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https://github.com/mozilla/gecko-dev.git
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Bug 530220: Fix bug in binary data handling, and write more comprehensive tests. r=jst a=jst
This commit is contained in:
Jonas Sicking
parent
fcfcaed7ed
commit
577f0aea98
@ -360,6 +360,26 @@ nsDOMFileReader::OnStartRequest(nsIRequest *request, nsISupports *ctxt)
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return NS_OK;
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}
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static
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NS_METHOD
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ReadFuncBinaryString(nsIInputStream* in,
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void* closure,
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const char* fromRawSegment,
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PRUint32 toOffset,
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PRUint32 count,
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PRUint32 *writeCount)
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{
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PRUnichar* dest = static_cast<PRUnichar*>(closure) + toOffset;
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PRUnichar* end = dest + count;
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const unsigned char* source = (const unsigned char*)fromRawSegment;
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while (dest != end) {
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*dest = *source;
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++dest;
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++source;
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}
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*writeCount = count;
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}
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NS_IMETHODIMP
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nsDOMFileReader::OnDataAvailable(nsIRequest *aRequest,
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nsISupports *aContext,
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@ -367,6 +387,21 @@ nsDOMFileReader::OnDataAvailable(nsIRequest *aRequest,
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PRUint32 aOffset,
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PRUint32 aCount)
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{
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//Continuously update our binary string as data comes in
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if (mDataFormat == FILE_AS_BINARY) {
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PRUint32 oldLen = mResult.Length();
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PRUnichar *buf = nsnull;
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mResult.GetMutableData(&buf, oldLen + aCount);
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NS_ENSURE_TRUE(buf, NS_ERROR_OUT_OF_MEMORY);
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PRUint32 bytesRead;
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aInputStream->ReadSegments(ReadFuncBinaryString, buf + oldLen, aCount,
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&bytesRead);
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NS_ASSERTION(bytesRead == aCount, "failed to read data");
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return NS_OK;
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}
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//Update memory buffer to reflect the contents of the file
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mFileData = (char *)PR_Realloc(mFileData, aOffset + aCount);
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NS_ENSURE_TRUE(mFileData, NS_ERROR_OUT_OF_MEMORY);
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@ -375,27 +410,6 @@ nsDOMFileReader::OnDataAvailable(nsIRequest *aRequest,
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mDataLen += aCount;
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mReadTransferred = mDataLen;
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//Continuously update our binary string as data comes in
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if (mDataFormat == FILE_AS_BINARY) {
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PRUint32 oldLen = mResult.Length();
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PRUint32 newLen = oldLen + aCount;
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PRUnichar *buf;
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if (mResult.GetMutableData(&buf, newLen) != newLen) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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PRUnichar *bufEnd = buf + newLen;
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buf += oldLen;
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char *source = mFileData + aOffset;
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while (buf < bufEnd) {
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*buf = *source;
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++buf;
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++source;
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}
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}
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//Notify the timer is the appropriate timeframe has passed
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if (mTimerIsActive) {
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mProgressEventWasDelayed = PR_TRUE;
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@ -20,272 +20,221 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=414796
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<pre id="test">
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<script class="testbody" type="text/javascript">
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var testCounter = 0;
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const minFileSize = 20000;
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var fileNum = 1;
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var testRanCounter = 0;
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var expectedTestCount = 0;
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SimpleTest.waitForExplicitFinish();
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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// Write a test file > 8192 characters
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is(FileReader.EMPTY, 0, "correct EMPTY value");
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is(FileReader.LOADING, 1, "correct LOADING value");
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is(FileReader.DONE, 2, "correct DONE value");
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var testData = "asdfblahqwer";
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for (var i = 0; i < 10; i++) {
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testData = testData + testData;
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// Create strings containing data we'll test with. We'll want long
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// strings to ensure they span multiple buffers while loading
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var testTextData = "asd b\tlah\u1234w\u00a0r";
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while (testTextData.length < minFileSize) {
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testTextData = testTextData + testTextData;
