Check in protobuf java code and generate lite jar.

third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java

Index: third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java b/third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java
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index 0000000000000000000000000000000000000000..e6870b514cc9751155d3f0f34ecda4932f9a392d
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+++ b/third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java
@@ -0,0 +1,115 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// 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;
+
+import junit.framework.TestCase;
+
+import java.io.IOException;
+
+/**
+ * Tests to make sure the lazy conversion of UTF8-encoded byte arrays to
+ * strings works correctly.
+ *
+ * @author jonp@google.com (Jon Perlow)
+ */
+public class LazyStringEndToEndTest extends TestCase {
+
+  private static ByteString TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8 =
+      ByteString.copyFrom(new byte[] {
+          114, 4, -1, 0, -1, 0, -30, 2, 4, -1,
+          0, -1, 0, -30, 2, 4, -1, 0, -1, 0, });
+
+  /**
+   * Tests that an invalid UTF8 string will roundtrip through a parse
+   * and serialization.
+   */
+  public void testParseAndSerialize() throws InvalidProtocolBufferException {
+    UnittestProto.TestAllTypes tV2 = UnittestProto.TestAllTypes.parseFrom(
+        TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8);
+    ByteString bytes = tV2.toByteString();
+    assertEquals(TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8, bytes);
+
+    tV2.getOptionalString();
+    bytes = tV2.toByteString();
+    assertEquals(TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8, bytes);
+  }
+
+  public void testParseAndWrite() throws IOException {
+    UnittestProto.TestAllTypes tV2 = UnittestProto.TestAllTypes.parseFrom(
+        TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8);
+    byte[] sink = new byte[TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8.size()];
+    CodedOutputStream outputStream = CodedOutputStream.newInstance(sink);
+    tV2.writeTo(outputStream);
+    outputStream.flush();
+    assertEquals(
+        TEST_ALL_TYPES_SERIALIZED_WITH_ILLEGAL_UTF8,
+        ByteString.copyFrom(sink));
+  }
+
+  public void testCaching() {
+    String a = "a";
+    String b = "b";
+    String c = "c";
+    UnittestProto.TestAllTypes proto = UnittestProto.TestAllTypes.newBuilder()
+        .setOptionalString(a)
+        .addRepeatedString(b)
+        .addRepeatedString(c)
+        .build();
+
+    // String should be the one we passed it.
+    assertSame(a, proto.getOptionalString());
+    assertSame(b, proto.getRepeatedString(0));
+    assertSame(c, proto.getRepeatedString(1));
+
+
+    // There's no way to directly observe that the ByteString is cached
+    // correctly on serialization, but we can observe that it had to recompute
+    // the string after serialization.
+    proto.toByteString();
+    String aPrime = proto.getOptionalString();
+    assertNotSame(a, aPrime);
+    assertEquals(a, aPrime);
+    String bPrime = proto.getRepeatedString(0);
+    assertNotSame(b, bPrime);
+    assertEquals(b, bPrime);
+    String cPrime = proto.getRepeatedString(1);
+    assertNotSame(c, cPrime);
+    assertEquals(c, cPrime);
+
+    // And now the string should stay cached.
+    assertSame(aPrime, proto.getOptionalString());
+    assertSame(bPrime, proto.getRepeatedString(0));
+    assertSame(cPrime, proto.getRepeatedString(1));
+  }
+}