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73 lines
3 KiB
HTML
73 lines
3 KiB
HTML
<!DOCTYPE html>
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<title>FileReader: starting new reads while one is in progress</title>
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<link rel="author" title="Yinkan Li" href="mailto:liyinkan.biz@gmail.com">
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<link rel="help" href="http://dev.w3.org/2006/webapi/FileAPI/#MultipleReads">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<script>
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test(function() {
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var blob_1 = new Blob(['TEST000000001'])
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var blob_2 = new Blob(['TEST000000002'])
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var reader = new FileReader();
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reader.readAsText(blob_1)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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assert_throws("InvalidStateError", function () {
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reader.readAsText(blob_2)
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})
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}, 'test FileReader InvalidStateError exception for readAsText');
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test(function() {
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var blob_1 = new Blob(['TEST000000001'])
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var blob_2 = new Blob(['TEST000000002'])
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var reader = new FileReader();
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reader.readAsDataURL(blob_1)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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assert_throws("InvalidStateError", function () {
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reader.readAsDataURL(blob_2)
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})
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}, 'test FileReader InvalidStateError exception for readAsDataURL');
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test(function() {
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var blob_1 = new Blob(['TEST000000001'])
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var blob_2 = new Blob(['TEST000000002'])
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var reader = new FileReader();
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reader.readAsArrayBuffer(blob_1)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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assert_throws("InvalidStateError", function () {
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reader.readAsArrayBuffer(blob_2)
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})
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}, 'test FileReader InvalidStateError exception for readAsArrayBuffer');
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async_test(function() {
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var blob_1 = new Blob(['TEST000000001'])
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var blob_2 = new Blob(['TEST000000002'])
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var reader = new FileReader();
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var triggered = false;
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reader.onloadstart = this.step_func_done(function() {
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assert_false(triggered, "Only one loadstart event should be dispatched");
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triggered = true;
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assert_equals(reader.readyState, FileReader.LOADING,
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"readyState must be LOADING")
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assert_throws("InvalidStateError", function () {
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reader.readAsArrayBuffer(blob_2)
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})
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});
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reader.readAsArrayBuffer(blob_1)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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}, 'test FileReader InvalidStateError exception in onloadstart event for readAsArrayBuffer');
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async_test(function() {
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var blob_1 = new Blob(['TEST000000001'])
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var blob_2 = new Blob(['TEST000000002'])
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var reader = new FileReader();
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reader.onloadend = this.step_func_done(function() {
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assert_equals(reader.readyState, FileReader.DONE,
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"readyState must be DONE")
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reader.readAsArrayBuffer(blob_2)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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});
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reader.readAsArrayBuffer(blob_1)
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assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
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}, 'test FileReader no InvalidStateError exception in loadend event handler for readAsArrayBuffer');
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</script>
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