1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/ecma_5/misc/function-definition-evaluate.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,344 @@
1.4 +// |reftest| skip-if(!xulRuntime.shell) -- needs evaluate()
1.5 +/*
1.6 + * Any copyright is dedicated to the Public Domain.
1.7 + * http://creativecommons.org/licenses/publicdomain/
1.8 + */
1.9 +
1.10 +//-----------------------------------------------------------------------------
1.11 +var BUGNUMBER = 577325;
1.12 +var summary = 'Implement the ES5 algorithm for processing function statements';
1.13 +
1.14 +print(BUGNUMBER + ": " + summary);
1.15 +
1.16 +/**************
1.17 + * BEGIN TEST *
1.18 + **************/
1.19 +
1.20 +var outer, desc;
1.21 +
1.22 +///////////////////////////////////////////////////
1.23 +// Function definitions over accessor properties //
1.24 +///////////////////////////////////////////////////
1.25 +
1.26 +var getCalled, setCalled;
1.27 +
1.28 +// configurable properties get blown away
1.29 +
1.30 +getCalled = false, setCalled = false;
1.31 +Object.defineProperty(this, "acc1",
1.32 + {
1.33 + get: function() { getCalled = true; throw "FAIL get 1"; },
1.34 + set: function(v) { setCalled = true; throw "FAIL set 1 " + v; },
1.35 + configurable: true,
1.36 + enumerable: false
1.37 + });
1.38 +
1.39 +// does not throw
1.40 +outer = undefined;
1.41 +evaluate("function acc1() { throw 'FAIL redefined 1'; } outer = acc1;");
1.42 +assertEq(getCalled, false);
1.43 +assertEq(setCalled, false);
1.44 +assertEq(typeof acc1, "function");
1.45 +assertEq(acc1, outer);
1.46 +desc = Object.getOwnPropertyDescriptor(this, "acc1");
1.47 +assertEq(desc.value, acc1);
1.48 +assertEq(desc.writable, true);
1.49 +assertEq(desc.enumerable, true);
1.50 +assertEq(desc.configurable, false);
1.51 +
1.52 +
1.53 +getCalled = false, setCalled = false;
1.54 +Object.defineProperty(this, "acc2",
1.55 + {
1.56 + get: function() { getCalled = true; throw "FAIL get 2"; },
1.57 + set: function(v) { setCalled = true; throw "FAIL set 2 " + v; },
1.58 + configurable: true,
1.59 + enumerable: true
1.60 + });
1.61 +
1.62 +// does not throw
1.63 +outer = undefined;
1.64 +evaluate("function acc2() { throw 'FAIL redefined 2'; } outer = acc2;");
1.65 +assertEq(getCalled, false);
1.66 +assertEq(setCalled, false);
1.67 +assertEq(typeof acc2, "function");
1.68 +assertEq(acc2, outer);
1.69 +desc = Object.getOwnPropertyDescriptor(this, "acc2");
1.70 +assertEq(desc.value, acc2);
1.71 +assertEq(desc.writable, true);
1.72 +assertEq(desc.enumerable, true);
1.73 +assertEq(desc.configurable, false);
1.74 +
1.75 +
1.76 +// non-configurable properties produce a TypeError
1.77 +
1.78 +getCalled = false, setCalled = false;
1.79 +Object.defineProperty(this, "acc3",
1.80 + {
1.81 + get: function() { getCalled = true; throw "FAIL get 3"; },
1.82 + set: function(v) { setCalled = true; throw "FAIL set 3 " + v; },
1.83 + configurable: false,
1.84 + enumerable: true
1.85 + });
1.86 +
1.87 +outer = undefined;
1.88 +try
1.89 +{
1.90 + evaluate("function acc3() { throw 'FAIL redefined 3'; }; outer = acc3");
1.91 + throw new Error("should have thrown trying to redefine global function " +
1.92 + "over a non-configurable, enumerable accessor");
1.93 +}
1.94 +catch (e)
1.95 +{
1.96 + assertEq(e instanceof TypeError, true,
1.97 + "global function definition, when that function would overwrite " +
1.98 + "a non-configurable, enumerable accessor, must throw a TypeError " +
1.99 + "per ES5+errata: " + e);
1.100 + desc = Object.getOwnPropertyDescriptor(this, "acc3");
1.101 + assertEq(typeof desc.get, "function");
1.102 + assertEq(typeof desc.set, "function");
1.103 + assertEq(desc.enumerable, true);
1.104 + assertEq(desc.configurable, false);
1.105 + assertEq(outer, undefined);
1.106 + assertEq(getCalled, false);
1.107 + assertEq(setCalled, false);
1.108 +}
1.109 +
1.110 +
1.111 +getCalled = false, setCalled = false;
1.112 +Object.defineProperty(this, "acc4",
1.113 + {
