Remove plans/ directory (P0/P1/P2 work complete)

vfs/gc/gc_test.go

@@ -0,0 +1,85 @@
+package gc
+
+import (
+	"s1d3sw1ped/steamcache2/vfs/memory"
+	"testing"
+)
+
+func TestGCFS_BasicEvictOnCreate(t *testing.T) {
+	t.Parallel()
+	m := memory.New(400)
+	g := New(m, LRU)
+
+	// Fill over
+	for i := 0; i < 5; i++ {
+		w, err := g.Create("g"+string(rune('0'+i)), 100)
+		if err != nil {
+			t.Fatal(err)
+		}
+		w.Write(make([]byte, 100))
+		w.Close()
+	}
+	// GC should have run in Create path
+	if g.Size() > g.Capacity() {
+		t.Errorf("GCFS size %d exceeded cap %d", g.Size(), g.Capacity())
+	}
+}
+
+func TestAsyncGCFS_Stop(t *testing.T) {
+	t.Parallel()
+	m := memory.New(1 << 20)
+	ag := NewAsync(m, LRU, true, 0.7, 0.9, 1.0)
+	// do some creates
+	for i := 0; i < 3; i++ {
+		w, _ := ag.Create("a"+string(rune(i)), 4096)
+		w.Write(make([]byte, 4096))
+		w.Close()
+	}
+	ag.Stop()
+	// Stop waits on wg; no sleep needed. Post-stop calls should be safe (ctx done paths).
+	// (removed brittle sleep per issue7)
+
+	// Idempotent stop + post-stop ops (no panic)
+	ag.Stop()
+	_ = ag.IsGCRunning()
+}
+
+func TestGCFS_ForceAndStats(t *testing.T) {
+	t.Parallel()
+	m := memory.New(500)
+	g := New(m, LRU)
+	w, _ := g.Create("f", 400)
+	w.Write(make([]byte, 400))
+	w.Close()
+	// Direct Async construction + Force/IsGCRunning (fixes shallow cast that never hit Async paths)
+	ag := NewAsync(m, LRU, false, 0.8, 0.95, 1.0)
+	ag.ForceGC(100)
+	_ = ag.IsGCRunning()
+	ag.Stop()
+
+	if g.Size() > 500 {
+		t.Log("GC may be async")
+	}
+	_ = g.Name()
+}
+
+// TestAsyncGCFS_QueuedAndDoubleStop exercises queueing, running flag, double-stop (issue8 coverage).
+func TestAsyncGCFS_QueuedAndDoubleStop(t *testing.T) {
+	t.Parallel()
+	m := memory.New(1 << 20)
+	ag := NewAsync(m, LRU, true, 0.5, 0.8, 1.0)
+	defer ag.Stop()
+
+	// Queue several (may sync or async depending on thresholds)
+	for i := 0; i < 5; i++ {
+		w, _ := ag.Create("q"+string(rune(i)), 100)
+		w.Write(make([]byte, 100))
+		w.Close()
+	}
+	// Force one
+	ag.ForceGC(10)
+	// ForceGC is synchronous (direct gcFunc); no sleep or IsGCRunning assert needed (worker flag only for async queue paths).
+	_ = ag.IsGCRunning() // still exercise API
+	ag.Stop()
+	ag.Stop() // double stop must not panic
+}