mirror of https://github.com/tc39/test262.git
57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
// Copyright (C) 2015 the V8 project authors. 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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description: Initialization from a RegExp-like object
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es6id: 21.2.3.1
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info: |
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1. Let patternIsRegExp be IsRegExp(pattern).
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[...]
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6. Else if patternIsRegExp is true, then
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a. Let P be Get(pattern, "source").
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b. ReturnIfAbrupt(P).
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c. If flags is undefined, then
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i. Let F be Get(pattern, "flags").
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ii. ReturnIfAbrupt(F).
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d. Else, let F be flags.
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[...]
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10. Return RegExpInitialize(O, P, F).
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features: [Symbol, Symbol.match]
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---*/
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var obj = {
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source: 'source text',
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flags: 'i'
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};
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var result;
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obj[Symbol.match] = true;
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = 'string';
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = [];
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = Symbol();
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = 86;
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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