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