debut TP2

src/exercises/convertToLowercase/index.test.ts

@@ -0,0 +1,19 @@
+import { convertToLowercase } from "./index";
+
+describe("convertToLowercase", () => {
+  it.each([
+    { input: "ToTO", expected: "toto" },
+    { input: "ToTo", expected: "toto" },
+    { input: "TOTo", expected: "toto" },
+  ])(
+    "should return the input in lowercase when all letters are uppercases",
+    ({ input, expected }) => {
+      // Arrange
+      // Act
+      const result = convertToLowercase(input);
+
+      // Assert
+      expect(result).toStrictEqual(expected);
+    }
+  );
+});