Added more tests

src/core/CompileAssign.go

@@ -37,6 +37,8 @@ func (f *Function) CompileAssign(node *ast.Assign) error {
 
 	switch leftValue := leftValue.(type) {
 	case *eval.Register:
+		// TODO: Reservation needs to be canceled on defer
+		f.CurrentScope().Reserve(leftValue.Register)
 		f.Execute(operation, leftValue.Register, right)
 	case *eval.Memory:
 		// TODO: Reservation needs to be canceled on defer

tests/programs/add.q

@@ -0,0 +1,9 @@
+main() {
+	assert 0 + 0 == 0
+	assert 1 + 1 == 2
+	assert 1 + 2 == 3
+	assert 2 + 1 == 3
+	assert 2 + 2 == 4
+	assert 4 + 2 == 6
+	assert 8 + 2 == 10
+}

tests/programs/div.q

@@ -0,0 +1,9 @@
+main() {
+	assert 0 / 1 == 0
+	assert 1 / 1 == 1
+	assert 1 / 2 == 0
+	assert 2 / 1 == 2
+	assert 2 / 2 == 1
+	assert 4 / 2 == 2
+	assert 8 / 2 == 4
+}

tests/programs/mul.q

@@ -0,0 +1,9 @@
+main() {
+	assert 0 * 0 == 0
+	assert 1 * 1 == 1
+	assert 1 * 2 == 2
+	assert 2 * 1 == 2
+	assert 2 * 2 == 4
+	assert 4 * 2 == 8
+	assert 8 * 2 == 16
+}

tests/programs/sub.q

@@ -0,0 +1,9 @@
+main() {
+	assert 0 - 0 == 0
+	assert 1 - 1 == 0
+	assert 1 - 2 == -1
+	assert 2 - 1 == 1
+	assert 2 - 2 == 0
+	assert 4 - 2 == 2
+	assert 8 - 2 == 6
+}

tests/programs_test.go

@@ -26,6 +26,10 @@ var programs = []struct {
 	{"reuse", 0},
 	{"return", 0},
 	{"return-multi", 0},
+	{"add", 0},
+	{"sub", 0},
+	{"mul", 0},
+	{"div", 0},
 	{"math", 0},
 	{"precedence", 0},
 	{"operator-number", 0},