blob: 0d5470ddacf7da170281395dc4ac7d49250f3d32 [file] [log] [blame]
// 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;
}
%PrepareFunctionForOptimization(foo);
assertTrue(isOneByteString(foo("0")));
assertTrue(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertTrue(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return s + "abcdefghijklm";
}
%PrepareFunctionForOptimization(foo);
assertTrue(isOneByteString(foo("0")));
assertTrue(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertTrue(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return "abcdefghijklm" + s;
}
%PrepareFunctionForOptimization(foo);
assertFalse(isOneByteString(foo("\u1234")));
assertFalse(isOneByteString(foo("\u1234")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("\u1234")));
})();
(function() {
function foo(s) {
return s + "abcdefghijklm";
}
%PrepareFunctionForOptimization(foo);
assertFalse(isOneByteString(foo("\u1234")));
assertFalse(isOneByteString(foo("\u1234")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("\u1234")));
})();
(function() {
function foo(s) {
return "abcdefghijkl\u1234" + s;
}
%PrepareFunctionForOptimization(foo);
assertFalse(isOneByteString(foo("0")));
assertFalse(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("0")));
})();
(function() {
function foo(s) {
return s + "abcdefghijkl\u1234";
}
%PrepareFunctionForOptimization(foo);
assertFalse(isOneByteString(foo("0")));
assertFalse(isOneByteString(foo("0")));
%OptimizeFunctionOnNextCall(foo);
assertFalse(isOneByteString(foo("0")));
})();