| /* |
| * 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 the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.openide.windows; |
| |
| import java.io.Reader; |
| import static org.junit.Assert.*; |
| import org.junit.Test; |
| import org.openide.util.Lookup; |
| import org.openide.util.lookup.Lookups; |
| |
| /** |
| * |
| * @author jhavlin |
| */ |
| public class IOFoldingTest { |
| |
| @Test |
| public void testStartFold() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle fold1 = IOFolding.startFold(io, true); |
| assertEquals(1, io.currentLevel); |
| FoldHandle fold2 = fold1.startFold(true); |
| assertEquals(2, io.currentLevel); |
| fold2.finish(); |
| assertEquals(1, io.currentLevel); |
| fold1.finish(); |
| assertEquals(0, io.currentLevel); |
| } |
| |
| @Test(expected = UnsupportedOperationException.class) |
| public void testStartFoldedUnsupported() { |
| FoldHandle f = IOFolding.startFold(new DummyInputOutput(), true); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void testStartFoldIllegal() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle f1 = IOFolding.startFold(io, true); |
| FoldHandle f2 = IOFolding.startFold(io, true); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void testFinishIllegal() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle f1 = IOFolding.startFold(io, true); |
| FoldHandle f2 = f1.startFold(true); |
| f1.finish(); |
| } |
| |
| @Test |
| public void testIsSupported() { |
| assertTrue(IOFolding.isSupported(new InputOutputWithFolding())); |
| } |
| |
| @Test |
| public void testIsSupportedUnsupported() { |
| assertFalse(IOFolding.isSupported(new DummyInputOutput())); |
| } |
| |
| @Test |
| public void testIsFinished() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle fold1 = IOFolding.startFold(io, true); |
| assertFalse(fold1.isFinished()); |
| FoldHandle fold2 = fold1.startFold(true); |
| assertFalse(fold2.isFinished()); |
| fold2.finish(); |
| assertTrue(fold2.isFinished()); |
| fold1.finish(); |
| assertTrue(fold1.isFinished()); |
| } |
| |
| @Test |
| public void testSilentFinish() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle fold1 = IOFolding.startFold(io, true); |
| FoldHandle fold2 = fold1.startFold(true); |
| fold1.silentFinish(); |
| assertTrue(fold2.isFinished()); |
| fold1.silentFinish(); // no exception when calling again |
| fold1.silentFinish(); // still no exception |
| } |
| |
| @Test |
| public void testSilentFoldStart() { |
| InputOutputWithFolding io = new InputOutputWithFolding(); |
| FoldHandle fold1 = IOFolding.startFold(io, true); |
| FoldHandle fold2 = fold1.startFold(true); |
| FoldHandle fold3 = fold1.silentStartFold(true); |
| assertTrue(fold2.isFinished()); |
| assertNotNull(fold3); |
| fold1.silentFinish(); |
| assertTrue(fold1.isFinished()); |
| FoldHandle fold4 = fold1.silentStartFold(true); |
| assertNull(fold4); |
| } |
| |
| /** |
| * Dummy InputOutput that supports folding. |
| */ |
| private static class InputOutputWithFolding extends DummyInputOutput |
| implements Lookup.Provider { |
| |
| private final Lookup lookup = Lookups.fixed(new DummyIOFolding()); |
| |
| private DummyIOFolding.DummyFoldHandleDef currentFold = null; |
| private int currentLevel = 0; |
| |
| @Override |
| public Lookup getLookup() { |
| return lookup; |
| } |
| |
| private class DummyIOFolding extends IOFolding { |
| |
| @Override |
| protected FoldHandleDefinition startFold(boolean expanded) { |
| if (currentFold != null) { |
| throw new IllegalStateException("Last fold not finished"); |
| } else { |
| currentFold = new DummyFoldHandleDef(null); |
| currentLevel++; |
| return currentFold; |
| } |
| } |
| |
| private class DummyFoldHandleDef extends FoldHandleDefinition { |
| |
| private DummyFoldHandleDef nested = null; |
| private final DummyFoldHandleDef parent; |
| private boolean finished = false; |
| |
| public DummyFoldHandleDef(DummyFoldHandleDef parent) { |
| this.parent = parent; |
| } |
| |
| @Override |
| public void finish() { |
| if (nested != null) { |
| throw new IllegalStateException("A nested fold exists."); |
| } else if (parent == null) { |
| currentFold = null; |
| } else { |
| parent.nested = null; |
| } |
| currentLevel--; |
| finished = true; |
| } |
| |
| @Override |
| public FoldHandleDefinition startFold(boolean expanded) { |
| if (finished) { |
| throw new IllegalStateException("Already finished."); |
| } else if (nested != null) { |
| throw new IllegalStateException("Last fold not finished."); |
| } else { |
| nested = new DummyFoldHandleDef(this); |
| currentLevel++; |
| return nested; |
| } |
| } |
| |
| @Override |
| public void setExpanded(boolean expanded) { |
| } |
| } |
| } |
| } |
| |
| /** |
| * Dummy implementation of InputOutput. |
| */ |
| private static class DummyInputOutput implements InputOutput { |
| |
| @Override |
| public OutputWriter getOut() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public Reader getIn() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public OutputWriter getErr() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void closeInputOutput() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public boolean isClosed() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void setOutputVisible(boolean value) { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void setErrVisible(boolean value) { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void setInputVisible(boolean value) { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void select() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public boolean isErrSeparated() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void setErrSeparated(boolean value) { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public boolean isFocusTaken() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| public void setFocusTaken(boolean value) { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| @Override |
| @Deprecated |
| public Reader flushReader() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| } |
| } |