diff --git a/parser/func_test.go b/parser/func_test.go
new file mode 100644
index 0000000..5fade6f
--- /dev/null
+++ b/parser/func_test.go
@@ -0,0 +1,111 @@
+package parser
+
+import "testing"
+
+func TestData (test *testing.T) {
+	checkTree ("../tests/parser/func",
+`:arf
+---
+func ro aBasicExternal
+	> someInput:Int:mut
+	< someOutput:Int 4
+	---
+	external
+func ro bMethod
+	@ bird:{Bird}
+	> someInput:Int:mut
+	< someOutput:Int 4
+	---
+	external
+func ro cBasicPhrases
+	---
+	[fn 329 983 09]
+	[fn 329 983 09]
+	[fn 329 983 091]
+	[fn [gn 329 983 091] 123]
+func ro dArgumentTypes
+	---
+	[bird tree butterfly.wing "hello world" grass:{Int:mut 8}]
+func ro eMath
+	[> x:Int]
+	[> y:Int]
+	[< z:Int]
+	[---]
+	[++ x]
+	[-- y]
+	[set z [+ [* 0392 00] 98 x [/ 9832 y] 930]]
+	[! true]
+	[~ 0b01]
+	[% 873 32]
+	[=  5 5]
+	[!= 4 4]
+	[<=  4 98]
+	[<   4 98]
+	[<<  0x0F 4]
+	[>=  98 4]
+	[>   98 4]
+	[>>  0xF0 4]
+	[|  0b01 0b10]
+	[& 0b110 0b011]
+	[&& true true]
+	[|| true false]
+func ro fReturnDirection
+	< err:Error
+	---
+	[someFunc 498 2980 90] -> thing:Int err
+	[otherFunc] -> thing err:Error
+	[fn 329 983 091] -> thing:Int err
+func ro gControlFlow
+	---
+	[if condition]
+		[something]
+	[if condition]
+		[something]
+	[elseif]
+		[otherThing]
+	[else]
+		[finalThing]
+	[while [< x 432]]
+		[something]
+	[switch value]
+	[: 324]
+		[something]
+	[: 93284]
+		otherThing
+	[: 9128 34738 7328]
+		multipleCases
+	[:]
+		[defaultThing]
+	[for index:Size element:Int someArray]
+		[something]
+		[someNextThing]
+		[justMakingSureBlockParsingWorks]
+	[if condition]
+		[if condition]
+			[nestedThing]
+		[else]
+			[otherThing]
+	[else]
+		[if condition]
+			[nestedThing]
+		[else]
+			[otherThing]
+func hSetPhrase
+	---
+	[set x:Int 3]
+	[set y:{Int} [. x]]
+	[set z:{Int 8}]
+		398
+		9
+		2309
+		983
+		-2387
+		478
+		555
+		123
+	[set bird:Bird]
+		.that
+			.whenYou 99999
+		.this 324
+`, test)
+}