Solve problem 9

Author: korverdev

9.go

@@ -0,0 +1,22 @@
+// https://leetcode.com/problems/palindrome-number/
+package main
+
+import (
+	"strconv"
+)
+
+func isPalindrome(x int) bool {
+	// Convert the int to a string
+	x_str := strconv.Itoa(x)
+	length_of_x := len(x_str)
+
+	halfway := length_of_x / 2
+
+	for i := 0; i < halfway; i++ {
+		if x_str[i] != x_str[length_of_x-i-1] {
+			return false
+		}
+	}
+
+	return true
+}

9_test.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestIsPalindrome1(t *testing.T) {
+	const expected = true
+	result := isPalindrome(121)
+
+	if result != expected {
+		t.Errorf("Expected %t but got %t", expected, result)
+	}
+}
+
+func TestIsPalindrome2(t *testing.T) {
+	const expected = false
+	result := isPalindrome(-121)
+
+	if result != expected {
+		t.Errorf("Expected %t but got %t", expected, result)
+	}
+}
+
+func TestIsPalindrome3(t *testing.T) {
+	const expected = false
+	result := isPalindrome(10)
+
+	if result != expected {
+		t.Errorf("Expected %t but got %t", expected, result)
+	}
+}
+
+func BenchmarkIsPalindrome(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		isPalindrome(b.N)
+	}
+}