diff --git a/ToDo.md b/ToDo.md
index 0230b72..a8cabc7 100644
--- a/ToDo.md
+++ b/ToDo.md
@@ -4,7 +4,7 @@
 * special cases (like if ... exitWith)
 * sqf: ... sqf whitespace
 * solution for build in commands which do not require left values
-* pretty/minified printing
+* ~~pretty/minified printing~~
 * usage
 * recursive compiling
 * concurrent compiling
diff --git a/in/simple.asl b/in/simple.asl
index 994f4a7..26978df 100644
--- a/in/simple.asl
+++ b/in/simple.asl
@@ -2,4 +2,4 @@ func foo(a, b) {
     return a > b;
 }
 
-var x = foo();
+var x = foo(1, 2);
diff --git a/src/asl/parser.go b/src/asl/parser.go
index 13f42a1..52e5bf6 100644
--- a/src/asl/parser.go
+++ b/src/asl/parser.go
@@ -151,7 +151,6 @@ func parseFor() {
 	expect(";")
 	appendOut("}, {", false)
 	parseExpression(true)
-	expect(";")
 	appendOut("}] do {", true)
 	expect("{")
 	parseBlock()
diff --git a/src/asl/parser_test.go b/src/asl/parser_test.go
index e198c89..812ceb3 100644
--- a/src/asl/parser_test.go
+++ b/src/asl/parser_test.go
@@ -1,5 +1,85 @@
 package asl
 
 import (
-
+    "testing"
+    "io/ioutil"
 )
+
+func TestParserDeclaration(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_var.asl")
+    want := "x = 1;\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserAssignment(t *testing.T) {
+    got := getCompiled(t, "test/parser_assignment.asl")
+    want := "x = 1;\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserIf(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_if.asl")
+    want := "if (a<b) then {\n};\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserWhile(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_while.asl")
+    want := "while {true} do {\n};"
+    
+    equal(t, got, want)
+}
+
+func TestParserFor(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_for.asl")
+    want := "for [{i=0}, {i<100}, {i=i+1}] do {\n};\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserEach(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_each.asl")
+    want := "{\n} forEach (allUnits);\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserFunction(t *testing.T) {
+    got := getCompiled(t, "test/tokenizer_func.asl")
+    want := "TestFunction = {\nparam0 = _this select 0;\nparam1 = _this select 1;\nreturn true;\n};\n"
+    
+    equal(t, got, want)
+}
+
+func TestParserAssignResult(t *testing.T) {
+    got := getCompiled(t, "test/parser_assign_result.asl")
+    want := "x = [1, 2, 3] call foo;\ny = [1, 2, 3] call bar;"
+    
+    equal(t, got, want)
+}
+
+func getCompiled(t *testing.T, file string) string {
+    code, err := ioutil.ReadFile(file)
+    
+    if err != nil {
+        t.Error("Could not read test file: "+file)
+        t.FailNow()
+    }
+    
+	tokens := Tokenize(code)
+	
+	return Parse(tokens, true)
+}
+
+func equal(t *testing.T, got, want string) {
+    if got != want {
+        t.Error("Results do not equal, got:")
+        t.Log(got)
+        t.Log("expected:")
+        t.Log(want)
+        t.FailNow()
+    }
+}
diff --git a/src/asl/tokenizer_test.go b/src/asl/tokenizer_test.go
index ae95a00..e16eb27 100644
--- a/src/asl/tokenizer_test.go
+++ b/src/asl/tokenizer_test.go
@@ -5,7 +5,7 @@ import (
     "io/ioutil"
 )
 
-func TestVar(t *testing.T) {
+func TestTokenizerVar(t *testing.T) {
     got := getTokens(t, "test/tokenizer_var.asl")
 	want := []string{"var", "x", "=", "1", ";"}
 	
@@ -13,7 +13,7 @@ func TestVar(t *testing.T) {
 	compareTokens(t, &got, &want)
 }
 
-func TestIf(t *testing.T) {
+func TestTokenizerIf(t *testing.T) {
     got := getTokens(t, "test/tokenizer_if.asl")
 	want := []string{"if", "a", "<", "b", "{", "}"}
 	
@@ -21,7 +21,7 @@ func TestIf(t *testing.T) {
 	compareTokens(t, &got, &want)
 }
 
-func TestWhile(t *testing.T) {
+func TestTokenizerWhile(t *testing.T) {
     got := getTokens(t, "test/tokenizer_while.asl")
 	want := []string{"while", "true", "{", "}"}
 	
@@ -29,9 +29,7 @@ func TestWhile(t *testing.T) {
 	compareTokens(t, &got, &want)
 }
 
-//for var i = 0; i < 100; i = i+1 {
-//}
-func TestFor(t *testing.T) {
+func TestTokenizerFor(t *testing.T) {
     got := getTokens(t, "test/tokenizer_for.asl")
 	want := []string{"for", "var", "i", "=", "0", ";", "i", "<", "100", ";", "i", "=", "i+1", "{", "}"}
 	
@@ -39,7 +37,7 @@ func TestFor(t *testing.T) {
 	compareTokens(t, &got, &want)
 }
 
-func TestEach(t *testing.T) {
+func TestTokenizerEach(t *testing.T) {
     got := getTokens(t, "test/tokenizer_each.asl")
 	want := []string{"each", "allUnits", "{", "}"}
 	
@@ -47,7 +45,7 @@ func TestEach(t *testing.T) {
 	compareTokens(t, &got, &want)
 }
 
-func TestFunction(t *testing.T) {
+func TestTokenizerFunction(t *testing.T) {
     got := getTokens(t, "test/tokenizer_func.asl")
 	want := []string{"func", "TestFunction", "(", "param0", ",", "param1", ")", "{", "return", "true", ";", "}"}
 	
diff --git a/src/main/asl.go b/src/main/asl.go
index 724eb26..5df4937 100644
--- a/src/main/asl.go
+++ b/src/main/asl.go
@@ -6,8 +6,15 @@ import (
 	"io/ioutil"
 )
 
+const version = "0.1"
+
 func usage() {
-    fmt.Println("Usage: asl [-v|-pretty]")
+    fmt.Println("Usage: asl [-v|-r|-pretty] <input file/folder> [<output file/folder>]")
+    fmt.Println("-v (optional) shows asl version")
+    fmt.Println("-r (optional) recursivly compile all asl files in folder")
+    fmt.Println("-pretty (optional) activates pretty printing")
+    fmt.Println("<input file/folder> file or directory to compile")
+    fmt.Println("<output file/folder> (optional) output file/folder, if not set, files will be created alongside their asl files")
 }
 
 func main() {
diff --git a/test/parser_assign_result.asl b/test/parser_assign_result.asl
new file mode 100644
index 0000000..c6803a7
--- /dev/null
+++ b/test/parser_assign_result.asl
@@ -0,0 +1,2 @@
+var x = foo(1, 2, 3);
+y = bar(1, 2, 3);
diff --git a/test/parser_assignment.asl b/test/parser_assignment.asl
new file mode 100644
index 0000000..7ea4737
--- /dev/null
+++ b/test/parser_assignment.asl
@@ -0,0 +1 @@
+x = 1;
\ No newline at end of file