diff --git a/node/expr/t_variable_test.go b/node/expr/t_variable_test.go
new file mode 100644
index 0000000..557906b
--- /dev/null
+++ b/node/expr/t_variable_test.go
@@ -0,0 +1,49 @@
+package expr_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/z7zmey/php-parser/node/expr"
+
+	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/node/stmt"
+	"github.com/z7zmey/php-parser/php5"
+	"github.com/z7zmey/php-parser/php7"
+)
+
+func TestVariable(t *testing.T) {
+	src := `<? $a;`
+
+	expected := &stmt.StmtList{
+		Stmts: []node.Node{
+			&stmt.Expression{
+				Expr: &expr.Variable{VarName: &node.Identifier{Value: "$a"}},
+			},
+		},
+	}
+
+	actual, _, _ := php7.Parse(bytes.NewBufferString(src), "test.php")
+	assertEqual(t, expected, actual)
+
+	actual, _, _ = php5.Parse(bytes.NewBufferString(src), "test.php")
+	assertEqual(t, expected, actual)
+}
+
+func TestVariableVariable(t *testing.T) {
+	src := `<? $$a;`
+
+	expected := &stmt.StmtList{
+		Stmts: []node.Node{
+			&stmt.Expression{
+				Expr: &expr.Variable{VarName: &expr.Variable{VarName: &node.Identifier{Value: "$a"}}},
+			},
+		},
+	}
+
+	actual, _, _ := php7.Parse(bytes.NewBufferString(src), "test.php")
+	assertEqual(t, expected, actual)
+
+	actual, _, _ = php5.Parse(bytes.NewBufferString(src), "test.php")
+	assertEqual(t, expected, actual)
+}