Merge branch 'main' of http://uit.mpei.ru/git/DolganovVI/cs-lab34

histogram_internal.h

@@ -0,0 +1,8 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

unittest.cpp

@@ -0,0 +1,39 @@
+#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("Identical numbers") {
+    double min = 0, max = 0;
+    find_minmax({ 5, 5, 5 }, min, max);
+    CHECK(min == 5);
+    CHECK(max == 5);
+}
+TEST_CASE("Empty vector") {
+    double min = 42, max = 42;
+    find_minmax({}, min, max);
+    CHECK(min == 42);
+    CHECK(max == 42);
+}
+TEST_CASE("Single element") {
+    double min = 0, max = 0;
+    find_minmax({ 42 }, min, max);
+    CHECK(min == 42);
+    CHECK(max == 42);
+}
+
+TEST_CASE("Negative numbers") {
+    double min = 0, max = 0;
+    find_minmax({ -3, -1, -2 }, min, max);
+    CHECK(min == -3);
+    CHECK(max == -1);
+}
+

unittest.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.13.35919.96 d17.13
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "unittest", "unittest.vcxproj", "{D377E954-A910-442F-89B7-380240614335}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{D377E954-A910-442F-89B7-380240614335}.Debug|x64.ActiveCfg = Debug|x64
+		{D377E954-A910-442F-89B7-380240614335}.Debug|x64.Build.0 = Debug|x64
+		{D377E954-A910-442F-89B7-380240614335}.Debug|x86.ActiveCfg = Debug|Win32
+		{D377E954-A910-442F-89B7-380240614335}.Debug|x86.Build.0 = Debug|Win32
+		{D377E954-A910-442F-89B7-380240614335}.Release|x64.ActiveCfg = Release|x64
+		{D377E954-A910-442F-89B7-380240614335}.Release|x64.Build.0 = Release|x64
+		{D377E954-A910-442F-89B7-380240614335}.Release|x86.ActiveCfg = Release|Win32
+		{D377E954-A910-442F-89B7-380240614335}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {33670898-B3DF-4CA9-BB8F-B62E319D4269}
+	EndGlobalSection
+EndGlobal