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Code Issues Releases Wiki Activity

8.12.9: Merge property descriptors (writable, enumerable, configurable)

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This commit is contained in:
Robert Krimen
2013-07-21 10:51:30 -07:00
parent 4c63bd4498
commit 6307c5ebaf
2 changed files with 43 additions and 13 deletions
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36
object_test.go
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@@ -170,24 +170,24 @@ func TestObject_seal(t *testing.T) {
test := runTest()
test(`raise: Object.seal()`, "TypeError")
test(`
var abc = {a:1,b:1,c:3};
var sealed = Object.isSealed(abc);
Object.seal(abc);
[sealed, Object.isSealed(abc)];
`, "false,true")
var abc = {a:1,b:1,c:3};
var sealed = Object.isSealed(abc);
Object.seal(abc);
[sealed, Object.isSealed(abc)];
`, "false,true")
test(`
var abc = {a:1,b:1,c:3};
var sealed = Object.isSealed(abc);
var caught = false;
Object.seal(abc);
abc.b = 5;
Object.defineProperty(abc, "a", {value:4});
try {
Object.defineProperty(abc, "a", {value:42,enumerable:false});
} catch (e) {
caught = e instanceof TypeError;
}
[sealed, Object.isSealed(abc), caught, abc.a, abc.b];
Object.defineProperty(abc, "a", {value:4});
try {
Object.defineProperty(abc, "a", {value:42,enumerable:false});
} catch (e) {
caught = e instanceof TypeError;
}
[sealed, Object.isSealed(abc), caught, abc.a, abc.b];
`, "false,true,true,4,5")
test(`Object.seal.length`, "1")
@@ -262,6 +262,18 @@ func TestObject_defineProperty(t *testing.T) {
`,
"true",
)
test(`
var abc = {};
abc.def = 3.14; // Default: writable: true, enumerable: true, configurable: true
Object.defineProperty(abc, "def", {
value: 42
});
var ghi = Object.getOwnPropertyDescriptor(abc, "def");
[ ghi.value, ghi.writable, ghi.enumerable, ghi.configurable ];
`, "42,true,true,true")
}
func TestObject_keys(t *testing.T) {