node/deps/v8/test/mjsunit/compiler/new-cons-string.js
Michaël Zasso 88786fecff deps: update V8 to 6.5.254.31
PR-URL: https://github.com/nodejs/node/pull/18453
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
2018-03-07 16:48:52 +01:00

72 lines
1.7 KiB
JavaScript

// Copyright 2017 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.
// Flags: --allow-natives-syntax --expose-externalize-string
(function() {
function foo(s) {
return "abcdefghijklm" + s;
}
assertTrue(isOneByteString(foo("0")));
assertTrue(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertTrue(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return s + "abcdefghijklm";
}
assertTrue(isOneByteString(foo("0")));
assertTrue(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertTrue(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return "abcdefghijklm" + s;
}
assertFalse(isOneByteString(foo("\u1234")));
assertFalse(isOneByteString(foo("\u1234")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("\u1234")));
})();
(function() {
function foo(s) {
return s + "abcdefghijklm";
}
assertFalse(isOneByteString(foo("\u1234")));
assertFalse(isOneByteString(foo("\u1234")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("\u1234")));
})();
(function() {
function foo(s) {
return "abcdefghijkl\u1234" + s;
}
assertFalse(isOneByteString(foo("0")));
assertFalse(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return s + "abcdefghijkl\u1234";
}
assertFalse(isOneByteString(foo("0")));
assertFalse(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("0")));
})();