1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/js1_8_5/extensions/scripted-proxies.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,162 @@
1.4 +/*
1.5 + * Any copyright is dedicated to the Public Domain.
1.6 + * http://creativecommons.org/licenses/publicdomain/
1.7 + * Contributor: Andreas Gal
1.8 + */
1.9 +
1.10 +//-----------------------------------------------------------------------------
1.11 +var BUGNUMBER = 546590;
1.12 +var summary = 'basic scripted proxies tests';
1.13 +var actual = '';
1.14 +var expect = '';
1.15 +
1.16 +//-----------------------------------------------------------------------------
1.17 +test();
1.18 +//-----------------------------------------------------------------------------
1.19 +
1.20 +function test() {
1.21 + enterFunc ('test');
1.22 + printBugNumber(BUGNUMBER);
1.23 + printStatus(summary);
1.24 +
1.25 + testObj({ foo: 1, bar: 2 });
1.26 + testObj({ 1: 2, 3: 4 });
1.27 + testObj([ 1, 2, 3 ]);
1.28 + testObj(new Date());
1.29 + testObj(new Array());
1.30 + testObj(new RegExp());
1.31 + testObj(Date);
1.32 + testObj(Array);
1.33 + testObj(RegExp);
1.34 +
1.35 + /* Test function proxies. */
1.36 + var proxy = Proxy.createFunction({
1.37 + get: function(obj,name) { return Function.prototype[name]; },
1.38 + fix: function() {
1.39 + return ({});
1.40 + }
1.41 + }, function() { return "call"; });
1.42 +
1.43 + assertEq(proxy(), "call");
1.44 + assertEq(Function.prototype.bind.call(proxy)(), "call");
1.45 + assertEq(typeof proxy, "function");
1.46 + if ("isTrapping" in Proxy) {
1.47 + assertEq(Proxy.isTrapping(proxy), true);
1.48 + assertEq(Proxy.fix(proxy), true);
1.49 + assertEq(Proxy.isTrapping(proxy), false);
1.50 + assertEq(typeof proxy, "function");
1.51 + assertEq(proxy(), "call");
1.52 + }
1.53 +
1.54 + /* Test function proxies as constructors. */
1.55 + var proxy = Proxy.createFunction({
1.56 + get: function(obj, name) { return Function.prototype[name]; },
1.57 + fix: function() { return ({}); }
1.58 + },
1.59 + function() { var x = {}; x.origin = "call"; return x; },
1.60 + function() { var x = {}; x.origin = "new"; return x; })
1.61 +
1.62 + assertEq(proxy().origin, "call");
1.63 + assertEq(Function.prototype.bind.call(proxy)().origin, "call");
1.64 + assertEq((new proxy()).origin, "new");
1.65 + assertEq(new (Function.prototype.bind.call(proxy))().origin, "new");
1.66 + if ("fix" in Proxy) {
1.67 + assertEq(Proxy.fix(proxy), true);
1.68 + assertEq(proxy().origin, "call");
1.69 + assertEq((new proxy()).origin, "new");
1.70 + }
1.71 +
1.72 + /* Test fallback on call if no construct trap was given. */
1.73 + var proxy = Proxy.createFunction({
1.74 + get: function(obj, name) { return Function.prototype[name]; },
1.75 + fix: function() { return ({}); }
1.76 + },
1.77 + function() { this.origin = "new"; return "new-ret"; });
1.78 +
1.79 + assertEq((new proxy()).origin, "new");
1.80 + if ("fix" in Proxy) {
1.81 + assertEq(Proxy.fix(proxy), true);
1.82 + assertEq((new proxy()).origin, "new");
1.83 + }
1.84 +
1.85 + /* Test invoke. */
1.86 + var proxy = Proxy.create({ get: function(obj,name) { return function(a,b,c) { return name + uneval([a,b,c]); } }});
1.87 + assertEq(proxy.foo(1,2,3), "foo[1, 2, 3]");
1.88 +
1.89 + reportCompare(0, 0, "done.");
1.90 +
1.91 + exitFunc ('test');
1.92 +}
1.93 +
1.94 +/* Test object proxies. */
1.95 +function noopHandlerMaker(obj) {
1.96 + return {
1.97 + getOwnPropertyDescriptor: function(name) {
1.98 + var desc = Object.getOwnPropertyDescriptor(obj);
1.99 + // a trapping proxy's properties must always be configurable
1.100 + desc.configurable = true;
1.101 + return desc;
1.102 + },
1.103 + getPropertyDescriptor: function(name) {
1.104 + var desc = Object.getPropertyDescriptor(obj); // assumed
1.105 + // a trapping proxy's properties must always be configurable
1.106 + desc.configurable = true;
1.107 + return desc;
1.108 + },
1.109 + getOwnPropertyNames: function() {
1.110 + return Object.getOwnPropertyNames(obj);
1.111 + },
1.112 + defineProperty: function(name, desc) {
1.113 + return Object.defineProperty(obj, name, desc);
1.114 + },
1.115 + delete: function(name) { return delete obj[name]; },
1.116 + fix: function() {
1.117 + // As long as obj is not frozen, the proxy won't allow itself to be fixed
1.118 + // if (!Object.isFrozen(obj)) [not implemented in SpiderMonkey]
1.119 + // return undefined;
1.120 + // return Object.getOwnProperties(obj); // assumed [not implemented in SpiderMonkey]
1.121 + var props = {};
1.122 + for (x in obj)
1.123 + props[x] = Object.getOwnPropertyDescriptor(obj, x);
1.124 + return props;
1.125 + },
1.126 + has: function(name) { return name in obj; },
1.127 + hasOwn: function(name) { return ({}).hasOwnProperty.call(obj, name); },
1.128 + get: function(receiver, name) { return obj[name]; },
1.129 + set: function(receiver, name, val) { obj[name] = val; return true; }, // bad behavior when set fails in non-strict mode
1.130 + enumerate: function() {
1.131 + var result = [];
1.132 + for (name in obj) { result.push(name); };
1.133 + return result;
1.134 + },
1.135 + keys: function() { return Object.keys(obj); }
1.136 + };
1.137 +};
1.138 +
1.139 +function testNoopHandler(obj, proxy) {
1.140 + /* Check that both objects see the same properties. */
1.141 + for (x in obj)
1.142 + assertEq(obj[x], proxy[x]);
1.143 + for (x in proxy)
1.144 + assertEq(obj[x], proxy[x]);
1.145 + /* Check that the iteration order is the same. */
1.146 + var a = [], b = [];
1.147 + for (x in obj)
1.148 + a.push(x);
1.149 + for (x in proxy)
1.150 + b.push(x);
1.151 + assertEq(uneval(a), uneval(b));
1.152 +}
1.153 +
1.154 +function testObj(obj) {
1.155 + var proxy = Proxy.create(noopHandlerMaker(obj));
1.156 + testNoopHandler(obj, proxy);
1.157 + assertEq(typeof proxy, "object");
1.158 + if ("isTrapping" in Proxy) {
1.159 + assertEq(Proxy.isTrapping(proxy), true);
1.160 + assertEq(Proxy.fix(proxy), true);
1.161 + assertEq(Proxy.isTrapping(proxy), false);
1.162 + assertEq(typeof proxy, "object");
1.163 + testNoopHandler(obj, proxy);
1.164 + }
1.165 +}
