Merge branch 'grow' of https://github.com/xiang90/bolt into xiang90-grow

1 files changed, 8 insertions, 2 deletions

diff --git a/db_test.go b/db_test.go
index c1346b8..7077ef2 100644
--- a/db_test.go
+++ b/db_test.go
@@ -229,6 +229,8 @@ func TestOpen_Size(t *testing.T) {
 	path := db.Path()
 	defer db.MustClose()
 
+	pagesize := db.Info().PageSize
+
 	// Insert until we get above the minimum 4MB size.
 	if err := db.Update(func(tx *bolt.Tx) error {
 		b, _ := tx.CreateBucketIfNotExists([]byte("data"))
@@ -273,7 +275,8 @@ func TestOpen_Size(t *testing.T) {
 	}
 
 	// Compare the original size with the new size.
-	if sz != newSz {
+	// db size might increase by a few page sizes due to the new small update.
+	if sz < newSz-5*int64(pagesize) {
 		t.Fatalf("unexpected file growth: %d => %d", sz, newSz)
 	}
 }
@@ -290,6 +293,8 @@ func TestOpen_Size_Large(t *testing.T) {
 	path := db.Path()
 	defer db.MustClose()
 
+	pagesize := db.Info().PageSize
+
 	// Insert until we get above the minimum 4MB size.
 	var index uint64
 	for i := 0; i < 10000; i++ {
@@ -338,7 +343,8 @@ func TestOpen_Size_Large(t *testing.T) {
 	}
 
 	// Compare the original size with the new size.
-	if sz != newSz {
+	// db size might increase by a few page sizes due to the new small update.
+	if sz < newSz-5*int64(pagesize) {
 		t.Fatalf("unexpected file growth: %d => %d", sz, newSz)
 	}
 }