зеркало из https://github.com/mozilla/gecko-dev.git
236 строки
7.4 KiB
C++
236 строки
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Jeff Walden <jwalden+code@mit.edu>.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "TestHarness.h"
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nsresult TestGoodSurrogatePair()
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{
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// When this string is decoded, the surrogate pair is U+10302 and the rest of
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// the string is specified by indexes 2 onward.
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const PRUnichar goodPairData[] = { 0xD800, 0xDF02, 0x65, 0x78, 0x0 };
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nsDependentString goodPair16(goodPairData);
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PRUint32 byteCount = 0;
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char* goodPair8 = ToNewUTF8String(goodPair16, &byteCount);
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if (!goodPair8)
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{
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fail("out of memory creating goodPair8");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (byteCount != 6)
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{
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fail("wrong number of bytes; expected 6, got %lu", byteCount);
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return NS_ERROR_FAILURE;
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}
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const unsigned char expected8[] =
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{ 0xF0, 0x90, 0x8C, 0x82, 0x65, 0x78, 0x0 };
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if (0 != memcmp(expected8, goodPair8, sizeof(expected8)))
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{
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fail("wrong translation to UTF8");
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return NS_ERROR_FAILURE;
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}
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// This takes a different code path from the above, so test it to make sure
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// the UTF-16 enumeration remains in sync with the UTF-8 enumeration.
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nsDependentCString expected((const char*)expected8);
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if (0 != CompareUTF8toUTF16(expected, goodPair16))
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{
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fail("bad comparison between UTF-8 and equivalent UTF-16");
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return NS_ERROR_FAILURE;
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}
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NS_Free(goodPair8);
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passed("TestGoodSurrogatePair");
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return NS_OK;
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}
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nsresult TestBackwardsSurrogatePair()
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{
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// When this string is decoded, the two surrogates are wrongly ordered and
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// must each be interpreted as U+FFFD.
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const PRUnichar backwardsPairData[] = { 0xDDDD, 0xD863, 0x65, 0x78, 0x0 };
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nsDependentString backwardsPair16(backwardsPairData);
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PRUint32 byteCount = 0;
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char* backwardsPair8 = ToNewUTF8String(backwardsPair16, &byteCount);
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if (!backwardsPair8)
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{
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fail("out of memory creating backwardsPair8");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (byteCount != 8)
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{
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fail("wrong number of bytes; expected 8, got %lu", byteCount);
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return NS_ERROR_FAILURE;
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}
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const unsigned char expected8[] =
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{ 0xEF, 0xBF, 0xBD, 0xEF, 0xBF, 0xBD, 0x65, 0x78, 0x0 };
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if (0 != memcmp(expected8, backwardsPair8, sizeof(expected8)))
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{
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fail("wrong translation to UTF8");
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return NS_ERROR_FAILURE;
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}
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// This takes a different code path from the above, so test it to make sure
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// the UTF-16 enumeration remains in sync with the UTF-8 enumeration.
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nsDependentCString expected((const char*)expected8);
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if (0 != CompareUTF8toUTF16(expected, backwardsPair16))
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{
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fail("bad comparison between UTF-8 and malformed but equivalent UTF-16");
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return NS_ERROR_FAILURE;
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}
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NS_Free(backwardsPair8);
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passed("TestBackwardsSurrogatePair");
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return NS_OK;
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}
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nsresult TestMalformedUTF16OrphanHighSurrogate()
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{
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// When this string is decoded, the high surrogate should be replaced and the
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// rest of the string is specified by indexes 1 onward.
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const PRUnichar highSurrogateData[] = { 0xD863, 0x74, 0x65, 0x78, 0x74, 0x0 };
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nsDependentString highSurrogate16(highSurrogateData);
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PRUint32 byteCount = 0;
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char* highSurrogate8 = ToNewUTF8String(highSurrogate16, &byteCount);
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if (!highSurrogate8)
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{
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fail("out of memory creating highSurrogate8");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (byteCount != 7)
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{
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fail("wrong number of bytes; expected 7, got %lu", byteCount);
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return NS_ERROR_FAILURE;
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}
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const unsigned char expected8[] =
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{ 0xEF, 0xBF, 0xBD, 0x74, 0x65, 0x78, 0x74, 0x0 };
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if (0 != memcmp(expected8, highSurrogate8, sizeof(expected8)))
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{
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fail("wrong translation to UTF8");
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return NS_ERROR_FAILURE;
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}
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// This takes a different code path from the above, so test it to make sure
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// the UTF-16 enumeration remains in sync with the UTF-8 enumeration.
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nsDependentCString expected((const char*)expected8);
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if (0 != CompareUTF8toUTF16(expected, highSurrogate16))
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{
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fail("bad comparison between UTF-8 and malformed but equivalent UTF-16");
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return NS_ERROR_FAILURE;
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}
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NS_Free(highSurrogate8);
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passed("TestMalformedUTF16OrphanHighSurrogate");
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return NS_OK;
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}
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nsresult TestMalformedUTF16OrphanLowSurrogate()
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{
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// When this string is decoded, the low surrogate should be replaced and the
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// rest of the string is specified by indexes 1 onward.
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const PRUnichar lowSurrogateData[] = { 0xDDDD, 0x74, 0x65, 0x78, 0x74, 0x0 };
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nsDependentString lowSurrogate16(lowSurrogateData);
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PRUint32 byteCount = 0;
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char* lowSurrogate8 = ToNewUTF8String(lowSurrogate16, &byteCount);
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if (!lowSurrogate8)
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{
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fail("out of memory creating lowSurrogate8");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (byteCount != 7)
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{
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fail("wrong number of bytes; expected 7, got %lu", byteCount);
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return NS_ERROR_FAILURE;
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}
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const unsigned char expected8[] =
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{ 0xEF, 0xBF, 0xBD, 0x74, 0x65, 0x78, 0x74, 0x0 };
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if (0 != memcmp(expected8, lowSurrogate8, sizeof(expected8)))
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{
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fail("wrong translation to UTF8");
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return NS_ERROR_FAILURE;
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}
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// This takes a different code path from the above, so test it to make sure
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// the UTF-16 enumeration remains in sync with the UTF-8 enumeration.
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nsDependentCString expected((const char*)expected8);
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if (0 != CompareUTF8toUTF16(expected, lowSurrogate16))
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{
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fail("bad comparison between UTF-8 and malformed but equivalent UTF-16");
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return NS_ERROR_FAILURE;
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}
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NS_Free(lowSurrogate8);
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passed("TestMalformedUTF16OrphanLowSurrogate");
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return NS_OK;
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}
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int main(int argc, char** argv)
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{
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ScopedXPCOM xpcom("TestEncoding");
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if (xpcom.failed())
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return 1;
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int rv = 0;
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if (NS_FAILED(TestGoodSurrogatePair()))
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rv = 1;
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if (NS_FAILED(TestBackwardsSurrogatePair()))
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rv = 1;
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if (NS_FAILED(TestMalformedUTF16OrphanHighSurrogate()))
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rv = 1;
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if (NS_FAILED(TestMalformedUTF16OrphanLowSurrogate()))
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rv = 1;
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return rv;
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}
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