forked from bblanchon/ArduinoJson
bd2dccda0e
Because a slot id is smaller than a pointer, this change will ultimately allow reducing the slot size.
105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
// ArduinoJson - https://arduinojson.org
|
|
// Copyright © 2014-2025, Benoit BLANCHON
|
|
// MIT License
|
|
|
|
#include <ArduinoJson.h>
|
|
#include <catch.hpp>
|
|
|
|
#include "Literals.hpp"
|
|
|
|
TEST_CASE("JsonVariantConst::operator[]") {
|
|
JsonDocument doc;
|
|
JsonVariantConst var = doc.to<JsonVariant>();
|
|
|
|
SECTION("null") {
|
|
REQUIRE(0 == var.size());
|
|
REQUIRE(var["0"].isNull());
|
|
REQUIRE(var[0].isNull());
|
|
}
|
|
|
|
SECTION("string") {
|
|
doc.set("hello world");
|
|
REQUIRE(0 == var.size());
|
|
REQUIRE(var["0"].isNull());
|
|
REQUIRE(var[0].isNull());
|
|
}
|
|
|
|
SECTION("array") {
|
|
JsonArray array = doc.to<JsonArray>();
|
|
array.add("A");
|
|
array.add("B");
|
|
|
|
SECTION("int") {
|
|
REQUIRE("A"_s == var[0]);
|
|
REQUIRE("B"_s == var[1]);
|
|
REQUIRE("A"_s == var[static_cast<unsigned char>(0)]); // issue #381
|
|
REQUIRE(var[666].isNull());
|
|
REQUIRE(var[3].isNull());
|
|
}
|
|
|
|
SECTION("const char*") {
|
|
REQUIRE(var["0"].isNull());
|
|
}
|
|
|
|
SECTION("JsonVariant") {
|
|
array.add(1);
|
|
REQUIRE(var[var[2]] == "B"_s);
|
|
REQUIRE(var[var[3]].isNull());
|
|
}
|
|
}
|
|
|
|
SECTION("object") {
|
|
JsonObject object = doc.to<JsonObject>();
|
|
object["ab"_s] = "AB";
|
|
object["abc"_s] = "ABC";
|
|
object["abc\0d"_s] = "ABCD";
|
|
|
|
SECTION("string literal") {
|
|
REQUIRE(var["ab"] == "AB"_s);
|
|
REQUIRE(var["abc"] == "ABC"_s);
|
|
REQUIRE(var["abc\0d"] == "ABC"_s);
|
|
REQUIRE(var["def"].isNull());
|
|
REQUIRE(var[0].isNull());
|
|
}
|
|
|
|
SECTION("const char*") {
|
|
REQUIRE(var[static_cast<const char*>("ab")] == "AB"_s);
|
|
REQUIRE(var[static_cast<const char*>("abc")] == "ABC"_s);
|
|
REQUIRE(var[static_cast<const char*>("abc\0d")] == "ABC"_s);
|
|
REQUIRE(var[static_cast<const char*>("def")].isNull());
|
|
REQUIRE(var[static_cast<const char*>(0)].isNull());
|
|
}
|
|
|
|
SECTION("supports std::string") {
|
|
REQUIRE(var["ab"_s] == "AB"_s);
|
|
REQUIRE(var["abc"_s] == "ABC"_s);
|
|
REQUIRE(var["abc\0d"_s] == "ABCD"_s);
|
|
REQUIRE(var["def"_s].isNull());
|
|
}
|
|
|
|
#if defined(HAS_VARIABLE_LENGTH_ARRAY) && \
|
|
!defined(SUBSCRIPT_CONFLICTS_WITH_BUILTIN_OPERATOR)
|
|
SECTION("supports VLA") {
|
|
size_t i = 16;
|
|
char vla[i];
|
|
strcpy(vla, "abc");
|
|
|
|
REQUIRE(var[vla] == "ABC"_s);
|
|
}
|
|
#endif
|
|
|
|
SECTION("supports JsonVariant") {
|
|
object["key1"] = "ab";
|
|
object["key2"] = "abc";
|
|
object["key3"] = "abc\0d"_s;
|
|
object["key4"] = "foo";
|
|
|
|
REQUIRE(var[var["key1"]] == "AB"_s);
|
|
REQUIRE(var[var["key2"]] == "ABC"_s);
|
|
REQUIRE(var[var["key3"]] == "ABCD"_s);
|
|
REQUIRE(var[var["key4"]].isNull());
|
|
REQUIRE(var[var["key5"]].isNull());
|
|
}
|
|
}
|
|
}
|