js/src/jsapi-tests/testUTF8.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "mozilla/Range.h"
   9
  10 #include "js/CharacterEncoding.h"
  11 #include "jsapi-tests/tests.h"
  12
  13 BEGIN_TEST(testUTF8_badUTF8) {
  14   static const char badUTF8[] = "...\xC0...";
  15   JSString* str = JS_NewStringCopyZ(cx, badUTF8);
  16   CHECK(str);
  17   char16_t ch;
  18   if (!JS_GetStringCharAt(cx, str, 3, &ch)) {
  19     return false;
  20   }
  21   CHECK(ch == 0x00C0);
  22   return true;
  23 }
  24 END_TEST(testUTF8_badUTF8)
  25
  26 BEGIN_TEST(testUTF8_bigUTF8) {
  27   static const char bigUTF8[] = "...\xFB\xBF\xBF\xBF\xBF...";
  28   JSString* str = JS_NewStringCopyZ(cx, bigUTF8);
  29   CHECK(str);
  30   char16_t ch;
  31   if (!JS_GetStringCharAt(cx, str, 3, &ch)) {
  32     return false;
  33   }
  34   CHECK(ch == 0x00FB);
  35   return true;
  36 }
  37 END_TEST(testUTF8_bigUTF8)
  38
  39 BEGIN_TEST(testUTF8_badSurrogate) {
  40   static const char16_t badSurrogate[] = {'A', 'B', 'C', 0xDEEE, 'D', 'E', 0};
  41   mozilla::Range<const char16_t> tbchars(badSurrogate, js_strlen(badSurrogate));
  42   JS::Latin1CharsZ latin1 = JS::LossyTwoByteCharsToNewLatin1CharsZ(cx, tbchars);
  43   CHECK(latin1);
  44   CHECK(latin1[3] == 0x00EE);
  45   return true;
  46 }
  47 END_TEST(testUTF8_badSurrogate)