v8/test/mjsunit/arguments-apply-deopt.js

78 lines
2.4 KiB
JavaScript

// Copyright 2012 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 ApplyArgumentsDeoptInReceiverMapCheck() {
function invoker(h, r) {
return function XXXXX() {
var res = h.apply({ fffffff : r(this) }, arguments);
return res;
};
}
var y = invoker(m, selfOf);
function selfOf(c) {
var sssss = c.self_;
return sssss;
}
function m() {
return this.fffffff;
}
y.apply({ self_ : 3 });
y.apply({ self_ : 3 });
y.apply({ self_ : 3 });
%OptimizeFunctionOnNextCall(y);
assertEquals(y.apply({ self_ : 3, uuu : 4 }), 3);
})();
(function ApplyArgumentsDeoptInReceiverExplicit() {
function f() { return this + 21; }
function deopt() {
%DeoptimizeFunction(XXXXX);
return 21;
}
function XXXXX() {
return f.apply(deopt(), arguments);
};
XXXXX();
XXXXX();
XXXXX();
%OptimizeFunctionOnNextCall(XXXXX);
assertEquals(42, XXXXX());
})();