tmp

freelist/freelist_test.go

@@ -2,22 +2,39 @@ package freelist
 
 import (
 	"fmt"
-	"os"
 	"testing"
 )
 
 func createFreeList() (_ *FreeList, err error) {
-	file, err := os.OpenFile("test.free", os.O_CREATE|os.O_RDWR, 0666)
-	if err != nil {
-		return
-	}
 	return New(Options{
-		PageSize: 20,
-		File:     file,
+		PageSize:        20,
+		BaseFilePath:    "test.basefree",
+		DeltaFilePath:   "test.deltafree",
+		FrozenPageCount: 2,
 	})
 }
 
-func TestAddToFreeList(t *testing.T) {
+func TestBuffer(t *testing.T) {
+	freeList, err := createFreeList()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	pageNumbers := []uint32{1, 2, 3, 4}
+	//pageNumbers := []uint32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
+
+	err = freeList.AddPageNumbers(pageNumbers)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for range len(pageNumbers) + 1 {
+		pageNo, err := freeList.GetPageNumber()
+		fmt.Println(pageNo, err)
+	}
+}
+
+func TestSave(t *testing.T) {
 	freeList, err := createFreeList()
 	if err != nil {
 		t.Fatal(err)
@@ -29,16 +46,67 @@ func TestAddToFreeList(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+
+	err = freeList.Merge()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// for range len(pageNumbers) + 1 {
+	// 	pageNo, err := freeList.GetPageNumber()
+	// 	fmt.Println(pageNo, err)
+	// }
 }
 
-func TestGetFromFreeList(t *testing.T) {
+func TestDelta(t *testing.T) {
 	freeList, err := createFreeList()
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	for range 4 {
+	serialized := []byte{9, 0, 0, 0, 10, 0, 0, 0}
+
+	err = freeList.Restore(serialized)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for range 3 {
 		pageNo, err := freeList.GetPageNumber()
 		fmt.Println(pageNo, err)
 	}
+
+	err = freeList.AddPageNumbers([]uint32{20, 21, 22})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = freeList.AddPageNumbers([]uint32{23, 24, 25, 26})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	serialized, err = freeList.Serialize()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	fmt.Println("free serialized:", serialized)
+
+	err = freeList.Merge()
+	if err != nil {
+		t.Fatal(err)
+	}
 }
+
+// func TestGetFromFreeList(t *testing.T) {
+// 	freeList, err := createFreeList()
+// 	if err != nil {
+// 		t.Fatal(err)
+// 	}
+
+// 	for range 4 {
+// 		pageNo, err := freeList.GetPageNumber()
+// 		fmt.Println(pageNo, err)
+// 	}
+// }