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// Copyright 2016 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
(function TestDeoptFromComputedNameInObjectLiteral() {
function f() {
var o = {
toString: function() {
%DeoptimizeFunction(f);
return "x";
}
};
return { [o]() { return 23 } };
}
assertEquals(23, f().x());
assertEquals(23, f().x());
%OptimizeFunctionOnNextCall(f);
assertEquals(23, f().x());
})();
(function TestDeoptFromComputedNameInObjectLiteralWithModifiedPrototype() {
// The prototype chain should not be used if the definition
// happens in the object literal.
Object.defineProperty(Object.prototype, 'x_proto', {
get: function () {
return 21;
},
set: function () {
}
});
function f() {
var o = {
toString: function() {
%DeoptimizeFunction(f);
return "x_proto";
}
};
return { [o]() { return 23 } };
}
assertEquals(23, f().x_proto());
assertEquals(23, f().x_proto());
%OptimizeFunctionOnNextCall(f);
assertEquals(23, f().x_proto());
delete Object.prototype.c;
})();
(function TestDeoptFromComputedNameInClassLiteral() {
function g() {
var o = {
toString: function() {
%DeoptimizeFunction(g);
return "y";
}
};
class C {
[o]() { return 42 };
}
return new C();
}
assertEquals(42, g().y());
assertEquals(42, g().y());
%OptimizeFunctionOnNextCall(g);
assertEquals(42, g().y());
})();
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