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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js')
-rw-r--r--js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js281
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diff --git a/js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js b/js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js
new file mode 100644
index 000000000..681a157a8
--- /dev/null
+++ b/js/src/tests/ecma_5/extensions/es5ish-defineGetter-defineSetter.js
@@ -0,0 +1,281 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 715821;
+var summary = "Implement __define[GS]etter__ using Object.defineProperty";
+
+print(BUGNUMBER + ": " + summary);
+
+/*************
+ * UTILITIES *
+ *************/
+
+function s(desc)
+{
+ if (typeof desc === "undefined")
+ return "<undefined>";
+ assertEq(typeof desc, "object");
+ assertEq(desc !== null, true);
+
+ var str = "<enumerable: <" + desc.enumerable + ">, " +
+ " configurable: <" + desc.configurable + ">,";
+
+ if (desc.hasOwnProperty("value"))
+ {
+ return str +
+ " value: <" + desc.value + ">," +
+ " writable: <" + desc.writable + ">>";
+ }
+
+ return str +
+ " get: <" + desc.get + ">," +
+ " set: <" + desc.set + ">>";
+}
+
+function checkField(field, desc, expected)
+{
+ var present = desc.hasOwnProperty(field);
+ assertEq(present, expected.hasOwnProperty(field),
+ field + " presence mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
+ if (present)
+ {
+ assertEq(desc[field], expected[field],
+ field + " value mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
+ }
+}
+
+function check(obj, prop, expected)
+{
+ var desc = Object.getOwnPropertyDescriptor(obj, prop);
+ assertEq(typeof desc, typeof expected,
+ "type mismatch (got " + s(desc) + ", expected " + s(expected) + ")");
+
+ assertEq(desc.hasOwnProperty("get"), desc.hasOwnProperty("set"),
+ "bad descriptor: " + s(desc));
+ assertEq(desc.hasOwnProperty("value"), desc.hasOwnProperty("writable"),
+ "bad descriptor: " + s(desc));
+
+ assertEq(desc.hasOwnProperty("get"), !desc.hasOwnProperty("value"),
+ "bad descriptor: " + s(desc));
+
+ checkField("get", desc, expected);
+ checkField("set", desc, expected);
+ checkField("value", desc, expected);
+ checkField("writable", desc, expected);
+ checkField("enumerable", desc, expected);
+ checkField("configurable", desc, expected);
+}
+
+function expectTypeError(f)
+{
+ try
+ {
+ f();
+ throw new Error("no error thrown");
+ }
+ catch (e)
+ {
+ assertEq(e instanceof TypeError, true,
+ "wrong error thrown: got " + e + ", not a TypeError");
+ }
+}
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// Adding a new getter, overwriting an existing one
+
+function g1() { }
+var gobj = {};
+gobj.__defineGetter__("foo", g1);
+check(gobj, "foo", { get: g1, set: undefined, enumerable: true, configurable: true });
+
+function g2() { }
+gobj.__defineGetter__("foo", g2);
+check(gobj, "foo", { get: g2, set: undefined, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a new setter, overwriting an existing one
+
+function s1() { }
+var sobj = {};
+sobj.__defineSetter__("bar", s1);
+check(sobj, "bar", { get: undefined, set: s1, enumerable: true, configurable: true });
+
+function s2() { }
+sobj.__defineSetter__("bar", s2);
+check(sobj, "bar", { get: undefined, set: s2, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a new getter, then adding a setter
+// Changing an existing accessor's enumerability, then "null"-changing the accessor
+// Changing an accessor's configurability, then "null"-changing and real-changing the accessor
+
+function g3() { }
+var gsobj = {};
+gsobj.__defineGetter__("baz", g3);
+check(gsobj, "baz", { get: g3, set: undefined, enumerable: true, configurable: true });
+
+function s3() { }
+gsobj.__defineSetter__("baz", s3);
+check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
+
+Object.defineProperty(gsobj, "baz", { enumerable: false });
+check(gsobj, "baz", { get: g3, set: s3, enumerable: false, configurable: true });
+
+gsobj.__defineGetter__("baz", g3);
+check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
+
+Object.defineProperty(gsobj, "baz", { enumerable: false });
+check(gsobj, "baz", { get: g3, set: s3, enumerable: false, configurable: true });
+
+gsobj.__defineSetter__("baz", s3);
+check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: true });
+
+Object.defineProperty(gsobj, "baz", { configurable: false });
+expectTypeError(function() { gsobj.__defineSetter__("baz", s2); });
+expectTypeError(function() { gsobj.__defineSetter__("baz", s3); });
+check(gsobj, "baz", { get: g3, set: s3, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+// Adding a new setter, then adding a getter
+// Changing an existing accessor's enumerability, then "null"-changing the accessor
