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// Copyright 2015 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: --harmony-proxies --harmony-reflect
(function testNonCallable() {
var proxy = new Proxy({},{});
assertThrows(function(){ proxy() }, TypeError);
var proxy2 = new Proxy(proxy, {});
assertThrows(function(){ proxy2() }, TypeError);
})();
(function testCallProxyFallbackNoArguments() {
var called = false;
var target = function() {
called = true;
}
var proxy = new Proxy(target, {});
assertFalse(called);
proxy();
assertTrue(called);
called = false;
var proxy2 = new Proxy(proxy, {});
assertFalse(called);
proxy2();
assertTrue(called);
})();
(function testCallProxyFallback1Argument() {
var called = false;
var target = function(a) {
called = true;
assertEquals('1', a);
}
var proxy = new Proxy(target, {});
assertFalse(called);
proxy('1');
assertTrue(called);
})();
(function testCallProxyFallback2Arguments() {
var called = false;
var target = function(a, b) {
called = true;
assertEquals('1', a);
assertEquals('2', b);
}
var proxy = new Proxy(target, {});
assertFalse(called);
proxy('1', '2');
assertTrue(called);
})();
(function testCallProxyFallbackChangedReceiver() {
var apply_receiver = {receiver:true};
var seen_receiver = undefined;
var target = function() {
seen_receiver = this;
}
var proxy = new Proxy(target, {});
assertEquals(undefined, seen_receiver);
Reflect.apply(proxy, apply_receiver, [1,2,3,4]);
assertSame(apply_receiver, seen_receiver);
})();
(function testCallProxyTrap() {
var called_target = false;
var called_handler = false;
var target = function(a, b) {
called_target = true;
assertEquals(1, a);
assertEquals(2, b);
}
var handler = {
apply: function(target, this_arg, args) {
target.apply(this_arg, args);
called_handler = true;
}
}
var proxy = new Proxy(target, handler);
assertFalse(called_target);
assertFalse(called_handler);
Reflect.apply(proxy, {rec:1}, [1,2]);
assertTrue(called_target);
assertTrue(called_handler);
})();
(function testCallProxyNonCallableTarget() {
var values = [NaN, 1.5, 100, /RegExp/, "string", {}, [], Symbol(),
new Map(), new Set(), new WeakMap(), new WeakSet()];
values.forEach(target => {
target = Object(target);
var proxy = new Proxy(target, { apply() { assertUnreachable(); } });
assertThrows(() => { proxy(); }, TypeError);
assertThrows(() => { ({ proxy }).proxy(); }, TypeError);
assertThrows(() => { Reflect.apply(proxy, null, []); }, TypeError);
assertThrows(() => { Reflect.apply(proxy, { proxy }, []); }, TypeError);
assertThrows(() => {
Function.prototype.call.apply(proxy, [null]);
}, TypeError);
assertThrows(() => {
Function.prototype.apply.apply(proxy, [null, []]);
}, TypeError);
var proxy_to_proxy = new Proxy(proxy, { apply() { assertUnreachable(); } });
assertThrows(() => { proxy_to_proxy(); }, TypeError);
assertThrows(() => { ({ proxy_to_proxy }).proxy_to_proxy(); }, TypeError);
assertThrows(() => { Reflect.apply(proxy_to_proxy, null, []); }, TypeError);
assertThrows(() => { Reflect.apply(proxy_to_proxy, { proxy }, []); },
TypeError);
assertThrows(() => {
Function.prototype.call.apply(proxy_to_proxy, [null]);
}, TypeError);
assertThrows(() => {
Function.prototype.apply.apply(proxy_to_proxy, [null, []]);
}, TypeError);
});
})();
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