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Diffstat (limited to 'js/src/tests/non262/extensions/es5ish-defineGetter-defineSetter.js')
-rw-r--r-- | js/src/tests/non262/extensions/es5ish-defineGetter-defineSetter.js | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/es5ish-defineGetter-defineSetter.js b/js/src/tests/non262/extensions/es5ish-defineGetter-defineSetter.js new file mode 100644 index 0000000000..681a157a8b --- /dev/null +++ b/js/src/tests/non262/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"); |