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}
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var testData2 = testData + "a";
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var testData3 = testData + "as";
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//Ensure we have different sizes of data for thoroughly testing data URI retrieval
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is(testData.length % 3, 0, "Need to have data length % 3 == 0");
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is(testData2.length % 3, 1, "Need to have data length % 3 == 1");
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is(testData3.length % 3, 2, "Need to have data lenght % 3 == 2");
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//Create UTF data that should be the same for UTF-16
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var utf16Data = "\0a\0s\0d\0f\0b\0l\0a\0h\0q\0w\0e\0r";
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for (var i = 0; i < 10; i++) {
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utf16Data = utf16Data + utf16Data;
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var testASCIIData = "abcdef 123456\n";
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while (testASCIIData.length < minFileSize) {
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testASCIIData = testASCIIData + testASCIIData;
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}
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var utf16File = createFileWithData(utf16Data, "01");
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//Create UTF data that should be the same for UTF-32
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var utf32Data = "\0\0\0a\0\0\0s\0\0\0d\0\0\0f\0\0\0b\0\0\0l\0\0\0a\0\0\0h\0\0\0q\0\0\0w\0\0\0e\0\0\0r";
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for (var i = 0; i < 10; i++) {
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utf32Data = utf32Data + utf32Data;
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var testBinaryData = "";
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for (var i = 0; i < 256; i++) {
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testBinaryData += String.fromCharCode(i);
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}
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while (testBinaryData.length < minFileSize) {
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testBinaryData = testBinaryData + testBinaryData;
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}
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var utf32File = createFileWithData(utf32Data, "001");
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//Obtain a variety of encodings so we can test async return values
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var file = createFileWithData(testData, "00");
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var domFileData = file.getAsDataURL();
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var domFileBinary = file.getAsBinary();
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var domFileBinary2 = utf16File.getAsBinary();
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var domFileBinary3 = utf32File.getAsBinary();
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var request1 = new FileReader();
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is(request1.readyState, FileReader.EMPTY, "correct initial readyState");
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request1.onload = handleTextISO1;
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request1.readAsText(file, "iso-8859-1");
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is(request1.readyState, FileReader.LOADING, "correct loading readyState");
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var request2 = new FileReader();
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request2.onload = handleTextUTF8;
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request2.readAsText(file);
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var request3 = new FileReader();
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request3.onload = handleTextUTF8;
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request3.readAsText(file, "");
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var request4 = new FileReader();
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request4.onload = handleTextUTF8;
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request4.readAsText(file, "UTF-8");
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//Test a variety of encodings, and make sure they work properly
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//Also, test a variety of the same calls with different numbers of arguments
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var request5 = new FileReader();
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request5.onload = handleTextUTF16;
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request5.readAsText(utf16File, "UTF-16");
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var request6 = new FileReader();
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request6.onload = handleTextUTF32;
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request6.readAsText(utf32File, "UTF-32");
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//Test binary data accessor
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var request7 = new FileReader();
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is(request7.readyState, FileReader.EMPTY, "correct initial readyState");
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request7.onload = handleDataBinary;
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request7.readAsBinaryString(file);
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is(request7.readyState, FileReader.LOADING, "correct loading readyState");
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var request71 = new FileReader();
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request71.onload = handleDataBinary16;
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request71.readAsBinaryString(utf16File);
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var request72 = new FileReader();
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request72.onload = handleDataBinary32;
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request72.readAsBinaryString(utf32File);
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//Test data URI encoding on differing file sizes
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//Testing data URI when length % 3 == 0
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var request8 = new FileReader();
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request8.onload = handleDataURI;
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request8.readAsDataURL(file);
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//Testing data URI when length % 3 == 1
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var file2 = createFileWithData(testData2, "02");
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var domFileData1 = file2.getAsDataURL();
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var request9 = new FileReader();
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request9.onload = handleDataURI1;
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request9.readAsDataURL(file2);
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//Testing data URI when length % 3 == 2
