Chris Dumez
026a76a27e
Automatic update from web-platform-tests WebKit export of https://bugs.webkit.org/show_bug.cgi?id=320623 (#61650) -- wpt-commits: f74a34fb6e5876f0957ef6b328efdbf1288feb66 wpt-pr: 61650
68 lines
2.8 KiB
JavaScript
68 lines
2.8 KiB
JavaScript
// META: title=FileAPI Test: filereader_abort
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test(function() {
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var readerNoRead = new FileReader();
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readerNoRead.abort();
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assert_equals(readerNoRead.readyState, readerNoRead.EMPTY);
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assert_equals(readerNoRead.result, null);
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}, "Aborting before read");
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promise_test(t => {
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var blob = new Blob(["TEST THE ABORT METHOD"]);
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var readerAbort = new FileReader();
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var eventWatcher = new EventWatcher(t, readerAbort,
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['abort', 'loadstart', 'loadend', 'error', 'load']);
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// EventWatcher doesn't let us inspect the state after the abort event,
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// so add an extra event handler for that.
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readerAbort.addEventListener('abort', t.step_func(e => {
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assert_equals(readerAbort.readyState, readerAbort.DONE);
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}));
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readerAbort.readAsText(blob);
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return eventWatcher.wait_for('loadstart')
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.then(() => {
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assert_equals(readerAbort.readyState, readerAbort.LOADING);
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// 'abort' and 'loadend' events are dispatched synchronously, so
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// call wait_for before calling abort.
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var nextEvent = eventWatcher.wait_for(['abort', 'loadend']);
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readerAbort.abort();
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return nextEvent;
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})
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.then(() => {
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// https://www.w3.org/Bugs/Public/show_bug.cgi?id=24401
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assert_equals(readerAbort.result, null);
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assert_equals(readerAbort.readyState, readerAbort.DONE);
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});
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}, "Aborting after read");
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promise_test(t => {
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var reader = new FileReader();
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var eventWatcher = new EventWatcher(t, reader,
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['abort', 'loadstart', 'loadend', 'error', 'load']);
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// First read: run to completion so the reader reaches the DONE state.
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reader.readAsText(new Blob(["first read"]));
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return eventWatcher.wait_for('loadstart')
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.then(() => eventWatcher.wait_for('load'))
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.then(() => eventWatcher.wait_for('loadend'))
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.then(() => {
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assert_equals(reader.readyState, reader.DONE);
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// Reuse the same reader for a second read and abort it while it is
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// still LOADING. 'abort' and 'loadend' are dispatched synchronously,
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// so call wait_for before calling abort.
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reader.readAsText(new Blob(["second read"]));
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assert_equals(reader.readyState, reader.LOADING);
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var nextEvent = eventWatcher.wait_for(['abort', 'loadend']);
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reader.abort();
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return nextEvent;
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})
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.then(() => {
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assert_equals(reader.result, null);
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assert_equals(reader.readyState, reader.DONE);
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});
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}, "Aborting a reused reader after a previous read completed");
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