e443a8fa51
添加 bunfig.toml 配置、test script，以及三组示例测试： - src/utils/array.ts (intersperse, count, uniq) - src/utils/set.ts (difference, intersects, every, union) - packages/color-diff-napi (ansi256FromRgb, colorToEscape, detectLanguage 等) 41 tests, 0 failures. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
64 lines
1.9 KiB
TypeScript
64 lines
1.9 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import { difference, every, intersects, union } from "../set";
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describe("difference", () => {
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test("returns elements in a but not in b", () => {
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const result = difference(new Set([1, 2, 3]), new Set([2, 3, 4]));
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expect(result).toEqual(new Set([1]));
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});
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test("returns empty set when a is subset of b", () => {
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expect(difference(new Set([1, 2]), new Set([1, 2, 3]))).toEqual(new Set());
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});
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test("returns a when b is empty", () => {
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expect(difference(new Set([1, 2]), new Set())).toEqual(new Set([1, 2]));
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});
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});
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describe("intersects", () => {
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test("returns true when sets share elements", () => {
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expect(intersects(new Set([1, 2]), new Set([2, 3]))).toBe(true);
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});
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test("returns false when sets are disjoint", () => {
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expect(intersects(new Set([1, 2]), new Set([3, 4]))).toBe(false);
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});
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test("returns false for empty sets", () => {
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expect(intersects(new Set(), new Set([1]))).toBe(false);
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expect(intersects(new Set([1]), new Set())).toBe(false);
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});
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});
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describe("every", () => {
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test("returns true when a is subset of b", () => {
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expect(every(new Set([1, 2]), new Set([1, 2, 3]))).toBe(true);
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});
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test("returns false when a has elements not in b", () => {
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expect(every(new Set([1, 4]), new Set([1, 2, 3]))).toBe(false);
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});
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test("returns true for empty a", () => {
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expect(every(new Set(), new Set([1, 2]))).toBe(true);
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});
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});
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describe("union", () => {
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test("combines both sets", () => {
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const result = union(new Set([1, 2]), new Set([3, 4]));
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expect(result).toEqual(new Set([1, 2, 3, 4]));
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});
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test("deduplicates shared elements", () => {
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const result = union(new Set([1, 2]), new Set([2, 3]));
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expect(result).toEqual(new Set([1, 2, 3]));
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});
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test("handles empty sets", () => {
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expect(union(new Set(), new Set([1]))).toEqual(new Set([1]));
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expect(union(new Set([1]), new Set())).toEqual(new Set([1]));
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});
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});
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