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).y < division
                );
            }
        }

        /**
         * This test exists solely for snapshotting.
         */
        [Test(dataProvider=checkVerticalAlignBottomTestDp)]
        public function checkVerticalAlignBottomTest(dpData:Object):void
        {
            currentDpData = dpData;
            setUpTest();

            var division:int =
                    TestFrame.textFlow.computedFormat.blockProgression ==
                            BlockProgression.RL ?
                            TestFrame.compositionWidth / 3 :
                            TestFrame.compositionHeight / 3;

            SelManager.selectAll();
            SelManager.deleteNextCharacter();
            SelManager.flushPendingOperations();

            SelManager.insertText("ABC");
            SelManager.selectRange(2, 2);
            SelManager.splitParagraph();
            SelManager.selectRange(1, 1);
            SelManager.splitParagraph();
            SelManager.flushPendingOperations();

            verticalAlign = VerticalAlign.BOTTOM;
            SelManager.flushPendingOperations();

            if (TestFrame.textFlow.computedFormat.blockProgression ==
                    BlockProgression.RL
                    )
            {
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).x < -2 * division
                );
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).x < -2 * division
                );
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).x < -2 * division
                );
            } else
            {
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).y > 2 * division
                );
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).y > 2 * division
                );
                assertTrue(
                        "Vertical Alignment = BOTTOM did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).y > 2 * division
                );
            }
        }

        /**
         * This test exists solely for snapshotting.
         */
        [Test(dataProvider=checkVerticalAlignMiddleTestDp)]
        public function checkVerticalAlignMiddleTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var division:int =
                    TestFrame.textFlow.computedFormat.blockProgression ==
                            BlockProgression.RL ?
                            TestFrame.compositionWidth / 3 :
                            TestFrame.compositionHeight / 3;


            SelManager.selectAll();
            SelManager.deleteNextCharacter();
            SelManager.flushPendingOperations();

            SelManager.insertText("ABC");
            SelManager.selectRange(2, 2);
            SelManager.splitParagraph();
            SelManager.selectRange(1, 1);
            SelManager.splitParagraph();
            SelManager.flushPendingOperations();

            verticalAlign = VerticalAlign.MIDDLE;
            SelManager.flushPendingOperations();

            if (TestFrame.textFlow.computedFormat.blockProgression ==
                    BlockProgression.RL
                    )
            {
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).x < -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(1).x > -2 * division
                );
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).x < -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(3).x > -2 * division
                );
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).x < -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(5).x > -2 * division
                );
            } else
            {
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).y > division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(1).y < 2 * division
                );
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).y > division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(3).y < 2 * division
                );
                assertTrue(
                        "Vertical Alignment = MIDDLE did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).y > division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(5).y < 2 * division
                );
            }
        }

        /**
         * This test exists solely for snapshotting.
         */
        [Test(dataProvider=checkVerticalAlignTopTestDp)]
        public function checkVerticalAlignJustifyTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var division:int =
                    TestFrame.textFlow.computedFormat.blockProgression ==
                            BlockProgression.RL ?
                            TestFrame.compositionWidth / 3 :
                            TestFrame.compositionHeight / 3;

            SelManager.selectAll();
            SelManager.deleteNextCharacter();
            SelManager.flushPendingOperations();

            SelManager.insertText("ABC");
            SelManager.selectRange(2, 2);
            SelManager.splitParagraph();
            SelManager.selectRange(1, 1);
            SelManager.splitParagraph();
            SelManager.flushPendingOperations();

            verticalAlign = VerticalAlign.JUSTIFY;
            SelManager.flushPendingOperations();

            if (TestFrame.textFlow.computedFormat.blockProgression ==
                    BlockProgression.RL
                    )
            {
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).x > -1 * division
                );
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).x < -1 * division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(3).x > -2 * division
                );
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).x < -2 * division
                );
            } else
            {
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the first line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(1).y < division
                );
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the second line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(3).y > division &&
                                SelManager.textFlow.flowComposer.findLineAtPosition(3).y < 2 * division
                );
                assertTrue(
                        "Vertical Alignment = JUSTIFY did not correctly place the third line.",
                        SelManager.textFlow.flowComposer.findLineAtPosition(5).y > 2 * division
                );
            }
        }

        // non-empty flow, check if attribute changed after insertion point at position 0
        [Test(dataProvider=leftPaddingSqueezeTestDp)]
        public function insertPos0CheckColumnWidthTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var bp:String = TestFrame.textFlow.computedFormat.blockProgression;
            var width:Number = bp == BlockProgression.TB ? testFrameWidth : testFrameHeight;
            var cWidth:Number = width / 10;

            columnGap = 0;
            columnCount = 10;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initWidth:Number = bp == BlockProgression.TB ? initColumn.width : initColumn.height;

            SelManager.selectRange(0, 0);
            SelManager.insertText("BBB");
            SelManager.updateAllControllers();

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endWidth:Number = bp == BlockProgression.TB ? endColumn.width : endColumn.height;

            assertTrue("Container attribute got changed, expected column width " + initWidth + " but got " + cWidth,
                    initWidth == endWidth);
        }

