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// META: title=FileReader: starting new reads while one is in progress
test(function() {
var blob_1 = new Blob(['TEST000000001'])
var blob_2 = new Blob(['TEST000000002'])
var reader = new FileReader();
reader.readAsText(blob_1)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
assert_throws_dom("InvalidStateError", function () {
reader.readAsText(blob_2)
})
}, 'test FileReader InvalidStateError exception for readAsText');
test(function() {
var blob_1 = new Blob(['TEST000000001'])
var blob_2 = new Blob(['TEST000000002'])
var reader = new FileReader();
reader.readAsDataURL(blob_1)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
assert_throws_dom("InvalidStateError", function () {
reader.readAsDataURL(blob_2)
})
}, 'test FileReader InvalidStateError exception for readAsDataURL');
test(function() {
var blob_1 = new Blob(['TEST000000001'])
var blob_2 = new Blob(['TEST000000002'])
var reader = new FileReader();
reader.readAsArrayBuffer(blob_1)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
assert_throws_dom("InvalidStateError", function () {
reader.readAsArrayBuffer(blob_2)
})
}, 'test FileReader InvalidStateError exception for readAsArrayBuffer');
async_test(function() {
var blob_1 = new Blob(['TEST000000001'])
var blob_2 = new Blob(['TEST000000002'])
var reader = new FileReader();
var triggered = false;
reader.onloadstart = this.step_func_done(function() {
assert_false(triggered, "Only one loadstart event should be dispatched");
triggered = true;
assert_equals(reader.readyState, FileReader.LOADING,
"readyState must be LOADING")
assert_throws_dom("InvalidStateError", function () {
reader.readAsArrayBuffer(blob_2)
})
});
reader.readAsArrayBuffer(blob_1)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
}, 'test FileReader InvalidStateError exception in onloadstart event for readAsArrayBuffer');
async_test(function() {
var blob_1 = new Blob(['TEST000000001'])
var blob_2 = new Blob(['TEST000000002'])
var reader = new FileReader();
reader.onloadend = this.step_func_done(function() {
assert_equals(reader.readyState, FileReader.DONE,
"readyState must be DONE")
reader.readAsArrayBuffer(blob_2)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
});
reader.readAsArrayBuffer(blob_1)
assert_equals(reader.readyState, FileReader.LOADING, "readyState Must be LOADING")
}, 'test FileReader no InvalidStateError exception in loadend event handler for readAsArrayBuffer');
async_test(function() {
var blob_1 = new Blob([new Uint8Array(0x414141)]);
var blob_2 = new Blob(['TEST000000002']);
var reader = new FileReader();
reader.onloadstart = this.step_func(function() {
reader.abort();
reader.onloadstart = null;
reader.onloadend = this.step_func_done(function() {
assert_equals('TEST000000002', reader.result);
});
reader.readAsText(blob_2);
});
reader.readAsText(blob_1);
}, 'test abort and restart in onloadstart event for readAsText');
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