/thirdparty/breakpad/third_party/protobuf/protobuf/java/src/test/java/com/google/protobuf/LazyStringArrayListTest.java
http://github.com/tomahawk-player/tomahawk · Java · 118 lines · 60 code · 18 blank · 40 comment · 0 complexity · 19ac921d08def17165d79d518061be24 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 junit.framework.TestCase;
- /**
- * Tests for {@link LazyStringArrayList}.
- *
- * @author jonp@google.com (Jon Perlow)
- */
- public class LazyStringArrayListTest extends TestCase {
- private static String STRING_A = "A";
- private static String STRING_B = "B";
- private static String STRING_C = "C";
- private static ByteString BYTE_STRING_A = ByteString.copyFromUtf8("A");
- private static ByteString BYTE_STRING_B = ByteString.copyFromUtf8("B");
- private static ByteString BYTE_STRING_C = ByteString.copyFromUtf8("C");
- public void testJustStrings() {
- LazyStringArrayList list = new LazyStringArrayList();
- list.add(STRING_A);
- list.add(STRING_B);
- list.add(STRING_C);
- assertEquals(3, list.size());
- assertSame(STRING_A, list.get(0));
- assertSame(STRING_B, list.get(1));
- assertSame(STRING_C, list.get(2));
- list.set(1, STRING_C);
- assertSame(STRING_C, list.get(1));
- list.remove(1);
- assertSame(STRING_A, list.get(0));
- assertSame(STRING_C, list.get(1));
- }
- public void testJustByteString() {
- LazyStringArrayList list = new LazyStringArrayList();
- list.add(BYTE_STRING_A);
- list.add(BYTE_STRING_B);
- list.add(BYTE_STRING_C);
- assertEquals(3, list.size());
- assertSame(BYTE_STRING_A, list.getByteString(0));
- assertSame(BYTE_STRING_B, list.getByteString(1));
- assertSame(BYTE_STRING_C, list.getByteString(2));
- list.remove(1);
- assertSame(BYTE_STRING_A, list.getByteString(0));
- assertSame(BYTE_STRING_C, list.getByteString(1));
- }
- public void testConversionBackAndForth() {
- LazyStringArrayList list = new LazyStringArrayList();
- list.add(STRING_A);
- list.add(BYTE_STRING_B);
- list.add(BYTE_STRING_C);
- // String a should be the same because it was originally a string
- assertSame(STRING_A, list.get(0));
- // String b and c should be different because the string has to be computed
- // from the ByteString
- String bPrime = list.get(1);
- assertNotSame(STRING_B, bPrime);
- assertEquals(STRING_B, bPrime);
- String cPrime = list.get(2);
- assertNotSame(STRING_C, cPrime);
- assertEquals(STRING_C, cPrime);
- // String c and c should stay the same once cached.
- assertSame(bPrime, list.get(1));
- assertSame(cPrime, list.get(2));
- // ByteString needs to be computed from string for both a and b
- ByteString aPrimeByteString = list.getByteString(0);
- assertEquals(BYTE_STRING_A, aPrimeByteString);
- ByteString bPrimeByteString = list.getByteString(1);
- assertNotSame(BYTE_STRING_B, bPrimeByteString);
- assertEquals(BYTE_STRING_B, list.getByteString(1));
- // Once cached, ByteString should stay cached.
- assertSame(aPrimeByteString, list.getByteString(0));
- assertSame(bPrimeByteString, list.getByteString(1));
- }
- }