Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly
Sign up
Appearance settings

Commit a4fe592

Browse files
committed
feat: add tests
1 parent 7fa2851 commit a4fe592

File tree

4 files changed

+245
-0
lines changed

4 files changed

+245
-0
lines changed
Lines changed: 28 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,28 @@
1+
import { describe, expect, test } from '@jest/globals';
2+
import decimalToBinary from '../decimal-to-binary';
3+
4+
describe('decimalToBinary', () => {
5+
test('should convert decimal number 0 to binary', () => {
6+
expect(decimalToBinary(0)).toBe('0');
7+
});
8+
9+
test('should convert decimal number 1 to binary', () => {
10+
expect(decimalToBinary(1)).toBe('1');
11+
});
12+
13+
test('should convert decimal number 10 to binary', () => {
14+
expect(decimalToBinary(10)).toBe('1010');
15+
});
16+
17+
test('should convert decimal number 15 to binary', () => {
18+
expect(decimalToBinary(15)).toBe('1111');
19+
});
20+
21+
test('should convert decimal number 100 to binary', () => {
22+
expect(decimalToBinary(100)).toBe('1100100');
23+
});
24+
25+
test('should convert decimal number 255 to binary', () => {
26+
expect(decimalToBinary(255)).toBe('11111111');
27+
});
28+
});
Lines changed: 28 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,28 @@
1+
import { describe, expect, test } from '@jest/globals';
2+
import decimalToBinary from '../decimal-to-binary';
3+
4+
describe('decimalToBinary', () => {
5+
test('should convert decimal number 0 to binary', () => {
6+
expect(decimalToBinary(0)).toBe('0');
7+
});
8+
9+
test('should convert decimal number 1 to binary', () => {
10+
expect(decimalToBinary(1)).toBe('1');
11+
});
12+
13+
test('should convert decimal number 10 to binary', () => {
14+
expect(decimalToBinary(10)).toBe('1010');
15+
});
16+
17+
test('should convert decimal number 15 to binary', () => {
18+
expect(decimalToBinary(15)).toBe('1111');
19+
});
20+
21+
test('should convert decimal number 100 to binary', () => {
22+
expect(decimalToBinary(100)).toBe('1100100');
23+
});
24+
25+
test('should convert decimal number 255 to binary', () => {
26+
expect(decimalToBinary(255)).toBe('11111111');
27+
});
28+
});
Lines changed: 97 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,97 @@
1+
import { describe, expect, test, beforeEach } from '@jest/globals';
2+
import Stack from '../stack-object';
3+
4+
describe('Stack', () => {
5+
let stack: Stack<number>;
6+
7+
beforeEach(() => {
8+
stack = new Stack<number>();
9+
});
10+
11+
test('push should add an item to the stack', () => {
12+
stack.push(1);
13+
stack.push(2);
14+
stack.push(3);
15+
16+
expect(stack.size).toBe(3);
17+
});
18+
19+
test('pop should remove and return the top item from the stack', () => {
20+
stack.push(1);
21+
stack.push(2);
22+
stack.push(3);
23+
24+
const poppedItem = stack.pop();
25+
26+
expect(poppedItem).toBe(3);
27+
expect(stack.size).toBe(2);
28+
});
29+
30+
test('pop should return undefined if the stack is empty', () => {
31+
expect(stack.pop()).toBeUndefined();
32+
});
33+
34+
test('peek should return the top item from the stack without removing it', () => {
35+
stack.push(1);
36+
stack.push(2);
37+
stack.push(3);
38+
39+
const topItem = stack.peek();
40+
41+
expect(topItem).toBe(3);
42+
expect(stack.size).toBe(3);
43+
});
44+
45+
test('isEmpty should return true if the stack is empty', () => {
46+
expect(stack.isEmpty()).toBe(true);
47+
48+
stack.push(1);
49+
50+
expect(stack.isEmpty()).toBe(false);
51+
});
52+
53+
test('size should return the number of items in the stack', () => {
54+
expect(stack.size).toBe(0);
55+
56+
stack.push(1);
57+
stack.push(2);
58+
stack.push(3);
59+
60+
expect(stack.size).toBe(3);
61+
});
62+
63+
test('clear should remove all items from the stack', () => {
64+
stack.push(1);
65+
stack.push(2);
66+
stack.push(3);
67+
68+
stack.clear();
69+
70+
expect(stack.size).toBe(0);
71+
expect(stack.isEmpty()).toBe(true);
72+
});
73+
74+
test('toString should return a string representation of the stack', () => {
75+
stack.push(1);
76+
stack.push(2);
77+
stack.push(3);
78+
79+
expect(stack.toString()).toBe('1, 2, 3');
80+
});
81+
82+
test('toString should return an empty string if the stack is empty', () => {
83+
expect(stack.toString()).toBe('Empty Stack');
84+
});
85+
86+
test('toString should return a string representation of the stack with custom object', () => {
87+
const stack = new Stack<{ key: string; value: number }>();
88+
89+
stack.push({ key: 'a', value: 1 });
90+
stack.push({ key: 'b', value: 2 });
91+
stack.push({ key: 'c', value: 3 });
92+
93+
expect(stack.toString()).toBe(
94+
'{"key":"a","value":1}, {"key":"b","value":2}, {"key":"c","value":3}'
95+
);
96+
});
97+
});

