android_mt6572_jiabo/external/v8/test/mjsunit/string-concat.js
2025-09-05 16:56:03 +08:00

14 lines
478 B
JavaScript

// Copyright 2015 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 Stringified(toString) {
var valueOf = "-" + toString + "-";
return {
toString: function() { return toString; },
valueOf: function() { return valueOf; }
};
}
assertEquals("a.b.", "a.".concat(Stringified("b.")));
assertEquals("a.b.c.", "a.".concat(Stringified("b."), Stringified("c.")));