blob: 70309ce2dfac99f9a65e39f3c14deb96f940c1fb [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
// Test Function.prototype.apply with null/undefined argumentsList
(function() {
"use strict";
function bar() { return this; }
function foo() { return bar.apply(this, null); }
%PrepareFunctionForOptimization(foo);
assertEquals(42, foo.call(42));
assertEquals(42, foo.call(42));
%OptimizeFunctionOnNextCall(foo);
assertEquals(42, foo.call(42));
})();
(function() {
"use strict";
function bar() { return this; }
function foo() { return bar.apply(this, undefined); }
%PrepareFunctionForOptimization(foo);
assertEquals(42, foo.call(42));
assertEquals(42, foo.call(42));
%OptimizeFunctionOnNextCall(foo);
assertEquals(42, foo.call(42));
})();
// Test Function.prototype.apply within try/catch.
(function() {
"use strict";
function foo(bar) {
try {
return Function.prototype.apply.call(bar, bar, arguments);
} catch (e) {
return 1;
}
}
%PrepareFunctionForOptimization(foo);
assertEquals(1, foo());
assertEquals(1, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(1, foo());
})();
(function() {
"use strict";
function foo(bar) {
try {
return Function.prototype.apply.call(bar, bar, bar);
} catch (e) {
return 1;
}
}
%PrepareFunctionForOptimization(foo);
assertEquals(1, foo());
assertEquals(1, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(1, foo());
})();
// Test Function.prototype.apply with wrong number of arguments.
(function() {
"use strict";
function bar() { return this; }
function foo() { return bar.apply(); }
%PrepareFunctionForOptimization(foo);
assertEquals(undefined, foo());
assertEquals(undefined, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(undefined, foo());
})();
(function() {
"use strict";
function bar() { return this; }
function foo() { return bar.apply(this); }
%PrepareFunctionForOptimization(foo);
assertEquals(42, foo.call(42));
assertEquals(42, foo.call(42));
%OptimizeFunctionOnNextCall(foo);
assertEquals(42, foo.call(42));
})();
(function() {
"use strict";
function bar() { return this; }
function foo() { return bar.apply(this, arguments, this); }
%PrepareFunctionForOptimization(foo);
assertEquals(42, foo.call(42));
assertEquals(42, foo.call(42));
%OptimizeFunctionOnNextCall(foo);
assertEquals(42, foo.call(42));
})();
// Test proper order of callable check and array-like iteration
// in Function.prototype.apply.
(function() {
var dummy_length_counter = 0;
var dummy = { get length() { ++dummy_length_counter; return 0; } };
function foo() {
return Function.prototype.apply.call(undefined, this, dummy);
}
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
assertEquals(0, dummy_length_counter);
})();
(function() {
var dummy_length_counter = 0;
var dummy = { get length() { ++dummy_length_counter; return 0; } };
function foo() {
return Function.prototype.apply.call(null, this, dummy);
}
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
assertEquals(0, dummy_length_counter);
})();
(function() {
var dummy_length_counter = 0;
var dummy = { get length() { ++dummy_length_counter; return 0; } };
function foo() {
return Function.prototype.apply.call(null, this, dummy);
}
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
assertEquals(0, dummy_length_counter);
})();