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path: root/internal/openfiletable/inummap_test.go
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Diffstat (limited to 'internal/openfiletable/inummap_test.go')
-rw-r--r--internal/openfiletable/inummap_test.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/internal/openfiletable/inummap_test.go b/internal/openfiletable/inummap_test.go
new file mode 100644
index 0000000..85438bd
--- /dev/null
+++ b/internal/openfiletable/inummap_test.go
@@ -0,0 +1,81 @@
+package openfiletable
+
+import (
+ "sync"
+ "testing"
+)
+
+func TestTranslate(t *testing.T) {
+ const baseDev = 12345
+ m := NewInumMap(baseDev)
+
+ q := QIno{Dev: baseDev, Ino: 1}
+ out := m.Translate(q)
+ if out != 1 {
+ t.Errorf("expected 1, got %d", out)
+ }
+ q.Ino = inumTranslateBase
+ out = m.Translate(q)
+ if out < inumTranslateBase {
+ t.Errorf("got %d", out)
+ }
+ out2 := m.Translate(q)
+ if out2 != out {
+ t.Errorf("unstable mapping: %d %d", out2, out)
+ }
+}
+
+func TestTranslateStress(t *testing.T) {
+ const baseDev = 12345
+ m := NewInumMap(baseDev)
+ var wg sync.WaitGroup
+ wg.Add(4)
+ go func() {
+ q := QIno{Dev: baseDev}
+ for i := uint64(1); i <= 10000; i++ {
+ q.Ino = i
+ out := m.Translate(q)
+ if out != i {
+ t.Fail()
+ }
+ }
+ wg.Done()
+ }()
+ go func() {
+ q := QIno{Dev: baseDev}
+ for i := uint64(1); i <= 10000; i++ {
+ q.Ino = inumTranslateBase + i
+ out := m.Translate(q)
+ if out < inumTranslateBase {
+ t.Fail()
+ }
+ }
+ wg.Done()
+ }()
+ go func() {
+ q := QIno{Dev: 9999999}
+ for i := uint64(1); i <= 10000; i++ {
+ q.Ino = i
+ out := m.Translate(q)
+ if out < inumTranslateBase {
+ t.Fail()
+ }
+ }
+ wg.Done()
+ }()
+ go func() {
+ q := QIno{Dev: 4444444}
+ for i := uint64(1); i <= 10000; i++ {
+ q.Ino = i
+ out := m.Translate(q)
+ if out < inumTranslateBase {
+ t.Fail()
+ }
+ }
+ wg.Done()
+ }()
+ wg.Wait()
+ if m.Count() != 30000 {
+ t.Fail()
+ }
+}