1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/reading-data-section/filereader_readAsBinaryString.any.js b/testing/web-platform/tests/FileAPI/reading-data-section/filereader_readAsBinaryString.any.js
new file mode 100644
index 0000000000..e69ff15e75
--- /dev/null
+++ b/testing/web-platform/tests/FileAPI/reading-data-section/filereader_readAsBinaryString.any.js
@@ -0,0 +1,23 @@
+// META: title=FileAPI Test: filereader_readAsBinaryString
+
+async_test(t => {
+  const blob = new Blob(["σ"]);
+  const reader = new FileReader();
+
+  reader.onload = t.step_func_done(() => {
+    assert_equals(typeof reader.result, "string", "The result is string");
+    assert_equals(reader.result.length, 2, "The result length is 2");
+    assert_equals(reader.result, "\xcf\x83", "The result is \xcf\x83");
+    assert_equals(reader.readyState, reader.DONE);
+  });
+
+  reader.onloadstart = t.step_func(() => {
+    assert_equals(reader.readyState, reader.LOADING);
+  });
+
+  reader.onprogress = t.step_func(() => {
+    assert_equals(reader.readyState, reader.LOADING);
+  });
+
+  reader.readAsBinaryString(blob);
+});