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

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6
   7 #include "wtf/text/TextCodecReplacement.h"
   8
   9 #include "wtf/OwnPtr.h"
  10 #include "wtf/text/CString.h"
  11 #include "wtf/text/TextCodec.h"
  12 #include "wtf/text/TextEncoding.h"
  13 #include "wtf/text/TextEncodingRegistry.h"
  14 #include "wtf/text/WTFString.h"
  15 #include <gtest/gtest.h>
  16
  17 namespace WTF {
  18
  19 namespace {
  20
  21 // Just one example, others are listed in the codec implementation.
  22 const char* replacementAlias = "iso-2022-kr";
  23
  24 TEST(TextCodecReplacement, Aliases)
  25 {
  26     // "replacement" is not a valid alias for itself
  27     EXPECT_FALSE(TextEncoding("replacement").isValid());
  28     EXPECT_FALSE(TextEncoding("rEpLaCeMeNt").isValid());
  29
  30     EXPECT_TRUE(TextEncoding(replacementAlias).isValid());
  31     EXPECT_STREQ("replacement", TextEncoding(replacementAlias).name());
  32 }
  33
  34 TEST(TextCodecReplacement, DecodesToFFFD)
  35 {
  36     TextEncoding encoding(replacementAlias);
  37     OwnPtr<TextCodec> codec(newTextCodec(encoding));
  38
  39     bool sawError = false;
  40     const char testCase[] = "hello world";
  41     size_t testCaseSize = sizeof(testCase) - 1;
  42
  43     const String result = codec->decode(testCase, testCaseSize, DataEOF, false, sawError);
  44     EXPECT_TRUE(sawError);
  45     ASSERT_EQ(1u, result.length());
  46     EXPECT_EQ(0xFFFDU, result[0]);
  47 }
  48
  49 TEST(TextCodecReplacement, EncodesToUTF8)
  50 {
  51     TextEncoding encoding(replacementAlias);
  52     OwnPtr<TextCodec> codec(newTextCodec(encoding));
  53
  54     // "Kanji" in Chinese characters.
  55     const UChar testCase[] = { 0x6F22, 0x5B57 };
  56     size_t testCaseSize = WTF_ARRAY_LENGTH(testCase);
  57     CString result = codec->encode(testCase, testCaseSize, QuestionMarksForUnencodables);
  58
  59     EXPECT_STREQ("\xE6\xBC\xA2\xE5\xAD\x97", result.data());
  60 }
  61
  62 } // namespace
  63
  64 } // namespace WTF