/thirdparty/breakpad/third_party/protobuf/protobuf/java/src/test/java/com/google/protobuf/LazyStringEndToEndTest.java
http://github.com/tomahawk-player/tomahawk · Java · 115 lines · 56 code · 15 blank · 44 comment · 0 complexity · b3b7692231d3fde14092032f56fa01e7 MD5 · raw file
- // 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));
- }
- }