// 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); });