From 09482a7dd9db0bdfd952023567cc2a68442d101d Mon Sep 17 00:00:00 2001
From: GorokhovDE <GorokhovDE@mpei.ru>
Date: Mon, 23 Dec 2024 10:25:01 +0300
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D1=8B=20=D1=84=D1=83=D0=BD=D0=BA=D1=86=D0=B8=D0=B8=20?=
 =?UTF-8?q?=D0=B4=D0=BB=D1=8F=20=D0=B2=D1=8B=D0=B4=D0=B5=D0=BB=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D1=8F=20=D0=BC=D0=BB=D0=B0=D0=B4=D1=88=D0=B5=D0=B3=D0=BE?=
 =?UTF-8?q?=20=D0=B8=20=D1=81=D1=82=D0=B0=D1=80=D1=88=D0=B5=D0=B3=D0=BE=20?=
 =?UTF-8?q?nibble?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lab04/lab04.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lab04/lab04.cpp b/lab04/lab04.cpp
index 315510a..cc4e256 100644
--- a/lab04/lab04.cpp
+++ b/lab04/lab04.cpp
@@ -14,7 +14,22 @@ void test_nibble_to_hex() {
     cout << "nibble_to_hex() tests passed!\n";
 }
 
+uint8_t low_nibble(uint8_t byte) {
+    return byte & 0x0f;
+}
+
+uint8_t high_nibble(uint8_t byte) {
+    return byte >> 4;
+}
+
+void test_nibbles() {
+    assert(low_nibble(0xab) == 0xb);
+    assert(high_nibble(0xab) == 0xa);
+    cout << "Nibble extraction tests passed!\n";
+}
+
 int main() {
     test_nibble_to_hex();
+    test_nibbles();
     return 0;
 }