// ArduinoJson - https://arduinojson.org // Copyright © 2014-2024, Benoit BLANCHON // MIT License #include #include #include "Allocators.hpp" TEST_CASE("JsonObject::operator[]") { SpyingAllocator spy; JsonDocument doc(&spy); JsonObject obj = doc.to(); SECTION("int") { obj["hello"] = 123; REQUIRE(123 == obj["hello"].as()); REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); } SECTION("volatile int") { // issue #415 volatile int i = 123; obj["hello"] = i; REQUIRE(123 == obj["hello"].as()); REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); } SECTION("double") { obj["hello"] = 123.45; REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); REQUIRE(123.45 == obj["hello"].as()); } SECTION("bool") { obj["hello"] = true; REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); REQUIRE(true == obj["hello"].as()); } SECTION("const char*") { obj["hello"] = "h3110"; REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); REQUIRE(std::string("h3110") == obj["hello"].as()); } SECTION("array") { JsonDocument doc2; JsonArray arr = doc2.to(); obj["hello"] = arr; REQUIRE(arr == obj["hello"].as()); REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); } SECTION("object") { JsonDocument doc2; JsonObject obj2 = doc2.to(); obj["hello"] = obj2; REQUIRE(obj2 == obj["hello"].as()); REQUIRE(true == obj["hello"].is()); REQUIRE(false == obj["hello"].is()); } SECTION("array subscript") { JsonDocument doc2; JsonArray arr = doc2.to(); arr.add(42); obj["a"] = arr[0]; REQUIRE(42 == obj["a"]); } SECTION("object subscript") { JsonDocument doc2; JsonObject obj2 = doc2.to(); obj2["x"] = 42; obj["a"] = obj2["x"]; REQUIRE(42 == obj["a"]); } SECTION("char key[]") { // issue #423 char key[] = "hello"; obj[key] = 42; REQUIRE(42 == obj[key]); } SECTION("should not duplicate const char*") { obj["hello"] = "world"; REQUIRE(spy.log() == AllocatorLog{Allocate(sizeofPool())}); } SECTION("should duplicate char* value") { obj["hello"] = const_cast("world"); REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofPool()), Allocate(sizeofString("world")), }); } SECTION("should duplicate char* key") { obj[const_cast("hello")] = "world"; REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofString("hello")), Allocate(sizeofPool()), }); } SECTION("should duplicate char* key&value") { obj[const_cast("hello")] = const_cast("world"); REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofString("hello")), Allocate(sizeofPool()), Allocate(sizeofString("world")), }); } SECTION("should duplicate std::string value") { obj["hello"] = std::string("world"); REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofPool()), Allocate(sizeofString("world")), }); } SECTION("should duplicate std::string key") { obj[std::string("hello")] = "world"; REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofString("hello")), Allocate(sizeofPool()), }); } SECTION("should duplicate std::string key&value") { obj[std::string("hello")] = std::string("world"); REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofString("hello")), Allocate(sizeofPool()), Allocate(sizeofString("world")), }); } SECTION("should duplicate a non-static JsonString key") { obj[JsonString("hello", JsonString::Copied)] = "world"; REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofString("hello")), Allocate(sizeofPool()), }); } SECTION("should not duplicate a static JsonString key") { obj[JsonString("hello", JsonString::Linked)] = "world"; REQUIRE(spy.log() == AllocatorLog{ Allocate(sizeofPool()), }); } SECTION("should ignore null key") { // object must have a value to make a call to strcmp() obj["dummy"] = 42; const char* null = 0; obj[null] = 666; REQUIRE(obj.size() == 1); REQUIRE(obj[null] == null); } SECTION("obj[key].to()") { JsonArray arr = obj["hello"].to(); REQUIRE(arr.isNull() == false); } #if defined(HAS_VARIABLE_LENGTH_ARRAY) && \ !defined(SUBSCRIPT_CONFLICTS_WITH_BUILTIN_OPERATOR) SECTION("obj[VLA] = str") { size_t i = 16; char vla[i]; strcpy(vla, "hello"); obj[vla] = "world"; REQUIRE(std::string("world") == obj["hello"]); } SECTION("obj[str] = VLA") { // issue #416 size_t i = 32; char vla[i]; strcpy(vla, "world"); obj["hello"] = vla; REQUIRE(std::string("world") == obj["hello"].as()); } SECTION("obj.set(VLA, str)") { size_t i = 16; char vla[i]; strcpy(vla, "hello"); obj[vla] = "world"; REQUIRE(std::string("world") == obj["hello"]); } SECTION("obj.set(str, VLA)") { size_t i = 32; char vla[i]; strcpy(vla, "world"); obj["hello"].set(vla); REQUIRE(std::string("world") == obj["hello"].as()); } SECTION("obj[VLA]") { size_t i = 16; char vla[i]; strcpy(vla, "hello"); deserializeJson(doc, "{\"hello\":\"world\"}"); obj = doc.as(); REQUIRE(std::string("world") == obj[vla]); } #endif SECTION("chain") { obj["hello"]["world"] = 123; REQUIRE(123 == obj["hello"]["world"].as()); REQUIRE(true == obj["hello"]["world"].is()); REQUIRE(false == obj["hello"]["world"].is()); } }