src/third_party/mozjs-45/js/src/jsapi-tests/testUTF8.cpp

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/Range.h"

#include "jsapi.h"
#include "jsstr.h"

#include "js/CharacterEncoding.h"
#include "jsapi-tests/tests.h"

BEGIN_TEST(testUTF8_badUTF8)
{
    static const char badUTF8[] = "...\xC0...";
    JSString* str = JS_NewStringCopyZ(cx, badUTF8);
    CHECK(str);
    char16_t ch;
    if (!JS_GetStringCharAt(cx, str, 3, &ch))
        return false;
    CHECK(ch == 0x00C0);
    return true;
}
END_TEST(testUTF8_badUTF8)

BEGIN_TEST(testUTF8_bigUTF8)
{
    static const char bigUTF8[] = "...\xFB\xBF\xBF\xBF\xBF...";
    JSString* str = JS_NewStringCopyZ(cx, bigUTF8);
    CHECK(str);
    char16_t ch;
    if (!JS_GetStringCharAt(cx, str, 3, &ch))
        return false;
    CHECK(ch == 0x00FB);
    return true;
}
END_TEST(testUTF8_bigUTF8)

BEGIN_TEST(testUTF8_badSurrogate)
{
    static const char16_t badSurrogate[] = { 'A', 'B', 'C', 0xDEEE, 'D', 'E', 0 };
    mozilla::Range<const char16_t> tbchars(badSurrogate, js_strlen(badSurrogate));
    JS::Latin1CharsZ latin1 = JS::LossyTwoByteCharsToNewLatin1CharsZ(cx, tbchars);
    CHECK(latin1);
    CHECK(latin1[3] == 0x00EE);
    return true;
}
END_TEST(testUTF8_badSurrogate)