Rename tests/JsonObject/copy.cpp to set.cpp

extras/tests/JsonObject/set.cpp

@@ -0,0 +1,141 @@
+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2024, Benoit BLANCHON
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+#include "Allocators.hpp"
+
+TEST_CASE("JsonObject::set()") {
+  SpyingAllocator spy;
+  JsonDocument doc1(&spy);
+  JsonDocument doc2(&spy);
+
+  JsonObject obj1 = doc1.to<JsonObject>();
+  JsonObject obj2 = doc2.to<JsonObject>();
+
+  SECTION("doesn't copy static string in key or value") {
+    obj1["hello"] = "world";
+    spy.clearLog();
+
+    bool success = obj2.set(obj1);
+
+    REQUIRE(success == true);
+    REQUIRE(obj2["hello"] == std::string("world"));
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofPool()),
+                         });
+  }
+
+  SECTION("copy local string value") {
+    obj1["hello"] = std::string("world");
+    spy.clearLog();
+
+    bool success = obj2.set(obj1);
+
+    REQUIRE(success == true);
+    REQUIRE(obj2["hello"] == std::string("world"));
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofPool()),
+                             Allocate(sizeofString("world")),
+                         });
+  }
+
+  SECTION("copy local key") {
+    obj1[std::string("hello")] = "world";
+    spy.clearLog();
+
+    bool success = obj2.set(obj1);
+
+    REQUIRE(success == true);
+    REQUIRE(obj2["hello"] == std::string("world"));
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofString("hello")),
+                             Allocate(sizeofPool()),
+                         });
+  }
+
+  SECTION("copy string from deserializeJson()") {
+    deserializeJson(doc1, "{'hello':'world'}");
+    spy.clearLog();
+
+    bool success = obj2.set(obj1);
+
+    REQUIRE(success == true);
+    REQUIRE(obj2["hello"] == std::string("world"));
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofString("hello")),
+                             Allocate(sizeofPool()),
+                             Allocate(sizeofString("world")),
+                         });
+  }
+
+  SECTION("copy string from deserializeMsgPack()") {
+    deserializeMsgPack(doc1, "\x81\xA5hello\xA5world");
+    spy.clearLog();
+
+    bool success = obj2.set(obj1);
+
+    REQUIRE(success == true);
+    REQUIRE(obj2["hello"] == std::string("world"));
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofString("hello")),
+                             Allocate(sizeofPool()),
+                             Allocate(sizeofString("world")),
+                         });
+  }
+
+  SECTION("should work with JsonObjectConst") {
+    obj1["hello"] = "world";
+
+    obj2.set(static_cast<JsonObjectConst>(obj1));
+
+    REQUIRE(obj2["hello"] == std::string("world"));
+  }
+
+  SECTION("copy fails in the middle of an object") {
+    TimebombAllocator timebomb(2);
+    JsonDocument doc3(&timebomb);
+    JsonObject obj3 = doc3.to<JsonObject>();
+
+    obj1[std::string("a")] = 1;
+    obj1[std::string("b")] = 2;
+
+    bool success = obj3.set(obj1);
+
+    REQUIRE(success == false);
+    REQUIRE(doc3.as<std::string>() == "{\"a\":1}");
+  }
+
+  SECTION("copy fails in the middle of an array") {
+    TimebombAllocator timebomb(1);
+    JsonDocument doc3(&timebomb);
+    JsonObject obj3 = doc3.to<JsonObject>();
+
+    obj1["hello"][0] = std::string("world");
+
+    bool success = obj3.set(obj1);
+
+    REQUIRE(success == false);
+    REQUIRE(doc3.as<std::string>() == "{\"hello\":[null]}");
+  }
+
+  SECTION("destination is null") {
+    JsonObject null;
+    obj1["hello"] = "world";
+
+    bool success = null.set(obj1);
+
+    REQUIRE(success == false);
+  }
+
+  SECTION("source is null") {
+    JsonObject null;
+    obj1["hello"] = "world";
+
+    bool success = obj1.set(null);
+
+    REQUIRE(success == false);
+  }
+}