From 6ed39341230b695f9f688767c1ee698053ec6fad Mon Sep 17 00:00:00 2001
From: "lab01(PokhilAA)" <PokhilAA@mpei.ru>
Date: Sun, 5 May 2024 16:59:22 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=BC=D0=BE=D0=B4=D1=83=D0=BB=D1=8C?=
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---
 unittest.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 unittest.cpp

diff --git a/unittest.cpp b/unittest.cpp
new file mode 100644
index 0000000..4f8dc54
--- /dev/null
+++ b/unittest.cpp
@@ -0,0 +1,40 @@
+#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({1}, min, max);
+    CHECK (min == 1);
+    CHECK (max == 1);
+}
+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("identical elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 1, 1}, min, max);
+    CHECK (min == 1);
+    CHECK (max == 1);
+}