refactor data/dv & update data/dv-related tests

test/coders/json.cpp

@@ -8,6 +8,7 @@ TEST(JSON, EncodeDecode) {
     const int bytesSize = 20;
     const int year = 2019;
     const float score = 3.141592;
+    const bool visible = true;
     dv::objects::Bytes srcBytes(bytesSize);
     for (int i = 0; i < bytesSize; i ++) {
         srcBytes[i] = rand();
@@ -19,6 +20,7 @@ TEST(JSON, EncodeDecode) {
         object["name"] = name;
         object["year"] = year;
         object["score"] = score;
+        object["visible"] = visible;
         object["data"] = srcBytes;
 
         text = json::stringify(object, false, "");
@@ -28,6 +30,7 @@ TEST(JSON, EncodeDecode) {
         EXPECT_EQ(object["name"].asString(), name);
         EXPECT_EQ(object["year"].asInteger(), year);
         EXPECT_FLOAT_EQ(object["score"].asNumber(), score);
+        EXPECT_EQ(object["visible"].asBoolean(), visible);
         auto b64string = object["data"].asString();
 
         auto bytes = util::base64_decode(b64string);

test/data/dv.cpp

@@ -10,6 +10,7 @@ TEST(dv, dv) {
             auto& obj = list.object();
             obj["name"] = "user";
             obj["age"] = 90;
+            obj["confirmed"] = true;
             obj["position"] = dv::list({40, -41, 52});
         }
     }
@@ -18,6 +19,7 @@ TEST(dv, dv) {
         for (const auto& obj : list) {
             EXPECT_EQ(obj["name"].asString(), "user");
             EXPECT_EQ(obj["age"].asInteger(), 90);
+            EXPECT_EQ(obj["confirmed"].asBoolean(), true);
             auto& position = obj["position"];
             EXPECT_EQ(position[0].asInteger(), 40);
             EXPECT_EQ(position[1].asInteger(), -41);