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LibJS: Implement ECMA-402 BigInt.prototype.toLocaleString

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Timothy Flynn 2022-01-30 13:11:19 -05:00 • committed by Linus Groh
parent d6e926e5b1
commit 687276fc38
2 changed files with 95 additions and 1 deletions
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79
Userland/Libraries/LibJS/Tests/builtins/BigInt/BigInt.prototype.toLocaleString.js
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@ -8,3 +8,82 @@ test("calling with non-BigInt |this|", () => {
BigInt.prototype.toLocaleString.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type BigInt");
});
test("default", () => {
expect(1n.toLocaleString("en")).toBe("1");
expect(12n.toLocaleString("en")).toBe("12");
expect(123n.toLocaleString("en")).toBe("123");
expect(123456789123456789123456789123456789n.toLocaleString("en")).toBe(
"123,456,789,123,456,789,123,456,789,123,456,789"
);
const ar = new Intl.NumberFormat("ar");
expect(1n.toLocaleString("ar")).toBe("\u0661");
expect(12n.toLocaleString("ar")).toBe("\u0661\u0662");
expect(123n.toLocaleString("ar")).toBe("\u0661\u0662\u0663");
expect(123456789123456789123456789123456789n.toLocaleString("ar")).toBe(
"\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669\u066c\u0661\u0662\u0663\u066c\u0664\u0665\u0666\u066c\u0667\u0668\u0669"
);
});
test("integer digits", () => {
expect(1n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("01");
expect(12n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("12");
expect(123n.toLocaleString("en", { minimumIntegerDigits: 2 })).toBe("123");
expect(1n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0660\u0661");
expect(12n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0661\u0662");
expect(123n.toLocaleString("ar", { minimumIntegerDigits: 2 })).toBe("\u0661\u0662\u0663");
});
test("significant digits", () => {
expect(
1n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("1.000");
expect(
12n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("12.00");
expect(
123n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("123.0");
expect(
1234n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("1,234");
expect(
12345n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("12,345");
expect(
123456n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("123,456");
expect(
1234567n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("1,234,570");
expect(
1234561n.toLocaleString("en", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("1,234,560");
expect(
1n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u066b\u0660\u0660\u0660");
expect(
12n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u0662\u066b\u0660\u0660");
expect(
123n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u0662\u0663\u066b\u0660");
expect(
1234n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u066c\u0662\u0663\u0664");
expect(
12345n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u0662\u066c\u0663\u0664\u0665");
expect(
123456n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u0662\u0663\u066c\u0664\u0665\u0666");
expect(
1234567n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u066c\u0662\u0663\u0664\u066c\u0665\u0667\u0660");
expect(
1234561n.toLocaleString("ar", { minimumSignificantDigits: 4, maximumSignificantDigits: 6 })
).toBe("\u0661\u066c\u0662\u0663\u0664\u066c\u0665\u0666\u0660");
});