| // Copyright 2004 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.junit.enhance; |
| |
| import java.lang.reflect.Method; |
| |
| import org.apache.tapestry.AbstractComponent; |
| import org.apache.tapestry.BaseComponent; |
| import org.apache.tapestry.enhance.MethodSignature; |
| import org.apache.tapestry.junit.TapestryTestCase; |
| |
| /** |
| * Tests for the {@link org.apache.tapestry.enhance.MethodSignature} |
| * class used by the {@link org.apache.tapestry.enhance.DefaultComponentClassEnhancer}. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| public class TestMethodSignature extends TapestryTestCase |
| { |
| |
| private MethodSignature build(Class subject, String methodName) |
| { |
| Method[] m = subject.getDeclaredMethods(); |
| |
| for (int i = 0; i < m.length; i++) |
| { |
| if (m[i].getName().equals(methodName)) |
| return new MethodSignature(m[i]); |
| } |
| |
| unreachable(); |
| |
| return null; |
| } |
| |
| public void testEquals() |
| { |
| // No parameters |
| MethodSignature m1 = build(Object.class, "hashCode"); |
| MethodSignature m2 = build(Integer.class, "hashCode"); |
| |
| // With parameters |
| MethodSignature m3 = build(AbstractComponent.class, "renderComponent"); |
| MethodSignature m4 = build(BaseComponent.class, "renderComponent"); |
| |
| assertEquals(true, m1.equals(m2)); |
| assertEquals(true, m3.equals(m4)); |
| } |
| |
| public void testUnequal() |
| { |
| MethodSignature m1 = build(Object.class, "hashCode"); |
| MethodSignature m2 = build(Integer.class, "toString"); |
| |
| assertEquals(false, m1.equals(m2)); |
| |
| assertEquals(false, m1.equals(null)); |
| |
| assertEquals(false, m1.equals("hashCode")); |
| } |
| |
| public void testHashCode() |
| { |
| MethodSignature m1 = build(Object.class, "toString"); |
| MethodSignature m2 = build(StringBuffer.class, "toString"); |
| MethodSignature m3 = build(AbstractComponent.class, "renderComponent"); |
| MethodSignature m4 = build(BaseComponent.class, "renderComponent"); |
| |
| assertEquals(true, m1.hashCode() == m2.hashCode()); |
| assertEquals(true, m3.hashCode() == m4.hashCode()); |
| |
| // Different signatures should have different hashcode |
| |
| assertEquals(true, m1.hashCode() != m3.hashCode()); |
| } |
| |
| } |