| <!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'); |
| }); |
| var x |
| assert_throws(new TypeError(), function() { |
| new ReadableStream(x); |
| }); |
| assert_throws(new TypeError(), function() { |
| new ReadableStream(null); |
| }); |
| }, 'ReadableStream constructor should get an object as argument'); |
| |
| test(function() { |
| new ReadableStream(); |
| }, 'ReadableStream can be constructed with no arguments'); |
| |
| test(function() { |
| rs = new ReadableStream(); |
| assert_array_equals(Object.getOwnPropertyNames(rs), []); |
| assert_array_equals(Object.getOwnPropertyNames(Object.getPrototypeOf(rs)), ['constructor','cancel', 'getReader', 'pipeTo', 'pipeThrough']); |
| |
| 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), 'getReader').enumerable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'getReader').configurable); |
| assert_true(Object.getOwnPropertyDescriptor(Object.getPrototypeOf(rs), 'getReader').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); |
| |
| assert_equals(typeof rs.cancel, 'function', 'has an cancel method'); |
| assert_equals(rs.cancel.length, 1); |
| assert_equals(typeof rs.getReader, 'function', 'has a getReader method'); |
| assert_equals(rs.getReader.length, 0); |
| assert_equals(typeof rs.pipeTo, 'function', 'has a pipeTo method'); |
| assert_equals(rs.pipeTo.length, 2); |
| assert_equals(typeof rs.pipeThrough, 'function', 'has a pipeThrough method'); |
| assert_equals(rs.pipeThrough.length, 2); |
| |
| }, 'ReadableStream instances should have the correct list of properties'); |
| |
| test(function() { |
| new ReadableStream({ }); |
| }, 'ReadableStream can be constructed with an empty object as argument'); |
| |
| </script> |
