diff --git a/src/mergeSortedArrays/mergeSortedArrays.test.ts b/src/mergeSortedArrays/mergeSortedArrays.test.ts
new file mode 100644
index 0000000..de79890
--- /dev/null
+++ b/src/mergeSortedArrays/mergeSortedArrays.test.ts
@@ -0,0 +1,20 @@
+import { describe, test, expect } from "vitest";
+import { mergeSortedArrays } from "./mergeSortedArrays";
+
+describe("mergeSortedArrays function", () => {
+
+  test('mergeSortedArrays merges two empty arrays', () => {
+    expect(mergeSortedArrays([], [])).toEqual([]);
+});
+
+test('mergeSortedArrays merges a sorted array with an empty one', () => {
+  expect(mergeSortedArrays([], [2, 4, 6])).toEqual([2, 4, 6]);
+  expect(mergeSortedArrays([1, 3, 5], [])).toEqual([1, 3, 5]);
+});
+
+  test('mergeSortedArrays merges two sorted arrays into one sorted array', () => {
+    expect(mergeSortedArrays([1, 3, 5], [2, 4, 6])).toEqual([1, 2, 3, 4, 5, 6]);
+    expect(mergeSortedArrays([1, 2, 3], [4, 5, 6])).toEqual([1, 2, 3, 4, 5, 6]);
+});
+
+});
diff --git a/src/mergeSortedArrays/mergeSortedArrays.ts b/src/mergeSortedArrays/mergeSortedArrays.ts
new file mode 100644
index 0000000..829ed8c
--- /dev/null
+++ b/src/mergeSortedArrays/mergeSortedArrays.ts
@@ -0,0 +1,2 @@
+export function mergeSortedArrays(arr1: number[], arr2: number[]): number[] {
+}
diff --git a/src/palindrome/palindrome.test.ts b/src/palindrome/palindrome.test.ts
new file mode 100644
index 0000000..52e0006
--- /dev/null
+++ b/src/palindrome/palindrome.test.ts
@@ -0,0 +1,15 @@
+import { describe, test, expect } from "vitest";
+import { palindrome } from "./palindrome";
+
+describe('palindrome', () => {
+  test('should return true for palindrome strings', () => {
+      expect(palindrome('racecar')).toBe(true);
+        expect(palindrome('level')).toBe(true);
+        expect(palindrome('')).toBe(true);
+  });
+  
+  test('should return false for non-palindrome strings', () => {
+      expect(palindrome('hello')).toBe(false);
+      expect(palindrome('world')).toBe(false);
+  });
+});
diff --git a/src/palindrome/palindrome.ts b/src/palindrome/palindrome.ts
new file mode 100644
index 0000000..ab0f7a3
--- /dev/null
+++ b/src/palindrome/palindrome.ts
@@ -0,0 +1,3 @@
+export function palindrome(s: string): boolean {
+    
+}