Added more tests

examples/shell/const.q

@@ -0,0 +1,7 @@
+const idtype {
+	pid 1
+}
+
+const state {
+	exited 0x4
+}

examples/shell/shell.q

@@ -2,14 +2,6 @@ import io
 import mem
 import sys
 
-const idtype {
-	pid 1
-}
-
-const state {
-	exited 0x4
-}
-
 main() {
 	length := 256
 	command := mem.alloc(length)

src/ast/ast_test.go

@@ -20,23 +20,15 @@ func TestAssign(t *testing.T) {
 	assert.NotNil(t, assignment.Expression)
 }
 
-func TestReturn(t *testing.T) {
+func TestGroups(t *testing.T) {
-	tree, err := parse("return")
+	tree, err := parse("f(\nx\n)\ng(\nx\n)")
 	assert.Nil(t, err)
-	assert.Equal(t, len(tree), 1)
+	assert.Equal(t, len(tree), 2)
 
-	ret := tree[0].(*ast.Return)
+	f := tree[0].(*ast.Call)
-	assert.Nil(t, ret.Values)
+	assert.NotNil(t, f.Expression)
-}
+	g := tree[1].(*ast.Call)
-
+	assert.NotNil(t, g.Expression)
-func TestReturnValues(t *testing.T) {
-	tree, err := parse("return 42")
-	assert.Nil(t, err)
-	assert.Equal(t, len(tree), 1)
-
-	ret := tree[0].(*ast.Return)
-	assert.Equal(t, len(ret.Values), 1)
-	assert.Equal(t, ret.Values[0].Token.Kind, token.Number)
 }
 
 func TestIfElse(t *testing.T) {
@@ -56,6 +48,31 @@ func TestLoop(t *testing.T) {
 	assert.Equal(t, len(tree), 1)
 }
 
+func TestNewLine(t *testing.T) {
+	tree, err := parse("\n\n\n")
+	assert.Nil(t, err)
+	assert.Equal(t, len(tree), 0)
+}
+
+func TestReturn(t *testing.T) {
+	tree, err := parse("return")
+	assert.Nil(t, err)
+	assert.Equal(t, len(tree), 1)
+
+	ret := tree[0].(*ast.Return)
+	assert.Nil(t, ret.Values)
+}
+
+func TestReturnValues(t *testing.T) {
+	tree, err := parse("return 42")
+	assert.Nil(t, err)
+	assert.Equal(t, len(tree), 1)
+
+	ret := tree[0].(*ast.Return)
+	assert.Equal(t, len(ret.Values), 1)
+	assert.Equal(t, ret.Values[0].Token.Kind, token.Number)
+}
+
 func parse(code string) (ast.AST, error) {
 	src := []byte(code)
 	tokens := token.Tokenize(src)

src/ast/eachInstruction.go

@@ -9,13 +9,13 @@ func eachInstruction(tokens token.List, call func(token.List) error) error {
 	blockLevel := 0
 
 	for i, t := range tokens {
-		if start == i && t.Kind == token.NewLine {
+		switch t.Kind {
+		case token.NewLine:
+			if start == i {
 				start = i + 1
 				continue
 			}
 
-		switch t.Kind {
-		case token.NewLine:
 			if groupLevel > 0 || blockLevel > 0 {
 				continue
 			}