1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/FileReaderSync.worker.js b/testing/web-platform/tests/FileAPI/FileReaderSync.worker.js
new file mode 100644
index 0000000000..3d7a0222f3
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/FileReaderSync.worker.js
@@ -0,0 +1,56 @@
+importScripts("/resources/testharness.js");
+
+var blob, empty_blob, readerSync;
+setup(() => {
+    readerSync = new FileReaderSync();
+    blob = new Blob(["test"]);
+    empty_blob = new Blob();
+});
+
+test(() => {
+    assert_true(readerSync instanceof FileReaderSync);
+}, "Interface");
+
+test(() => {
+    var text = readerSync.readAsText(blob);
+    assert_equals(text, "test");
+}, "readAsText");
+
+test(() => {
+    var text = readerSync.readAsText(empty_blob);
+    assert_equals(text, "");
+}, "readAsText with empty blob");
+
+test(() => {
+    var data = readerSync.readAsDataURL(blob);
+    assert_equals(data.indexOf("data:"), 0);
+}, "readAsDataURL");
+
+test(() => {
+    var data = readerSync.readAsDataURL(empty_blob);
+    assert_equals(data.indexOf("data:"), 0);
+}, "readAsDataURL with empty blob");
+
+test(() => {
+    var data = readerSync.readAsBinaryString(blob);
+    assert_equals(data, "test");
+}, "readAsBinaryString");
+
+test(() => {
+    var data = readerSync.readAsBinaryString(empty_blob);
+    assert_equals(data, "");
+}, "readAsBinaryString with empty blob");
+
+test(() => {
+    var data = readerSync.readAsArrayBuffer(blob);
+    assert_true(data instanceof ArrayBuffer);
+    assert_equals(data.byteLength, "test".length);
+}, "readAsArrayBuffer");
+
+test(() => {
+    var data = readerSync.readAsArrayBuffer(empty_blob);
+    assert_true(data instanceof ArrayBuffer);
+    assert_equals(data.byteLength, 0);
+}, "readAsArrayBuffer with empty blob");
+
+done();