Rolling back test deletion.
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/*
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* Copyright (C) 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.reflect;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.RandomAccess;
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import java.util.Set;
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import junit.framework.TestCase;
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/**
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* @author Jesse Wilson
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*/
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@SuppressWarnings({"UnusedDeclaration", "deprecation"})
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public final class TypeTokenTest extends TestCase {
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List<Integer> listOfInteger = null;
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List<Number> listOfNumber = null;
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List<String> listOfString = null;
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List<?> listOfUnknown = null;
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List<Set<String>> listOfSetOfString = null;
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List<Set<?>> listOfSetOfUnknown = null;
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public void testIsAssignableFromRawTypes() {
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assertTrue(TypeToken.get(Object.class).isAssignableFrom(String.class));
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assertFalse(TypeToken.get(String.class).isAssignableFrom(Object.class));
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assertTrue(TypeToken.get(RandomAccess.class).isAssignableFrom(ArrayList.class));
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assertFalse(TypeToken.get(ArrayList.class).isAssignableFrom(RandomAccess.class));
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}
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public void testIsAssignableFromWithTypeParameters() throws Exception {
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Type a = getClass().getDeclaredField("listOfInteger").getGenericType();
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Type b = getClass().getDeclaredField("listOfNumber").getGenericType();
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assertTrue(TypeToken.get(a).isAssignableFrom(a));
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assertTrue(TypeToken.get(b).isAssignableFrom(b));
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// listOfInteger = listOfNumber; // doesn't compile; must be false
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assertFalse(TypeToken.get(a).isAssignableFrom(b));
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// listOfNumber = listOfInteger; // doesn't compile; must be false
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assertFalse(TypeToken.get(b).isAssignableFrom(a));
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}
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public void testIsAssignableFromWithBasicWildcards() throws Exception {
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Type a = getClass().getDeclaredField("listOfString").getGenericType();
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Type b = getClass().getDeclaredField("listOfUnknown").getGenericType();
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assertTrue(TypeToken.get(a).isAssignableFrom(a));
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assertTrue(TypeToken.get(b).isAssignableFrom(b));
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// listOfString = listOfUnknown // doesn't compile; must be false
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assertFalse(TypeToken.get(a).isAssignableFrom(b));
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listOfUnknown = listOfString; // compiles; must be true
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assertTrue(TypeToken.get(b).isAssignableFrom(a));
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}
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public void testIsAssignableFromWithNestedWildcards() throws Exception {
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Type a = getClass().getDeclaredField("listOfSetOfString").getGenericType();
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Type b = getClass().getDeclaredField("listOfSetOfUnknown").getGenericType();
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assertTrue(TypeToken.get(a).isAssignableFrom(a));
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assertTrue(TypeToken.get(b).isAssignableFrom(b));
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// listOfSetOfString = listOfSetOfUnknown; // doesn't compile; must be false
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assertFalse(TypeToken.get(a).isAssignableFrom(b));
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// listOfSetOfUnknown = listOfSetOfString; // doesn't compile; must be false
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assertFalse(TypeToken.get(b).isAssignableFrom(a));
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}
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}
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