set the cache size on frame creation

db.go

@@ -391,6 +391,10 @@ func (db *DB) createFrame(name string, opt FrameOptions) (*Frame, error) {
 	if opt.RowLabel != "" {
 		f.rowLabel = opt.RowLabel
 	}
+	if opt.CacheSize != 0 {
+		f.rankedCacheSize = opt.CacheSize
+	}
+
 	f.inverseEnabled = opt.InverseEnabled
 	if err := f.saveMeta(); err != nil {
 		f.Close()

fragment.go

@@ -222,25 +222,6 @@ func (f *Fragment) openStorage() error {
 
 }
 
-// // It will be the one and only identifier after a package specifier.
-// var testNameRegexp = regexp.MustCompile(`\.(Test[\p{L}_\p{N}]*)$`)
-
-// // Returns the name of the test function from the call stack. See
-// // http://stackoverflow.com/q/35535635/149482 for another method.
-// func GetTestName() string {
-// 	pc := make([]uintptr, 32)
-// 	n := runtime.Callers(0, pc)
-// 	for i := 0; i < n; i++ {
-// 		name := runtime.FuncForPC(pc[i]).Name()
-// 		ms := testNameRegexp.FindStringSubmatch(name)
-// 		if ms == nil {
-// 			continue
-// 		}
-// 		return ms[1]
-// 	}
-// 	panic("test name could not be recovered")
-// }
-
 // openCache initializes the cache from bitmap ids persisted to disk.
 func (f *Fragment) openCache() error {
 	// Determine cache type from frame name.
@@ -256,9 +237,6 @@ func (f *Fragment) openCache() error {
 		return ErrInvalidCacheType
 	}
 
-	// fmt.Println(GetTestName())
-	// fmt.Printf("CACHE SIZE: %d\n", f.cacheSize)
-
 	// Read cache data from disk.
 	path := f.CachePath()
 	buf, err := ioutil.ReadFile(path)