diff --git a/parser/parser_test.go b/parser/parser_test.go
index ea6c19d..4e4a21b 100644
--- a/parser/parser_test.go
+++ b/parser/parser_test.go
@@ -42,7 +42,6 @@ func quickIdentifier (trail ...string) (identifier Identifier) {
 }
 
 func TestMeta (test *testing.T) {
-	
 	checkTree ("../tests/parser/meta",
 `:arf
 author "Sasha Koshka"
@@ -52,3 +51,37 @@ require "otherModule"
 ---
 `, test)
 }
+
+func TestData (test *testing.T) {
+	checkTree ("../tests/parser/data",
+`:arf
+---
+data wr integer:Int 3202
+data wr integerPointer:{Int}
+data wr integerArray16:{Int 16}
+data wr integerArrayVariable:{Int ...}
+data wr integerArrayInitialized:{Int 16}
+	3948
+	293
+	293049
+	948
+	912
+	340
+	0
+	2304
+	0
+	4785
+	92
+data wr object:Obj
+	, this 324
+	, that 2139
+data wr nestedObject:Obj
+	, this
+		, bird0 324
+		, bird1 "hello world"
+	, that
+		, bird2 123.8439
+		, bird3 9328.21348239
+`, test)
+}
+
diff --git a/parser/tree-tostring.go b/parser/tree-tostring.go
index acfeaa9..8689f6c 100644
--- a/parser/tree-tostring.go
+++ b/parser/tree-tostring.go
@@ -175,5 +175,9 @@ func (section *DataSection) ToString (indent int) (output string) {
 		section.permission.ToString(), " ",
 		section.name, ":",
 		section.what.ToString())
+
+	// TODO: print out initialization values. if there is only one of them,
+	// keep it on the same line. if there are more than one, give each its
+	// own line.
 	return
 }