test262/harness/sm/non262-shell.js

33 lines
996 B
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*---
defines: [assertThrowsValue]
allow_unused: True
---*/
(function() {
const undefined = void 0;
if (typeof globalThis.assertThrowsValue === 'undefined') {
globalThis.assertThrowsValue = function assertThrowsValue(f, val, msg) {
var fullmsg;
try {
f();
} catch (exc) {
if ((exc === val) === (val === val) && (val !== 0 || 1 / exc === 1 / val))
return;
fullmsg = "Assertion failed: expected exception " + val + ", got " + exc;
}
if (fullmsg === undefined)
fullmsg = "Assertion failed: expected exception " + val + ", no exception thrown";
if (msg !== undefined)
fullmsg += " - " + msg;
throw new Error(fullmsg);
};
}
})();