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var file3 = createFileWithData(testData3, "03");
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var domFileData2 = file3.getAsDataURL();
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var request10 = new FileReader();
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request10.onload = handleDataURI2;
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request10.readAsDataURL(file3);
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//Test asynchronous property of file access
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var globalVar = 0;
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var request105 = new FileReader();
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request105.onload = incGlobalVar;
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request105.readAsText(file, "");
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is(globalVar, 0, "testing to make sure getAsText doesn't block subsequent execution");
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//Create second file for testing cancelReads()
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var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties);
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var testFile4 = dirSvc.get("ProfD", Components.interfaces.nsIFile);
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testFile4.append("testfile04");
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var outStream4 = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
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outStream4.init(testFile4, 0x02 | 0x08 | 0x20, 0666, 0);
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outStream4.write(testData, testData.length);
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outStream4.close();
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//Set up files for testing
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var asciiFile = createFileWithData(testASCIIData);
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var binaryFile = createFileWithData(testBinaryData);
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var fileList = document.getElementById('fileList');
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fileList.value = testFile4.path;
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var file4 = fileList.files[0];
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fileList.value = "/none/existing/path/fileAPI/testing";
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var nonExistingFile = fileList.files[0];
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var request11 = new FileReader();
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request11.onabort = handleCancel;
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request11.readAsText(file4);
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request11.abort();
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// Test that plain reading works and fires events as expected, both
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// for text and binary reading
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var onloadHasRunText = false;
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var onloadStartHasRunText = false;
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY, "correct initial text readyState");
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r.onload = getLoadHandler(testASCIIData, "plain reading");
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r.addEventListener("load", function() { onloadHasRunText = true }, false);
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r.addEventListener("loadstart", function() { onloadStartHasRunText = true }, false);
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r.readAsText(asciiFile);
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is(r.readyState, FileReader.LOADING, "correct loading text readyState");
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is(onloadHasRunText, false, "text loading must be async");
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is(onloadStartHasRunText, true, "text loadstart should fire sync");
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expectedTestCount++;
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//Test error handling - Note: currently throws exceptions
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/*testFile4.permissions = 0;
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var request12 = new FileReader();
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request12.onerror = handleSecurityError;
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request12.readAsText(file4, "");
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var onloadHasRunBinary = false;
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var onloadStartHasRunBinary = false;
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY, "correct initial binary readyState");
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r.addEventListener("load", function() { onloadHasRunBinary = true }, false);
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r.addEventListener("loadstart", function() { onloadStartHasRunBinary = true }, false);
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r.readAsBinaryString(binaryFile);
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r.onload = getLoadHandler(testBinaryData, "binary reading");
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is(r.readyState, FileReader.LOADING, "correct loading binary readyState");
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is(onloadHasRunBinary, false, "binary loading must be async");
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is(onloadStartHasRunBinary, true, "binary loadstart should fire sync");
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expectedTestCount++;
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testFile4.remove(false);
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var request13 = new FileReader();
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request13.onerror = handleNotFoundError;
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request13.readAsText(file4, "");*/
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//Corresponding callback functions
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function incGlobalVar(fileAsText) {
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globalVar++;
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// Test a variety of encodings, and make sure they work properly
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData, "no encoding reading");
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r.readAsText(asciiFile, "");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData, "iso8859 reading");
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r.readAsText(asciiFile, "iso-8859-1");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testTextData, "utf8 reading");
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r.readAsText(createFileWithData(convertToUTF8(testTextData)), "utf8");
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expectedTestCount++;
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r = new FileReader();
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r.readAsText(createFileWithData(convertToUTF16(testTextData)), "utf-16");
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r.onload = getLoadHandler(testTextData, "utf16 reading");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testTextData, "utf32 reading");
