test262/test/built-ins/Atomics/wait/symbol-for-value-throws-agent.js
2018-04-19 15:09:39 -04:00

77 lines
1.9 KiB
JavaScript

// Copyright (C) 2018 Amal Hussein. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.wait
description: >
Throws a TypeError if value arg is a Symbol
info: |
Atomics.wait( typedArray, index, value, timeout )
3. Let v be ? ToInt32(value).
ToInt32(value)
1.Let number be ? ToNumber(argument).
Symbol --> Throw a TypeError exception.
features: [Atomics, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray]
includes: [ atomicsHelper.js ]
---*/
function getReport() {
var r;
while ((r = $262.agent.getReport()) == null) {
$262.agent.sleep(100);
}
return r;
}
$262.agent.start(
`
var poisonedValueOf = {
valueOf: function() {
throw new Test262Error("should not evaluate this code");
}
};
var poisonedToPrimitive = {
[Symbol.toPrimitive]: function() {
throw new Test262Error("passing a poisoned object using @@ToPrimitive");
}
};
$262.agent.receiveBroadcast(function (sab) {
var int32Array = new Int32Array(sab);
var start = Date.now();
try {
Atomics.wait(int32Array, 0, Symbol("1"), poisonedValueOf);
} catch (error) {
$262.agent.report('Symbol("1")');
}
try {
Atomics.wait(int32Array, 0, Symbol("2"), poisonedToPrimitive);
} catch (error) {
$262.agent.report('Symbol("2")');
}
$262.agent.report(Date.now() - start);
$262.agent.leaving();
});
`);
var int32Array = new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT));
$262.agent.broadcast(int32Array.buffer);
$262.agent.sleep(150);
assert.sameValue(getReport(), 'Symbol("1")');
assert.sameValue(getReport(), 'Symbol("2")');
var timeDiffReport = getReport();
assert(timeDiffReport >= 0, "timeout should be a min of 0ms");
assert(timeDiffReport <= $ATOMICS_MAX_TIME_EPSILON, "timeout should be a max of $$ATOMICS_MAX_TIME_EPSILON");
assert.sameValue(Atomics.wake(int32Array, 0), 0);