| /* |
| * Copyright 2003-2011 the original author or authors. |
| * |
| * Licensed 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.codehaus.groovy.runtime; |
| |
| import groovy.lang.GString; |
| import groovy.lang.GroovyRuntimeException; |
| import groovy.util.GroovyTestCase; |
| import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation; |
| |
| import java.util.*; |
| |
| |
| /** |
| * Test the Invoker class |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class InvokerTest extends GroovyTestCase { |
| |
| public void testAsCollectionWithArray() { |
| Object[] array = {"A", "B", "C"}; |
| assertAsCollection(array, 3); |
| } |
| |
| public void testAsCollectionWithMap() { |
| Map map = new HashMap(); |
| map.put("A", "abc"); |
| map.put("B", "def"); |
| map.put("C", "xyz"); |
| assertAsCollection(map, 3); |
| } |
| |
| public void testAsCollectionWithList() { |
| List list = new ArrayList(); |
| list.add("A"); |
| list.add("B"); |
| list.add("C"); |
| assertAsCollection(list, 3); |
| } |
| |
| public void testInvokerException() throws Throwable { |
| try { |
| throw new GroovyRuntimeException("message", new NullPointerException()); |
| } |
| catch (GroovyRuntimeException e) { |
| // worked |
| assertEquals("message", e.getMessage()); |
| assertTrue(e.getCause() instanceof NullPointerException); |
| } |
| } |
| |
| public void testAsBoolean() { |
| assertAsBoolean(true, Boolean.TRUE); |
| assertAsBoolean(true, "true"); |
| assertAsBoolean(true, "TRUE"); |
| assertAsBoolean(true, "false"); |
| assertAsBoolean(false, Boolean.FALSE); |
| assertAsBoolean(false, (String) null); |
| assertAsBoolean(false, ""); |
| GString emptyGString = new GString(new Object[]{""}) { |
| public String[] getStrings() { |
| return new String[]{""}; |
| } |
| }; |
| assertAsBoolean(false, emptyGString); |
| GString nonEmptyGString = new GString(new Object[]{"x"}) { |
| public String[] getStrings() { |
| return new String[]{"x"}; |
| } |
| }; |
| assertAsBoolean(true, nonEmptyGString); |
| assertAsBoolean(true, new Integer(1234)); |
| assertAsBoolean(false, new Integer(0)); |
| assertAsBoolean(true, new Float(0.3f)); |
| assertAsBoolean(true, new Double(3.0f)); |
| assertAsBoolean(false, new Float(0.0f)); |
| assertAsBoolean(true, new Character((char) 1)); |
| assertAsBoolean(false, new Character((char) 0)); |
| assertAsBoolean(false, Collections.EMPTY_LIST); |
| assertAsBoolean(true, Arrays.asList(new Integer[]{new Integer(1)})); |
| } |
| |
| public void testLessThan() { |
| assertTrue(ScriptBytecodeAdapter.compareLessThan(new Integer(1), new Integer(2))); |
| assertTrue(ScriptBytecodeAdapter.compareLessThanEqual(new Integer(2), new Integer(2))); |
| } |
| |
| public void testGreaterThan() { |
| assertTrue(ScriptBytecodeAdapter.compareGreaterThan(new Integer(3), new Integer(2))); |
| assertTrue(ScriptBytecodeAdapter.compareGreaterThanEqual(new Integer(2), new Integer(2))); |
| } |
| |
| public void testCompareTo() { |
| assertTrue(DefaultTypeTransformation.compareEqual("x", new Integer('x'))); |
| } |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Asserts the asBoolean method returns the given flag |
| */ |
| protected void assertAsBoolean(boolean expected, Object value) { |
| boolean answer = DefaultTypeTransformation.castToBoolean(value); |
| assertEquals("value: " + value + " asBoolean()", expected, answer); |
| } |
| |
| /** |
| * Asserts that the given object can be converted into a collection and iterator |
| * of the given size |
| */ |
| protected void assertAsCollection(Object collectionObject, int count) { |
| Collection collection = DefaultTypeTransformation.asCollection(collectionObject); |
| assertTrue("Collection is not null", collection != null); |
| assertEquals("Collection size", count, collection.size()); |
| |
| assertIterator("collections iterator", collection.iterator(), count); |
| assertIterator("InvokerHelper.asIterator", InvokerHelper.asIterator(collectionObject), count); |
| assertIterator("InvokerHelper.asIterator(InvokerHelper.asCollection)", InvokerHelper.asIterator(collection), count); |
| assertIterator("InvokerHelper.asIterator(InvokerHelper.asIterator)", InvokerHelper.asIterator(InvokerHelper.asIterator(collectionObject)), count); |
| } |
| |
| /** |
| * Asserts that the iterator is valid and of the right size |
| */ |
| protected void assertIterator(String message, Iterator iterator, int count) { |
| for (int i = 0; i < count; i++) { |
| assertTrue(message + ": should have item: " + i, iterator.hasNext()); |
| assertTrue(message + ": item: " + i + " should not be null", iterator.next() != null); |
| } |
| |
| assertFalse( |
| message + ": should not have item after iterating through: " + count + " items", |
| iterator.hasNext()); |
| } |
| |
| |
| } |