        //check if container attribute change after insertion in an empty flow
        [Test(dataProvider=leftPaddingSqueezeTestDp)]
        public function checkColumnCountEmptyFlowInsertTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var width:Number = testFrameWidth;
            var cWidth:Number = width / 10;

            columnGap = 0;
            columnWidth = cWidth;

            var initCount:Number = TestFrame.columnState.columnCount;

            //insert text in a empty flow
            SelManager.selectAll();
            SelManager.deleteText();
            SelManager.insertText("AAAAAAAAAAAAAA");
            SelManager.updateAllControllers();

            var endCount:Number = TestFrame.columnState.columnCount;

            assertTrue("container attribute has been changed, expected colume count is" + initCount + " but got " + endCount,
                    initCount == endCount);
        }

        // non-empty flow, check if attribute changed after insertion point at end position
        [Test(dataProvider=leftPaddingSqueezeTestDp)]
        public function insertAtEndOfFlowCheckColumnGapTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var bp:String = TestFrame.textFlow.computedFormat.blockProgression;
            var width:Number = testFrameWidth;

            columnCount = 2;
            columnWidth = width / 3;

            var initColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var initGap:Number = bp == BlockProgression.TB ? (width - initColumn.width * 2) : (width - initColumn.height * 2);

            var len:int = SelManager.textFlow.textLength;
            SelManager.selectRange(len, len);
            SelManager.insertText("BBB");
            SelManager.updateAllControllers();

            var endColumn:Rectangle = TestFrame.columnState.getColumnAt(0);
            var endGap:Number = bp == BlockProgression.TB ? (width - endColumn.width * 2) : (width - endColumn.height * 2);

            assertTrue("Container attribute got changed, expected column gap " + initGap + " but got " + endGap,
                    initGap == endGap);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnBreakTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var TestCanvas:Canvas = myEmptyChilds();

            var FORMAT1_BB:int = 1;
            var FORMAT1_BA:int = 2;
            var FORMAT2_BB:int = 4;
            var FORMAT2_BA:int = 8;
            var FORMAT3_BB:int = 16;
            var FORMAT3_BA:int = 32;

            var tlFmt1:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt2:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt3:TextLayoutFormat = new TextLayoutFormat();

            var columnWidth:int = 600;
            for (var i:int = 0; i < 64; i++)
            {
                tlFmt1.columnBreakBefore = (FORMAT1_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt1.columnBreakAfter = (FORMAT1_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt2.columnBreakBefore = (FORMAT2_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt2.columnBreakAfter = (FORMAT2_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt3.columnBreakBefore = (FORMAT3_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt3.columnBreakAfter = (FORMAT3_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                var cb:ColumnBreak = new ColumnBreak(columnWidth, tlFmt1, tlFmt2, tlFmt3);
                TestCanvas.rawChildren.addChild(cb);

                // Verify test results
                var textFlow:TextFlow = cb.textFlow;
                var columnWidthModify:int = columnWidth / 3;
                var numLines:int = textFlow.flowComposer.numLines;
                for (var j:int = 0; j < numLines; j++)
                {
                    var textFlowLine:TextFlowLine = textFlow.flowComposer.getLineAt(j);
                    var textLine:TextLine = textFlowLine.getTextLine();
                    var text:String = textLine.textBlock.content.text;
                    var textLineBounds:Rectangle = textFlowLine.getTextLine().getBounds(cb);

                    // Assert for STR1's position
                    if (j == 0)
                        assertTrue(isBetween(textLineBounds.x, 0, columnWidthModify));

                    // Assert for STR2's position
                    var isStr2InColumn1:Boolean = true;
                    if (tlFmt1.columnBreakAfter == BreakStyle.ALWAYS || tlFmt2.columnBreakBefore == BreakStyle.ALWAYS)
                        isStr2InColumn1 = false;

                    if (text.search("STR2") >= 0)
                    {
                        if (isStr2InColumn1)
                            assertTrue(isBetween(textLineBounds.x, 0, columnWidthModify));
                        else
                            assertTrue(isBetween(textLineBounds.x, columnWidthModify, columnWidthModify * 2));
                    }

                    // Assert for STR3's position
                    if (text.search("STR3") >= 0)
                    {
                        if (isStr2InColumn1)
                        {
                            if (tlFmt2.columnBreakAfter == BreakStyle.ALWAYS || tlFmt3.columnBreakBefore == BreakStyle.ALWAYS)
                                assertTrue(isBetween(textLineBounds.x, columnWidthModify, columnWidthModify * 2));
                            else
                                assertTrue(isBetween(textLineBounds.x, 0, columnWidthModify));
                        }
                        else
                        {
                            if (tlFmt2.columnBreakAfter == BreakStyle.ALWAYS || tlFmt3.columnBreakBefore == BreakStyle.ALWAYS)
                                assertTrue(isBetween(textLineBounds.x, columnWidthModify * 2, columnWidthModify * 3));
                            else
                                assertTrue(isBetween(textLineBounds.x, columnWidthModify, columnWidthModify * 2));
                        }
                    }

