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diff --git a/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.html b/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.html
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index 000000000..86a29d187
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+++ b/testing/web-platform/tests/FileAPI/reading-data-section/FileReader-multiple-reads.html
@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+<title>FileReader: starting new reads while one is in progress</title>
+<link rel="author" title="Yinkan Li" href="mailto:liyinkan.biz@gmail.com">
+<link rel="help" href="http://dev.w3.org/2006/webapi/FileAPI/#MultipleReads">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+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("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("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("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("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.LOADING,
+                  "readyState must be LOADING")
+    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 onloadstart event for readAsArrayBuffer');
+</script>