fix edge case in spacing

setup_test.go

@@ -1,6 +1,7 @@
 package textplain_test
 
 import (
+	"reflect"
 	"testing"
 
 	"github.com/mailproto/textplain"
@@ -16,15 +17,14 @@ func runTestCases(t *testing.T, testCases []testCase) {
 	}
 }
 
-func runTestCase(t *testing.T, tc testCase) {
+func runTestCase(t *testing.T, tc testCase, converters ...textplain.Converter) {
 
-	converters := map[string]textplain.Converter{
-		"regexp": textplain.NewRegexpConverter(),
-		"tree":   textplain.NewTreeConverter(),
+	if len(converters) == 0 {
+		converters = []textplain.Converter{textplain.NewRegexpConverter(), textplain.NewTreeConverter()}
 	}
 
-	for name, converter := range converters {
-		t.Run(name, func(tt *testing.T) {
+	for _, converter := range converters {
+		t.Run(reflect.TypeOf(converter).Elem().Name(), func(tt *testing.T) {
 			result, err := converter.Convert(tc.body, textplain.DefaultLineLength)
 			assert.Nil(tt, err)
 			assert.Equal(tt, tc.expect, result)

textplain_test.go

@@ -548,3 +548,11 @@ func TestStrippingComments(t *testing.T) {
 		},
 	})
 }
+
+func TestFixSpacing(t *testing.T) {
+	runTestCase(t, testCase{
+		name:   "ends in *",
+		body:   "<p>hello</p>*",
+		expect: "hello\n\n*",
+	})
+}

tree.go

@@ -319,7 +319,7 @@ func (t *TreeConverter) fixSpacing(text string) string {
 	var inList = (processed[0] == '*' && processed[1] == ' ')
 
 tidyLoop:
-	for i := 2; i < len(text); i++ {
+	for i := 2; i < len(text)-1; i++ {
 
 		switch processed[idx] {
 		case '\n':
@@ -338,7 +338,7 @@ tidyLoop:
 					if text[j] == '\t' || text[j] == ' ' || text[j] == '\n' {
 						continue
 					}
-					if text[j] == '*' && j+1 < len(text) && text[j+1] == ' ' {
+					if text[j] == '*' && text[j+1] == ' ' {
 						continue tidyLoop
 					}
 				}
@@ -364,7 +364,7 @@ tidyLoop:
 		idx++
 	}
 
-	return string(processed)
+	return string(append(processed, text[len(text)-1]))
 }
 
 func getAttr(n *html.Node, name string) string {