From b9f19bc1e42b2b0acf69aa1eaf794c76299911af Mon Sep 17 00:00:00 2001
From: DmitriyevDM <dmitriyevdm@mpei.ru>
Date: Fri, 25 Apr 2025 01:42:50 +0300
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---
 unittest.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/unittest.cpp b/unittest.cpp
index a9ba7e5..bf37c5e 100644
--- a/unittest.cpp
+++ b/unittest.cpp
@@ -10,3 +10,35 @@ TEST_CASE("distinct positive numbers") {
     CHECK(min == 1);
     CHECK(max == 2);
 }
+
+
+TEST_CASE("distinct negative numbers"){
+    double min = 0;
+    double max = 0;
+    find_minmax({-1, -2}, min, max);
+    CHECK(min == -2);
+    CHECK(max == -1);
+}
+TEST_CASE("vector of the same elements"){
+    double min = 0;
+    double max = 0;
+    find_minmax({3,3,3}, min, max);
+    CHECK(min == 3);
+    CHECK(max == 3);
+}
+
+TEST_CASE("single element vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({7}, min, max);
+    CHECK(min == 7);
+    CHECK(max == 7);
+}
+
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({}, min, max);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}