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33 lines
1.4 KiB
JavaScript
33 lines
1.4 KiB
JavaScript
// Copyright 2017 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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info: |
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RegExpInitialize ( obj, pattern, flags )
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5. If F contains any code unit other than "g", "i", "m", "s", "u", or "y" or if it contains the same code unit more than once, throw a SyntaxError exception.
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esid: sec-regexpinitialize
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description: Check that duplicate RegExp flags are disallowed
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features: [regexp-dotall, regexp-match-indices]
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---*/
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new RegExp("", "mig"); // single g will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "migg"), "duplicate g");
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new RegExp("", "i"); // single i will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "ii"), "duplicate i");
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new RegExp("", "m"); // single m will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "mm"), "duplicate m");
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new RegExp("", "s"); // single s will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "ss"), "duplicate s");
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new RegExp("", "u"); // single u will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "uu"), "duplicate u");
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new RegExp("", "y"); // single y will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "yy"), "duplicate y");
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new RegExp("", "d"); // single d will not throw SyntaxError
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assert.throws(SyntaxError, () => new RegExp("", "dd"), "duplicate d");
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