blob: cf52856ebc97331a95f94e8c7cbc55a0b1eeb69f [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 Reflect.construct with wrong number of arguments.
(function() {
"use strict";
function A() {}
function foo() { return Reflect.construct(A); }
%PrepareFunctionForOptimization(foo);
assertThrows(foo);
assertThrows(foo);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo);
})();
(function() {
"use strict";
function A(x) { this.x = x; }
function foo() { return Reflect.construct(A, arguments); }
%PrepareFunctionForOptimization(foo);
assertInstanceof(foo(), A);
assertInstanceof(foo(), A);
assertEquals(1, foo(1).x);
%OptimizeFunctionOnNextCall(foo);
assertInstanceof(foo(), A);
assertEquals(1, foo(1).x);
})();
(function() {
"use strict";
function A(x) { this.x = x; }
function foo() { return Reflect.construct(A, arguments, A, A); }
%PrepareFunctionForOptimization(foo);
assertInstanceof(foo(), A);
assertInstanceof(foo(), A);
assertEquals(1, foo(1).x);
%OptimizeFunctionOnNextCall(foo);
assertInstanceof(foo(), A);
assertEquals(1, foo(1).x);
})();
// Test Reflect.construct within try/catch.
(function() {
"use strict";
function foo(bar) {
try {
return Reflect.construct(bar, arguments, bar);
} 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 Reflect.construct(bar, bar, bar);
} catch (e) {
return 1;
}
}
%PrepareFunctionForOptimization(foo);
assertEquals(1, foo());
assertEquals(1, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(1, foo());
})();
// Test proper order of constructor check(s) and array-like iteration.
(function() {
var dummy_length_counter = 0;
var dummy = { get length() { ++dummy_length_counter; return 0; } };
function foo() {
return Reflect.construct(undefined, dummy, undefined);
}
%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 Reflect.construct(undefined, 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 Reflect.construct(null, dummy, null);
}
%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 Reflect.construct(null, dummy);
}
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
assertEquals(0, dummy_length_counter);
})();