                }
            }
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function containerBreakTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var TestCanvas:Canvas = myEmptyChilds();

            var FORMAT1_BB:int = 1;
            var FORMAT1_BA:int = 2;
            var FORMAT2_BB:int = 4;
            var FORMAT2_BA:int = 8;
            var FORMAT3_BB:int = 16;
            var FORMAT3_BA:int = 32;

            var tlFmt1:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt2:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt3:TextLayoutFormat = new TextLayoutFormat();

            var containerWidth:int = 200;
            for (var i:int = 0; i < 64; i++)
            {
                tlFmt1.containerBreakBefore = (FORMAT1_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt1.containerBreakAfter = (FORMAT1_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt2.containerBreakBefore = (FORMAT2_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt2.containerBreakAfter = (FORMAT2_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt3.containerBreakBefore = (FORMAT3_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt3.containerBreakAfter = (FORMAT3_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                var cb:ContainerBreak = new ContainerBreak(containerWidth, tlFmt1, tlFmt2, tlFmt3);
                TestCanvas.rawChildren.addChild(cb);

                // Verify test results
                var textFlow:TextFlow = cb.textFlow;
                var numLines:int = textFlow.flowComposer.numLines;
                for (var j:int = 0; j < numLines; j++)
                {
                    var textFlowLine:TextFlowLine = textFlow.flowComposer.getLineAt(j);
                    var textLine:TextLine = textFlowLine.getTextLine();
                    var text:String = textLine.textBlock.content.text;
                    var textLineBounds:Rectangle = textFlowLine.getTextLine().getBounds(cb);

                    // Assert for STR1's position
                    if (j == 0)
                        assertTrue(isBetween(textLineBounds.x, 0, containerWidth));

                    // Assert for STR2's position
                    var isStr2InColumn1:Boolean = true;
                    if (tlFmt1.containerBreakAfter == BreakStyle.ALWAYS || tlFmt2.containerBreakBefore == BreakStyle.ALWAYS)
                        isStr2InColumn1 = false;

                    if (text.search("STR2") >= 0)
                    {
                        if (isStr2InColumn1)
                            assertTrue(isBetween(textLineBounds.x, 0, containerWidth));
                        else
                            assertTrue(isBetween(textLineBounds.x, containerWidth, containerWidth * 2));
                    }

                    // Assert for STR3's position
                    if (text.search("STR3") >= 0)
                    {
                        if (isStr2InColumn1)
                        {
                            if (tlFmt2.containerBreakAfter == BreakStyle.ALWAYS || tlFmt3.containerBreakBefore == BreakStyle.ALWAYS)
                                assertTrue(isBetween(textLineBounds.x, containerWidth, containerWidth * 2));
                            else
                                assertTrue(isBetween(textLineBounds.x, 0, containerWidth));
                        }
                        else
                        {
                            if (tlFmt2.containerBreakAfter == BreakStyle.ALWAYS || tlFmt3.containerBreakBefore == BreakStyle.ALWAYS)
                                assertTrue(isBetween(textLineBounds.x, containerWidth * 2, containerWidth * 3));
                            else
                                assertTrue(isBetween(textLineBounds.x, containerWidth, containerWidth * 2));
                        }
                    }

                }
            }
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnContainerBreakTest0(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            columnContainerBreakTestX(0);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnContainerBreakTest1000(dpData:Object):void
        {
            currentDpData = dpData;
            setUpTest();

            columnContainerBreakTestX(1000);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnContainerBreakTest2000(dpData:Object):void
        {
            currentDpData = dpData;
            setUpTest();

            columnContainerBreakTestX(2000);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnContainerBreakTest3000(dpData:Object):void
        {
            currentDpData = dpData;
            setUpTest();

            columnContainerBreakTestX(3000);
        }

        [Test(dataProvider=checkColumnWidthOnGapChangeTestDp)]
        public function columnContainerBreakTest4000(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            columnContainerBreakTestX(4000);
        }

        public function columnContainerBreakTestX(startIdx:int):void
        {
            var TestCanvas:Canvas = myEmptyChilds();

            var tlFmt1:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt2:TextLayoutFormat = new TextLayoutFormat();
            var tlFmt3:TextLayoutFormat = new TextLayoutFormat();

            var FORMAT1_COL_BB:int = 1;
            var FORMAT1_COL_BA:int = 2;
            var FORMAT1_CON_BB:int = 4;
            var FORMAT1_CON_BA:int = 8;
            var FORMAT2_COL_BB:int = 16;
            var FORMAT2_COL_BA:int = 32;
            var FORMAT2_CON_BB:int = 64;
            var FORMAT2_CON_BA:int = 128;
            var FORMAT3_COL_BB:int = 256;
            var FORMAT3_COL_BA:int = 512;
            var FORMAT3_CON_BB:int = 1024;
            var FORMAT3_CON_BA:int = 2048;