1.114 + get: function() { getCalled = true; throw "FAIL get 4"; },
1.115 + set: function(v) { setCalled = true; throw "FAIL set 4 " + v; },
1.116 + configurable: false,
1.117 + enumerable: false
1.118 + });
1.119 +
1.120 +outer = undefined;
1.121 +try
1.122 +{
1.123 + evaluate("function acc4() { throw 'FAIL redefined 4'; }; outer = acc4");
1.124 + throw new Error("should have thrown trying to redefine global function " +
1.125 + "over a non-configurable, non-enumerable accessor");
1.126 +}
1.127 +catch (e)
1.128 +{
1.129 + assertEq(e instanceof TypeError, true,
1.130 + "global function definition, when that function would overwrite " +
1.131 + "a non-configurable, non-enumerable accessor, must throw a " +
1.132 + "TypeError per ES5+errata: " + e);
1.133 + desc = Object.getOwnPropertyDescriptor(this, "acc4");
1.134 + assertEq(typeof desc.get, "function");
1.135 + assertEq(typeof desc.set, "function");
1.136 + assertEq(desc.enumerable, false);
1.137 + assertEq(desc.configurable, false);
1.138 + assertEq(outer, undefined);
1.139 + assertEq(getCalled, false);
1.140 + assertEq(setCalled, false);
1.141 +}
1.142 +
1.143 +
1.144 +///////////////////////////////////////////////
1.145 +// Function definitions over data properties //
1.146 +///////////////////////////////////////////////
1.147 +
1.148 +
1.149 +// configurable properties, regardless of other attributes, get blown away
1.150 +
1.151 +Object.defineProperty(this, "data1",
1.152 + {
1.153 + configurable: true,
1.154 + enumerable: true,
1.155 + writable: true,
1.156 + value: "data1"
1.157 + });
1.158 +
1.159 +outer = undefined;
1.160 +evaluate("function data1() { return 'data1 function'; } outer = data1;");
1.161 +assertEq(typeof data1, "function");
1.162 +assertEq(data1, outer);
1.163 +desc = Object.getOwnPropertyDescriptor(this, "data1");
1.164 +assertEq(desc.configurable, false);
1.165 +assertEq(desc.enumerable, true);
1.166 +assertEq(desc.writable, true);
1.167 +assertEq(desc.value, data1);
1.168 +
1.169 +
1.170 +Object.defineProperty(this, "data2",
1.171 + {
1.172 + configurable: true,
1.173 + enumerable: true,
1.174 + writable: false,
1.175 + value: "data2"
1.176 + });
1.177 +
1.178 +outer = undefined;
1.179 +evaluate("function data2() { return 'data2 function'; } outer = data2;");
1.180 +assertEq(typeof data2, "function");
1.181 +assertEq(data2, outer);
1.182 +desc = Object.getOwnPropertyDescriptor(this, "data2");
1.183 +assertEq(desc.configurable, false);
1.184 +assertEq(desc.enumerable, true);
1.185 +assertEq(desc.writable, true);
1.186 +assertEq(desc.value, data2);
1.187 +
1.188 +
1.189 +Object.defineProperty(this, "data3",
1.190 + {
1.191 + configurable: true,
1.192 + enumerable: false,
1.193 + writable: true,
1.194 + value: "data3"
1.195 + });
1.196 +
1.197 +outer = undefined;
1.198 +evaluate("function data3() { return 'data3 function'; } outer = data3;");
1.199 +assertEq(typeof data3, "function");
1.200 +assertEq(data3, outer);
1.201 +desc = Object.getOwnPropertyDescriptor(this, "data3");
1.202 +assertEq(desc.configurable, false);
1.203 +assertEq(desc.enumerable, true);
1.204 +assertEq(desc.writable, true);
1.205 +assertEq(desc.value, data3);
1.206 +
1.207 +
1.208 +Object.defineProperty(this, "data4",
1.209 + {
1.210 + configurable: true,
1.211 + enumerable: false,
1.212 + writable: false,
1.213 + value: "data4"
1.214 + });
1.215 +
1.216 +outer = undefined;
1.217 +evaluate("function data4() { return 'data4 function'; } outer = data4;");
1.218 +assertEq(typeof data4, "function");
1.219 +assertEq(data4, outer);
1.220 +desc = Object.getOwnPropertyDescriptor(this, "data4");
1.221 +assertEq(desc.value, data4);
1.222 +assertEq(desc.writable, true);
1.223 +assertEq(desc.enumerable, true);
1.224 +assertEq(desc.configurable, false);
1.225 +
1.226 +
1.227 +// non-configurable data properties are trickier
1.228 +
1.229 +Object.defineProperty(this, "data5",
1.230 + {
1.231 + configurable: false,
1.232 + enumerable: true,
