package deesee

import "testing"

// TestEncrypt tests the Encrypt and Decrypt function.
func TestCryptDecrypt(t *testing.T) {
	// Run the test cases.
	for _, tc := range []struct {
		name, A, B string
		key        int
	}{
		{"Test encrypt-decrypt: Simple text",
			"clark", "hqfwp", 5},
		{"Test encrypt-decrypt: Text with shifted outbounds chars",
			"cherry blossom", "fkhuub eorvvrp", 3},
		{"Test encrypt-decrypt: Text with shifted outbounds chars and non-letter chars",
			"cherry123 blossom!", "fkhuub123 eorvvrp!", 3},
	} {
		t.Run(tc.name, func(t *testing.T) {
			if enc := Encrypt(tc.A, tc.key); enc != tc.B {
				t.Errorf("Encrypt() = %v, want %v", enc, tc.B)
			}

			if dec := Decrypt(tc.B, tc.key); dec != tc.A {
				t.Errorf("Decrypt() = %v, want %v", dec, tc.A)
			}
		})
	}
}