| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>FileAPI Test: filereader_abort</title> |
| <link rel="author" title="Intel" href="http://www.intel.com"> |
| <link rel="help" href="http://dev.w3.org/2006/webapi/FileAPI/#abort"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="log"></div> |
| |
| <script> |
| test(function() { |
| var readerNoRead = new FileReader(); |
| readerNoRead.abort(); |
| assert_equals(readerNoRead.readyState, readerNoRead.EMPTY); |
| assert_equals(readerNoRead.result, null); |
| }, "Aborting before read"); |
| |
| promise_test(t => { |
| var blob = new Blob(["TEST THE ABORT METHOD"]); |
| var readerAbort = new FileReader(); |
| |
| var eventWatcher = new EventWatcher(t, readerAbort, |
| ['abort', 'loadstart', 'loadend', 'error', 'load']); |
| |
| // EventWatcher doesn't let us inspect the state after the abort event, |
| // so add an extra event handler for that. |
| readerAbort.addEventListener('abort', t.step_func(e => { |
| assert_equals(readerAbort.readyState, readerAbort.DONE); |
| })); |
| |
| readerAbort.readAsText(blob); |
| return eventWatcher.wait_for('loadstart') |
| .then(() => { |
| assert_equals(readerAbort.readyState, readerAbort.LOADING); |
| // 'abort' and 'loadend' events are dispatched synchronously, so |
| // call wait_for before calling abort. |
| var nextEvent = eventWatcher.wait_for(['abort', 'loadend']); |
| readerAbort.abort(); |
| return nextEvent; |
| }) |
| .then(() => { |
| // https://www.w3.org/Bugs/Public/show_bug.cgi?id=24401 |
| assert_equals(readerAbort.result, null); |
| assert_equals(readerAbort.readyState, readerAbort.DONE); |
| }); |
| }, "Aborting after read"); |
| </script> |
| </body> |
| </html> |
