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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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242
Libraries/LibJS/Tests/builtins/Object/Object.defineProperty.js
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@ -1,242 +0,0 @@
describe("normal functionality", () => {
let s = Symbol("foo");
test("non-configurable string property", () => {
let o = {};
Object.defineProperty(o, "foo", { value: 1, writable: false, enumerable: false });
expect(o.foo).toBe(1);
o.foo = 2;
expect(o.foo).toBe(1);
expect(o).not.toHaveConfigurableProperty("foo");
expect(o).not.toHaveEnumerableProperty("foo");
expect(o).not.toHaveWritableProperty("foo");
expect(o).toHaveValueProperty("foo", 1);
});
test("non-configurable symbol property", () => {
let o = {};
Object.defineProperty(o, s, { value: 1, writable: false, enumerable: false });
expect(o[s]).toBe(1);
o[s] = 2;
expect(o[s]).toBe(1);
expect(o).not.toHaveConfigurableProperty(s);
expect(o).not.toHaveEnumerableProperty(s);
expect(o).not.toHaveWritableProperty(s);
expect(o).toHaveValueProperty(s, 1);
});
test("array index getter", () => {
let o = {};
Object.defineProperty(o, 2, {
get() {
return 10;
},
});
expect(o[2]).toBe(10);
});
test("symbol property getter", () => {
let o = {};
Object.defineProperty(o, s, {
get() {
return 10;
},
});
expect(o[s]).toBe(10);
});
test("configurable string property", () => {
let o = {};
Object.defineProperty(o, "foo", { value: "hi", writable: true, enumerable: true });
expect(o.foo).toBe("hi");
o.foo = "ho";
expect(o.foo).toBe("ho");
expect(o).not.toHaveConfigurableProperty("foo");
expect(o).toHaveEnumerableProperty("foo");
expect(o).toHaveWritableProperty("foo");
expect(o).toHaveValueProperty("foo", "ho");
});
test("configurable symbol property", () => {
let o = {};
Object.defineProperty(o, s, { value: "hi", writable: true, enumerable: true });
expect(o[s]).toBe("hi");
o[s] = "ho";
expect(o[s]).toBe("ho");
expect(o).not.toHaveConfigurableProperty(s);
expect(o).toHaveEnumerableProperty(s);
expect(o).toHaveWritableProperty(s);
expect(o).toHaveValueProperty(s, "ho");
});
test("reconfigure configurable string property", () => {
let o = {};
Object.defineProperty(o, "foo", { value: 9, configurable: true, writable: false });
Object.defineProperty(o, "foo", { configurable: true, writable: true });
expect(o).toHaveConfigurableProperty("foo");
expect(o).toHaveWritableProperty("foo");
expect(o).not.toHaveEnumerableProperty("foo");
expect(o).toHaveValueProperty("foo", 9);
});
test("reconfigure configurable symbol property", () => {
let o = {};
Object.defineProperty(o, s, { value: 9, configurable: true, writable: false });
Object.defineProperty(o, s, { configurable: true, writable: true });
expect(o).toHaveConfigurableProperty(s);
expect(o).toHaveWritableProperty(s);
expect(o).not.toHaveEnumerableProperty(s);
expect(o).toHaveValueProperty(s, 9);
});
test("define string accessor", () => {
let o = {};
Object.defineProperty(o, "foo", {
configurable: true,
get() {
return o.secret_foo + 1;
},
set(value) {
this.secret_foo = value + 1;
},
});
o.foo = 10;
expect(o.foo).toBe(12);
o.foo = 20;
expect(o.foo).toBe(22);
Object.defineProperty(o, "foo", { configurable: true, value: 4 });
expect(o.foo).toBe(4);
expect((o.foo = 5)).toBe(5);
expect((o.foo = 4)).toBe(4);
});
test("define symbol accessor", () => {
let o = {};
Object.defineProperty(o, s, {
configurable: true,
get() {
return o.secret_foo + 1;
},
set(value) {
this.secret_foo = value + 1;
},
});
o[s] = 10;
expect(o[s]).toBe(12);
o[s] = 20;
expect(o[s]).toBe(22);
Object.defineProperty(o, s, { configurable: true, value: 4 });
expect(o[s]).toBe(4);
expect((o[s] = 5)).toBe(5);
expect((o[s] = 4)).toBe(4);
});
test("issue #3735, reconfiguring property in unique shape", () => {
const o = {};
// In LibJS an object with more than 100 properties gets a unique shape
for (let i = 0; i < 101; ++i) {
o[`property${i}`] = i;
}
Object.defineProperty(o, "x", { configurable: true });
Object.defineProperty(o, "x", { configurable: false });
});
});
describe("errors", () => {
test("redefine non-configurable property", () => {
let o = {};
Object.defineProperty(o, "foo", { value: 1, writable: true, enumerable: true });
expect(() => {
Object.defineProperty(o, "foo", { value: 2, writable: false, enumerable: true });
}).toThrowWithMessage(
TypeError,
"Cannot change attributes of non-configurable property 'foo'"
);
});
test("redefine non-configurable symbol property", () => {
let o = {};
let s = Symbol("foo");
Object.defineProperty(o, s, { value: 1, writable: true, enumerable: true });
expect(() => {
Object.defineProperty(o, s, { value: 2, writable: false, enumerable: true });
}).toThrowWithMessage(
TypeError,
"Cannot change attributes of non-configurable property 'Symbol(foo)'"
);
});
test("cannot define 'value' and 'get' in the same descriptor", () => {
let o = {};
expect(() => {
Object.defineProperty(o, "a", {
get() {},
value: 9,
});
}).toThrowWithMessage(
TypeError,
"Accessor property descriptor cannot specify a value or writable key"
);
});
test("cannot define 'value' and 'set' in the same descriptor", () => {
let o = {};
expect(() => {
Object.defineProperty(o, "a", {
set() {},
writable: true,
});
}).toThrowWithMessage(
TypeError,
"Accessor property descriptor cannot specify a value or writable key"
);
});
test("redefine non-configurable accessor", () => {
let o = {};
Object.defineProperty(o, "foo", {
configurable: false,
get() {
return this.secret_foo + 2;
},
set(value) {
o.secret_foo = value + 2;
},
});
expect(() => {
Object.defineProperty(o, "foo", {
configurable: false,
get() {
return this.secret_foo + 2;
},
});
}).toThrowWithMessage(
TypeError,
"Cannot change attributes of non-configurable property 'foo'"
);
});
});