тесты с coverage

math/math_test.go

@@ -0,0 +1,27 @@
+package math
+
+import "testing"
+
+func TestAdd(t *testing.T) {
+	result := Add(2, 3)
+	expected := 5
+	if result != expected {
+		t.Errorf("Add(2,3) = %d; want %d", result, expected)
+	}
+}
+
+func TestSubtract(t *testing.T) {
+	result := Subtract(5, 2)
+	expected := 3
+	if result != expected {
+		t.Errorf("Subtract(5,2) = %d; want %d", result, expected)
+	}
+}
+
+func TestMultiply(t *testing.T) {
+	result := Multiply(4, 3)
+	expected := 12
+	if result != expected {
+		t.Errorf("Multiply(4,3) = %d; want %d", result, expected)
+	}
+}