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https://github.com/bblanchon/ArduinoJson.git
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Moved ancillary files to extras/
(fixes #1011)
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162
extras/tests/JsonArray/subscript.cpp
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162
extras/tests/JsonArray/subscript.cpp
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2019
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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("JsonArray::operator[]") {
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DynamicJsonDocument doc(4096);
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JsonArray array = doc.to<JsonArray>();
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array.add(0);
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SECTION("int") {
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array[0] = 123;
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REQUIRE(123 == array[0].as<int>());
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REQUIRE(true == array[0].is<int>());
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REQUIRE(false == array[0].is<bool>());
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}
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#if ARDUINOJSON_USE_LONG_LONG
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SECTION("long long") {
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array[0] = 9223372036854775807;
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REQUIRE(9223372036854775807 == array[0].as<int64_t>());
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REQUIRE(true == array[0].is<int64_t>());
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REQUIRE(false == array[0].is<int32_t>());
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REQUIRE(false == array[0].is<bool>());
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}
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#endif
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SECTION("double") {
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array[0] = 123.45;
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REQUIRE(123.45 == array[0].as<double>());
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REQUIRE(true == array[0].is<double>());
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REQUIRE(false == array[0].is<int>());
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}
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SECTION("bool") {
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array[0] = true;
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REQUIRE(true == array[0].as<bool>());
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REQUIRE(true == array[0].is<bool>());
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REQUIRE(false == array[0].is<int>());
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}
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SECTION("const char*") {
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const char* str = "hello";
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array[0] = str;
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REQUIRE(str == array[0].as<const char*>());
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REQUIRE(str == array[0].as<char*>()); // <- short hand
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REQUIRE(true == array[0].is<const char*>());
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REQUIRE(false == array[0].is<int>());
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}
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SECTION("nested array") {
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DynamicJsonDocument doc2(4096);
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JsonArray arr2 = doc2.to<JsonArray>();
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array[0] = arr2;
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REQUIRE(arr2 == array[0].as<JsonArray>());
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REQUIRE(true == array[0].is<JsonArray>());
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REQUIRE(false == array[0].is<int>());
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}
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SECTION("nested object") {
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DynamicJsonDocument doc2(4096);
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JsonObject obj = doc2.to<JsonObject>();
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array[0] = obj;
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REQUIRE(obj == array[0].as<JsonObject>());
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REQUIRE(true == array[0].is<JsonObject>());
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REQUIRE(false == array[0].is<int>());
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}
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SECTION("array subscript") {
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DynamicJsonDocument doc2(4096);
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JsonArray arr2 = doc2.to<JsonArray>();
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const char* str = "hello";
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arr2.add(str);
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array[0] = arr2[0];
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REQUIRE(str == array[0]);
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}
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SECTION("object subscript") {
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const char* str = "hello";
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DynamicJsonDocument doc2(4096);
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JsonObject obj = doc2.to<JsonObject>();
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obj["x"] = str;
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array[0] = obj["x"];
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REQUIRE(str == array[0]);
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}
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SECTION("should not duplicate const char*") {
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array[0] = "world";
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const size_t expectedSize = JSON_ARRAY_SIZE(1);
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REQUIRE(expectedSize == doc.memoryUsage());
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}
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SECTION("should duplicate char*") {
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array[0] = const_cast<char*>("world");
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const size_t expectedSize = JSON_ARRAY_SIZE(1) + JSON_STRING_SIZE(6);
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REQUIRE(expectedSize == doc.memoryUsage());
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}
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SECTION("should duplicate std::string") {
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array[0] = std::string("world");
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const size_t expectedSize = JSON_ARRAY_SIZE(1) + JSON_STRING_SIZE(6);
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REQUIRE(expectedSize == doc.memoryUsage());
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}
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SECTION("array[0].to<JsonObject>()") {
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JsonObject obj = array[0].to<JsonObject>();
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REQUIRE(obj.isNull() == false);
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}
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#ifdef HAS_VARIABLE_LENGTH_ARRAY
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SECTION("set(VLA)") {
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int i = 16;
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char vla[i];
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strcpy(vla, "world");
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array.add("hello");
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array[0].set(vla);
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REQUIRE(std::string("world") == array[0]);
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}
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SECTION("operator=(VLA)") {
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int i = 16;
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char vla[i];
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strcpy(vla, "world");
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array.add("hello");
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array[0] = vla;
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REQUIRE(std::string("world") == array[0]);
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}
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#endif
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}
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TEST_CASE("JsonArrayConst::operator[]") {
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DynamicJsonDocument doc(4096);
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JsonArray array = doc.to<JsonArray>();
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array.add(0);
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SECTION("int") {
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array[0] = 123;
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JsonArrayConst carr = array;
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REQUIRE(123 == carr[0].as<int>());
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REQUIRE(true == carr[0].is<int>());
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REQUIRE(false == carr[0].is<bool>());
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}
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}
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