Index: third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringArrayListTest.java |
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringArrayListTest.java b/third_party/protobuf/java/src/test/java/com/google/protobuf/LazyStringArrayListTest.java |
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+// 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)); |
+ } |
+} |