mirror of https://github.com/tc39/test262.git
60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
// Copyright (C) 2020 ExE Boss. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: pending
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description: RegExp.leftContext throws a TypeError for non-%RegExp% receiver
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info: |
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get RegExp.leftContext
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1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpLeftContext]]).
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GetLegacyRegExpStaticProperty( C, thisValue, internalSlotName ).
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1. Assert C is an object that has an internal slot named internalSlotName.
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2. If SameValue(C, thisValue) is false, throw a TypeError exception.
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3. ...
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features: [legacy-regexp]
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---*/
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["leftContext", "$`"].forEach(function (property) {
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const desc = Object.getOwnPropertyDescriptor(RegExp, property);
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// Similar to the other test verifying the descriptor, but split as properties can be removed or changed
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assert.sameValue(typeof desc.get, "function", property + " getter");
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// If SameValue(C, thisValue) is false, throw a TypeError exception.
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assert.throws(
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TypeError,
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function () {
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desc.get();
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},
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"RegExp." + property + " getter throws for property descriptor receiver"
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);
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assert.throws(
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TypeError,
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function () {
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desc.get.call(/ /);
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},
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"RegExp." + property + " getter throws for RegExp instance receiver"
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);
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assert.throws(
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TypeError,
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function () {
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desc.get.call(RegExp.prototype);
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},
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"RegExp." + property + " getter throws for %RegExp.prototype% receiver"
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);
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[undefined, null, {}, true, false, 0, 1, "string"].forEach(function (value) {
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assert.throws(
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TypeError,
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function () {
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desc.get.call(value);
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},
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"RegExp." + property + ' getter throws for primitive "' + value + '" receiver'
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);
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});
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});
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