<!DOCTYPE html>
<title>Test Worker constructor functionality.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(() => {
assert_throws_js(Error,
function() {
new Worker({toString:function(){throw new Error()}})},
'toString exception should be propagated');
}, 'Test toString propagation exception.');
test(() => {
try {
var foo = {toString:function(){new Worker(foo)}};
new Worker(foo);
} catch(ex) {
assert_true(true, 'trying to create workers recursively should result in an: ' +
ex + 'exception.')
}
}, 'Test recursive Worker creation.');
test(() => {
assert_throws_js(TypeError,
function() { new Worker(); },
'invoking Worker constructor without arguments should result ' +
'in an exception.')
}, 'Test worker creation with no arguments');
async_test(t => {
var worker = new Worker('');
worker.onerror = function(e) {
e.preventDefault();
t.done();
}
}, 'Test Worker creation with empty script URL.');
test(() => {
assert_throws_dom("SyntaxError",
function() { var worker = new Worker('http://invalid:123$'); },
'Invoking Worker constructor with invalid script URL should ' +
'result in an exception.');
}, 'Test invalid script URL.');
async_test(t => {
var worker = new Worker('does-not-exist.js');
worker.onerror = function(e) {
t.done();
}
}, 'Test not existent script URL.');
test(() => {
var worker = new Worker('../../support/Worker-common.js');
assert_true('postMessage' in worker,
'worker.postMessage did not exist.');
assert_true('addEventListener' in worker,
'worker.addEventListener did not exist.');
}, 'Test the Worker object defines postMessage() and addEventListener().');
</script>
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