            var containerWidth:int = 300;
            for (var i:int = startIdx; i < startIdx + 1000; i++)
            {
                if (i >= 4096)
                    break;
                TestCanvas = myEmptyChilds();
                tlFmt1.columnBreakBefore = (FORMAT1_COL_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt1.columnBreakAfter = (FORMAT1_COL_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt1.containerBreakBefore = (FORMAT1_CON_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt1.containerBreakAfter = (FORMAT1_CON_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt2.columnBreakBefore = (FORMAT2_COL_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt2.columnBreakAfter = (FORMAT2_COL_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt2.containerBreakBefore = (FORMAT2_CON_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt2.containerBreakAfter = (FORMAT2_CON_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                tlFmt3.columnBreakBefore = (FORMAT3_COL_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt3.columnBreakAfter = (FORMAT3_COL_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt3.containerBreakBefore = (FORMAT3_CON_BB & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;
                tlFmt3.containerBreakAfter = (FORMAT3_CON_BA & i) ? BreakStyle.ALWAYS : BreakStyle.AUTO;

                var cb:ColumnContainerBreak = new ColumnContainerBreak(containerWidth, tlFmt1, tlFmt2, tlFmt3);
                TestCanvas.rawChildren.addChild(cb);

                // Verify test results
                var textFlow:TextFlow = cb.textFlow;
                var bStr2Checked:Boolean = false;
                var bStr3Checked:Boolean = false;
                var numLines:int = textFlow.flowComposer.numLines;
                for (var j:int = 0; j < numLines; j++)
                {
                    var textFlowLine:TextFlowLine = textFlow.flowComposer.getLineAt(j);
                    var textLine:TextLine = textFlowLine.getTextLine();
                    var text:String = textLine.textBlock.content.text;
                    var textLineBounds:Rectangle = textFlowLine.getTextLine().getBounds(cb);

                    // Assert for STR1's position
                    if (j == 0)
                        assertTrue(isBetween(textLineBounds.x, 0, containerWidth));

                    // Assert for STR2's position,
                    // str2Pos = 1 means str2 in container1, column1
                    // str2Pos = 2 means str2 in container1, column2
                    // str2Pos = 3 means str2 in container2, column1
                    var str2Pos:int = 1;
                    if (tlFmt1.containerBreakAfter == BreakStyle.ALWAYS || tlFmt2.containerBreakBefore == BreakStyle.ALWAYS)
                        str2Pos = 3;
                    else if (tlFmt1.columnBreakAfter == BreakStyle.ALWAYS || tlFmt2.columnBreakBefore == BreakStyle.ALWAYS)
                        str2Pos = 2;

                    var columnWidth:int = containerWidth / 3;
                    if (!bStr2Checked && text.search("STR2") >= 0)
                    {
                        bStr2Checked = true;
                        switch (str2Pos)
                        {
                            case 1:
                                assertTrue(isBetween(textLineBounds.x, 0, columnWidth));
                                break;
                            case 2:
                                assertTrue(isBetween(textLineBounds.x, columnWidth, columnWidth * 2));
                                break;
                            case 3:
                                assertTrue(isBetween(textLineBounds.x, containerWidth, containerWidth + columnWidth));
                                break;
                            default:
                                break;
                        }
                    }

                    // Assert for STR3's position
                    if (!bStr3Checked && text.search("STR3") >= 0)
                    {
                        bStr3Checked = true;
                        var isStr3ColumnBreak:Boolean = false;
                        var isStr3ContainerBreak:Boolean = false;
                        if (tlFmt2.columnBreakAfter == BreakStyle.ALWAYS || tlFmt3.columnBreakBefore == BreakStyle.ALWAYS)
                            isStr3ColumnBreak = true;

                        if (tlFmt2.containerBreakAfter == BreakStyle.ALWAYS || tlFmt3.containerBreakBefore == BreakStyle.ALWAYS)
                            isStr3ContainerBreak = true;

                        // str3Pos = 1 means str3 in container1, column1
                        // str3Pos = 2 means str3 in container1, column2
                        // str3Pos = 3 means str3 in container1, column3
                        // str3Pos = 4 means str3 in container2, column1
                        // str3Pos = 5 means str3 in container2, column2
                        // str3Pos = 6 means str3 in container3, column1
                        var str3Pos:int = 0;
                        switch (str2Pos)
                        {
                            case 1:
                                if (!isStr3ContainerBreak && !isStr3ColumnBreak)
                                    str3Pos = 1;
                                if (!isStr3ContainerBreak && isStr3ColumnBreak)
                                    str3Pos = 2;
                                if (isStr3ContainerBreak)
                                    str3Pos = 4;
                                break;
                            case 2:
                                if (!isStr3ContainerBreak && !isStr3ColumnBreak)
                                    str3Pos = 2;
                                if (!isStr3ContainerBreak && isStr3ColumnBreak)
                                    str3Pos = 3;
                                if (isStr3ContainerBreak)
                                    str3Pos = 4;
                                break;
                            case 3:
                                if (!isStr3ContainerBreak && !isStr3ColumnBreak)
                                    str3Pos = 4;
                                if (!isStr3ContainerBreak && isStr3ColumnBreak)
                                    str3Pos = 5;
                                if (isStr3ContainerBreak)
                                    str3Pos = 6;
                                break;
                            default :
                                break;
                        }

