arduino/libraries/ArduinoJson/test/Misc/StringWriter.cpp
2018-11-03 20:21:33 +00:00

56 lines
1.3 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
using namespace ArduinoJson::Internals;
template <typename StringWriter>
static size_t print(StringWriter& sb, const char* s) {
return sb.write(reinterpret_cast<const uint8_t*>(s), strlen(s));
}
template <typename StringWriter, typename String>
void common_tests(StringWriter& sb, const String& output) {
SECTION("InitialState") {
REQUIRE(std::string("") == output);
}
SECTION("EmptyString") {
REQUIRE(0 == print(sb, ""));
REQUIRE(std::string("") == output);
}
SECTION("OneString") {
REQUIRE(4 == print(sb, "ABCD"));
REQUIRE(std::string("ABCD") == output);
}
SECTION("TwoStrings") {
REQUIRE(4 == print(sb, "ABCD"));
REQUIRE(4 == print(sb, "EFGH"));
REQUIRE(std::string("ABCDEFGH") == output);
}
}
TEST_CASE("StaticStringWriter") {
char output[20];
StaticStringWriter sb(output, sizeof(output));
common_tests(sb, static_cast<const char*>(output));
SECTION("OverCapacity") {
REQUIRE(19 == print(sb, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"));
REQUIRE(0 == print(sb, "ABC"));
REQUIRE(std::string("ABCDEFGHIJKLMNOPQRS") == output);
}
}
TEST_CASE("DynamicStringWriter") {
std::string output;
DynamicStringWriter<std::string> sb(output);
common_tests(sb, output);
}