diff --git a/whitespace_test.go b/whitespace_test.go
new file mode 100644
index 0000000..6dba6f1
--- /dev/null
+++ b/whitespace_test.go
@@ -0,0 +1,140 @@
+package treerack
+
+import "testing"
+
+const (
+	csvWithoutWhitespaceSupport = `
+		ws:alias = [ \t]*;
+		cell     = [^\n, \t]*;
+		line     = ws cell (ws "," ws cell)* ws;
+		document = (line ("\n" line)*)?;
+	`
+)
+
+func TestCSVWhitespace(t *testing.T) {
+	t.Run("wihout whitespace support", func(t *testing.T) {
+		s, err := openSyntaxString(csvWithoutWhitespaceSupport)
+		if err != nil {
+			t.Error(err)
+			return
+		}
+
+		runTestsSyntax(t, s, []testItem{{
+			title: "empty",
+			node: &Node{
+				Name: "document",
+			},
+		}, {
+			title:          "only a cell",
+			text:           "abc",
+			ignorePosition: true,
+			node: &Node{
+				Name: "document",
+				Nodes: []*Node{{
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}},
+				}},
+			},
+		}, {
+			title:          "single line",
+			text:           `a, b, c`,
+			ignorePosition: true,
+			node: &Node{
+				Name: "document",
+				Nodes: []*Node{{
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}},
+			},
+		}, {
+			title: "regular csv",
+			text: `a, b, c
+			       d, e, f`,
+			ignorePosition: true,
+			node: &Node{
+				Name: "document",
+				Nodes: []*Node{{
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}, {
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}},
+			},
+		}, {
+			title: "irregular csv",
+			text: `a,, b, c, 
+			       d, ,,,,`,
+			ignorePosition: true,
+			node: &Node{
+				Name: "document",
+				Nodes: []*Node{{
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}, {
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}},
+			},
+		}, {
+			title:          "too many commas",
+			text:           `a,,`,
+			ignorePosition: true,
+			node: &Node{
+				Name: "document",
+				Nodes: []*Node{{
+					Name: "line",
+					Nodes: []*Node{{
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}, {
+						Name: "cell",
+					}},
+				}},
+			},
+		}})
+	})
+}