                        switch (str3Pos)
                        {
                            case 1:
                                assertTrue(isBetween(textLineBounds.x, 0, columnWidth));
                                break;
                            case 2:
                                assertTrue(isBetween(textLineBounds.x, columnWidth, columnWidth * 2));
                                break;
                            case 3:
                                assertTrue(isBetween(textLineBounds.x, columnWidth * 2, columnWidth * 3));
                                break;
                            case 4:
                                assertTrue(isBetween(textLineBounds.x, containerWidth, containerWidth + columnWidth));
                                break;
                            case 5:
                                assertTrue(isBetween(textLineBounds.x, containerWidth + columnWidth, containerWidth + columnWidth * 2));
                                break;
                            case 6:
                                assertTrue(isBetween(textLineBounds.x, containerWidth * 2, containerWidth * 2 + columnWidth));
                                break;
                            default :
                                break;
                        }

                    }
                }
            }
        }

        public function myEmptyChilds():Canvas
        {
            var TestCanvas:Canvas = null;
            TestDisplayObject = testApp.getDisplayObject();
            if (TestDisplayObject)
            {
                TestCanvas = Canvas(TestDisplayObject);
                TestCanvas.removeAllChildren();
                var iCnt:int = TestCanvas.numChildren;
                for (var a:int = 0; a < iCnt; a++)
                {
                    TestCanvas.rawChildren.removeChildAt(0);
                }
            }

            return TestCanvas;
        }

        // mjzhang : Watson Bug#2841799 When lineBreak="toFit" the contentBounds width does
        // not include the trailing whitespace
        [Test(dataProvider=contentBoundsWithWhitespacesDp)]
        public function ContentBoundsWithWhitespaces(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            // This is the switch for calculate whitespace or not regardless lineBreak="toFix".
            GlobalSettings.alwaysCalculateWhitespaceBounds = true;

            SelManager.selectAll();
            SelManager.deleteText();
            SelManager.insertText("AAAAAAAAAAAAAA");
            SelManager.updateAllControllers();

            var textFlowLine:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(0);
            var textLength:Number = textFlowLine.lineExtent;
            var contentBounds:Number = SelManager.textFlow.flowComposer.getControllerAt(0).getContentBounds().width;

            SelManager.selectAll();
            SelManager.deleteText();
            SelManager.insertText("AAAAAAAAAAAAAA  ");
            SelManager.updateAllControllers();

            var textFlowLine1:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(0);
            var textWithSpace:Number = textFlowLine1.lineExtent;
            var contentBoundsWithSpace:Number = SelManager.textFlow.flowComposer.getControllerAt(0).getContentBounds().width;
            // mjzhang : if the blockProgression is RL, we needs to check the height, not the width.
            if (SelManager.textFlow.blockProgression == BlockProgression.RL)
            {
                textWithSpace = textFlowLine1.lineExtent;
                contentBoundsWithSpace = SelManager.textFlow.flowComposer.getControllerAt(0).getContentBounds().height;
            }

            GlobalSettings.alwaysCalculateWhitespaceBounds = false;

            assertTrue("With spaces text length should larger than no spaces text length.",
                    textWithSpace > textLength);
            assertTrue("With spaces text length should larger than no spaces text length.",
                    contentBoundsWithSpace > contentBounds);
        }

        // mjzhang : Bug#2835316 The TextLine is INVALID and cannot be used to access the current state of the TextBlock
        [Test(dataProvider=contentBoundsWithWhitespacesDp)]
        public function TextSelectAllTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var textFlow:TextFlow = SelManager.textFlow;
            var markup:String = '<TextFlow whiteSpaceCollapse="preserve" version="3.0.0" xmlns="http://ns.adobe.com/textLayout/2008"><p><span>hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh</span></p></TextFlow>';
            var textFlowNew:TextFlow = TextConverter.importToFlow(markup, TextConverter.TEXT_LAYOUT_FORMAT);

            var textLayoutFormat:TextLayoutFormat = new TextLayoutFormat();
            textLayoutFormat.fontSize = 12;
            textLayoutFormat.textIndent = 0;
            textLayoutFormat.paragraphSpaceAfter = 5;
            textLayoutFormat.fontFamily = "Arial";

            var paraElement:ParagraphElement = textFlowNew.getChildAt(0) as ParagraphElement;
            var paraElementCopy:ParagraphElement = paraElement.deepCopy(0, paraElement.textLength) as ParagraphElement;
            paraElementCopy.format = textLayoutFormat;
            textFlow.replaceChildren(0, textFlow.numChildren, paraElementCopy);
            textFlow.whiteSpaceCollapse = "preserve";
            textFlow.flowComposer.updateAllControllers();

            var cc:ContainerController = SelManager.textFlow.flowComposer.getControllerAt(0);
            cc.setCompositionSize(229, 81);
            cc.verticalScrollPolicy = ScrollPolicy.ON;
            cc.horizontalScrollPolicy = ScrollPolicy.ON;
            SelManager.selectRange(40, 40);

            var mouseEvent:MouseEvent = new MouseEvent(MouseEvent.DOUBLE_CLICK, true, false, 80, 80);
            TestFrame.container["dispatchEvent"](mouseEvent);
            SelManager.flushPendingOperations();
        }

