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72 lines
1.7 KiB
72 lines
1.7 KiB
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2024, Benoit BLANCHON
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// MIT License
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#include <ArduinoJson.h>
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#include <catch.hpp>
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TEST_CASE("JsonVariant::isNull()") {
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JsonDocument doc;
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JsonVariant variant = doc.to<JsonVariant>();
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SECTION("returns true when Undefined") {
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns false when Integer") {
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variant.set(42);
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REQUIRE(variant.isNull() == false);
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}
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SECTION("returns false when EmptyArray") {
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JsonDocument doc2;
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JsonArray array = doc2.to<JsonArray>();
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variant.set(array);
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REQUIRE(variant.isNull() == false);
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}
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SECTION("returns false when EmptyObject") {
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JsonDocument doc2;
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JsonObject obj = doc2.to<JsonObject>();
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variant.set(obj);
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REQUIRE(variant.isNull() == false);
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}
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SECTION("returns true after set(JsonArray())") {
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variant.set(JsonArray());
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns true after set(JsonObject())") {
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variant.set(JsonObject());
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns false after set('hello')") {
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variant.set("hello");
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REQUIRE(variant.isNull() == false);
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}
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SECTION("returns true after set((char*)0)") {
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variant.set(static_cast<char*>(0));
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns true after set((const char*)0)") {
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variant.set(static_cast<const char*>(0));
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns true after set(serialized((char*)0))") {
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variant.set(serialized(static_cast<char*>(0)));
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REQUIRE(variant.isNull() == true);
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}
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SECTION("returns true after set(serialized((const char*)0))") {
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variant.set(serialized(static_cast<const char*>(0)));
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REQUIRE(variant.isNull() == true);
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}
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}
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