add solver test

test/test_solver.cpp

@@ -0,0 +1,26 @@
+#include "Solver.h"
+#include <cassert>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+
+namespace fs = std::filesystem;
+
+int main() {
+	std::string path = "test";
+	for (const auto& entry : fs::directory_iterator(path)) {
+		std::string fileName = entry.path().string();
+		std::cout << "Opening " << fileName << " ...\n";
+		std::ifstream in{fileName};
+		Matrix mat{1, 1}, imageMat{1, 1}, noyauMat{1, 1};
+		in >> mat >> imageMat >> noyauMat;
+
+		Vect image{imageMat};
+		Vect noyau{noyauMat};
+
+		Solver solver{mat};
+		assert(solver.Image() == image);
+		assert(solver.Noyau() == noyau);
+	}
+	return 0;
+}