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Paul
2020-05-08 16:04:53 +02:00
parent 26b201ea2f
commit 30b502a1e4
538 changed files with 60624 additions and 21122 deletions
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39
lib_standalone/ArduinoJson/extras/tests/JsonDocument/isNull.cpp Normal file
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// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2020
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("JsonDocument::isNull()") {
DynamicJsonDocument doc(4096);
SECTION("returns true if uninitialized") {
REQUIRE(doc.isNull() == true);
}
SECTION("returns false after to<JsonObject>()") {
doc.to<JsonObject>();
REQUIRE(doc.isNull() == false);
}
SECTION("returns false after to<JsonArray>()") {
doc.to<JsonArray>();
REQUIRE(doc.isNull() == false);
}
SECTION("returns true after to<JsonVariant>()") {
REQUIRE(doc.isNull() == true);
}
SECTION("returns false after set()") {
doc.to<JsonVariant>().set(42);
REQUIRE(doc.isNull() == false);
}
SECTION("returns true after clear()") {
doc.to<JsonObject>();
doc.clear();
REQUIRE(doc.isNull() == true);
}
}