gecko-dev/testing/web-platform/tests/encoding/streams/readable-writable-properties.any.js
Adam Rice 4232406604 Bug 1482978 [wpt PR 12430] - Tests for TextEncoderStream and TextDecoderStream, a=testonly
Automatic update from web-platform-testsEncoding: TextEncoderStream and TextDecoderStream

The standard change that adds these classes is https://github.com/whatwg/encoding/pull/149.
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wpt-commits: 3ede6629030918b00941c2fb7d176a18cbea16ea
wpt-pr: 12430
2018-09-05 13:08:43 +00:00

22 lines
1 KiB
JavaScript

// META: global=worker
// This just tests that the "readable" and "writable" properties pass the brand
// checks. All other relevant attributes are covered by the IDL tests.
'use strict';
test(() => {
const te = new TextEncoderStream();
assert_equals(typeof ReadableStream.prototype.getReader.call(te.readable),
'object', 'readable property must pass brand check');
assert_equals(typeof WritableStream.prototype.getWriter.call(te.writable),
'object', 'writable property must pass brand check');
}, 'TextEncoderStream readable and writable properties must pass brand checks');
test(() => {
const td = new TextDecoderStream();
assert_equals(typeof ReadableStream.prototype.getReader.call(td.readable),
'object', 'readable property must pass brand check');
assert_equals(typeof WritableStream.prototype.getWriter.call(td.writable),
'object', 'writable property must pass brand check');
}, 'TextDecoderStream readable and writable properties must pass brand checks');