Add BoolFlag for rawdatastore.

service/rawdatastore/datastore_test.go

Index: service/rawdatastore/datastore_test.go
diff --git a/service/rawdatastore/datastore_test.go b/service/rawdatastore/datastore_test.go
index 462fe7cfac382ea5e6c20ac429050da0031821b7..ae4d9abe08d665d74ea47de81fd82e73909c3e72 100644
--- a/service/rawdatastore/datastore_test.go
+++ b/service/rawdatastore/datastore_test.go
@@ -1641,10 +1641,12 @@ func TestSpecial(t *testing.T) {
 
 		Convey("convertible meta default types", func() {
 			type OKDefaults struct {
-				When   string `gae:"$when,tomorrow"`
-				Amount int64  `gae:"$amt,100"`
+				When   string   `gae:"$when,tomorrow"`
+				Amount int64    `gae:"$amt,100"`
+				DoIt   BoolFlag `gae:"$doit,true"`
 			}
-			pls := GetPLS(&OKDefaults{})
+			okd := &OKDefaults{}
+			pls := GetPLS(okd)
 			So(pls.Problem(), ShouldBeNil)
 
 			v, err := pls.GetMeta("when")
@@ -1654,6 +1656,25 @@ func TestSpecial(t *testing.T) {
 			v, err = pls.GetMeta("amt")
 			So(err, ShouldBeNil)
 			So(v, ShouldEqual, int64(100))
+
+			So(okd.DoIt, ShouldEqual, Auto)
+			v, err = pls.GetMeta("doit")
+			So(err, ShouldBeNil)
+			So(v, ShouldBeTrue)
+
+			err = pls.SetMeta("doit", false)
+			So(err, ShouldBeNil)
+			v, err = pls.GetMeta("doit")
+			So(err, ShouldBeNil)
+			So(v, ShouldBeFalse)
+			So(okd.DoIt, ShouldEqual, False)
+
+			err = pls.SetMeta("doit", true)
+			So(err, ShouldBeNil)
+			v, err = pls.GetMeta("doit")
+			So(err, ShouldBeNil)
+			So(v, ShouldBeTrue)
+			So(okd.DoIt, ShouldEqual, True)
 		})
 
 		Convey("meta fields can be saved", func() {