object/tree/mode: Roundtrip tests

1 files changed, 24 insertions, 0 deletions

diff --git a/object/tree/mode/roundtrip_test.go b/object/tree/mode/roundtrip_test.go
new file mode 100644
index 00000000..af493049
--- /dev/null
+++ b/object/tree/mode/roundtrip_test.go
@@ -0,0 +1,24 @@
+package mode_test
+
+import (
+	"testing"
+
+	"lindenii.org/go/furgit/object/tree/mode"
+)
+
+func TestParseAppendRoundTrip(t *testing.T) {
+	t.Parallel()
+
+	for _, m := range []mode.Mode{mode.Directory, mode.Regular, mode.Executable, mode.Symlink, mode.Gitlink} {
+		raw := m.Append(nil)
+
+		got, err := mode.Parse(raw)
+		if err != nil {
+			t.Fatalf("Parse(%q): %v", raw, err)
+		}
+
+		if got != m {
+			t.Fatalf("round trip %o -> %q -> %o", m, raw, got)
+		}
+	}
+}