62 wiersze
1.4 KiB
TypeScript
62 wiersze
1.4 KiB
TypeScript
import {
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capitalize,
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flatten,
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float,
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inclusiveRange,
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rad2deg,
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range,
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toFriendlyDecimal,
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withoutNulls,
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} from "./util";
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describe("float", () => {
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it("converts strings", () => {
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expect(float("1.0")).toBe(1.0);
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});
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it("returns numbers as-is", () => {
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expect(float(1.0)).toBe(1.0);
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});
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it("throws errors on NaN", () => {
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expect(() => float("LOL")).toThrow("Expected 'LOL' to be a float!");
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});
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});
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test("flatten() works", () => {
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expect(flatten([[1], [2, 3], [4]])).toEqual([1, 2, 3, 4]);
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});
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test("rad2deg() works", () => {
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expect(rad2deg(0)).toBe(0);
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expect(rad2deg(-Math.PI)).toBe(-180);
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expect(rad2deg(Math.PI)).toBe(180);
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expect(rad2deg(Math.PI - 0.0000001)).toBeCloseTo(180);
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expect(rad2deg(2 * Math.PI)).toBe(360);
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});
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test("range() works", () => {
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expect(range(0)).toEqual([]);
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expect(range(1)).toEqual([0]);
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expect(range(5)).toEqual([0, 1, 2, 3, 4]);
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});
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test("inclusiveRange() works", () => {
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expect(inclusiveRange({ min: 0, max: 1, step: 0.5 })).toEqual([0, 0.5, 1]);
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});
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test("toFriendlyDecimal() works", () => {
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expect(toFriendlyDecimal(1.850000000143)).toEqual("1.85");
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});
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test("withoutNulls() works", () => {
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expect(withoutNulls([1, 2, 0, null, 3])).toEqual([1, 2, 0, 3]);
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});
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test("capitalize() works", () => {
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for (let boop of ["boop", "BOOP", "Boop", "bOoP"]) {
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expect(capitalize(boop)).toBe("Boop");
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}
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expect(capitalize("")).toBe("");
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});
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