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+// 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.lite_equals_and_hash.LiteEqualsAndHash.Bar;
+import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.BarPrime;
+import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.Foo;
+
+import junit.framework.TestCase;
+
+/**
+ * Test generate equal and hash methods for the lite runtime.
+ *
+ * @author pbogle@google.com Phil Bogle
+ */
+public class LiteEqualsAndHashTest extends TestCase {
+
+ public void testEquals() throws Exception {
+ // Since the generated equals and hashCode methods for lite messages are a
+ // mostly complete subset of those for regular messages, we can mostly assume
+ // that the generated methods are already thoroughly tested by the regular tests.
+
+ // This test mostly just verifies is that a proto with
+ // optimize_for = LITE_RUNTIME and java_generates_equals_and_hash_compiles
+ // correctly when linked only against the lite library.
+
+ // We do however do some basic testing to make sure that equals is actually
+ // overriden to test for value equality rather than simple object equality.
+
+ // Check that two identical objs are equal.
+ Foo foo1a = Foo.newBuilder()
+ .setValue(1)
+ .addBar(Bar.newBuilder().setName("foo1"))
+ .build();
+ Foo foo1b = Foo.newBuilder()
+ .setValue(1)
+ .addBar(Bar.newBuilder().setName("foo1"))
+ .build();
+ Foo foo2 = Foo.newBuilder()
+ .setValue(1)
+ .addBar(Bar.newBuilder().setName("foo2"))
+ .build();
+
+ // Check that equals is doing value rather than object equality.
+ assertEquals(foo1a, foo1b);
+ assertEquals(foo1a.hashCode(), foo1b.hashCode());
+
+ // Check that a diffeent object is not equal.
+ assertFalse(foo1a.equals(foo2));
+
+ // Check that two objects which have different types but the same field values are not
+ // considered to be equal.
+ Bar bar = Bar.newBuilder().setName("bar").build();
+ BarPrime barPrime = BarPrime.newBuilder().setName("bar").build();
+ assertFalse(bar.equals(barPrime));
+ }
+}