test file for demoing

core/add/add.test.ts

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+import { add, substract } from "./add";
+
+describe("add function", () => {
+  it("should add two positive numbers correctly", () => {
+    // 1.
+    // Start typing below and autocomplete should suggest a valid test,
+    // noting that the model correctly tests the 'add' function based
+    // on the title of the test that is provided as context
+  });
+
+  // 2.
+  // Using cmd + I, ask for a more specific test of the substract function.
+  //
+  // Prompt: "Create a new unit test for the subtract function, verifying that it can handle negative numbers correctly."
+
+  // 3.
+  // Go into 'add.ts' and uncomment the 'multiply' function.
+  // Then, return to this file, highlight the entire file, add to chat, use the `/edit` cmd, and ask to update the tests to include the new function.
+  //
+  // Prompt: "/edit Update the tests to include the new 'multiply' function."
+});

core/add/add.ts

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+export function add(first: number, second: number): number {
+  return first + second;
+}
+
+export function substract(first: number, second: number): number {
+  return first - second;
+}
+
+// export function multiply(first: number, second: number): number {
+//   return first * second;
+// }