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39 lines
862 B
39 lines
862 B
// 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("JsonDocument::isNull()") { |
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JsonDocument doc; |
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SECTION("returns true if uninitialized") { |
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REQUIRE(doc.isNull() == true); |
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} |
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SECTION("returns false after to<JsonObject>()") { |
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doc.to<JsonObject>(); |
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REQUIRE(doc.isNull() == false); |
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} |
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SECTION("returns false after to<JsonArray>()") { |
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doc.to<JsonArray>(); |
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REQUIRE(doc.isNull() == false); |
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} |
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SECTION("returns true after to<JsonVariant>()") { |
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REQUIRE(doc.isNull() == true); |
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} |
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SECTION("returns false after set()") { |
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doc.to<JsonVariant>().set(42); |
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REQUIRE(doc.isNull() == false); |
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} |
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SECTION("returns true after clear()") { |
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doc.to<JsonObject>(); |
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doc.clear(); |
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REQUIRE(doc.isNull() == true); |
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} |
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}
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