From 356d6aff92f856b80ccb8149031d9033b20c1f07 Mon Sep 17 00:00:00 2001
From: YaroslavS <SpesivtsevYM@mpei.ru>
Date: Mon, 28 Apr 2025 01:40:55 +0300
Subject: [PATCH] Add tests. Status-success!

---
 unittest.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/unittest.cpp b/unittest.cpp
index 8b13789..cec99da 100644
--- a/unittest.cpp
+++ b/unittest.cpp
@@ -1 +1,44 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "Histogram/histogram_internal.h"
 
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 2}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({}, min, max);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}
+
+TEST_CASE("single element vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({5}, min, max);
+    CHECK(min == 5);
+    CHECK(max == 5);
+}
+
+TEST_CASE("negative numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({-3, -1}, min, max);
+    CHECK(min == -3);
+    CHECK(max == -1);
+}
+
+TEST_CASE("identical elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({4, 4, 4}, min, max);
+    CHECK(min == 4);
+    CHECK(max == 4);
+}