v8/test/mjsunit/lithium/SeqStringSetChar.js

47 lines
2.2 KiB
JavaScript

// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --allow-natives-syntax
function MyStringFromCharCode(code, i) {
var one_byte = %NewString(3, true);
%_OneByteSeqStringSetChar(0, code, one_byte);
%_OneByteSeqStringSetChar(1, code, one_byte);
%_OneByteSeqStringSetChar(i, code, one_byte);
var two_byte = %NewString(3, false);
%_TwoByteSeqStringSetChar(0, code, two_byte);
%_TwoByteSeqStringSetChar(1, code, two_byte);
%_TwoByteSeqStringSetChar(i, code, two_byte);
return one_byte + two_byte;
}
MyStringFromCharCode(65, 2);
var r1 = MyStringFromCharCode(65, 2);
%OptimizeFunctionOnNextCall(MyStringFromCharCode);
var r2 = MyStringFromCharCode(65, 2);
assertEquals(r1, r2);