1.233 + writable: true,
1.234 + value: "data5"
1.235 + });
1.236 +
1.237 +outer = undefined;
1.238 +evaluate("function data5() { return 'data5 function'; } outer = data5;");
1.239 +assertEq(typeof data5, "function");
1.240 +assertEq(data5, outer);
1.241 +desc = Object.getOwnPropertyDescriptor(this, "data5");
1.242 +assertEq(desc.configurable, false);
1.243 +assertEq(desc.enumerable, true);
1.244 +assertEq(desc.writable, true);
1.245 +assertEq(desc.value, data5);
1.246 +
1.247 +
1.248 +Object.defineProperty(this, "data6",
1.249 + {
1.250 + configurable: false,
1.251 + enumerable: true,
1.252 + writable: false,
1.253 + value: "data6"
1.254 + });
1.255 +
1.256 +outer = undefined;
1.257 +try
1.258 +{
1.259 + evaluate("function data6() { return 'data6 function'; } outer = data6;");
1.260 + throw new Error("should have thrown trying to redefine global function " +
1.261 + "over a non-configurable, enumerable, non-writable accessor");
1.262 +}
1.263 +catch (e)
1.264 +{
1.265 + assertEq(e instanceof TypeError, true,
1.266 + "global function definition, when that function would overwrite " +
1.267 + "a non-configurable, enumerable, non-writable data property, must " +
1.268 + "throw a TypeError per ES5+errata: " + e);
1.269 + assertEq(data6, "data6");
1.270 + assertEq(outer, undefined);
1.271 + desc = Object.getOwnPropertyDescriptor(this, "data6");
1.272 + assertEq(desc.configurable, false);
1.273 + assertEq(desc.enumerable, true);
1.274 + assertEq(desc.writable, false);
1.275 + assertEq(desc.value, "data6");
1.276 +}
1.277 +
1.278 +
1.279 +Object.defineProperty(this, "data7",
1.280 + {
1.281 + configurable: false,
1.282 + enumerable: false,
1.283 + writable: true,
1.284 + value: "data7"
1.285 + });
1.286 +
1.287 +outer = undefined;
1.288 +try
1.289 +{
1.290 + evaluate("function data7() { return 'data7 function'; } outer = data7;");
1.291 + throw new Error("should have thrown trying to redefine global function " +
1.292 + "over a non-configurable, non-enumerable, writable data" +
1.293 + "property");
1.294 +}
1.295 +catch (e)
1.296 +{
1.297 + assertEq(e instanceof TypeError, true,
1.298 + "global function definition, when that function would overwrite " +
1.299 + "a non-configurable, non-enumerable, writable data property, must " +
1.300 + "throw a TypeError per ES5+errata: " + e);
1.301 + assertEq(data7, "data7");
1.302 + assertEq(outer, undefined);
1.303 + desc = Object.getOwnPropertyDescriptor(this, "data7");
1.304 + assertEq(desc.configurable, false);
1.305 + assertEq(desc.enumerable, false);
1.306 + assertEq(desc.writable, true);
1.307 + assertEq(desc.value, "data7");
1.308 +}
1.309 +
1.310 +
1.311 +Object.defineProperty(this, "data8",
1.312 + {
1.313 + configurable: false,
1.314 + enumerable: false,
1.315 + writable: false,
1.316 + value: "data8"
1.317 + });
1.318 +
1.319 +outer = undefined;
1.320 +try
1.321 +{
1.322 + evaluate("function data8() { return 'data8 function'; } outer = data8;");
1.323 + throw new Error("should have thrown trying to redefine global function " +
1.324 + "over a non-configurable, non-enumerable, non-writable data" +
1.325 + "property");
1.326 +}
1.327 +catch (e)
1.328 +{
1.329 + assertEq(e instanceof TypeError, true,
1.330 + "global function definition, when that function would overwrite " +
1.331 + "a non-configurable, non-enumerable, non-writable data property, " +
1.332 + "must throw a TypeError per ES5+errata: " + e);
1.333 + assertEq(data8, "data8");
1.334 + assertEq(outer, undefined);
1.335 + desc = Object.getOwnPropertyDescriptor(this, "data8");
1.336 + assertEq(desc.configurable, false);
1.337 + assertEq(desc.enumerable, false);
1.338 + assertEq(desc.writable, false);
1.339 + assertEq(desc.value, "data8");
1.340 +}
1.341 +
1.342 +/******************************************************************************/
1.343 +
1.344 +if (typeof reportCompare === "function")
1.345 + reportCompare(true, true);
1.346 +
1.347 +print("All tests passed!");
