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Libraries: Move to Userland/Libraries/

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This commit is contained in:
Andreas Kling 2021-01-12 12:17:30 +01:00
parent dc28c07fa5
commit 13d7c09125
1857 changed files with 266 additions and 274 deletions
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18
Userland/Libraries/LibJS/Tests/builtins/Object/Object.isExtensible.js Normal file
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test("basic functionality", () => {
expect(Object.isExtensible).toHaveLength(1);
expect(Object.isExtensible()).toBeFalse();
expect(Object.isExtensible(undefined)).toBeFalse();
expect(Object.isExtensible(null)).toBeFalse();
expect(Object.isExtensible(true)).toBeFalse();
expect(Object.isExtensible(6)).toBeFalse();
expect(Object.isExtensible("test")).toBeFalse();
let s = Symbol();
expect(Object.isExtensible(s)).toBeFalse();
let o = { foo: "foo" };
expect(Object.isExtensible(o)).toBeTrue();
Object.preventExtensions(o);
expect(Object.isExtensible(o)).toBeFalse();
});