import { regExpEsc } from '../src';

describe('regExpEsc', () => {
	test('GIVEN hyphen THEN returns expected', () => {
		const source = String.raw`test-this`;
		const expected = String.raw`test\-this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN slash THEN returns expected', () => {
		const source = String.raw`test/this`;
		const expected = String.raw`test\/this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN back slash THEN returns expected', () => {
		const source = String.raw`test\this`;
		const expected = String.raw`test\\this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN caret THEN returns expected', () => {
		const source = String.raw`^test`;
		const expected = String.raw`\^test`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN dollar THEN returns expected', () => {
		const source = String.raw`test$`;
		const expected = String.raw`test\$`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN * quantifier THEN returns expected', () => {
		const source = String.raw`test*this`;
		const expected = String.raw`test\*this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN + quantifier THEN returns expected', () => {
		const source = String.raw`test+this`;
		const expected = String.raw`test\+this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN ? quantifier THEN returns expected', () => {
		const source = String.raw`test?this`;
		const expected = String.raw`test\?this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN . quantifier THEN returns expected', () => {
		const source = String.raw`t.this`;
		const expected = String.raw`t\.this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN parentheses THEN returns expected', () => {
		const source = String.raw`(t)`;
		const expected = String.raw`\(t\)`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN vertical bar THEN returns expected', () => {
		const source = String.raw`test|this`;
		const expected = String.raw`test\|this`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN brackets THEN returns expected', () => {
		const source = String.raw`[test]`;
		const expected = String.raw`\[test\]`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN curly brackets THEN returns expected', () => {
		const source = String.raw`{test}`;
		const expected = String.raw`\{test\}`;
		expect(regExpEsc(source)).toBe(expected);
	});

	test('GIVEN combined THEN returns expected', () => {
		const source = String.raw`^(he?l*l+.)|[wW]o{,2}rld$`;
		const expected = String.raw`\^\(he\?l\*l\+\.\)\|\[wW\]o\{,2\}rld\$`;
		expect(regExpEsc(source)).toBe(expected);
	});
});