        // mjzhang : Bug#2898924 TLF reports incorrect content height after composition when floats are used with padding
        [Test(dataProvider=hBeamCursorTestDp)]
        public function ContentBoundsWithPaddingTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            // Get image content height which has padding top set
            var textFlow:TextFlow = SelManager.textFlow;
            var markup:String = '<TextFlow fontFamily="Arial" fontSize="16" paddingBottom="2" paddingLeft="2" paddingRight="2" paddingTop="2" whiteSpaceCollapse="preserve" version="2.0.0" xmlns="http://ns.adobe.com/textLayout/2008"><p><img paddingTop="-100" paddingLeft="50" height="auto" width="auto" source="http://flex.apache.org/images/logo_01_fullcolor-sm.png" float="left"/><span fontFamily="Georgia" fontSize="24">La Cité Libreria Cafè</span></p></TextFlow>';
            var textFlowNew:TextFlow = TextConverter.importToFlow(markup, TextConverter.TEXT_LAYOUT_FORMAT);

            textFlow.addEventListener(StatusChangeEvent.INLINE_GRAPHIC_STATUS_CHANGE, statusChangeHandler);

            var paraElement:ParagraphElement = textFlowNew.getChildAt(0) as ParagraphElement;
            var paraElementCopy:ParagraphElement = paraElement.deepCopy(0, paraElement.textLength) as ParagraphElement;
            textFlow.replaceChildren(0, textFlow.numChildren, paraElementCopy);
            textFlow.flowComposer.updateAllControllers();
            SelManager.updateAllControllers();
        }

        // mjzhang : Track the completion of loading inlines
        private function statusChangeHandler(obj:Event):void
        {
            var event:StatusChangeEvent = StatusChangeEvent(obj);
            var textFlow:TextFlow = event.element.getTextFlow();
            switch (event.status)
            {
                case InlineGraphicElementStatus.LOADING:
                    break;
                case InlineGraphicElementStatus.SIZE_PENDING:
                    textFlow.removeEventListener(StatusChangeEvent.INLINE_GRAPHIC_STATUS_CHANGE, statusChangeHandler);
                    var contentHeight:int = textFlow.flowComposer.getControllerAt(0).getContentBounds().height;
                    var contentWidth:int = textFlow.flowComposer.getControllerAt(0).getContentBounds().width;
                    assertTrue("Content height should calculate padding info of inlinegraphic, should be 44", contentHeight == 44);
                    assertTrue("Content width should calculate padding info of inlinegraphic, should be 670", contentWidth == 669);
                    break;
                case InlineGraphicElementStatus.READY:
                    break;
                default:
                    break;
            }
        }

        // mjzhang : Bug#2758977 <s:p color="red"/> throws out of range error - can you do color lookup like Flex SDK?
        // Tests all the color options, also test Upper case and bad case(XXX)
        [Test(dataProvider=contentBoundsWithWhitespacesDp)]
        public function colorPropetyTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var textFlow:TextFlow = SelManager.textFlow;
            var markup:String = '<TextFlow xmlns="http://ns.adobe.com/textLayout/2008">'
                    + '<p color="black"><span>black</span></p>'
                    + '<p color="blue"><span>blue</span></p>'
                    + '<p color="green"><span>green</span></p>'
                    + '<p color="gray"><span>gray</span></p>'
                    + '<p color="silver"><span>silver</span></p>'
                    + '<p color="lime"><span>lime</span></p>'
                    + '<p color="olive"><span>olive</span></p>'
                    + '<p color="white"><span>white</span></p>'
                    + '<p color="yellow"><span>yellow</span></p>'
                    + '<p color="maroon"><span>maroon</span></p>'
                    + '<p color="navy"><span>navy</span></p>'
                    + '<p color="red"><span>Red</span></p>'
                    + '<p color="purple"><span>purple</span></p>'
                    + '<p color="teal"><span>teal</span></p>'
                    + '<p color="fuchsia"><span>fuchsia</span></p>'
                    + '<p color="aqua"><span>aqua</span></p>'
                    + '<p color="magenta"><span>magenta</span></p>'
                    + '<p color="cyan"><span>cyan</span></p>'
                    + '<p color="CYAN"><span>CYAN</span></p>'
                    + '<p color="XXX"><span>XXX</span></p>'
                    + '</TextFlow>';
            var textFlowNew:TextFlow = TextConverter.importToFlow(markup, TextConverter.TEXT_LAYOUT_FORMAT);

            SelManager.selectAll();
            SelManager.deleteText();
            for (var i:int = 0; i < 20; i++)
            {
                var paraElement:ParagraphElement = textFlowNew.getChildAt(i) as ParagraphElement;
                var paraElementCopy:ParagraphElement = paraElement.deepCopy(0, paraElement.textLength) as ParagraphElement;
                textFlow.replaceChildren(i, i, paraElementCopy);
            }
            SelManager.updateAllControllers();

            var paraBlack:ParagraphElement = textFlow.getChildAt(0) as ParagraphElement;
            var paraBlue:ParagraphElement = textFlow.getChildAt(1) as ParagraphElement;
            var paraGreen:ParagraphElement = textFlow.getChildAt(2) as ParagraphElement;
            var paraGray:ParagraphElement = textFlow.getChildAt(3) as ParagraphElement;
            var paraSilver:ParagraphElement = textFlow.getChildAt(4) as ParagraphElement;
            var paraLime:ParagraphElement = textFlow.getChildAt(5) as ParagraphElement;
            var paraOlive:ParagraphElement = textFlow.getChildAt(6) as ParagraphElement;
            var paraWhite:ParagraphElement = textFlow.getChildAt(7) as ParagraphElement;
            var paraYellow:ParagraphElement = textFlow.getChildAt(8) as ParagraphElement;
            var paraMaroon:ParagraphElement = textFlow.getChildAt(9) as ParagraphElement;
            var paraNavy:ParagraphElement = textFlow.getChildAt(10) as ParagraphElement;
            var paraRed:ParagraphElement = textFlow.getChildAt(11) as ParagraphElement;
            var paraPurple:ParagraphElement = textFlow.getChildAt(12) as ParagraphElement;
            var paraTeal:ParagraphElement = textFlow.getChildAt(13) as ParagraphElement;
            var paraFuchsia:ParagraphElement = textFlow.getChildAt(14) as ParagraphElement;
            var paraAqua:ParagraphElement = textFlow.getChildAt(15) as ParagraphElement;
            var paraMagenta:ParagraphElement = textFlow.getChildAt(16) as ParagraphElement;
            var paraCyan:ParagraphElement = textFlow.getChildAt(17) as ParagraphElement;
            var paraCYAN:ParagraphElement = textFlow.getChildAt(18) as ParagraphElement;
            var paraXXX:ParagraphElement = textFlow.getChildAt(19) as ParagraphElement;
            assertTrue("Paragraph color value should be equal", paraBlack.format.color == ColorName.BLACK);
            assertTrue("Paragraph color value should be equal", paraBlue.format.color == ColorName.BLUE);
            assertTrue("Paragraph color value should be equal", paraGreen.format.color == ColorName.GREEN);
            assertTrue("Paragraph color value should be equal", paraGray.format.color == ColorName.GRAY);
            assertTrue("Paragraph color value should be equal", paraSilver.format.color == ColorName.SILVER);
            assertTrue("Paragraph color value should be equal", paraLime.format.color == ColorName.LIME);
            assertTrue("Paragraph color value should be equal", paraOlive.format.color == ColorName.OLIVE);
            assertTrue("Paragraph color value should be equal", paraWhite.format.color == ColorName.WHITE);
            assertTrue("Paragraph color value should be equal", paraYellow.format.color == ColorName.YELLOW);
            assertTrue("Paragraph color value should be equal", paraMaroon.format.color == ColorName.MAROON);
            assertTrue("Paragraph color value should be equal", paraNavy.format.color == ColorName.NAVY);
            assertTrue("Paragraph color value should be equal", paraRed.format.color == ColorName.RED);
            assertTrue("Paragraph color value should be equal", paraPurple.format.color == ColorName.PURPLE);
            assertTrue("Paragraph color value should be equal", paraTeal.format.color == ColorName.TEAL);
            assertTrue("Paragraph color value should be equal", paraFuchsia.format.color == ColorName.FUCHSIA);
            assertTrue("Paragraph color value should be equal", paraAqua.format.color == ColorName.AQUA);
            assertTrue("Paragraph color value should be equal", paraMagenta.format.color == ColorName.MAGENTA);
            assertTrue("Paragraph color value should be equal", paraCyan.format.color == ColorName.CYAN);
            assertTrue("Paragraph color value should be equal", paraCYAN.format.color == undefined);
            assertTrue("Paragraph color value should be equal", paraXXX.format.color == undefined);
        }

        private function myHBeamCursorFunction(value:String):String
        {
            var cursorPoints:Vector.<Number>;
            var cursorCommands:Vector.<int>;