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r.readAsText(createFileWithData(convertToUTF32(testTextData)), "UTF-32");
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expectedTestCount++;
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//Test data-URI encoding on differing file sizes
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dataurldata = testBinaryData.substr(0, testBinaryData.length -
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testBinaryData.length % 3);
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is(dataurldata.length % 3, 0, "Want to test data with length % 3 == 0");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata),
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"dataurl reading, %3 = 0");
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r.readAsDataURL(createFileWithData(dataurldata));
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expectedTestCount++;
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dataurldata = testBinaryData.substr(0, testBinaryData.length - 2 -
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testBinaryData.length % 3);
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is(dataurldata.length % 3, 1, "Want to test data with length % 3 == 1");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata),
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"dataurl reading, %3 = 1");
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r.readAsDataURL(createFileWithData(dataurldata));
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expectedTestCount++;
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dataurldata = testBinaryData.substr(0, testBinaryData.length - 1 -
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testBinaryData.length % 3);
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is(dataurldata.length % 3, 2, "Want to test data with length % 3 == 2");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata),
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"dataurl reading, %3 = 2");
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r.readAsDataURL(createFileWithData(dataurldata));
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expectedTestCount++;
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// Test abort()
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var abortHasRun = false;
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var loadEndHasRun = false;
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r = new FileReader();
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r.onabort = function (event) {
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is(abortHasRun, false, "abort should only fire once");
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is(loadEndHasRun, false, "loadend shouldn't have fired yet");
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abortHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.code, FileError.ABORT_ERR, "error code set to CANCELED for canceled reads");
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is(event.target.result, null, "file data should be null on canceled reads");
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}
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function handleCancel(event) {
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var fileAsText = event.target.result;
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var error = event.target.error;
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is(error.code, FileError.ABORT_ERR, "error code set to CANCELED for canceled reads");
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is(fileAsText, null, "file data should be null on canceled reads");
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testHasRun();
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r.onloadend = function (event) {
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is(abortHasRun, true, "abort should fire before loadend");
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is(loadEndHasRun, false, "loadend should only fire once");
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loadEndHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.code, FileError.ABORT_ERR, "error code set to CANCELED for canceled reads");
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is(event.target.result, null, "file data should be null on canceled reads");
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}
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r.onload = function() { ok(false, "load should not fire for aborted reads") };
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r.onerror = function() { ok(false, "error should not fire for aborted reads") };
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r.onprogress = function() { ok(false, "progress should not fire for aborted reads") };
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r.abort();
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is(abortHasRun, false, "abort() is a no-op unless loading");
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r.readAsText(asciiFile);
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r.abort();
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is(abortHasRun, true, "abort should fire sync");
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is(loadEndHasRun, true, "loadend should fire sync");
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function handleTextISO1(event) {
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is(event.target.readyState, FileReader.DONE, "correct final readyState");
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var fileAsText = event.target.result;
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var error = event.target.error;
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is(error, null, "error code set to null for successful data accesses");
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is(testData.length, fileAsText.length, "iso-1 async length should match testdata");
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is(testData, fileAsText, "iso-1 async string result should match testdata");
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testHasRun();
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// Test calling readAsX to cause abort()
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var reuseAbortHasRun = false;
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r = new FileReader();
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r.onabort = function (event) {
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is(reuseAbortHasRun, false, "abort should only fire once");
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reuseAbortHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.code, FileError.ABORT_ERR, "error code set to CANCELED for canceled reads");
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is(event.target.result, null, "file data should be null on canceled reads");
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}
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r.onload = function() { ok(false, "load should not fire for aborted reads") };
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r.abort();
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is(reuseAbortHasRun, false, "abort() is a no-op unless loading");
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r.readAsText(asciiFile);
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r.readAsText(asciiFile);
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is(reuseAbortHasRun, true, "abort should fire sync");
