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1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5(function testNonCallable() {
6  var proxy = new Proxy({},{});
7  assertThrows(function(){ proxy() }, TypeError);
8
9  var proxy2 = new Proxy(proxy, {});
10  assertThrows(function(){ proxy2() }, TypeError);
11})();
12
13(function testCallProxyFallbackNoArguments() {
14  var called = false;
15  var target = function() {
16    called = true;
17  }
18  var proxy = new Proxy(target, {});
19  assertFalse(called);
20  proxy();
21  assertTrue(called);
22
23  called = false;
24  var proxy2 = new Proxy(proxy, {});
25  assertFalse(called);
26  proxy2();
27  assertTrue(called);
28})();
29
30(function testCallProxyFallback1Argument() {
31  var called = false;
32  var target = function(a) {
33    called = true;
34    assertEquals('1', a);
35  }
36  var proxy = new Proxy(target, {});
37  assertFalse(called);
38  proxy('1');
39  assertTrue(called);
40})();
41
42(function testCallProxyFallback2Arguments() {
43  var called = false;
44  var target = function(a, b) {
45    called = true;
46    assertEquals('1', a);
47    assertEquals('2', b);
48  }
49  var proxy = new Proxy(target, {});
50  assertFalse(called);
51  proxy('1', '2');
52  assertTrue(called);
53})();
54
55(function testCallProxyFallbackChangedReceiver() {
56  var apply_receiver = {receiver:true};
57  var seen_receiver = undefined;
58  var target = function() {
59    seen_receiver = this;
60  }
61  var proxy = new Proxy(target, {});
62  assertEquals(undefined, seen_receiver);
63  Reflect.apply(proxy, apply_receiver, [1,2,3,4]);
64  assertSame(apply_receiver, seen_receiver);
65})();
66
67(function testCallProxyTrap() {
68  var called_target = false;
69  var called_handler = false;
70  var target = function(a, b) {
71    called_target = true;
72    assertEquals(1, a);
73    assertEquals(2, b);
74  }
75  var handler = {
76    apply: function(target, this_arg, args) {
77      target.apply(this_arg, args);
78      called_handler = true;
79    }
80  }
81  var proxy = new Proxy(target, handler);
82  assertFalse(called_target);
83  assertFalse(called_handler);
84  Reflect.apply(proxy, {rec:1}, [1,2]);
85  assertTrue(called_target);
86  assertTrue(called_handler);
87})();
88
89
90(function testCallProxyNonCallableTarget() {
91  var values = [NaN, 1.5, 100, /RegExp/, "string", {}, [], Symbol(),
92                new Map(), new Set(), new WeakMap(), new WeakSet()];
93  values.forEach(target => {
94    target = Object(target);
95    var proxy = new Proxy(target, { apply() { assertUnreachable(); } });
96    assertThrows(() => { proxy(); }, TypeError);
97    assertThrows(() => { ({ proxy }).proxy(); }, TypeError);
98    assertThrows(() => { Reflect.apply(proxy, null, []); }, TypeError);
99    assertThrows(() => { Reflect.apply(proxy, { proxy }, []); }, TypeError);
100    assertThrows(() => {
101          Function.prototype.call.apply(proxy, [null]);
102        }, TypeError);
103    assertThrows(() => {
104          Function.prototype.apply.apply(proxy, [null, []]);
105        }, TypeError);
106
107    var proxy_to_proxy = new Proxy(proxy, { apply() { assertUnreachable(); } });
108    assertThrows(() => { proxy_to_proxy(); }, TypeError);
109    assertThrows(() => { ({ proxy_to_proxy }).proxy_to_proxy(); }, TypeError);
110    assertThrows(() => { Reflect.apply(proxy_to_proxy, null, []); }, TypeError);
111    assertThrows(() => { Reflect.apply(proxy_to_proxy, { proxy }, []); },
112                 TypeError);
113    assertThrows(() => {
114          Function.prototype.call.apply(proxy_to_proxy, [null]);
115        }, TypeError);
116    assertThrows(() => {
117          Function.prototype.apply.apply(proxy_to_proxy, [null, []]);
118        }, TypeError);
119  });
120})();
121