31 lines
943 B
TypeScript
31 lines
943 B
TypeScript
import { describe, it, expect } from "vitest";
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import { arrayLiteralIncludes } from "../../../src/common/array/literal-includes";
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describe("arrayLiteralIncludes", () => {
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const array = ["a", "b", "c"] as const;
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const includes = arrayLiteralIncludes(array);
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it("should return true if the element is in the array", () => {
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expect(includes("a")).toBe(true);
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expect(includes("b")).toBe(true);
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expect(includes("c")).toBe(true);
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});
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it("should return false if the element is not in the array", () => {
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expect(includes("d")).toBe(false);
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expect(includes(1)).toBe(false);
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});
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it("should respect the fromIndex parameter", () => {
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expect(includes("a", 1)).toBe(false);
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expect(includes("b", 1)).toBe(true);
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});
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it("should handle empty arrays", () => {
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const emptyArray = [] as const;
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const includesEmpty = arrayLiteralIncludes(emptyArray);
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expect(includesEmpty("a")).toBe(false);
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});
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});
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