1 files changed, 26 insertions, 0 deletions
diff --git a/network/protocol/pktline/parse_length_header_test.go b/network/protocol/pktline/parse_length_header_test.go
new file mode 100644
index 00000000..b1a4c1e5
--- /dev/null
+++ b/network/protocol/pktline/parse_length_header_test.go
@@ -0,0 +1,26 @@
+package pktline_test
+
+import (
+	"errors"
+	"testing"
+
+	"codeberg.org/lindenii/furgit/network/protocol/pktline"
+)
+
+func TestParseLengthHeader(t *testing.T) {
+	t.Parallel()
+
+	n, err := pktline.ParseLengthHeader([4]byte{'0', '0', '0', '4'})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if n != 4 {
+		t.Fatalf("got %d, want 4", n)
+	}
+
+	_, err = pktline.ParseLengthHeader([4]byte{'0', '0', '0', 'x'})
+	if !errors.Is(err, pktline.ErrInvalidLength) {
+		t.Fatalf("got err %v, want ErrInvalidLength", err)
+	}
+}