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LibJS: Implement engineering and scientific number formatting

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This commit is contained in:
Timothy Flynn 2021-11-14 10:03:31 -05:00 • committed by Linus Groh
parent 30fbb7d9cd
commit 4d79ab6866
4 changed files with 167 additions and 18 deletions
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52
Userland/Libraries/LibJS/Tests/builtins/Intl/NumberFormat/NumberFormat.prototype.format.js
View file

@ -133,6 +133,58 @@ describe("style=decimal", () => {
expect(ar.format(1.234561)).toBe("\u0661\u066b\u0662\u0663\u0664\u0665\u0666");
});
test("notation=scientific", () => {
const en = new Intl.NumberFormat("en", { notation: "scientific" });
expect(en.format(1)).toBe("1E0");
expect(en.format(1.2)).toBe("1.2E0");
expect(en.format(12)).toBe("1.2E1");
expect(en.format(12.3)).toBe("1.23E1");
expect(en.format(123)).toBe("1.23E2");
expect(en.format(0.1)).toBe("1E-1");
expect(en.format(0.12)).toBe("1.2E-1");
expect(en.format(0.01)).toBe("1E-2");
const ar = new Intl.NumberFormat("ar", { notation: "scientific" });
expect(ar.format(1)).toBe("\u0661\u0627\u0633\u0660");
expect(ar.format(1.2)).toBe("\u0661\u066b\u0662\u0627\u0633\u0660");
expect(ar.format(12)).toBe("\u0661\u066b\u0662\u0627\u0633\u0661");
expect(ar.format(12.3)).toBe("\u0661\u066b\u0662\u0663\u0627\u0633\u0661");
expect(ar.format(123)).toBe("\u0661\u066b\u0662\u0663\u0627\u0633\u0662");
expect(ar.format(0.1)).toBe("\u0661\u0627\u0633\u061c-\u0661");
expect(ar.format(0.12)).toBe("\u0661\u066b\u0662\u0627\u0633\u061c-\u0661");
expect(ar.format(0.01)).toBe("\u0661\u0627\u0633\u061c-\u0662");
});
test("notation=engineering", () => {
const en = new Intl.NumberFormat("en", { notation: "engineering" });
expect(en.format(1)).toBe("1E0");
expect(en.format(1.2)).toBe("1.2E0");
expect(en.format(12)).toBe("12E0");
expect(en.format(123)).toBe("123E0");
expect(en.format(1234)).toBe("1.234E3");
expect(en.format(12345)).toBe("12.345E3");
expect(en.format(123456)).toBe("123.456E3");
expect(en.format(1234567)).toBe("1.235E6");
expect(en.format(0.1)).toBe("100E-3");
expect(en.format(0.12)).toBe("120E-3");
expect(en.format(1.23)).toBe("1.23E0");
const ar = new Intl.NumberFormat("ar", { notation: "engineering" });
expect(ar.format(1)).toBe("\u0661\u0627\u0633\u0660");
expect(ar.format(1.2)).toBe("\u0661\u066b\u0662\u0627\u0633\u0660");
expect(ar.format(12)).toBe("\u0661\u0662\u0627\u0633\u0660");
expect(ar.format(123)).toBe("\u0661\u0662\u0663\u0627\u0633\u0660");
expect(ar.format(1234)).toBe("\u0661\u066b\u0662\u0663\u0664\u0627\u0633\u0663");
expect(ar.format(12345)).toBe("\u0661\u0662\u066b\u0663\u0664\u0665\u0627\u0633\u0663");
expect(ar.format(123456)).toBe(
"\u0661\u0662\u0663\u066b\u0664\u0665\u0666\u0627\u0633\u0663"
);
expect(ar.format(1234567)).toBe("\u0661\u066b\u0662\u0663\u0665\u0627\u0633\u0666");
expect(ar.format(0.1)).toBe("\u0661\u0660\u0660\u0627\u0633\u061c-\u0663");
expect(ar.format(0.12)).toBe("\u0661\u0662\u0660\u0627\u0633\u061c-\u0663");
expect(ar.format(1.23)).toBe("\u0661\u066b\u0662\u0663\u0627\u0633\u0660");
});
test("notation=compact", () => {
const en = new Intl.NumberFormat("en", { notation: "compact" });
expect(en.format(1)).toBe("1");

68
Userland/Libraries/LibJS/Tests/builtins/Intl/NumberFormat/NumberFormat.prototype.formatToParts.js
View file

@ -244,6 +244,74 @@ describe("style=decimal", () => {
{ type: "integer", value: "\u0661\u0662\u0663\u0664\u0665\u0666\u0667" },
]);
});
test("notation=scientific", () => {
const en = new Intl.NumberFormat("en", { notation: "scientific" });
expect(en.formatToParts(12.3)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "23" },
{ type: "exponentSeparator", value: "E" },
{ type: "exponentInteger", value: "1" },
]);
expect(en.formatToParts(0.12)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "2" },
{ type: "exponentSeparator", value: "E" },
{ type: "exponentMinusSign", value: "-" },
{ type: "exponentInteger", value: "1" },
]);
const ar = new Intl.NumberFormat("ar", { notation: "scientific" });
expect(ar.formatToParts(12.3)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663" },
{ type: "exponentSeparator", value: "\u0627\u0633" },
{ type: "exponentInteger", value: "\u0661" },
]);
expect(ar.formatToParts(0.12)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662" },
{ type: "exponentSeparator", value: "\u0627\u0633" },
{ type: "exponentMinusSign", value: "\u061c-" },
{ type: "exponentInteger", value: "\u0661" },
]);
});
test("notation=engineering", () => {
const en = new Intl.NumberFormat("en", { notation: "engineering" });
expect(en.formatToParts(1234)).toEqual([
{ type: "integer", value: "1" },
{ type: "decimal", value: "." },
{ type: "fraction", value: "234" },
{ type: "exponentSeparator", value: "E" },
{ type: "exponentInteger", value: "3" },
]);
expect(en.formatToParts(0.12)).toEqual([
{ type: "integer", value: "120" },
{ type: "exponentSeparator", value: "E" },
{ type: "exponentMinusSign", value: "-" },
{ type: "exponentInteger", value: "3" },
]);
const ar = new Intl.NumberFormat("ar", { notation: "engineering" });
expect(ar.formatToParts(1234)).toEqual([
{ type: "integer", value: "\u0661" },
{ type: "decimal", value: "\u066b" },
{ type: "fraction", value: "\u0662\u0663\u0664" },
{ type: "exponentSeparator", value: "\u0627\u0633" },
{ type: "exponentInteger", value: "\u0663" },
]);
expect(ar.formatToParts(0.12)).toEqual([
{ type: "integer", value: "\u0661\u0662\u0660" },
{ type: "exponentSeparator", value: "\u0627\u0633" },
{ type: "exponentMinusSign", value: "\u061c-" },
{ type: "exponentInteger", value: "\u0663" },
]);
});
});
describe("style=percent", () => {