| // 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; |
| |
| 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, }); |
| |
| private ByteString encodedTestAllTypes; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| this.encodedTestAllTypes = UnittestProto.TestAllTypes.newBuilder() |
| .setOptionalString("foo") |
| .addRepeatedString("bar") |
| .addRepeatedString("baz") |
| .build() |
| .toByteString(); |
| } |
| |
| /** |
| * 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)); |
| |
| |
| // Ensure serialization keeps strings cached. |
| proto.toByteString(); |
| |
| // And now the string should stay cached. |
| assertSame(a, proto.getOptionalString()); |
| assertSame(b, proto.getRepeatedString(0)); |
| assertSame(c, proto.getRepeatedString(1)); |
| } |
| |
| public void testNoStringCachingIfOnlyBytesAccessed() throws Exception { |
| UnittestProto.TestAllTypes proto = |
| UnittestProto.TestAllTypes.parseFrom(encodedTestAllTypes); |
| ByteString optional = proto.getOptionalStringBytes(); |
| assertSame(optional, proto.getOptionalStringBytes()); |
| assertSame(optional, proto.toBuilder().getOptionalStringBytes()); |
| |
| ByteString repeated0 = proto.getRepeatedStringBytes(0); |
| ByteString repeated1 = proto.getRepeatedStringBytes(1); |
| assertSame(repeated0, proto.getRepeatedStringBytes(0)); |
| assertSame(repeated1, proto.getRepeatedStringBytes(1)); |
| assertSame(repeated0, proto.toBuilder().getRepeatedStringBytes(0)); |
| assertSame(repeated1, proto.toBuilder().getRepeatedStringBytes(1)); |
| } |
| } |