1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,281 @@
1.4 +// Any copyright is dedicated to the Public Domain.
1.5 +// http://creativecommons.org/licenses/publicdomain/
1.6 +
1.7 +//-----------------------------------------------------------------------------
1.8 +var BUGNUMBER = 715821;
1.9 +var summary = "Implement __define[GS]etter__ using Object.defineProperty";
1.10 +
1.11 +print(BUGNUMBER + ": " + summary);
1.12 +
1.13 +/*************
1.14 + * UTILITIES *
1.15 + *************/
1.16 +
1.17 +function s(desc)
1.18 +{
1.19 + if (typeof desc === "undefined")
1.20 + return "<undefined>";
1.21 + assertEq(typeof desc, "object");
1.22 + assertEq(desc !== null, true);
1.23 +
1.24 + var str = "<enumerable: <" + desc.enumerable + ">, " +
1.25 + " configurable: <" + desc.configurable + ">,";
1.26 +
1.27 + if (desc.hasOwnProperty("value"))
1.28 + {
1.29 + return str +
1.30 + " value: <" + desc.value + ">," +
1.31 + " writable: <" + desc.writable + ">>";
1.32 + }
1.33 +
1.34 + return str +
1.35 + " get: <" + desc.get + ">," +
1.36 + " set: <" + desc.set + ">>";
1.37 +}
1.38 +
1.39 +function checkField(field, desc, expected)
1.40 +{
1.41 + var present = desc.hasOwnProperty(field);
1.42 + assertEq(present, expected.hasOwnProperty(field),
1.43 + field + " presence mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
1.44 + if (present)
1.45 + {
1.46 + assertEq(desc[field], expected[field],
1.47 + field + " value mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
1.48 + }
1.49 +}
1.50 +
1.51 +function check(obj, prop, expected)
1.52 +{
1.53 + var desc = Object.getOwnPropertyDescriptor(obj, prop);
1.54 + assertEq(typeof desc, typeof expected,
1.55 + "type mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
1.56 +
1.57 + assertEq(desc.hasOwnProperty("get"), desc.hasOwnProperty("set"),
1.58 + "bad descriptor: " + s(desc));
1.59 + assertEq(desc.hasOwnProperty("value"), desc.hasOwnProperty("writable"),
1.60 + "bad descriptor: " + s(desc));
1.61 +
1.62 + assertEq(desc.hasOwnProperty("get"), !desc.hasOwnProperty("value"),
1.63 + "bad descriptor: " + s(desc));
1.64 +
1.65 + checkField("get", desc, expected);
1.66 + checkField("set", desc, expected);
1.67 + checkField("value", desc, expected);
1.68 + checkField("writable", desc, expected);
1.69 + checkField("enumerable", desc, expected);
1.70 + checkField("configurable", desc, expected);
1.71 +}
1.72 +
1.73 +function expectTypeError(f)
1.74 +{
1.75 + try
1.76 + {
1.77 + f();
1.78 + throw new Error("no error thrown");
1.79 + }
1.80 + catch (e)
1.81 + {
1.82 + assertEq(e instanceof TypeError, true,
1.83 + "wrong error thrown: got " + e + ", not a TypeError");
1.84 + }
1.85 +}
1.86 +
1.87 +/**************
1.88 + * BEGIN TEST *
1.89 + **************/
1.90 +
1.91 +// Adding a new getter, overwriting an existing one
1.92 +
1.93 +function g1() { }
1.94 +var gobj = {};
1.95 +gobj.__defineGetter__("foo", g1);
1.96 +check(gobj, "foo", { get: g1, set: undefined, enumerable: true, configurable: true });
1.97 +
1.98 +function g2() { }
1.99 +gobj.__defineGetter__("foo", g2);
1.100 +check(gobj, "foo", { get: g2, set: undefined, enumerable: true, configurable: true });
1.101 +
1.102 +/******************************************************************************/
1.103 +
1.104 +// Adding a new setter, overwriting an existing one
1.105 +
1.106 +function s1() { }
1.107 +var sobj = {};
1.108 +sobj.__defineSetter__("bar", s1);
1.109 +check(sobj, "bar", { get: undefined, set: s1, enumerable: true, configurable: true });
1.110 +
1.111 +function s2() { }
1.112 +sobj.__defineSetter__("bar", s2);
1.113 +check(sobj, "bar", { get: undefined, set: s2, enumerable: true, configurable: true });
1.114 +
1.115 +/******************************************************************************/
1.116 +
1.117 +// Adding a new getter, then adding a setter
1.118 +// Changing an existing accessor's enumerability, then "null"-changing the accessor
1.119 +// Changing an accessor's configurability, then "null"-changing and real-changing the accessor
1.120 +
1.121 +function g3() { }
1.122 +var gsobj = {};
1.123 +gsobj.__defineGetter__("baz", g3);
1.124 +check(gsobj, "baz", { get: g3, set: undefined, enumerable: true, configurable: true });
1.125 +
1.126 +function s3() { }
1.127 +gsobj.__defineSetter__("baz", s3);
1.128 +check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
1.129 +
1.130 +Object.defineProperty(gsobj, "baz", { enumerable: false });
1.131 +check(gsobj, "baz", { get: g3, set: s3, enumerable: false, configurable: true });
1.132 +
1.133 +gsobj.__defineGetter__("baz", g3);
1.134 +check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
1.135 +
1.136 +Object.defineProperty(gsobj, "baz", { enumerable: false });
1.137 +check(gsobj, "baz", { get: g3, set: s3, enumerable: false, configurable: true });
1.138 +
1.139 +gsobj.__defineSetter__("baz", s3);
1.140 +check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
1.141 +
1.142 +Object.defineProperty(gsobj, "baz", { configurable: false });
1.143 +expectTypeError(function() { gsobj.__defineSetter__("baz", s2); });
1.144 +expectTypeError(function() { gsobj.__defineSetter__("baz", s3); });
1.145 +check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: false });
1.146 +
1.147 +/******************************************************************************/
1.148 +
1.149 +// Adding a new setter, then adding a getter
1.150 +// Changing an existing accessor's enumerability, then "null"-changing the accessor
1.151 +// Changing an accessor's configurability, then "null"-changing and real-changing the accessor
1.152 +
1.153 +function s4() { }
1.154 +var sgobj = {};
1.155 +sgobj.__defineSetter__("baz", s4);
1.156 +check(sgobj, "baz", { get: undefined, set: s4, enumerable: true, configurable: true });
1.157 +
1.158 +function g4() { }
1.159 +sgobj.__defineGetter__("baz", g4);
1.160 +check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
1.161 +
1.162 +Object.defineProperty(sgobj, "baz", { enumerable: false });
1.163 +check(sgobj, "baz", { get: g4, set: s4, enumerable: false, configurable: true });
1.164 +
1.165 +sgobj.__defineSetter__("baz", s4);
1.166 +check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
1.167 +
1.168 +Object.defineProperty(sgobj, "baz", { enumerable: false });
1.169 +check(sgobj, "baz", { get: g4, set: s4, enumerable: false, configurable: true });
1.170 +
1.171 +sgobj.__defineSetter__("baz", s4);
1.172 +check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
1.173 +
1.174 +Object.defineProperty(sgobj, "baz", { configurable: false });
1.175 +expectTypeError(function() { sgobj.__defineGetter__("baz", g3); });
1.176 +expectTypeError(function() { sgobj.__defineSetter__("baz", s4); });
1.177 +check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: false });
1.178 +
1.179 +/******************************************************************************/
1.180 +
1.181 +// Adding a getter over a writable data property
1.182 +
1.183 +function g5() { }
1.184 +var gover = { quux: 17 };
1.185 +check(gover, "quux", { value: 17, writable: true, enumerable: true, configurable: true });
1.186 +
1.187 +gover.__defineGetter__("quux", g5);
1.188 +check(gover, "quux", { get: g5, set: undefined, enumerable: true, configurable: true });
1.189 +
1.190 +/******************************************************************************/
1.191 +
1.192 +// Adding a setter over a writable data property
1.193 +
1.194 +function s5() { }
1.195 +var sover = { quux: 17 };
1.196 +check(sover, "quux", { value: 17, writable: true, enumerable: true, configurable: true });
1.197 +
1.198 +sover.__defineSetter__("quux", s5);
1.199 +check(sover, "quux", { get: undefined, set: s5, enumerable: true, configurable: true });
1.200 +
1.201 +/******************************************************************************/
1.202 +
1.203 +// Adding a getter over a non-writable data property
