добавлены unittest

cs-lab34.depend

@@ -13,7 +13,7 @@
 1745823848 c:\users\diman3000\desktop\cs-lab34\text.h
 	<vector>
 
-1745824478 source:c:\users\diman3000\desktop\cs-lab34\main.cpp
+1745824901 source:c:\users\diman3000\desktop\cs-lab34\main.cpp
 	<iostream>
 	<vector>
 	"histogram.h"
@@ -27,3 +27,55 @@
 	"svg.h"
 	<iostream>
 
+1745825391 source:c:\users\diman3000\desktop\cs-lab34\unittest.cpp
+	"doctest.h"
+	"histogram_internal.h"
+
+1745825250 c:\users\diman3000\desktop\cs-lab34\doctest.h
+	<signal.h>
+	<ciso646>
+	<cstddef>
+	<ostream>
+	<istream>
+	<type_traits>
+	"doctest_fwd.h"
+	<ctime>
+	<cmath>
+	<climits>
+	<math.h>
+	<new>
+	<cstdio>
+	<cstdlib>
+	<cstring>
+	<limits>
+	<utility>
+	<fstream>
+	<sstream>
+	<iostream>
+	<algorithm>
+	<iomanip>
+	<vector>
+	<atomic>
+	<mutex>
+	<set>
+	<map>
+	<unordered_set>
+	<exception>
+	<stdexcept>
+	<csignal>
+	<cfloat>
+	<cctype>
+	<cstdint>
+	<string>
+	<sys/types.h>
+	<unistd.h>
+	<sys/sysctl.h>
+	<AfxWin.h>
+	<windows.h>
+	<io.h>
+	<sys/time.h>
+	<unistd.h>
+
+1745825157 c:\users\diman3000\desktop\cs-lab34\histogram_internal.h
+	<vector>
+

histogram_internal.h

@@ -0,0 +1,4 @@
+#pragma once
+#include <vector>
+
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);

unittest.cpp

@@ -0,0 +1,43 @@
+#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("all numbers are same") {
+    double min = 0;
+    double max = 0;
+    find_minmax({5, 5, 5, 5}, min, max);
+    CHECK(min == 5);
+    CHECK(max == 5);
+}
+
+TEST_CASE("with negative numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({-3, -7, -1}, min, max);
+    CHECK(min == -7);
+    CHECK(max == -1);
+}
+
+TEST_CASE("single number") {
+    double min = 0;
+    double max = 0;
+    find_minmax({42}, min, max);
+    CHECK(min == 42);
+    CHECK(max == 42);
+}
+
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    find_minmax({}, min, max);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}