.gitignore

@@ -2,5 +2,3 @@
 /obj
 /project.layout
 /project.depend
-/unittest.layout
-/unittest.depend

histogram.cpp

@@ -1,12 +1,8 @@
 #include "histogram.h"
-#include "histogram_internal.h"
 
 using namespace std;
 
-bool find_minmax(const vector<double>& numbers, double& min, double& max) {
-    if (numbers.size() == 0) {
-        return false;
-    }
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
     min = numbers[0];
     max = numbers[0];
     for (double x : numbers) {
@@ -17,7 +13,6 @@ bool find_minmax(const vector<double>& numbers, double& min, double& max) {
             max = x;
         }
     }
-    return true;
 }
 vector<size_t> make_histogram(const vector<double> &numbers, size_t bin_count) {
     vector<size_t> bins(bin_count);

histogram_internal.h

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

project.cbp

@@ -36,9 +36,6 @@
 		<Unit filename="histogram.h">
 			<Option target="&lt;{~None~}&gt;" />
 		</Unit>
-		<Unit filename="histogram_internal.h">
-			<Option target="&lt;{~None~}&gt;" />
-		</Unit>
 		<Unit filename="main.cpp" />
 		<Unit filename="text.cpp" />
 		<Unit filename="text.h">

unittest.cbp

@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
-<CodeBlocks_project_file>
-	<FileVersion major="1" minor="6" />
-	<Project>
-		<Option title="unittest" />
-		<Option pch_mode="2" />
-		<Option compiler="gcc" />
-		<Build>
-			<Target title="Debug">
-				<Option output="bin/Debug/unittest" prefix_auto="1" extension_auto="1" />
-				<Option object_output="obj/Debug/" />
-				<Option type="1" />
-				<Option compiler="gcc" />
-				<Compiler>
-					<Add option="-g" />
-				</Compiler>
-			</Target>
-			<Target title="Release">
-				<Option output="bin/Release/unittest" prefix_auto="1" extension_auto="1" />
-				<Option object_output="obj/Release/" />
-				<Option type="1" />
-				<Option compiler="gcc" />
-				<Compiler>
-					<Add option="-O2" />
-				</Compiler>
-				<Linker>
-					<Add option="-s" />
-				</Linker>
-			</Target>
-		</Build>
-		<Compiler>
-			<Add option="-Wall" />
-		</Compiler>
-		<Unit filename="doctest.h">
-			<Option target="&lt;{~None~}&gt;" />
-		</Unit>
-		<Unit filename="histogram.cpp" />
-		<Unit filename="histogram_internal.h" />
-		<Unit filename="unittest.cpp" />
-		<Extensions>
-			<lib_finder disable_auto="1" />
-		</Extensions>
-	</Project>
-</CodeBlocks_project_file>

unittest.cpp

@@ -1,37 +0,0 @@
-#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;
-    CHECK(!find_minmax({}, min, max));
-}
-TEST_CASE("vector of one element"){
-    double min = 0;
-    double max = 0;
-    find_minmax({3}, min, max);
-    CHECK(min == max);
-}
-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("vector of the same elements"){
-    double min = 0;
-    double max = 0;
-    find_minmax({3,3,3}, min, max);
-    CHECK(min == 3);
-    CHECK(max == 3);
-}