            // mjzhang : IBEAM cursor have different appearence on Mac and Win, so we draw HBEAM differently
            if (Capabilities.os.search("Mac OS") > -1)
            {
                cursorPoints = new <Number>[0, 0, 0, 1, 3, 4, 3, 4, 0, 7, 0, 8, 3, 4, 16, 4, 19, 0, 19, 1, 17, 4, 17, 4, 19, 7, 19, 8, 10, 3, 10, 6];
                cursorCommands = new <int>[1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2];
            }
            else
            {
                cursorPoints = new <Number>[0, 0, 0, 4, 0, 5, 0, 9, 1, 4, 17, 4, 17, 0, 17, 4, 17, 5, 17, 9];
                cursorCommands = new <int>[1, 2, 1, 2, 1, 2, 1, 2, 1, 2];
            }
            var cursorShape:Shape = new Shape();
            cursorShape.graphics.beginFill(0x000000, 1.0);
            cursorShape.graphics.lineStyle(1);
            cursorShape.graphics.drawPath(cursorCommands, cursorPoints);
            cursorShape.graphics.endFill();
            var cursorBmp:BitmapData = new BitmapData(20, 10, true, 0);
            cursorBmp.draw(cursorShape);

            var cursorData:Vector.<BitmapData> = new Vector.<BitmapData>();
            cursorData.push(cursorBmp);

            var MouseCursorDataClass:Class;
            try
            {
                MouseCursorDataClass = getDefinitionByName("flash.ui.MouseCursorData") as Class;
            }
            catch (e:Error)
            {
            }

            if (MouseCursorDataClass)
            {
                var mouseCursorData:Object = new MouseCursorDataClass();
                mouseCursorData.data = cursorData;
                mouseCursorData.hotSpot = new Point(10, 5);

                var registerCursor:Function = Mouse["registerCursor"];
                if (Mouse["registerCursor"] != undefined)
                {
                    registerCursor("hbeam", mouseCursorData);
                }

            }

            return "hbeam";

        }

        [Test(dataProvider=hBeamCursorTestDp)]
        public function HBeamCursorTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            SelManager.selectAll();
            SelManager.deleteText();

            var markup:String = '<TextFlow whiteSpaceCollapse="preserve" version="2.0.0" xmlns="http://ns.adobe.com/textLayout/2008"><p paddingBottom="25"><span>Move your mouse over this text to see custom cursor</span></p></TextFlow>';

            var config:Configuration = new Configuration();
            config.cursorFunction = myHBeamCursorFunction;
            var textFlow:TextFlow = TextConverter.importToFlow(markup, TextConverter.TEXT_LAYOUT_FORMAT, config);
            textFlow.blockProgression = BlockProgression.RL;
            textFlow.interactionManager = new EditManager();

            var sprite:Sprite = new Sprite();
            textFlow.flowComposer.addController(new ContainerController(sprite, 400, 200));
            textFlow.flowComposer.updateAllControllers();

            var testCanvas:Canvas = myEmptyChilds();
            testCanvas.rawChildren.addChild(sprite);
        }

        // mjzhang : Bug#2907691 When composition starts in middle of the container, paddingBottom for the previous paragraph is ignored
        [Ignore][Test(dataProvider=hBeamCursorTestDp)]
        public function paddingBottomTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var textFlow:TextFlow = SelManager.textFlow;
            var markup:String = '<TextFlow whiteSpaceCollapse="preserve" version="2.0.0" xmlns="http://ns.adobe.com/textLayout/2008"><p paddingBottom="25"><span>para1</span></p><p paddingBottom="25"><span>para2</span></p><p paddingBottom="25"><span>para3</span></p></TextFlow>';
            var textFlowNew:TextFlow = TextConverter.importToFlow(markup, TextConverter.TEXT_LAYOUT_FORMAT);
            textFlow.replaceChildren(0, textFlow.numChildren, textFlowNew.mxmlChildren);
            SelManager.updateAllControllers();

            SelManager.selectRange(100, 100);
            SelManager.insertText("aaa");
            SelManager.textFlow.flowComposer.compose();

            var textFlowLine:TextFlowLine = SelManager.textFlow.flowComposer.getLineAt(2);
            var canvas:Canvas = Canvas(testApp.getDisplayObject());
            var textLineBounds:Rectangle = textFlowLine.getTextLine().getBounds(canvas);
            assertTrue("Paragraph3's top value should be 87.55, but was " + textLineBounds.top, Math.abs(textLineBounds.top - 87.55) < 0.001);
        }

        //Fix bug 2869747  using TextFlow.flowComposer and ContainerController, displayed text is incorrectly masked
        [Test(dataProvider=checkVerticalAlignMiddleTestDp)]
        public function scrollRectTest(dpData:TestCaseVo):void
        {
            currentDpData = dpData;
            setUpTest();

            var textFlow:TextFlow = SelManager.textFlow;
            var container:Sprite = textFlow.flowComposer.getControllerAt(0).container as Sprite;
            textFlow.flowComposer.addController(new ContainerController(container, 200, 100));
            textFlow.flowComposer.updateAllControllers();
            textFlow.flowComposer.removeAllControllers();
            textFlow.flowComposer.addController(new ContainerController(container, 500, 500));
            textFlow.flowComposer.updateAllControllers();
        }


        private function isBetween(item:int, x1:int, x2:int):Boolean
        {
            return item >= x1 && item <= x2;
        }
    }
}