predictype/dist/cjs/predicates/maps/mapKey.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 mapKey_js_1 = require("./mapKey.js");
(0, vitest_1.describe)('mapKey', () => {
    (0, vitest_1.it)('should return true for contains_key', () => {
        const m = new Map([[1, 'a']]);
        (0, vitest_1.expect)((0, mapKey_js_1.mapKey)(m, 'contains_key', 1)).toBe(true);
    });
    (0, vitest_1.it)('should return false for contains_key with missing key', () => {
        const m = new Map([[1, 'a']]);
        (0, vitest_1.expect)((0, mapKey_js_1.mapKey)(m, 'contains_key', 2)).toBe(false);
    });
    (0, vitest_1.it)('should return true for lacks_key', () => {
        const m = new Map([[1, 'a']]);
        (0, vitest_1.expect)((0, mapKey_js_1.mapKey)(m, 'lacks_key', 2)).toBe(true);
    });
    (0, vitest_1.it)('should return false for lacks_key with present key', () => {
        const m = new Map([[1, 'a']]);
        (0, vitest_1.expect)((0, mapKey_js_1.mapKey)(m, 'lacks_key', 1)).toBe(false);
    });
    (0, vitest_1.it)('should throw for unknown operation', () => {
        const m = new Map([[1, 'a']]);
        // @ts-expect-error
        (0, vitest_1.expect)(() => (0, mapKey_js_1.mapKey)(m, 'unknown', 1)).toThrow('Unknown MapKey operation');
    });
});