Fix merge-split spill issues.

1 files changed, 34 insertions, 0 deletions

diff --git a/db_test.go b/db_test.go
index 691c8fb..9fd4662 100644
--- a/db_test.go
+++ b/db_test.go
@@ -7,6 +7,8 @@ import (
 	"io/ioutil"
 	"os"
 	"regexp"
+	"sort"
+	"strings"
 	"testing"
 	"time"
 	"unsafe"
@@ -520,6 +522,38 @@ func mustCheck(db *DB) {
 	}
 }
 
+// mustContainKeys checks that a bucket contains a given set of keys.
+func mustContainKeys(b *Bucket, m map[string]string) {
+	found := make(map[string]string)
+	b.ForEach(func(k, _ []byte) error {
+		found[string(k)] = ""
+		return nil
+	})
+
+	// Check for keys found in bucket that shouldn't be there.
+	var keys []string
+	for k, _ := range found {
+		if _, ok := m[string(k)]; !ok {
+			keys = append(keys, k)
+		}
+	}
+	if len(keys) > 0 {
+		sort.Strings(keys)
+		panic(fmt.Sprintf("keys found(%d): %s", len(keys), strings.Join(keys, ",")))
+	}
+
+	// Check for keys not found in bucket that should be there.
+	for k, _ := range m {
+		if _, ok := found[string(k)]; !ok {
+			keys = append(keys, k)
+		}
+	}
+	if len(keys) > 0 {
+		sort.Strings(keys)
+		panic(fmt.Sprintf("keys not found(%d): %s", len(keys), strings.Join(keys, ",")))
+	}
+}
+
 func trunc(b []byte, length int) []byte {
 	if length < len(b) {
 		return b[:length]