| <!DOCTYPE html> |
| <script src='../resources/testharness.js'></script> |
| <script src='../resources/testharnessreport.js'></script> |
| <script> |
| |
| test(function() { |
| assert_throws(new TypeError(), function() { |
| new ReadableStream('potato'); |
| }); |
| }, 'ReadableStream constructor should get an object as argument'); |
| |
| test(function() { |
| rs = new ReadableStream(); |
| assert_array_equals(Object.getOwnPropertyNames(rs), ['closed', 'ready']); |
| assert_array_equals(Object.getOwnPropertyNames(Object.getPrototypeOf(rs)), ['constructor','state', 'read', 'cancel', 'pipeTo', 'pipeThrough']); |
| |
| assert_true(Object.getOwnPropertyDescriptor(rs, 'closed').enumerable); |
| assert_false(Object.getOwnPropertyDescriptor(rs, 'closed').configurable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(rs, 'ready').enumerable); |
| assert_false(Object.getOwnPropertyDescriptor(rs, 'ready').configurable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'state').enumerable); |
| assert_false(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'state').configurable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'read').enumerable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'read').configurable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'read').writable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'cancel').enumerable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'cancel').configurable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'cancel').writable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeTo').enumerable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeTo').configurable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeTo').writable); |
| |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeThrough').enumerable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeThrough').configurable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'pipeThrough').writable); |
| }, 'ReadableStream instances should have the correct list of properties'); |
| |
| // The following two tests are derived from https://github.com/whatwg/streams/blob/master/reference-implementation/test/readable-stream.js |
| test(function() { |
| new ReadableStream(); |
| }, 'ReadableStream can be constructed with no arguments'); |
| |
| test(function() { |
| rs = new ReadableStream(); |
| assert_equals(typeof rs.read, 'function', 'has a read method'); |
| assert_equals(typeof rs.cancel, 'function', 'has an cancel method'); |
| assert_equals(typeof rs.pipeTo, 'function', 'has a pipeTo method'); |
| assert_equals(typeof rs.pipeThrough, 'function', 'has a pipeThrough method'); |
| assert_equals(rs.state, 'waiting', 'state starts out waiting'); |
| assert_exists(rs, 'ready', 'has a ready property'); |
| assert_equals(typeof rs.ready.then, 'function', 'ready property is a thenable'); |
| assert_exists(rs, 'closed', 'has a closed property'); |
| assert_equals(typeof rs.closed.then, 'function', 'closed property is thenable'); |
| }, 'ReadableStream instances have the correct methods and properties'); |
| |
| </script> |
