1 files changed, 32 insertions, 0 deletions
diff --git a/format/sideband64k/decoder_peek_test.go b/format/sideband64k/decoder_peek_test.go
new file mode 100644
index 00000000..900e714c
--- /dev/null
+++ b/format/sideband64k/decoder_peek_test.go
@@ -0,0 +1,32 @@
+package sideband64k_test
+
+import (
+	"strings"
+	"testing"
+
+	"codeberg.org/lindenii/furgit/format/sideband64k"
+)
+
+func TestDecoderPeek(t *testing.T) {
+	t.Parallel()
+
+	dec := sideband64k.NewDecoder(strings.NewReader("0006\x01x0000"), sideband64k.ReadOptions{})
+
+	f, err := dec.PeekFrame()
+	if err != nil {
+		t.Fatalf("PeekFrame: %v", err)
+	}
+	if f.Type != sideband64k.FrameData || string(f.Payload) != "x" {
+		t.Fatalf("peek frame = %#v", f)
+	}
+
+	f.Payload[0] = 'y'
+
+	f, err = dec.ReadFrame()
+	if err != nil {
+		t.Fatalf("ReadFrame: %v", err)
+	}
+	if f.Type != sideband64k.FrameData || string(f.Payload) != "x" {
+		t.Fatalf("read frame = %#v", f)
+	}
+}