diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/LazyFieldTest.java')
-rw-r--r-- | third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/LazyFieldTest.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/LazyFieldTest.java b/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/LazyFieldTest.java new file mode 100644 index 0000000000..f27e8e51b2 --- /dev/null +++ b/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/LazyFieldTest.java @@ -0,0 +1,120 @@ +// 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))); + } +} |