1 files changed, 26 insertions, 0 deletions
diff --git a/internal/game/owner_goexit_test.go b/internal/game/owner_goexit_test.go
new file mode 100644
index 0000000..5be643f
--- /dev/null
+++ b/internal/game/owner_goexit_test.go
@@ -0,0 +1,26 @@
+package game
+
+import (
+	"runtime"
+	"testing"
+	"time"
+)
+
+// A task that calls runtime.Goexit (t.Fatal on the owner goroutine) stops the
+// owner loop. Later RunOnOwner calls must return instead of blocking forever
+// waiting for a consumer that no longer exists.
+func TestOwnerGoexitDoesNotHangLaterTasks(t *testing.T) {
+	h := newHarness(t)
+	h.g.RunOnOwner(func() { runtime.Goexit() })
+
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		h.g.RunOnOwner(func() {})
+	}()
+	select {
+	case <-done:
+	case <-time.After(5 * time.Second):
+		t.Fatal("RunOnOwner hung after the owner goroutine exited")
+	}
+}