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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 // Flags: --harmony-proxies --harmony-reflect | |
| 6 | |
| 7 (function testNonCallable() { | |
| 8 var proxy = new Proxy({},{}); | |
| 9 assertThrows(function(){ proxy() }, TypeError); | |
| 10 | |
| 11 var proxy2 = new Proxy(proxy, {}); | |
| 12 assertThrows(function(){ proxy2() }, TypeError); | |
| 13 })(); | |
| 14 | |
| 15 (function testCallProxyFallbackNoArguments() { | |
| 16 var called = false; | |
| 17 var target = function() { | |
| 18 called = true; | |
| 19 } | |
| 20 var proxy = new Proxy(target, {}); | |
| 21 assertFalse(called); | |
| 22 proxy(); | |
| 23 assertTrue(called); | |
| 24 | |
| 25 called = false; | |
| 26 var proxy2 = new Proxy(proxy, {}); | |
| 27 assertFalse(called); | |
| 28 proxy2(); | |
| 29 assertTrue(called); | |
| 30 })(); | |
| 31 | |
| 32 (function testCallProxyFallback1Argument() { | |
| 33 var called = false; | |
| 34 var target = function(a) { | |
| 35 called = true; | |
| 36 assertEquals('1', a); | |
| 37 } | |
| 38 var proxy = new Proxy(target, {}); | |
| 39 assertFalse(called); | |
| 40 proxy('1'); | |
| 41 assertTrue(called); | |
| 42 })(); | |
| 43 | |
| 44 (function testCallProxyFallback2Arguments() { | |
| 45 var called = false; | |
| 46 var target = function(a, b) { | |
| 47 called = true; | |
| 48 assertEquals('1', a); | |
| 49 assertEquals('2', b); | |
| 50 } | |
| 51 var proxy = new Proxy(target, {}); | |
| 52 assertFalse(called); | |
| 53 proxy('1', '2'); | |
| 54 assertTrue(called); | |
| 55 })(); | |
| 56 | |
| 57 (function testCallProxyFallbackChangedReceiver() { | |
| 58 var apply_receiver = {receiver:true}; | |
| 59 var seen_receiver = undefined; | |
| 60 var target = function() { | |
| 61 seen_receiver = this; | |
| 62 } | |
| 63 var proxy = new Proxy(target, {}); | |
| 64 assertEquals(undefined, seen_receiver); | |
| 65 Reflect.apply(proxy, apply_receiver, [1,2,3,4]); | |
| 66 assertSame(apply_receiver, seen_receiver); | |
| 67 })(); | |
| 68 | |
| 69 (function testCallProxyTrap() { | |
| 70 var called_target = false; | |
| 71 var called_handler = false; | |
| 72 var target = function(a, b) { | |
| 73 called_target = true; | |
| 74 assertEquals(1, a); | |
| 75 assertEquals(2, b); | |
| 76 } | |
| 77 var handler = { | |
| 78 apply: function(target, this_arg, args) { | |
| 79 target.apply(this_arg, args); | |
| 80 called_handler = true; | |
| 81 } | |
| 82 } | |
| 83 var proxy = new Proxy(target, handler); | |
| 84 assertFalse(called_target); | |
| 85 assertFalse(called_handler); | |
| 86 Reflect.apply(proxy, {rec:1}, [1,2]); | |
| 87 assertTrue(called_target); | |
| 88 assertTrue(called_handler); | |
| 89 })(); | |
| 90 | |
| 91 | |
| 92 (function testCallProxyNonCallableTarget() { | |
| 93 var values = [NaN, 1.5, 100, /RegExp/, "string", {}, [], Symbol(), | |
| 94 new Map(), new Set(), new WeakMap(), new WeakSet()]; | |
| 95 values.forEach(target => { | |
| 96 target = Object(target); | |
| 97 var proxy = new Proxy(target, { apply() { assertUnreachable(); } }); | |
| 98 assertThrows(() => { proxy(); }, TypeError); | |
| 99 assertThrows(() => { ({ proxy }).proxy(); }, TypeError); | |
| 100 assertThrows(() => { Reflect.apply(proxy, null, []); }, TypeError); | |
| 101 assertThrows(() => { Reflect.apply(proxy, { proxy }, []); }, TypeError); | |
| 102 assertThrows(() => { | |
| 103 Function.prototype.call.apply(proxy, [null]); | |
| 104 }, TypeError); | |
| 105 assertThrows(() => { | |
| 106 Function.prototype.apply.apply(proxy, [null, []]); | |
| 107 }, TypeError); | |
| 108 | |
| 109 var proxy_to_proxy = new Proxy(proxy, { apply() { assertUnreachable(); } }); | |
| 110 assertThrows(() => { proxy_to_proxy(); }, TypeError); | |
| 111 assertThrows(() => { ({ proxy_to_proxy }).proxy_to_proxy(); }, TypeError); | |
| 112 assertThrows(() => { Reflect.apply(proxy_to_proxy, null, []); }, TypeError); | |
| 113 assertThrows(() => { Reflect.apply(proxy_to_proxy, { proxy }, []); }, | |
| 114 TypeError); | |
| 115 assertThrows(() => { | |
| 116 Function.prototype.call.apply(proxy_to_proxy, [null]); | |
| 117 }, TypeError); | |
| 118 assertThrows(() => { | |
| 119 Function.prototype.apply.apply(proxy_to_proxy, [null, []]); | |
| 120 }, TypeError); | |
| 121 }); | |
| 122 })(); | |
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