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LibJS: Set the length of Date.UTC to 7

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This is a bit unusual because there is only 1 required argument, but the
spec dictates that the length is 7.
This commit is contained in:
Timothy Flynn 2022-01-05 11:05:56 -05:00 • committed by Linus Groh
parent bb9db5937a
commit e8f860048e
2 changed files with 5 additions and 1 deletions
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2
Userland/Libraries/LibJS/Runtime/DateConstructor.cpp
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@ -156,7 +156,7 @@ void DateConstructor::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.now, now, 0, attr);
define_native_function(vm.names.parse, parse, 1, attr);
define_native_function(vm.names.UTC, utc, 1, attr);
define_native_function(vm.names.UTC, utc, 7, attr);
define_direct_property(vm.names.length, Value(7), Attribute::Configurable);
}

4
Userland/Libraries/LibJS/Tests/builtins/Date/Date.UTC.js
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@ -1,3 +1,7 @@
test("length is 7", () => {
expect(Date.UTC).toHaveLength(7);
});
test("basic functionality", () => {
expect(Date.UTC(2020)).toBe(1577836800000);
expect(Date.UTC(2000, 10)).toBe(973036800000);