| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 com.android.contacts.compat; |
| |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| @SmallTest |
| public class CompatUtilsTest extends AndroidTestCase { |
| |
| public void testIsClassAvailable_NullClassName() { |
| assertFalse(CompatUtils.isClassAvailable(null)); |
| } |
| |
| public void testIsClassAvailable_EmptyClassName() { |
| assertFalse(CompatUtils.isClassAvailable("")); |
| } |
| |
| public void testIsClassAvailable_NonexistentClass() { |
| assertFalse(CompatUtils.isClassAvailable("com.android.contacts.common.NonexistentClass")); |
| } |
| |
| public void testIsClassAvailable() { |
| assertTrue(CompatUtils.isClassAvailable(BaseClass.class.getName())); |
| } |
| |
| public void testIsMethodAvailable_NullClassName() { |
| assertFalse(CompatUtils.isMethodAvailable(null, "methodName")); |
| } |
| |
| public void testIsMethodAvailable_EmptyClassName() { |
| assertFalse(CompatUtils.isMethodAvailable("", "methodName")); |
| } |
| |
| public void testIsMethodAvailable_NullMethodName() { |
| assertFalse(CompatUtils.isMethodAvailable("className", null)); |
| } |
| |
| public void testIsMethodAvailable_EmptyMethodName() { |
| assertFalse(CompatUtils.isMethodAvailable("className", "")); |
| } |
| |
| public void testIsMethodAvailable_NonexistentClass() { |
| assertFalse(CompatUtils.isMethodAvailable("com.android.contacts.common.NonexistentClass", |
| "")); |
| } |
| |
| public void testIsMethodAvailable_NonexistentMethod() { |
| assertFalse(CompatUtils.isMethodAvailable(BaseClass.class.getName(), "derivedMethod")); |
| } |
| |
| public void testIsMethodAvailable() { |
| assertTrue(CompatUtils.isMethodAvailable(BaseClass.class.getName(), "baseMethod")); |
| } |
| |
| public void testIsMethodAvailable_InheritedMethod() { |
| assertTrue(CompatUtils.isMethodAvailable(DerivedClass.class.getName(), "baseMethod")); |
| } |
| |
| public void testIsMethodAvailable_OverloadedMethod() { |
| assertTrue(CompatUtils.isMethodAvailable(DerivedClass.class.getName(), "overloadedMethod")); |
| assertTrue(CompatUtils.isMethodAvailable(DerivedClass.class.getName(), "overloadedMethod", |
| Integer.TYPE)); |
| } |
| |
| public void testIsMethodAvailable_NonexistentOverload() { |
| assertFalse(CompatUtils.isMethodAvailable(DerivedClass.class.getName(), "overloadedMethod", |
| Boolean.TYPE)); |
| } |
| |
| public void testInvokeMethod_NullMethodName() { |
| assertNull(CompatUtils.invokeMethod(new BaseClass(), null, null, null)); |
| } |
| |
| public void testInvokeMethod_EmptyMethodName() { |
| assertNull(CompatUtils.invokeMethod(new BaseClass(), "", null, null)); |
| } |
| |
| public void testInvokeMethod_NullClassInstance() { |
| assertNull(CompatUtils.invokeMethod(null, "", null, null)); |
| } |
| |
| public void testInvokeMethod_NonexistentMethod() { |
| assertNull(CompatUtils.invokeMethod(new BaseClass(), "derivedMethod", null, null)); |
| } |
| |
| public void testInvokeMethod_MethodWithNoParameters() { |
| assertEquals(1, CompatUtils.invokeMethod(new DerivedClass(), "overloadedMethod", null, null)); |
| } |
| |
| public void testInvokeMethod_MethodWithNoParameters_WithParameters() { |
| assertNull(CompatUtils.invokeMethod(new DerivedClass(), "derivedMethod", |
| new Class<?>[] {Integer.TYPE}, new Object[] {1})); |
| } |
| |
| public void testInvokeMethod_MethodWithParameters_WithEmptyParameterList() { |
| assertNull(CompatUtils.invokeMethod(new DerivedClass(), "overloadedMethod", |
| new Class<?>[] {Integer.TYPE}, new Object[] {})); |
| } |
| |
| public void testInvokeMethod_InvokeSimpleMethod() { |
| assertEquals(2, CompatUtils.invokeMethod(new DerivedClass(), "overloadedMethod", |
| new Class<?>[] {Integer.TYPE}, new Object[] {2})); |
| } |
| |
| private class BaseClass { |
| public void baseMethod() {} |
| } |
| |
| private class DerivedClass extends BaseClass { |
| public int derivedMethod() { |
| // This method needs to return something to differentiate a successful invocation from |
| // an unsuccessful one. |
| return 0; |
| } |
| |
| public int overloadedMethod() { |
| return 1; |
| } |
| |
| public int overloadedMethod(int i) { |
| return i; |
| } |
| } |
| } |