55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
const expect = require('expect');
|
|
const {union} = require('./_30s.js');
|
|
|
|
test('union is a Function', () => {
|
|
expect(union).toBeInstanceOf(Function);
|
|
});
|
|
test('union([1, 2, 3], [4, 3, 2]) returns [1, 2, 3, 4]', () => {
|
|
expect(union([1, 2, 3], [4, 3, 2])).toEqual([1, 2, 3, 4]);
|
|
});
|
|
test("union('str', 'asd') returns [ 's', 't', 'r', 'a', 'd' ]", () => {
|
|
expect(union('str', 'asd')).toEqual(['s', 't', 'r', 'a', 'd']);
|
|
});
|
|
test('union([[], {}], [1, 2, 3]) returns [[], {}, 1, 2, 3]', () => {
|
|
expect(union([[], {}], [1, 2, 3])).toEqual([[], {}, 1, 2, 3]);
|
|
});
|
|
test('union([], []) returns []', () => {
|
|
expect(union([], [])).toEqual([]);
|
|
});
|
|
test('union() throws an error', () => {
|
|
expect(() => {
|
|
union();
|
|
}).toThrow();
|
|
});
|
|
test("union(true, 'str') throws an error", () => {
|
|
expect(() => {
|
|
union(true, 'str');
|
|
}).toThrow();
|
|
});
|
|
test("union('false', true) throws an error", () => {
|
|
expect(() => {
|
|
union('false', true);
|
|
}).toThrow();
|
|
});
|
|
test('union((123, {}) throws an error', () => {
|
|
expect(() => {
|
|
union(123, {});
|
|
}).toThrow();
|
|
});
|
|
test('union([], {}) throws an error', () => {
|
|
expect(() => {
|
|
union([], {});
|
|
}).toThrow();
|
|
});
|
|
test('union(undefined, null) throws an error', () => {
|
|
expect(() => {
|
|
union(undefined, null);
|
|
}).toThrow();
|
|
});
|
|
let start = new Date().getTime();
|
|
union([1, 2, 3], [4, 3, 2]);
|
|
let end = new Date().getTime();
|
|
test('union([1, 2, 3], [4, 3, 2]) takes less than 2s to run', () => {
|
|
expect(end - start < 2000).toBeTruthy();
|
|
});
|