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https://github.com/bblanchon/ArduinoJson.git
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cd8373ad32
Instead of storing a pointer, the function copies the `VariantData`. Benefits: * smaller code * no impact on programs that don't use this feature Drawbacks: * changes to the original variant are not always reflected on the copy * modifying the original from the shallow copy leads to UB
47 lines
942 B
C++
47 lines
942 B
C++
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2022, Benoit BLANCHON
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// MIT License
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#include <ArduinoJson.h>
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#include <stdint.h>
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#include <catch.hpp>
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TEST_CASE("JsonVariant::add()") {
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DynamicJsonDocument doc(4096);
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JsonVariant var = doc.to<JsonVariant>();
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SECTION("add integer to new variant") {
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var.add(42);
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REQUIRE(var.as<std::string>() == "[42]");
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}
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SECTION("add const char* to new variant") {
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var.add("hello");
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REQUIRE(var.as<std::string>() == "[\"hello\"]");
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}
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SECTION("add std::string to new variant") {
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var.add(std::string("hello"));
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REQUIRE(var.as<std::string>() == "[\"hello\"]");
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}
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SECTION("add integer to integer") {
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var.set(123);
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var.add(456); // no-op
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REQUIRE(var.as<std::string>() == "123");
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}
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SECTION("add integer to object") {
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var["val"] = 123;
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var.add(456); // no-op
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REQUIRE(var.as<std::string>() == "{\"val\":123}");
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}
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}
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