third_party/WebKit/Source/wtf/text/TextCodecUTF8Test.cpp

   1 /*
   2  * Copyright (C) 2013 Google Inc. All rights reserved.
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   4  * Redistribution and use in source and binary forms, with or without
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  16  * this software without specific prior written permission.
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  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  29  */
  30
  31 #include "config.h"
  32
  33 #include "wtf/text/TextCodecUTF8.h"
  34
  35 #include "wtf/OwnPtr.h"
  36 #include "wtf/text/TextCodec.h"
  37 #include "wtf/text/TextEncoding.h"
  38 #include "wtf/text/TextEncodingRegistry.h"
  39 #include "wtf/text/WTFString.h"
  40 #include <gtest/gtest.h>
  41
  42 namespace WTF {
  43
  44 namespace {
  45
  46 TEST(TextCodecUTF8, DecodeAscii)
  47 {
  48     TextEncoding encoding("UTF-8");
  49     OwnPtr<TextCodec> codec(newTextCodec(encoding));
  50
  51     const char testCase[] = "HelloWorld";
  52     size_t testCaseSize = sizeof(testCase) - 1;
  53
  54     bool sawError = false;
  55     const String& result = codec->decode(testCase, testCaseSize, DataEOF, false, sawError);
  56     EXPECT_FALSE(sawError);
  57     ASSERT_EQ(testCaseSize, result.length());
  58     for (size_t i = 0; i < testCaseSize; ++i) {
  59         EXPECT_EQ(testCase[i], result[i]);
  60     }
  61 }
  62
  63 TEST(TextCodecUTF8, DecodeChineseCharacters)
  64 {
  65     TextEncoding encoding("UTF-8");
  66     OwnPtr<TextCodec> codec(newTextCodec(encoding));
  67
  68     // "Kanji" in Chinese characters.
  69     const char testCase[] = "\xe6\xbc\xa2\xe5\xad\x97";
  70     size_t testCaseSize = sizeof(testCase) - 1;
  71
  72     bool sawError = false;
  73     const String& result = codec->decode(testCase, testCaseSize, DataEOF, false, sawError);
  74     EXPECT_FALSE(sawError);
  75     ASSERT_EQ(2u, result.length());
  76     EXPECT_EQ(0x6f22U, result[0]);
  77     EXPECT_EQ(0x5b57U, result[1]);
  78 }
  79
  80 TEST(TextCodecUTF8, Decode0xFF)
  81 {
  82     TextEncoding encoding("UTF-8");
  83     OwnPtr<TextCodec> codec(newTextCodec(encoding));
  84
  85     bool sawError = false;
  86     const String& result = codec->decode("\xff", 1, DataEOF, false, sawError);
  87     EXPECT_TRUE(sawError);
  88     ASSERT_EQ(1u, result.length());
  89     EXPECT_EQ(0xFFFDU, result[0]);
  90 }
  91
  92 } // namespace
  93
  94 } // namespace WTF