+// Changing an accessor's configurability, then "null"-changing and real-changing the accessor
+
+function s4() { }
+var sgobj = {};
+sgobj.__defineSetter__("baz", s4);
+check(sgobj, "baz", { get: undefined, set: s4, enumerable: true, configurable: true });
+
+function g4() { }
+sgobj.__defineGetter__("baz", g4);
+check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
+
+Object.defineProperty(sgobj, "baz", { enumerable: false });
+check(sgobj, "baz", { get: g4, set: s4, enumerable: false, configurable: true });
+
+sgobj.__defineSetter__("baz", s4);
+check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
+
+Object.defineProperty(sgobj, "baz", { enumerable: false });
+check(sgobj, "baz", { get: g4, set: s4, enumerable: false, configurable: true });
+
+sgobj.__defineSetter__("baz", s4);
+check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: true });
+
+Object.defineProperty(sgobj, "baz", { configurable: false });
+expectTypeError(function() { sgobj.__defineGetter__("baz", g3); });
+expectTypeError(function() { sgobj.__defineSetter__("baz", s4); });
+check(sgobj, "baz", { get: g4, set: s4, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+// Adding a getter over a writable data property
+
+function g5() { }
+var gover = { quux: 17 };
+check(gover, "quux", { value: 17, writable: true, enumerable: true, configurable: true });
+
+gover.__defineGetter__("quux", g5);
+check(gover, "quux", { get: g5, set: undefined, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a setter over a writable data property
+
+function s5() { }
+var sover = { quux: 17 };
+check(sover, "quux", { value: 17, writable: true, enumerable: true, configurable: true });
+
+sover.__defineSetter__("quux", s5);
+check(sover, "quux", { get: undefined, set: s5, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a getter over a non-writable data property
+
+function g6() { }
+var gnover = { eit: 17 };
+check(gnover, "eit", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(gnover, "eit", { writable: false });
+check(gnover, "eit", { value: 17, writable: false, enumerable: true, configurable: true });
+
+gnover.__defineGetter__("eit", g6);
+check(gnover, "eit", { get: g6, set: undefined, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a setter over a non-writable data property
+
+function s6() { }
+var snover = { eit: 17 };
+check(snover, "eit", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(snover, "eit", { writable: false });
+check(snover, "eit", { value: 17, writable: false, enumerable: true, configurable: true });
+
+snover.__defineSetter__("eit", s6);
+check(snover, "eit", { get: undefined, set: s6, enumerable: true, configurable: true });
+
+/******************************************************************************/
+
+// Adding a getter over a non-configurable, writable data property
+
+function g7() { }
+var gncover = { moo: 17 };
+check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(gncover, "moo", { configurable: false });
+check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
+
+expectTypeError(function() { gncover.__defineGetter__("moo", g7); });
+check(gncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+// Adding a setter over a non-configurable, writable data property
+
+function s7() { }
+var sncover = { moo: 17 };
+check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(sncover, "moo", { configurable: false });
+check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
+
+expectTypeError(function() { sncover.__defineSetter__("moo", s7); });
+check(sncover, "moo", { value: 17, writable: true, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+// Adding a getter over a non-configurable, non-writable data property
+
+function g8() { }
+var gncwover = { fwoosh: 17 };
+check(gncwover, "fwoosh", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(gncwover, "fwoosh", { writable: false, configurable: false });
+check(gncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
+
+expectTypeError(function() { gncwover.__defineGetter__("fwoosh", g7); });
+check(gncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+// Adding a setter over a non-configurable, non-writable data property
+
+function s8() { }
+var sncwover = { fwoosh: 17 };
+check(sncwover, "fwoosh", { value: 17, writable: true, enumerable: true, configurable: true });
+Object.defineProperty(sncwover, "fwoosh", { writable: false, configurable: false });
+check(sncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
+
+expectTypeError(function() { sncwover.__defineSetter__("fwoosh", s7); });
+check(sncwover, "fwoosh", { value: 17, writable: false, enumerable: true, configurable: false });
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("Tests complete");