81 lines
3.2 KiB
JavaScript
81 lines
3.2 KiB
JavaScript
// META: title=FileReader: starting new reads while one is in progress
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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_dom("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_dom("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_dom("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_dom("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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async_test(function() {
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var blob_1 = new Blob([new Uint8Array(0x414141)]);
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var blob_2 = new Blob(['TEST000000002']);
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var reader = new FileReader();
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reader.onloadstart = this.step_func(function() {
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reader.abort();
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reader.onloadstart = null;
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reader.onloadend = this.step_func_done(function() {
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assert_equals('TEST000000002', reader.result);
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});
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reader.readAsText(blob_2);
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});
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reader.readAsText(blob_1);
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}, 'test abort and restart in onloadstart event for readAsText');
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