Add sscan, hscan, zscan

datastruct/dict/simple_test.go

@@ -53,3 +53,30 @@ func TestSimpleDict_PutIfExists(t *testing.T) {
 		return
 	}
 }
+
+func TestSimpleDict_Scan(t *testing.T) {
+	d := MakeSimple()
+	size := 10
+	for i := 0; i < size; i++ {
+		str := "a" + utils.RandString(5)
+		d.Put(str, []byte(str))
+	}
+	keys, nextCursor := d.DictScan(0, size, "*")
+	if len(keys) != size*2 {
+		t.Errorf("expect %d keys, actual: %d", size*2, len(keys))
+		return
+	}
+	if nextCursor != 0 {
+		t.Errorf("expect 0, actual: %d", nextCursor)
+		return
+	}
+	for i := 0; i < size; i++ {
+		str := "b" + utils.RandString(5)
+		d.Put(str, str)
+	}
+	keys, _ = d.DictScan(0, size*2, "a*")
+	if len(keys) != size*2 {
+		t.Errorf("expect %d keys, actual: %d", size*2, len(keys))
+		return
+	}
+}