1 files changed, 22 insertions, 0 deletions
diff --git a/protocol/pktline/decoder_rejects_over_maximum_length_test.go b/protocol/pktline/decoder_rejects_over_maximum_length_test.go
new file mode 100644
index 00000000..67dd5053
--- /dev/null
+++ b/protocol/pktline/decoder_rejects_over_maximum_length_test.go
@@ -0,0 +1,22 @@
+package pktline_test
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"codeberg.org/lindenii/furgit/protocol/pktline"
+)
+
+func TestDecoderRejectsOverMaximumLength(t *testing.T) {
+	t.Parallel()
+
+	dec := pktline.NewDecoder(strings.NewReader("fffe"), pktline.ReadOptions{})
+	dec.SetMaxData(70000)
+
+	_, err := dec.ReadFrame()
+
+	if _, ok := errors.AsType[*pktline.ProtocolError](err); !ok {
+		t.Fatalf("got err %v, want ProtocolError", err)
+	}
+}