Create increment-string.function.test.ts

src/Umbraco.Web.UI.Client/src/packages/core/utils/string/increment-string/increment-string.function.test.ts

@@ -0,0 +1,18 @@
+import { incrementString } from './increment-string.function.js';
+import { expect } from '@open-wc/testing';
+
+describe('incrementString', () => {
+	it('increments a string with a number at the end', () => {
+		const inputString = 'test';
+		const result = incrementString(inputString);
+
+		expect(result).to.equal('test1');
+	});
+
+	it('increments a string with a number at the end by 1', () => {
+		const inputString = 'test1';
+		const result = incrementString(inputString);
+
+		expect(result).to.equal('test2');
+	});
+});