1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/reading-data-section/filereader_abort.any.js b/testing/web-platform/tests/FileAPI/reading-data-section/filereader_abort.any.js
new file mode 100644
index 0000000000..c778ae55bb
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/reading-data-section/filereader_abort.any.js
@@ -0,0 +1,38 @@
+// META: title=FileAPI Test: filereader_abort
+
+    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");