code: финальное обновление программы с добавлением кода индивидуального варианта с командой проверки -verbose

.gitignore

@@ -4,3 +4,4 @@ cs-project3.vcxproj.filters
 cs-project3.vcxproj
 cs-project3.exe
 cs-project3.vcxproj
+\curl

cs-project3.cpp

@@ -4,6 +4,10 @@
 #include "text.h"
 #include "histogram_internal.h"
 #include "svg.h"
+#include <curl/curl.h>
+#include <string>
+#include <sstream>
+
 
 using namespace std;
 
@@ -13,23 +17,69 @@ struct Input {
 };
 
 Input
-input_data() {
+input_data(istream& inn, bool promt) {
     Input in;
+    if (promt) {
+        cerr << "promt: for getting gm in overwatch, u should play supports, cause dps and tanks are 2 hard for noobies \n";
+    }
     size_t number_count;
-    cin >> number_count;
+    inn >> number_count;
     in.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        inn >> in.numbers[i];
     }
     size_t bin_count;
-    cin >> in.bin_count;
+    inn >> in.bin_count;
     return in;
 }
 
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    size_t data_size = item_size * item_count;
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
+}
 
-int main() {
-    Input in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
+Input
+download(const string& address, const string& argument) {
+    stringstream buffer;
+    CURL* curl = curl_easy_init();
+    if ((argument != "") && (address != "-verbose") && (argument != "-verbose")) {
+        cout << "Wrong argument, use correct input -verbose or leave input empty" << endl;
+        exit(2);
+    }
+    if (curl) {
+        CURLcode res;
+        curl_easy_setopt(curl, CURLOPT_URL, argument == "-verbose" || argument == "" ? address.c_str() : argument.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        if (address == "-verbose" || argument == "-verbose") {
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, argument == "-verbose" ? argument.c_str() : address.c_str());
+        }
+        res = curl_easy_perform(curl);
+        curl_easy_cleanup(curl);
+        if (res != CURLE_OK) {
+            cout << curl_easy_strerror(res);
+            exit(1);
+        }
+    }
+            curl_easy_cleanup(curl);
+    return input_data(buffer, false);
+}
+
+int main(int argc, char* argv[]) {
+    Input input;
+    if (argc > 2) {
+        input = download(argv[1], argv[2]);
+    }
+    else if (argc == 2){
+        input = download(argv[1], "");
+    }
+    else {
+        input = input_data(cin, true);
+    }
+    auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
     return 0;
 }

unittest/cs-project3/histogram.cpp

@@ -3,7 +3,7 @@
 #include "histogram.h"
 using namespace std;
 
-void
+bool
 find_minmax(const vector<double>& numbers, double& min, double& max) {
     min = numbers[0];
     for (size_t i = 1; i < numbers.size(); i++) {

unittest/cs-project3/histogram_internal.h

@@ -2,5 +2,5 @@
 
 #include <vector>
 
-void
+bool
 find_minmax(const std::vector<double>& numbers, double& min, double& max);

unittest/cs-project3/unittest.cpp

@@ -2,6 +2,9 @@
 #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
 #include "doctest.h"
 #include "histogram_internal.h"
+#include "svg.h"
+#include <string>
+#include <fstream>
 
 TEST_CASE("distinct positive numbers") {
     double min = 0;
@@ -23,4 +26,23 @@ TEST_CASE("all numbers are same") {
     find_minmax({ 1, 1, 1, 1, 1, 1, 1, }, min, max);
     CHECK(min == 1);
     CHECK(max == 1);
+}
+    TEST_CASE("all numbers are same") {
+        double min = 0;
+        double max = 0;
+        CHECK(!find_minmax({}, min, max));
+    }
+
+TEST_CASE("histogram for exclusive variant is correct") {
+    std::fstream in, compare;
+    std::string line, compline;
+    bool flag = 0;
+    in.open("result.txt");
+    compare.open("compare.txt");
+    while (std::getline(in, line) && std::getline(compare, compline) && !flag) {
+        if (line != compline) {
+            flag = 1;
+        }
+    }
+    CHECK(flag == 0);
 }

unittest/cs-project3/x64/Debug/cs-project3.log

@@ -1,2 +1,21 @@
-  unittest.cpp
-  cs-project3.vcxproj -> C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\x64\Debug\cs-project3.exe
+  histogram.cpp
+  unittest.cpp
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9): warning C4805: ==: небезопасное смешение типа "bool" и типа "T" в операции
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9): warning C4805:         with
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9): warning C4805:         [
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9): warning C4805:             T=int
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9): warning C4805:         ]
+  (компиляция исходного файла "unittest.cpp")
+  C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\doctest.h(1527,9):
+  контекст создания экземпляра шаблона (сначала самый старый)
+  	C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\unittest.cpp(47,5):
+  	выполняется компиляция ссылки на экземпляр шаблон функции "doctest::detail::Result doctest::detail::Expression_lhs<bool &>::operator ==<int>(R &&)"
+          with
+          [
+              R=int
+          ]
+  		C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\unittest.cpp(47,5):
+  		см. первую ссылку на "doctest::detail::Expression_lhs<bool &>::operator ==" в "DOCTEST_ANON_FUNC_13"
+  
+  Создание кода...
+C:\Users\justygrass\Desktop\progs\2_sem\3la\cs-project3\unittest\cs-project3\histogram.cpp(17,1): error C4716: find_minmax: должна возвращать значение