improve tests

test/test_vect.cpp

@@ -0,0 +1,31 @@
+#include "Vect.h"
+#include <cassert>
+
+int main() {
+	Vect vect1 {{3, 2, {
+		1, 2,
+		3, 4,
+		5, 6,
+	}}};
+	Vect vect2 {{3, 2, {
+		1, 0,
+		0, 0,
+		0, 1,
+	}}};
+	Vect vect3 {{3, 2, {
+		1, 3,
+		3, 7,
+		5, 11,
+	}}};
+	Vect vect4 {{3, 2, {
+		1, 0,
+		0, 0,
+		1, 11,
+	}}};
+	assert(vect1 == vect3);
+	assert(vect2 == vect4);
+	assert(vect1 != vect2);
+	assert(vect2 != vect3);
+	assert(vect3 != vect4);
+	return 0;
+}