| <html> |
| <head> |
| <script src="../../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Test window.postMessage() argument handling."); |
| |
| self.jsTestIsAsync = true; |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function onmessage(evt) { |
| if (evt.ports) |
| debug("Received message '" + evt.data + "' with " + evt.ports.length + " ports."); |
| else |
| debug("Received message '" + evt.data); |
| |
| if (evt.data == 'done') |
| finishJSTest(); |
| } |
| |
| window.addEventListener('message', onmessage, false); |
| |
| function tryPostMessageFunction(postMessageFunction, first, second, third, shouldFail) { |
| var pass, reason; |
| try { |
| postMessageFunction(first, second, third); |
| pass = !shouldFail; |
| reason = " did not throw an exception"; |
| } catch (e) { |
| pass = shouldFail; |
| reason = ": threw exception " + e; |
| } |
| if (pass) |
| testPassed("Posting message ('" + first + "', " + third + ")" + reason); |
| else |
| testFailed("Posting message ('" + first + "', " + third + ")" + reason); |
| } |
| |
| function tryPostMessage(first, second, third, shouldFail) { |
| tryPostMessageFunction(window.postMessage, first, second, third, shouldFail); |
| } |
| |
| document.getElementById("description").innerHTML = "Test that the second argument of window.postMessage is ignored or triggers an error if it is not a message port. You should see PASS message '1' through '7', followed by 'done', with messages 4-7 received below.<br><br>"; |
| |
| tryPostMessage('1', '*', 1, true); |
| tryPostMessage('2', '*', 'c', true); |
| tryPostMessage('3', '*', { x: 1 }, true); |
| tryPostMessage('4', '*', window); // Passes because window has a "length" attribute of value '0', so it looks like an array |
| tryPostMessage('5', '*', undefined); |
| tryPostMessage('5a', '*', null, true); |
| tryPostMessage('6', '*', void 0); |
| var channel1 = new MessageChannel; |
| tryPostMessageFunction(window.postMessage, '7', '*', [channel1.port1, channel1.port2]); |
| var channel2 = new MessageChannel; |
| tryPostMessageFunction(window.postMessage, '7', '*', [channel2.port1, channel2.port2]); |
| var channel3 = new MessageChannel; |
| tryPostMessage(2147483648, '*', undefined); |
| tryPostMessage(2147483648, '*', null, true); |
| tryPostMessageFunction(window.postMessage, channel3.port1, '*', [channel3.port1, channel3.port2]); |
| var channel4 = new MessageChannel; |
| tryPostMessageFunction(window.postMessage, channel4.port1, '*', [channel4.port1, channel4.port2]); |
| var channel5 = new MessageChannel; |
| tryPostMessageFunction(window.postMessage, [channel5.port1, channel5.port2], '*', [channel5.port1, channel5.port2]); |
| tryPostMessageFunction(window.postMessage, 'data', '*', [channel5.port1, channel5.port2], true); |
| tryPostMessageFunction(window.postMessage, [channel5.port1, channel5.port2], '*', [], true); |
| |
| var arrayBuffer = new ArrayBuffer(30); |
| var int8View = new Int8Array(arrayBuffer, 2, 10); |
| tryPostMessageFunction(window.postMessage, arrayBuffer, '*', [arrayBuffer]); |
| if (!(arrayBuffer.byteLength === 0)) |
| testFailed("arrayBuffer not neutered; byteLength = " + arrayBuffer.byteLength); |
| else |
| testPassed("arrayBuffer neutered"); |
| |
| if (!(int8View.length == 0)) |
| testFailed("view was not neutered; length = " + int8View.length); |
| else |
| testPassed("view neutered"); |
| |
| tryPostMessageFunction(window.postMessage, arrayBuffer, '*', [], true); |
| tryPostMessageFunction(window.postMessage, 'data', '*', [arrayBuffer], true); |
| |
| tryPostMessageFunction(window.postMessage, int8View, '*', [], true); |
| tryPostMessageFunction(window.postMessage, 'data', '*', [int8View], true); |
| |
| tryPostMessageFunction(window.postMessage, 'data', '*', {length:1}, true); |
| tryPostMessageFunction(window.postMessage, 'data', '*', [1,,2], true); |
| tryPostMessageFunction(window.postMessage, 'data', '*', [null, window.postMessage], true); |
| |
| shouldThrow("window.postMessage()"); |
| shouldThrow("window.postMessage('a')"); |
| |
| tryPostMessageFunction(window.postMessage, 'done', '*'); |
| </script> |
| </body> |
| </html> |
