Cache limit test (go-xorm#917)

* add test for cache with limit

* change the version

session_find_test.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"fmt"
 	"testing"
+	"time"
 
 	"github.com/go-xorm/core"
 	"github.com/stretchr/testify/assert"
@@ -729,3 +730,40 @@ func TestFindExtends3(t *testing.T) {
 	assert.NoError(t, err)
 	assert.EqualValues(t, 2, len(results))
 }
+
+func TestFindCacheLimit(t *testing.T) {
+	type InviteCode struct {
+		ID      int64     `xorm:"pk autoincr 'id'"`
+		Code    string    `xorm:"unique"`
+		Created time.Time `xorm:"created"`
+	}
+
+	assert.NoError(t, prepareEngine())
+	assertSync(t, new(InviteCode))
+
+	cnt, err := testEngine.Insert(&InviteCode{
+		Code: "123456",
+	})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+
+	cnt, err = testEngine.Insert(&InviteCode{
+		Code: "234567",
+	})
+	assert.NoError(t, err)
+	assert.EqualValues(t, 1, cnt)
+
+	for i := 0; i < 8; i++ {
+		var beans []InviteCode
+		err = testEngine.Limit(1, 0).Find(&beans)
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, len(beans))
+	}
+
+	for i := 0; i < 8; i++ {
+		var beans2 []*InviteCode
+		err = testEngine.Limit(1, 0).Find(&beans2)
+		assert.NoError(t, err)
+		assert.EqualValues(t, 1, len(beans2))
+	}
+}

xorm.go

@@ -17,7 +17,7 @@ import (
 
 const (
 	// Version show the xorm's version
-	Version string = "0.6.6.0413"
+	Version string = "0.6.6.0429"
 )
 
 func regDrvsNDialects() bool {