<!DOCTYPE html>
<script src='../resources/testharness.js'></script>
<script src='../resources/testharnessreport.js'></script>
<script>
// This is updated till https://github.com/whatwg/streams/commit/8d5f2ec3d74d501988e00b427468e11aa7855637

test(function() {
    const rs = new ReadableStream();
    const reader = rs.getReader();
    assert_equals(reader.constructor.name, 'ReadableStreamDefaultReader');
}, 'getReader() should return a ReadableStreamDefaultReader');

test(function() {
    const rs = new ReadableStream();
    assert_throws(new TypeError(), function() { rs.getReader({mode: 'byob'}) });
}, "getReader({mode: 'byob'}) should return a TypeError as BYOB reader is not yet implemented");

test(function() {
    const rs = new ReadableStream();
    // Any value different from undefined and 'byob' should throw a TypeError.
    assert_throws(new RangeError(), function() { rs.getReader({mode : 'aMode'}) });
}, "getReader({mode: 'aMode'}) should return a RangeError as 'aMode' is different from undefined and 'byob'");
</script>