1 files changed, 53 insertions, 0 deletions
diff --git a/internal/game/fix_game_regression_test.go b/internal/game/fix_game_regression_test.go
new file mode 100644
index 0000000..7edbf8a
--- /dev/null
+++ b/internal/game/fix_game_regression_test.go
@@ -0,0 +1,53 @@
+package game
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestRawArgsFromPreservesCaseAndSkipsVerb(t *testing.T) {
+	cases := []struct {
+		name string
+		raw  string
+		verb string
+		want []string
+	}{
+		{"option free text", "option visual_tick_text Tick Tock", "option", []string{"visual_tick_text", "Tick", "Tock"}},
+		{"options fallback", "options visual_tick_text Tick", "option", []string{"visual_tick_text", "Tick"}},
+		{"alias case", "alias g Say Hi", "alias", []string{"g", "Say", "Hi"}},
+		{"collapsed whitespace", "say   hello world", "say", []string{"hello", "world"}},
+		{"room action double space", "room  addlocalobj [lamp] A brass lamp", "room", []string{"addlocalobj", "[lamp]", "A", "brass", "lamp"}},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := rawArgsFrom(tc.raw, tc.verb)
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Fatalf("rawArgsFrom(%q, %q) = %#v, want %#v", tc.raw, tc.verb, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestParseLocalObjArgsUsesSplitRest(t *testing.T) {
+	name, aliases, desc := parseLocalObjArgs("[lamp] A brass lamp")
+	if name != "lamp" || len(aliases) != 0 || desc != "A brass lamp" {
+		t.Fatalf("bracket form = (%q, %v, %q)", name, aliases, desc)
+	}
+	name, aliases, desc = parseLocalObjArgs("[vase, urn] A clay pot")
+	if name != "vase" || !reflect.DeepEqual(aliases, []string{"urn"}) || desc != "A clay pot" {
+		t.Fatalf("bracket aliases = (%q, %v, %q)", name, aliases, desc)
+	}
+	name, aliases, desc = parseLocalObjArgs("lamp A brass lamp")
+	if name != "lamp" || aliases != nil || desc != "A brass lamp" {
+		t.Fatalf("plain form = (%q, %v, %q)", name, aliases, desc)
+	}
+}
+
+func TestCountUniqueNonEmpty(t *testing.T) {
+	if got := countUniqueNonEmpty([]string{"a", "b", "a", ""}); got != 2 {
+		t.Fatalf("countUniqueNonEmpty = %d, want 2", got)
+	}
+	if got := countUniqueNonEmpty(nil); got != 0 {
+		t.Fatalf("countUniqueNonEmpty(nil) = %d, want 0", got)
+	}
+}