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1 if (window.testRunner) { | 1 if (window.testRunner) { |
2 testRunner.dumpAsText(); | 2 testRunner.dumpAsText(); |
3 testRunner.waitUntilDone(); | 3 testRunner.waitUntilDone(); |
4 } | 4 } |
5 | 5 |
6 description("This test checks the various use cases around sending multiple port
s through MessagePort.postMessage"); | 6 description("This test checks the various use cases around sending multiple port
s through MessagePort.postMessage"); |
7 | 7 |
8 var channel = new MessageChannel(); | 8 var channel = new MessageChannel(); |
9 var channel2 = new MessageChannel(); | 9 var channel2 = new MessageChannel(); |
10 var channel3 = new MessageChannel(); | 10 var channel3 = new MessageChannel(); |
11 var channel4 = new MessageChannel(); | 11 var channel4 = new MessageChannel(); |
12 | 12 |
13 channel.port1.postMessage("noport"); | 13 channel.port1.postMessage("noport"); |
14 channel.port1.postMessage("zero ports", []); | 14 channel.port1.postMessage("zero ports", []); |
15 channel.port1.postMessage("two ports", [channel2.port1, channel2.port2]); | 15 channel.port1.postMessage("two ports", [channel2.port1, channel2.port2]); |
16 | 16 |
17 // Now test various failure cases | 17 // Now test various failure cases |
18 shouldThrow('channel.port1.postMessage("same port", [channel.port1])', '"DataClo
neError: Failed to execute \'postMessage\' on \'MessagePort\': Item #0 in the ar
ray of ports contains the source port."'); | 18 shouldThrow('channel.port1.postMessage("same port", [channel.port1])', '"DataClo
neError: Failed to execute \'postMessage\' on \'MessagePort\': Port at index 0 c
ontains the source port."'); |
19 shouldThrow('channel.port1.postMessage("null port", [channel3.port1, null, chann
el3.port2])', "'DataCloneError: An object could not be cloned.'"); | 19 shouldThrow('channel.port1.postMessage("null port", [channel3.port1, null, chann
el3.port2])', '"DataCloneError: Failed to execute \'postMessage\' on \'MessagePo
rt\': Value at index 1 is an untransferable \'null\' value."'); |
20 shouldThrow('channel.port1.postMessage("notAPort", [channel3.port1, {}, channel3
.port2])', "'DataCloneError: An object could not be cloned.'"); | 20 shouldThrow('channel.port1.postMessage("notAPort", [channel3.port1, {}, channel3
.port2])', '"DataCloneError: Failed to execute \'postMessage\' on \'MessagePort\
': Value at index 1 does not have a transferable type."'); |
21 shouldThrow('channel.port1.postMessage("duplicate port", [channel3.port1, channe
l3.port1])', "'DataCloneError: An object could not be cloned.'"); | 21 shouldThrow('channel.port1.postMessage("duplicate port", [channel3.port1, channe
l3.port1])', '"DataCloneError: Failed to execute \'postMessage\' on \'MessagePor
t\': Message port at index 1 is a duplicate of an earlier port."'); |
22 // Should be OK to send channel3.port1 (should not have been disentangled by the
previous failed calls). | 22 // Should be OK to send channel3.port1 (should not have been disentangled by the
previous failed calls). |
23 channel.port1.postMessage("entangled ports", [channel3.port1, channel3.port2]); | 23 channel.port1.postMessage("entangled ports", [channel3.port1, channel3.port2]); |
24 | 24 |
25 shouldThrow('channel.port1.postMessage("notAnArray", channel3.port1)', '"TypeErr
or: Failed to execute \'postMessage\' on \'MessagePort\': The 2nd argument is ne
ither an array, nor does it have indexed properties."'); | 25 shouldThrow('channel.port1.postMessage("notAnArray", channel3.port1)', '"TypeErr
or: Failed to execute \'postMessage\' on \'MessagePort\': The 2nd argument is ne
ither an array, nor does it have indexed properties."'); |
26 shouldThrow('channel.port1.postMessage("notASequence", [{length: 3}])', "'DataCl
oneError: An object could not be cloned.'"); | 26 shouldThrow('channel.port1.postMessage("notASequence", [{length: 3}])', '"DataCl
oneError: Failed to execute \'postMessage\' on \'MessagePort\': Value at index 0
does not have a transferable type."'); |
27 | 27 |
28 // Should not crash (we should figure out that the array contains undefined | 28 // Should not crash (we should figure out that the array contains undefined |
29 // entries). | 29 // entries). |
30 var largePortArray = []; | 30 var largePortArray = []; |
31 largePortArray[1234567890] = channel4.port1; | 31 largePortArray[1234567890] = channel4.port1; |
32 shouldThrow('channel.port1.postMessage("largeSequence", largePortArray)', "'Data
CloneError: An object could not be cloned.'"); | 32 shouldThrow('channel.port1.postMessage("largeSequence", largePortArray)', '"Data
CloneError: Failed to execute \'postMessage\' on \'MessagePort\': Value at index
0 is an untransferable \'undefined\' value."'); |
33 | 33 |
34 channel.port1.postMessage("done"); | 34 channel.port1.postMessage("done"); |
35 | 35 |
36 function testTransfers() { | 36 function testTransfers() { |
37 var channel0 = new MessageChannel(); | 37 var channel0 = new MessageChannel(); |
38 | 38 |
39 var c1 = new MessageChannel(); | 39 var c1 = new MessageChannel(); |
40 channel0.port1.postMessage({id:"send-port", port:c1.port1}, [c1.port1]); | 40 channel0.port1.postMessage({id:"send-port", port:c1.port1}, [c1.port1]); |
41 var c2 = new MessageChannel(); | 41 var c2 = new MessageChannel(); |
42 channel0.port1.postMessage({id:"send-port-twice", port0:c2.port1, port1:c2.p
ort1}, [c2.port1]); | 42 channel0.port1.postMessage({id:"send-port-twice", port0:c2.port1, port1:c2.p
ort1}, [c2.port1]); |
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137 if (event.ports.length == 2) | 137 if (event.ports.length == 2) |
138 testPassed("event.ports contains two ports when two ports re-sent af
ter error"); | 138 testPassed("event.ports contains two ports when two ports re-sent af
ter error"); |
139 else | 139 else |
140 testFailed("event.ports contained " + event.ports.length + " when tw
o ports re-sent after error"); | 140 testFailed("event.ports contained " + event.ports.length + " when tw
o ports re-sent after error"); |
141 } else if (event.data == "done") { | 141 } else if (event.data == "done") { |
142 testTransfers(); | 142 testTransfers(); |
143 } else | 143 } else |
144 testFailed("Received unexpected message: " + event.data); | 144 testFailed("Received unexpected message: " + event.data); |
145 } | 145 } |
146 | 146 |
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