node/deps/v8/test/mjsunit/es6/pattern-brand-check.js
Michaël Zasso ec02b811a8 deps: update V8 to 5.4.500.27
Pick up latest commit from the 5.4-lkgr branch.

deps: edit V8 gitignore to allow trace event copy
deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8
deps: edit V8 gitignore to allow gtest_prod.h copy
deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87

PR-URL: https://github.com/nodejs/node/pull/8317
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
2016-09-22 09:51:19 +02:00

53 lines
1.3 KiB
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function createNonRegExp(calls) {
return {
get [Symbol.match]() {
calls.push("@@match");
return undefined;
},
get [Symbol.replace]() {
calls.push("@@replace");
return undefined;
},
get [Symbol.search]() {
calls.push("@@search");
return undefined;
},
get [Symbol.split]() {
calls.push("@@split");
return undefined;
},
[Symbol.toPrimitive]() {
calls.push("@@toPrimitive");
return "";
}
};
}
(function testStringMatchBrandCheck() {
var calls = [];
"".match(createNonRegExp(calls));
assertEquals(["@@match", "@@toPrimitive"], calls);
})();
(function testStringSearchBrandCheck() {
var calls = [];
"".search(createNonRegExp(calls));
assertEquals(["@@search", "@@toPrimitive"], calls);
})();
(function testStringSplitBrandCheck() {
var calls = [];
"".split(createNonRegExp(calls));
assertEquals(["@@split", "@@toPrimitive"], calls);
})();
(function testStringReplaceBrandCheck() {
var calls = [];
"".replace(createNonRegExp(calls), "");
assertEquals(["@@replace", "@@toPrimitive"], calls);
})();