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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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42
Libraries/LibJS/Tests/builtins/Reflect/Reflect.preventExtensions.js
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@ -1,42 +0,0 @@
describe("errors", () => {
test("target must be an object", () => {
[null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
expect(() => {
Reflect.preventExtensions(value);
}).toThrowWithMessage(
TypeError,
"First argument of Reflect.preventExtensions() must be an object"
);
});
});
});
describe("normal behavior", () => {
test("length is 1", () => {
expect(Reflect.preventExtensions).toHaveLength(1);
});
test("properties cannot be added", () => {
var o = {};
o.foo = "foo";
expect(Reflect.preventExtensions(o)).toBeTrue();
o.bar = "bar";
expect(o.foo).toBe("foo");
expect(o.bar).toBeUndefined();
});
test("modifying existing properties", () => {
const o = {};
o.foo = "foo";
expect(Reflect.preventExtensions(o)).toBeTrue();
o.foo = "bar";
expect(o.foo).toBe("bar");
});
test("deleting existing properties", () => {
const o = { foo: "bar" };
Reflect.preventExtensions(o);
delete o.foo;
expect(o).not.toHaveProperty("foo");
});
});