‎src/04-stack/_test_/stack.test.ts‎

Lines changed: 92 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,92 @@
1+
import {describe, expect, test, beforeEach} from '@jest/globals';
2+
import Stack from '../stack';
3+
4+
describe('Stack', () => {
5+
let stack: Stack<number>;
6+
7+
beforeEach(() => {
8+
stack = new Stack<number>();
9+
});
10+
11+
test('push should add an item to the stack', () => {
12+
stack.push(1);
13+
stack.push(2);
14+
stack.push(3);
15+
16+
expect(stack.size).toBe(3);
17+
});
18+
19+
test('pop should remove and return the top item from the stack', () => {
20+
stack.push(1);
21+
stack.push(2);
22+
stack.push(3);
23+
24+
const poppedItem = stack.pop();
25+
26+
expect(poppedItem).toBe(3);
27+
expect(stack.size).toBe(2);
28+
});
29+
30+
test('peek should return the top item from the stack without removing it', () => {
31+
stack.push(1);
32+
stack.push(2);
33+
stack.push(3);
34+
35+
const topItem = stack.peek();
36+
37+
expect(topItem).toBe(3);
38+
expect(stack.size).toBe(3);
39+
});
40+
41+
test('isEmpty should return true if the stack is empty', () => {
42+
expect(stack.isEmpty()).toBe(true);
43+
44+
stack.push(1);
45+
46+
expect(stack.isEmpty()).toBe(false);
47+
});
48+
49+
test('size should return the number of items in the stack', () => {
50+
expect(stack.size).toBe(0);
51+
52+
stack.push(1);
53+
stack.push(2);
54+
stack.push(3);
55+
56+
expect(stack.size).toBe(3);
57+
});
58+
59+
test('clear should remove all items from the stack', () => {
60+
stack.push(1);
61+
stack.push(2);
62+
stack.push(3);
63+
64+
stack.clear();
65+
66+
expect(stack.size).toBe(0);
67+
expect(stack.isEmpty()).toBe(true);
68+
});
69+
70+
test('toString should return a string representation of the stack', () => {
71+
stack.push(1);
72+
stack.push(2);
73+
stack.push(3);
74+
75+
expect(stack.toString()).toBe('1, 2, 3');
76+
});
77+
78+
test('toString should return an empty string if the stack is empty', () => {
79+
expect(stack.toString()).toBe('Empty Stack');
80+
});
81+
82+
test('toString should return a string representation of the stack with custom object', () => {
83+
const stack = new Stack<{key: string, value: number}>();
84+
85+
stack.push({key: 'a', value: 1});
86+
stack.push({key: 'b', value: 2});
87+
stack.push({key: 'c', value: 3});
88+
89+
expect(stack.toString()).toBe('{"key":"a","value":1}, {"key":"b","value":2}, {"key":"c","value":3}');
90+
});
91+
92+
});

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /