| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf; |
| |
| import protobuf_unittest.UnittestProto.TestAllExtensions; |
| import protobuf_unittest.UnittestProto.TestAllTypes; |
| import junit.framework.TestCase; |
| |
| /** |
| * Unit test for {@link LazyField}. |
| * |
| * @author xiangl@google.com (Xiang Li) |
| */ |
| public class LazyFieldTest extends TestCase { |
| public void testHashCode() { |
| MessageLite message = TestUtil.getAllSet(); |
| LazyField lazyField = |
| createLazyFieldFromMessage(message); |
| assertEquals(message.hashCode(), lazyField.hashCode()); |
| lazyField.getValue(); |
| assertEquals(message.hashCode(), lazyField.hashCode()); |
| changeValue(lazyField); |
| // make sure two messages have different hash code |
| assertNotEqual(message.hashCode(), lazyField.hashCode()); |
| } |
| |
| public void testHashCodeEx() throws Exception { |
| TestAllExtensions message = TestUtil.getAllExtensionsSet(); |
| LazyField lazyField = createLazyFieldFromMessage(message); |
| assertEquals(message.hashCode(), lazyField.hashCode()); |
| lazyField.getValue(); |
| assertEquals(message.hashCode(), lazyField.hashCode()); |
| changeValue(lazyField); |
| // make sure two messages have different hash code |
| assertNotEqual(message.hashCode(), lazyField.hashCode()); |
| } |
| |
| public void testGetValue() { |
| MessageLite message = TestUtil.getAllSet(); |
| LazyField lazyField = createLazyFieldFromMessage(message); |
| assertEquals(message, lazyField.getValue()); |
| changeValue(lazyField); |
| assertNotEqual(message, lazyField.getValue()); |
| } |
| |
| public void testGetValueEx() throws Exception { |
| TestAllExtensions message = TestUtil.getAllExtensionsSet(); |
| LazyField lazyField = createLazyFieldFromMessage(message); |
| assertEquals(message, lazyField.getValue()); |
| changeValue(lazyField); |
| assertNotEqual(message, lazyField.getValue()); |
| } |
| |
| public void testEqualsObject() { |
| MessageLite message = TestUtil.getAllSet(); |
| LazyField lazyField = createLazyFieldFromMessage(message); |
| assertTrue(lazyField.equals(message)); |
| changeValue(lazyField); |
| assertFalse(lazyField.equals(message)); |
| assertFalse(message.equals(lazyField.getValue())); |
| } |
| |
| @SuppressWarnings("EqualsIncompatibleType") // LazyField.equals() is not symmetric |
| public void testEqualsObjectEx() throws Exception { |
| TestAllExtensions message = TestUtil.getAllExtensionsSet(); |
| LazyField lazyField = createLazyFieldFromMessage(message); |
| assertTrue(lazyField.equals(message)); |
| changeValue(lazyField); |
| assertFalse(lazyField.equals(message)); |
| assertFalse(message.equals(lazyField.getValue())); |
| } |
| |
| // Help methods. |
| |
| private LazyField createLazyFieldFromMessage(MessageLite message) { |
| ByteString bytes = message.toByteString(); |
| return new LazyField(message.getDefaultInstanceForType(), |
| TestUtil.getExtensionRegistry(), bytes); |
| } |
| |
| private void changeValue(LazyField lazyField) { |
| TestAllTypes.Builder builder = TestUtil.getAllSet().toBuilder(); |
| builder.addRepeatedBool(true); |
| MessageLite newMessage = builder.build(); |
| lazyField.setValue(newMessage); |
| } |
| |
| private void assertNotEqual(Object unexpected, Object actual) { |
| assertFalse(unexpected == actual |
| || (unexpected != null && unexpected.equals(actual))); |
| } |
| } |