printer: add list example

printer/printer_test.go

@@ -25,6 +25,7 @@ type entry struct {
 // Use go test -update to create/update the respective golden files.
 var data = []entry{
 	{"complexhcl.input", "complexhcl.golden"},
+	{"list.input", "list.golden"},
 }
 
 func TestFiles(t *testing.T) {

printer/testdata/list.golden

@@ -0,0 +1,27 @@
+foo = ["fatih", "arslan"]
+
+foo = ["bar", "qaz"]
+
+foo = ["zeynep", 
+	"arslan",
+]
+
+foo = ["fatih", "zeynep", 
+	"arslan",
+]
+
+foo = [
+	"vim-go", 
+	"golang", 
+	"hcl",
+]
+
+foo = []
+
+foo = [1, 2, 3, 4]
+
+foo = [
+	"kenya", 
+	"ethiopia", 
+	"columbia",
+]

printer/testdata/list.input

@@ -0,0 +1,21 @@
+foo = ["fatih", "arslan"           ]
+
+foo = [        "bar", "qaz", ]
+
+foo = [             "zeynep", 
+"arslan", ]
+
+foo = ["fatih", "zeynep",
+"arslan", ]
+
+foo = [
+	"vim-go", 
+	"golang", "hcl"]
+
+foo = []
+
+foo = [1,   2,3,       4]
+
+foo = [
+	"kenya",        "ethiopia",
+	"columbia"]