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LibJS: Implement Intl.ListFormat.prototype.format

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Timothy Flynn 2021-09-06 14:37:23 -04:00 • committed by Linus Groh
parent 3b410742ab
commit cdba40f7ea
7 changed files with 517 additions and 0 deletions
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186
Userland/Libraries/LibJS/Tests/builtins/Intl/ListFormat/ListFormat.prototype.format.js Normal file
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describe("errors", () => {
function SomeError() {}
test("called on non-ListFormat object", () => {
expect(() => {
Intl.ListFormat.prototype.format([]);
}).toThrowWithMessage(TypeError, "Not a Intl.ListFormat object");
});
test("called with non-string iterable", () => {
expect(() => {
new Intl.ListFormat().format([1]);
}).toThrowWithMessage(TypeError, "1 is not a string");
});
test("called with iterable that throws immediately", () => {
let iterable = {
[Symbol.iterator]() {
throw new SomeError();
},
};
expect(() => {
new Intl.ListFormat().format(iterable);
}).toThrow(SomeError);
});
test("called with iterable that throws on step", () => {
let iterable = {
[Symbol.iterator]() {
return this;
},
next() {
throw new SomeError();
},
};
expect(() => {
new Intl.ListFormat().format(iterable);
}).toThrow(SomeError);
});
test("called with iterable that throws on value resolution", () => {
let iterable = {
[Symbol.iterator]() {
return this;
},
next() {
return {
done: false,
get value() {
throw new SomeError();
},
};
},
};
expect(() => {
new Intl.ListFormat().format(iterable);
}).toThrow(SomeError);
});
});
describe("correct behavior", () => {
test("length is 1", () => {
expect(Intl.ListFormat.prototype.format).toHaveLength(1);
});
test("undefined list returns empty string", () => {
expect(new Intl.ListFormat().format(undefined)).toBe("");
});
});
describe("type=conjunction", () => {
test("style=long", () => {
let en = new Intl.ListFormat("en", { type: "conjunction", style: "long" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a and b");
expect(en.format(["a", "b", "c"])).toBe("a, b, and c");
let es = new Intl.ListFormat("es-419", { type: "conjunction", style: "long" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a y b");
expect(es.format(["a", "b", "c"])).toBe("a, b y c");
});
test("style=short", () => {
let en = new Intl.ListFormat("en", { type: "conjunction", style: "short" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a & b");
expect(en.format(["a", "b", "c"])).toBe("a, b, & c");
let es = new Intl.ListFormat("es-419", { type: "conjunction", style: "short" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a y b");
expect(es.format(["a", "b", "c"])).toBe("a, b y c");
});
test("style=narrow", () => {
let en = new Intl.ListFormat("en", { type: "conjunction", style: "narrow" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a, b");
expect(en.format(["a", "b", "c"])).toBe("a, b, c");
let es = new Intl.ListFormat("es-419", { type: "conjunction", style: "narrow" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a y b");
expect(es.format(["a", "b", "c"])).toBe("a, b y c");
});
});
describe("type=disjunction", () => {
test("style=long", () => {
let en = new Intl.ListFormat("en", { type: "disjunction", style: "long" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a or b");
expect(en.format(["a", "b", "c"])).toBe("a, b, or c");
let es = new Intl.ListFormat("es-419", { type: "disjunction", style: "long" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a o b");
expect(es.format(["a", "b", "c"])).toBe("a, b o c");
});
test("style=short", () => {
let en = new Intl.ListFormat("en", { type: "disjunction", style: "short" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a or b");
expect(en.format(["a", "b", "c"])).toBe("a, b, or c");
let es = new Intl.ListFormat("es-419", { type: "disjunction", style: "short" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a o b");
expect(es.format(["a", "b", "c"])).toBe("a, b o c");
});
test("style=narrow", () => {
let en = new Intl.ListFormat("en", { type: "disjunction", style: "narrow" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a or b");
expect(en.format(["a", "b", "c"])).toBe("a, b, or c");
let es = new Intl.ListFormat("es-419", { type: "disjunction", style: "narrow" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a o b");
expect(es.format(["a", "b", "c"])).toBe("a, b o c");
});
});
describe("type=unit", () => {
test("style=long", () => {
let en = new Intl.ListFormat("en", { type: "unit", style: "long" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a, b");
expect(en.format(["a", "b", "c"])).toBe("a, b, c");
let es = new Intl.ListFormat("es-419", { type: "unit", style: "long" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a y b");
expect(es.format(["a", "b", "c"])).toBe("a, b y c");
});
test("style=short", () => {
let en = new Intl.ListFormat("en", { type: "unit", style: "short" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a, b");
expect(en.format(["a", "b", "c"])).toBe("a, b, c");
let es = new Intl.ListFormat("es-419", { type: "unit", style: "short" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a y b");
expect(es.format(["a", "b", "c"])).toBe("a, b, c");
});
test("style=narrow", () => {
let en = new Intl.ListFormat("en", { type: "unit", style: "narrow" });
expect(en.format(["a"])).toBe("a");
expect(en.format(["a", "b"])).toBe("a b");
expect(en.format(["a", "b", "c"])).toBe("a b c");
let es = new Intl.ListFormat("es-419", { type: "unit", style: "narrow" });
expect(es.format(["a"])).toBe("a");
expect(es.format(["a", "b"])).toBe("a b");
expect(es.format(["a", "b", "c"])).toBe("a b c");
});
});