From 37e8d7218df3db80af36d2733c4ebca2f718fc79 Mon Sep 17 00:00:00 2001
From: KuzmenkoEA <KuzmenkoYA@mpei.ru>
Date: Sun, 21 Apr 2024 20:49:46 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D1=82=D0=B5=D1=81=D1=82=D1=8B?=
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---
 unittest.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 unittest.cpp

diff --git a/unittest.cpp b/unittest.cpp
new file mode 100644
index 0000000..662c82c
--- /dev/null
+++ b/unittest.cpp
@@ -0,0 +1,41 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "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({NULL}, min, max);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}
+TEST_CASE("one element") {
+    double min = 0;
+    double max = 0;
+    find_minmax({5}, min, max);
+    CHECK (min == 5);
+    CHECK (max == 5);
+}
+TEST_CASE("negative elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({-2, -3}, min, max);
+    CHECK (min == -3);
+    CHECK (max == -2);
+}
+TEST_CASE("identical elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({3, 3, 3}, min, max);
+    CHECK (min == 3);
+    CHECK (max == 3);
+}