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68 lines
1.6 KiB
68 lines
1.6 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("JsonVariantConst::operator[]") {
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JsonDocument doc;
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JsonVariantConst var = doc.to<JsonVariant>();
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SECTION("null") {
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REQUIRE(0 == var.size());
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REQUIRE(var["0"].isNull());
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REQUIRE(var[0].isNull());
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}
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SECTION("string") {
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doc.set("hello world");
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REQUIRE(0 == var.size());
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REQUIRE(var["0"].isNull());
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REQUIRE(var[0].isNull());
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}
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SECTION("array") {
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JsonArray array = doc.to<JsonArray>();
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array.add("A");
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array.add("B");
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REQUIRE(std::string("A") == var[0]);
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REQUIRE(std::string("B") == var[1]);
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REQUIRE(std::string("A") ==
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var[static_cast<unsigned char>(0)]); // issue #381
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REQUIRE(var[666].isNull());
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REQUIRE(var[3].isNull());
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REQUIRE(var["0"].isNull());
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}
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SECTION("object") {
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JsonObject object = doc.to<JsonObject>();
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object["a"] = "A";
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object["b"] = "B";
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SECTION("supports const char*") {
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REQUIRE(std::string("A") == var["a"]);
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REQUIRE(std::string("B") == var["b"]);
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REQUIRE(var["c"].isNull());
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REQUIRE(var[0].isNull());
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}
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SECTION("supports std::string") {
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REQUIRE(std::string("A") == var[std::string("a")]);
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REQUIRE(std::string("B") == var[std::string("b")]);
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REQUIRE(var[std::string("c")].isNull());
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}
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#if defined(HAS_VARIABLE_LENGTH_ARRAY) && \
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!defined(SUBSCRIPT_CONFLICTS_WITH_BUILTIN_OPERATOR)
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SECTION("supports VLA") {
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size_t i = 16;
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char vla[i];
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strcpy(vla, "a");
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REQUIRE(std::string("A") == var[vla]);
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}
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#endif
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}
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}
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