2009-10-07 01:30:26 -07:00
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<!DOCTYPE HTML>
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<html>
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<head>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=414796
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-->
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<title>Test for Bug 414796</title>
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<script type="text/javascript" src="/MochiKit/packed.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=414796">Mozilla Bug 414796</a>
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<p id="display">
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<input id="fileList" type="file"></input>
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</p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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2009-11-21 03:56:31 -08:00
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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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2009-10-07 01:30:26 -07:00
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SimpleTest.waitForExplicitFinish();
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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2009-11-16 18:01:40 -08:00
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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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2009-11-21 03:56:31 -08:00
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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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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 01:27:02 -08:00
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2009-11-21 03:56:31 -08:00
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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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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 03:56:31 -08:00
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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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2009-11-21 01:27:02 -08:00
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}
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2009-11-21 03:56:31 -08:00
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while (testBinaryData.length < minFileSize) {
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testBinaryData = testBinaryData + testBinaryData;
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2009-11-21 01:27:02 -08:00
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}
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2009-11-21 03:56:31 -08:00
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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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2009-11-21 01:27:02 -08:00
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2009-11-21 03:56:31 -08:00
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var fileList = document.getElementById('fileList');
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fileList.value = "/none/existing/path/fileAPI/testing";
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var nonExistingFile = fileList.files[0];
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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, testASCIIData.length, "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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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, testBinaryData.length, "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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// 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, testASCIIData.length, "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, testASCIIData.length, "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,
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convertToUTF8(testTextData).length,
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"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,
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convertToUTF16(testTextData).length,
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"utf16 reading");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testTextData,
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convertToUTF32(testTextData).length,
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"utf32 reading");
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r.readAsText(createFileWithData(convertToUTF32(testTextData)), "UTF-32");
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expectedTestCount++;
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2009-11-22 11:05:12 -08:00
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// Test reusing a FileReader to read multiple times
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData,
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testASCIIData.length,
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2009-11-22 22:23:23 -08:00
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"to-be-reused reading text")
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2009-11-22 11:05:12 -08:00
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var makeAnotherReadListener = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener, false);
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2009-11-22 22:23:23 -08:00
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r.onload = getLoadHandler(testASCIIData,
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testASCIIData.length,
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"reused reading text");
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r.readAsText(asciiFile);
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};
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r.addEventListener("load", makeAnotherReadListener, false);
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r.readAsText(asciiFile);
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expectedTestCount += 2;
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r = new FileReader();
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r.onload = getLoadHandler(testBinaryData,
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testBinaryData.length,
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"to-be-reused reading binary")
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var makeAnotherReadListener2 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener2, false);
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2009-11-22 11:05:12 -08:00
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r.onload = getLoadHandler(testBinaryData,
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testBinaryData.length,
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2009-11-22 22:23:23 -08:00
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"reused reading binary");
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2009-11-22 11:05:12 -08:00
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r.readAsBinaryString(binaryFile);
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};
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2009-11-22 22:23:23 -08:00
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r.addEventListener("load", makeAnotherReadListener2, false);
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r.readAsBinaryString(binaryFile);
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expectedTestCount += 2;
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(testBinaryData),
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testBinaryData.length,
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"to-be-reused reading data url")
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var makeAnotherReadListener3 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener3, false);
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r.onload = getLoadHandler(convertToDataURL(testBinaryData),
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testBinaryData.length,
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"reused reading data url");
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r.readAsDataURL(binaryFile);
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};
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r.addEventListener("load", makeAnotherReadListener3, false);
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r.readAsDataURL(binaryFile);
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2009-11-22 11:05:12 -08:00
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expectedTestCount += 2;
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2009-11-21 03:56:31 -08:00
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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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dataurldata.length,
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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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dataurldata.length,
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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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dataurldata.length,
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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 ABORT for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 03:56:31 -08:00
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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 ABORT for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 03:56:31 -08:00
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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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// 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 ABORT for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 03:56:31 -08:00
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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, testASCIIData.length, "reuse-as-abort reading");
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expectedTestCount++;
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2010-05-23 12:26:15 -07:00
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// Test reading from nonexistent files
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2009-11-21 03:56:31 -08:00
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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);
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} catch(ex) {
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didThrow = true;
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2009-10-07 01:30:26 -07:00
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}
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2009-11-21 03:56:31 -08:00
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// Once this test passes, we shoud test that onerror gets called and
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// that the FileReader object is in the right state during that call.
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2010-05-23 12:26:15 -07:00
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todo(!didThrow, "shouldn't throw when opening nonexistent file, should fire error instead");
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2009-11-21 03:56:31 -08:00
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function getLoadHandler(expectedResult, expectedLength, testName) {
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return function (event) {
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is(event.target.readyState, FileReader.DONE,
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"readyState in test " + testName);
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is(event.target.error, null,
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"no error in test " + testName);
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is(event.target.result, expectedResult,
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"result in test " + testName);
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is(event.lengthComputable, true,
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"lengthComputable in test " + testName);
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is(event.loaded, expectedLength,
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"lengthComputable in test " + testName);
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is(event.total, expectedLength,
|
|
|
|
|
"lengthComputable in test " + testName);
|
|
|
|
|
testHasRun();
|
|
|
|
|
}
|
2009-10-07 01:30:26 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function testHasRun() {
|
2009-11-21 03:56:31 -08:00
|
|
|
//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();
|
|
|
|
|
}
|
2009-10-07 01:30:26 -07:00
|
|
|
}
|
|
|
|
|
|
2009-11-21 03:56:31 -08:00
|
|
|
function createFileWithData(fileData) {
|
2009-10-07 01:30:26 -07:00
|
|
|
var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties);
|
|
|
|
|
var testFile = dirSvc.get("ProfD", Components.interfaces.nsIFile);
|
2009-11-21 03:56:31 -08:00
|
|
|
testFile.append("fileAPItestfile" + fileNum);
|
|
|
|
|
fileNum++;
|
2009-10-07 01:30:26 -07:00
|
|
|
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);
|
|
|
|
|
outStream.write(fileData, fileData.length);
|
|
|
|
|
outStream.close();
|
|
|
|
|
|
|
|
|
|
var fileList = document.getElementById('fileList');
|
|
|
|
|
fileList.value = testFile.path;
|
|
|
|
|
|
|
|
|
|
return fileList.files[0];
|
|
|
|
|
}
|
|
|
|
|
|
2009-11-21 03:56:31 -08:00
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
2009-10-07 01:30:26 -07:00
|
|
|
</script>
|
|
|
|
|
</pre>
|
|
|
|
|
</body> </html>
|