1.204 +
1.205 +function g6() { }
1.206 +var gnover = { eit: 17 };
1.207 +check(gnover, "eit", { value: 17, writable: true, enumerable: true, configurable: true });
1.208 +Object.defineProperty(gnover, "eit", { writable: false });
1.209 +check(gnover, "eit", { value: 17, writable: false, enumerable: true, configurable: true });
1.210 +
1.211 +gnover.__defineGetter__("eit", g6);
1.212 +check(gnover, "eit", { get: g6, set: undefined, enumerable: true, configurable: true });
1.213 +
1.214 +/******************************************************************************/
1.215 +
1.216 +// Adding a setter over a non-writable data property
1.217 +
1.218 +function s6() { }
1.219 +var snover = { eit: 17 };
1.220 +check(snover, "eit", { value: 17, writable: true, enumerable: true, configurable: true });
1.221 +Object.defineProperty(snover, "eit", { writable: false });
1.222 +check(snover, "eit", { value: 17, writable: false, enumerable: true, configurable: true });
1.223 +
1.224 +snover.__defineSetter__("eit", s6);
1.225 +check(snover, "eit", { get: undefined, set: s6, enumerable: true, configurable: true });
1.226 +
1.227 +/******************************************************************************/
1.228 +
1.229 +// Adding a getter over a non-configurable, writable data property
1.230 +
1.231 +function g7() { }
1.232 +var gncover = { moo: 17 };
1.233 +check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: true });
1.234 +Object.defineProperty(gncover, "moo", { configurable: false });
1.235 +check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
1.236 +
1.237 +expectTypeError(function() { gncover.__defineGetter__("moo", g7); });
1.238 +check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
1.239 +
1.240 +/******************************************************************************/
1.241 +
1.242 +// Adding a setter over a non-configurable, writable data property
1.243 +
1.244 +function s7() { }
1.245 +var sncover = { moo: 17 };
1.246 +check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: true });
1.247 +Object.defineProperty(sncover, "moo", { configurable: false });
1.248 +check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
1.249 +
1.250 +expectTypeError(function() { sncover.__defineSetter__("moo", s7); });
1.251 +check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
1.252 +
1.253 +/******************************************************************************/
1.254 +
1.255 +// Adding a getter over a non-configurable, non-writable data property
1.256 +
1.257 +function g8() { }
1.258 +var gncwover = { fwoosh: 17 };
1.259 +check(gncwover, "fwoosh", { value: 17, writable: true, enumerable: true, configurable: true });
1.260 +Object.defineProperty(gncwover, "fwoosh", { writable: false, configurable: false });
1.261 +check(gncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
1.262 +
1.263 +expectTypeError(function() { gncwover.__defineGetter__("fwoosh", g7); });
1.264 +check(gncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
1.265 +
1.266 +/******************************************************************************/
1.267 +
1.268 +// Adding a setter over a non-configurable, non-writable data property
1.269 +
1.270 +function s8() { }
1.271 +var sncwover = { fwoosh: 17 };
1.272 +check(sncwover, "fwoosh", { value: 17, writable: true, enumerable: true, configurable: true });
1.273 +Object.defineProperty(sncwover, "fwoosh", { writable: false, configurable: false });
1.274 +check(sncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
1.275 +
1.276 +expectTypeError(function() { sncwover.__defineSetter__("fwoosh", s7); });
1.277 +check(sncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
1.278 +
1.279 +/******************************************************************************/
1.280 +
1.281 +if (typeof reportCompare === "function")
1.282 + reportCompare(true, true);
1.283 +
1.284 +print("Tests complete");
