predictype/dist/cjs/predicates/sets/setIntersection.spec.js

PredicType is a library of pre-built and tested predicates for TypeScript, covering various data types and operations.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const vitest_1 = require("vitest");
const setIntersection_js_1 = require("./setIntersection.js");
(0, vitest_1.describe)('setIntersection', () => {
    (0, vitest_1.it)('should return true for disjoint sets', () => {
        const a = new Set([1, 2]);
        const b = new Set([3, 4]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'disjoint', b)).toBe(true);
    });
    (0, vitest_1.it)('should return false for disjoint with intersecting sets', () => {
        const a = new Set([1, 2]);
        const b = new Set([2, 3]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'disjoint', b)).toBe(false);
    });
    (0, vitest_1.it)('should return true for intersects with common elements', () => {
        const a = new Set([1, 2, 3]);
        const b = new Set([3, 4, 5]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'intersects', b)).toBe(true);
    });
    (0, vitest_1.it)('should return false for intersects with disjoint sets', () => {
        const a = new Set([1, 2]);
        const b = new Set([3, 4]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'intersects', b)).toBe(false);
    });
    (0, vitest_1.it)('should handle empty sets', () => {
        const empty = new Set();
        const nonempty = new Set([1, 2]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(empty, 'disjoint', nonempty)).toBe(true);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(empty, 'intersects', nonempty)).toBe(false);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(empty, 'disjoint', empty)).toBe(true);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(empty, 'intersects', empty)).toBe(false);
    });
    (0, vitest_1.it)('should handle identical sets', () => {
        const a = new Set([1, 2, 3]);
        const b = new Set([1, 2, 3]);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'intersects', b)).toBe(true);
        (0, vitest_1.expect)((0, setIntersection_js_1.setIntersection)(a, 'disjoint', b)).toBe(false);
    });
    (0, vitest_1.it)('should throw for unknown operation', () => {
        const a = new Set([1, 2]);
        const b = new Set([2, 3]);
        // @ts-expect-error
        (0, vitest_1.expect)(() => (0, setIntersection_js_1.setIntersection)(a, 'unknown_operation', b)).toThrow('Unknown SetIntersection operation: unknown_operation');
    });
});