1 files changed, 34 insertions, 0 deletions
diff --git a/format/sideband64k/decoder_malformed_pktline_test.go b/format/sideband64k/decoder_malformed_pktline_test.go
new file mode 100644
index 00000000..ffa746ca
--- /dev/null
+++ b/format/sideband64k/decoder_malformed_pktline_test.go
@@ -0,0 +1,34 @@
+package sideband64k_test
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"codeberg.org/lindenii/furgit/format/pktline"
+	"codeberg.org/lindenii/furgit/format/sideband64k"
+)
+
+func TestDecoderInvalid0003(t *testing.T) {
+	t.Parallel()
+
+	dec := sideband64k.NewDecoder(strings.NewReader("0003"), sideband64k.ReadOptions{})
+	_, err := dec.ReadFrame()
+
+	var pe *pktline.ProtocolError
+	if !errors.As(err, &pe) {
+		t.Fatalf("got err %v, want pktline.ProtocolError", err)
+	}
+}
+
+func TestDecoderRejectsOverMaximumLength(t *testing.T) {
+	t.Parallel()
+
+	dec := sideband64k.NewDecoder(strings.NewReader("fffe"), sideband64k.ReadOptions{})
+	_, err := dec.ReadFrame()
+
+	var pe *pktline.ProtocolError
+	if !errors.As(err, &pe) {
+		t.Fatalf("got err %v, want pktline.ProtocolError", err)
+	}
+}