1 files changed, 81 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.any.js b/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.any.js
new file mode 100644
index 0000000000..4b19c69b42
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.any.js
@@ -0,0 +1,81 @@
+// 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');