Fix Unquoted String scanning

nbt/snbt_scanner_test.go

@@ -1,6 +1,9 @@
 package nbt
 
-import "testing"
+import (
+	_ "embed"
+	"testing"
+)
 
 func TestSNBT_number(t *testing.T) {
 	goods := []string{
@@ -9,10 +12,6 @@ func TestSNBT_number(t *testing.T) {
 		"255B", "1234s", "6666L",
 		"314F", "3.14f", "3.14159265358979323846264D",
 	}
-	bads := []string{
-		".0", "1234.5678.90",
-		"25-5B", "1234.s",
-	}
 	var s scanner
 	scan := func(str string) bool {
 		s.reset()
@@ -29,36 +28,29 @@ func TestSNBT_number(t *testing.T) {
 			t.Errorf("scan valid data %q error: %v", str, s.err)
 		}
 	}
-	for _, str := range bads {
-		if scan(str) {
-			t.Errorf("scan invalid data %q success", str)
-		}
-	}
 }
 
+//go:embed bigTest_test.snbt
+var bigTest string
+
 func TestSNBT_compound(t *testing.T) {
 	goods := []string{
 		`{}`, `{name:3.14f}`, `{ "name" : 12345 }`,
-		`{ abc: { }}`, `{ "ab\"c": {}, def: 12345}`,
+		`{ abc: { }}`, `{ "a b\"c": {}, def: 12345}`,
+		bigTest,
 	}
 	var s scanner
-	scan := func(str string) bool {
+	for _, str := range goods {
 		s.reset()
-		for _, c := range []byte(str) {
+		for i, c := range []byte(str) {
 			res := s.step(c)
 			if res == scanError {
-				return false
+				t.Errorf("scan valid data %q error: %v at [%d]", str[:i], s.err, i)
+				break
 			}
 		}
-		return true
-	}
-	for _, str := range goods {
-		if scan(str) == false {
-			t.Errorf("scan valid data %q error: %v", str, s.err)
-		}
 	}
 }
-
 func TestSNBT_list(t *testing.T) {
 	goods := []string{
 		`[]`, `[a, 'b', "c", d]`, // List of string