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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /workers/Worker-multi-port.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Test sending multiple ports through Worker.postMessage.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function(t) {
var worker = new Worker("support/Worker-thread-multi-port.js");
worker.onmessage = t.step_func_done(function(evt) {
assert_true(evt.data.startsWith('PASS'));
});
worker.postMessage("noport");
}, 'Test postMessage with no port.');
async_test(function(t) {
var worker = new Worker("support/Worker-thread-multi-port.js");
worker.onmessage = t.step_func_done(function(evt) {
assert_true(evt.data.startsWith('PASS'));
});
worker.postMessage("noargs");
}, 'Test postMessage with no arguments.');
async_test(function(t) {
var worker = new Worker("support/Worker-thread-multi-port.js");
worker.onmessage = t.step_func_done(function(evt) {
assert_true(evt.data.startsWith('PASS'));
});
worker.postMessage("zero ports", []);
}, 'Test postMessage with no ports and empty array.');
async_test(function(t) {
var worker = new Worker("support/Worker-thread-multi-port.js");
var channel = new MessageChannel();
worker.onmessage = t.step_func_done(function(evt) {
assert_true(evt.data.startsWith('PASS'));
});
worker.postMessage("two ports", [channel.port1, channel.port2]);
}, 'Test postMessage with two ports.');
test(() => {
var worker = new Worker("support/Worker-thread-multi-port.js");
assert_throws_js(TypeError,
function() { worker.postMessage(); },
'Empty postMessage should throw exception.');
}, 'Test empty postMessage throws exception.');
test(() => {
var worker = new Worker("support/Worker-thread-multi-port.js");
var channel = new MessageChannel();
assert_throws_js(TypeError,
function() { worker.postMessage("null port",
[channel.port1, null,
channel.port2]); },
'postMessage with null ports should throw exception.');
}, 'Test postMessage with null ports throws exception.');
test(() => {
var worker = new Worker("support/Worker-thread-multi-port.js")
var channel = new MessageChannel();
assert_throws_dom('DataCloneError',
function() { worker.postMessage("notAPort",
[channel.port1, {},
channel.port2]); },
'postMessage with incorrect ports should throw exception.');
}, 'Test postMessage with incorrect ports throws exception');
test(() => {
var worker = new Worker("support/Worker-thread-multi-port.js");
assert_throws_dom('DataCloneError',
function() { worker.postMessage("notASequence", [{length: 3}]) },
'postMessage without sequence should throw exception.');
}, 'Test postMessage without sequence throws exception');
async_test(function(t) {
var worker = new Worker("support/Worker-thread-multi-port.js");
var channel = new MessageChannel();
assert_throws_dom('DataCloneError',
function() { worker.postMessage("notAPort",
[channel.port1, {},
channel.port2]); },
'postMessage with incorrect ports should throw exception.');
worker.onmessage = t.step_func_done(function(evt) {
assert_true(evt.data.startsWith('PASS'));
});
worker.postMessage("failed ports", [channel.port1, channel.port2]);
}, 'Test postMessage on channel with previous failed postMessage calls.');
</script>