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r.onload = getLoadHandler(testASCIIData, "reuse-as-abort reading");
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expectedTestCount++;
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function handleTextUTF8(event) {
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var fileAsUTF8 = event.target.result;
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var error = event.target.error;
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is(error, null, "error code set to null for successful data accesses");
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is(testData.length, fileAsUTF8.length, "UTF-8 async length should match testdata");
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is(testData, fileAsUTF8, "UTF-8 async string result should match testdata");
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testHasRun();
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// Test reading from non-existing files
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r = new FileReader();
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var didThrow = false;
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try {
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r.readAsDataURL(nonExistingFile);
|
||||
} catch(ex) {
|
||||
didThrow = true;
|
||||
}
|
||||
// Once this test passes, we shoud test that onerror gets called and
|
||||
// that the FileReader object is in the right state during that call.
|
||||
todo(!didThrow, "shouldn't throw when opening non-existing file, should fire error instead");
|
||||
|
||||
function handleTextUTF16(event) {
|
||||
var fileAsUTF16 = event.target.result;
|
||||
var error = event.target.error;
|
||||
is(error, null, "error code set to SUCCESS for successful data accesses");
|
||||
is(testData.length, fileAsUTF16.length, "UTF-16 async length should match testdata");
|
||||
is(testData, fileAsUTF16, "UTF-16 async string result should match testdata");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleTextUTF32(event) {
|
||||
var fileAsUTF32 = event.target.result;
|
||||
var error = event.target.error;
|
||||
is(error, null, "error code set to SUCCESS for successful data accesses");
|
||||
is(testData.length, fileAsUTF32.length, "UTF-32 async length should match testdata");
|
||||
is(testData, fileAsUTF32, "UTF-32 async string result should match testdata");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
//Tests dataURI.length % 3 == 0
|
||||
function handleDataURI(event) {
|
||||
var fileAsDataURI = event.target.result;
|
||||
is(domFileData.length, fileAsDataURI.length, "data URI async length should match dom file data");
|
||||
is(domFileData, fileAsDataURI, "data URI async string result should match dom file data");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
//Tests dataURI.length % 3 == 1
|
||||
function handleDataURI1(event) {
|
||||
var fileAsDataURI = event.target.result;
|
||||
is(domFileData1.length, fileAsDataURI.length, "data URI async length should match dom file data1");
|
||||
is(domFileData1, fileAsDataURI, "data URI async string result should match dom file data1");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
//Tests dataURI.length % 3 == 2
|
||||
function handleDataURI2(event) {
|
||||
var fileAsDataURI = event.target.result;
|
||||
is(domFileData2.length, fileAsDataURI.length, "data URI async length should match dom file data2");
|
||||
is(domFileData2, fileAsDataURI, "data URI async string result should match dom file data2");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleDataBinary(event) {
|
||||
is(event.target.readyState, FileReader.DONE, "correct final readyState");
|
||||
var fileAsBinary = event.target.result;
|
||||
is(domFileBinary.length, fileAsBinary.length, "binary data async length should match dom file binary");
|
||||
is(domFileBinary, fileAsBinary, "binary data async string result should match dom file binary");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleDataBinary16(event) {
|
||||
var fileAsBinary = event.target.result;
|
||||
is(domFileBinary2.length, fileAsBinary.length, "binary data async length should match dom file binary16");
|
||||
is(domFileBinary2, fileAsBinary, "binary data async string result should match dom file binary16");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleDataBinary32(event) {
|
||||
var fileAsBinary = event.target.result;
|
||||
is(domFileBinary3.length, fileAsBinary.length, "binary data async length should match dom file binary32");
|
||||
is(domFileBinary3, fileAsBinary, "binary data async string result should match dom file binary32");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleSecurityError(event) {
|
||||
var fileAsText = event.target.result;
|
||||
var error = event.target.error;
|
||||
is(error.code, FileError.SECURITY_ERR, "code for file security error should have value 18");
|
||||
is(fileAsText, null, "file content should be null when error is encountered");
|
||||
testHasRun();
|
||||
}
|
||||
|
||||
function handleNotFoundError(event) {
|
||||
var fileAsText = event.target.result;
|
||||
var error = event.target.error;
|
||||
is(error.code, FileError.NOT_FOUND_ERR, "code for file not found error should have value 8");
|
||||
is(fileAsText, null, "file content should be null when error is encountered");
|
||||
testHasRun();
|
||||
function getLoadHandler(expectedResult, testName) {
|
||||
return function (event) {
|
||||
is(event.target.readyState, FileReader.DONE,
|
||||
"readyState in test " + testName);
|
||||
is(event.target.error, null,
|
||||
"no error in test " + testName);
|
||||
is(event.target.result, expectedResult,
|
||||
"result in test " + testName);
|
||||
testHasRun();
|
||||
}
|
||||
}
|
||||
|
||||
function testHasRun() {
|
||||
if (++testCounter == 13) SimpleTest.finish();
|
||||
//alert(testRanCounter);
|
||||
++testRanCounter;
|
||||
if (testRanCounter == expectedTestCount) {
|
||||
is(onloadHasRunText, true, "onload text should have fired by now");
|
||||
is(onloadHasRunBinary, true, "onload binary should have fired by now");
|
||||
SimpleTest.finish();
|
||||
}
|
||||
}
|
||||
|
||||
function createFileWithData(fileData, fileNum) {
|
||||
function createFileWithData(fileData) {
|
||||
var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties);
|
||||
var testFile = dirSvc.get("ProfD", Components.interfaces.nsIFile);
|
||||
testFile.append("testfile" + fileNum);
|
||||
testFile.append("fileAPItestfile" + fileNum);
|
||||
fileNum++;
|
||||
var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"].createInstance(Components.interfaces.nsIFileOutputStream);
|
||||
outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
|
||||
0666, 0);
|
||||
@ -298,6 +247,32 @@ function createFileWithData(fileData, fileNum) {
|
||||
return fileList.files[0];
|
||||
}
|
||||
|
||||
function convertToUTF16(s) {
|
||||
res = "";
|
||||
for (var i = 0; i < s.length; ++i) {
|
||||
c = s.charCodeAt(i);
|
||||
res += String.fromCharCode(c >>> 8, c & 255);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
function convertToUTF32(s) {
|
||||
res = "";
|
||||
for (var i = 0; i < s.length; ++i) {
|
||||
c = s.charCodeAt(i);
|
||||
res += "\0\0" + String.fromCharCode(c >>> 8, c & 255);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
function convertToUTF8(s) {
|
||||
return unescape(encodeURIComponent(s));
|
||||
}
|
||||
|
||||
function convertToDataURL(s) {
|
||||
return "data:application/octet-stream;base64," + btoa(s);
|
||||
}
|
||||
|
||||
</script>
|
||||
</pre>
|
||||
</body> </html>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user