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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: dom/workers/test/chrome.toml
<?xml version="1.0"?>
<!--
-->
<script type="application/javascript" src="dom_worker_helper.js"/>
<!-- test results are displayed in the html:body -->
<div id="content" style="display: none">
<input id="fileList" type="file"></input>
</div>
</body>
<!-- test code goes here -->
<script type="application/javascript">
<![CDATA[
var fileNum = 0;
/**
* Create a file which contains the given data and optionally adds the specified file extension.
*/
function createFileWithData(fileData, /** optional */ extension) {
var testFile = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties)
.get("ProfD", Ci.nsIFile);
var fileExtension = (extension == undefined) ? "" : "." + extension;
testFile.append("workerSlice" + fileNum++ + fileExtension);
var outStream = Cc["@mozilla.org/network/file-output-stream;1"]
.createInstance(Ci.nsIFileOutputStream);
outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
0o666, 0);
outStream.write(fileData, fileData.length);
outStream.close();
var fileList = document.getElementById('fileList');
fileList.value = testFile.path;
return fileList.files[0];
}
/**
* Starts a worker which slices the blob to the given start offset and optional end offset and
* content type. It then verifies that the size and type of the sliced blob is correct.
*/
function createSlice(blob, start, expectedLength, /** optional */ end, /** optional */ contentType) {
var worker = new Worker("fileSlice_worker.js");
worker.onerror = function(event) {
ok(false, "Worker had an error: " + event.message);
finish();
};
worker.onmessage = function(event) {
is(event.data.size, expectedLength, "size property of slice is incorrect.");
is(event.data.type, contentType ? contentType : blob.type, "type property of slice is incorrect.");
finish();
};
var params = {blob, start, end, contentType};
worker.postMessage(params);
waitForWorkerFinish();
}
// Empty file.
createSlice(createFileWithData(""), 0, 0, 0);
// Typical use case.
createSlice(createFileWithData("Hello"), 1, 1, 2);
// Longish file.
var text = "";
for (var i = 0; i < 10000; ++i) {
text += "long";
}
createSlice(createFileWithData(text), 2000, 2000, 4000);
// Slice to different type.
createSlice(createFileWithData("text", "txt"), 0, 2, 2, "image/png");
// Length longer than blob.
createSlice(createFileWithData("text"), 0, 4, 20);
// Start longer than blob.
createSlice(createFileWithData("text"), 20, 0, 4);
// No optional arguments
createSlice(createFileWithData("text"), 0, 4);
createSlice(createFileWithData("text"), 2, 2);
]]>
</script>
</window>