Files
ArduinoJson/test/StaticMemoryPool/startString.cpp
2018-09-03 16:14:21 +02:00

50 lines
1.1 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson.h>
#include <catch.hpp>
using namespace ArduinoJson::Internals;
TEST_CASE("StaticMemoryPool::startString()") {
SECTION("WorksWhenBufferIsBigEnough") {
StaticMemoryPool<6> memoryPool;
StaticMemoryPoolBase::String str = memoryPool.startString();
str.append('h');
str.append('e');
str.append('l');
str.append('l');
str.append('o');
REQUIRE(std::string("hello") == str.c_str());
}
SECTION("ReturnsNullWhenTooSmall") {
StaticMemoryPool<5> memoryPool;
StaticMemoryPoolBase::String str = memoryPool.startString();
str.append('h');
str.append('e');
str.append('l');
str.append('l');
str.append('o');
REQUIRE(0 == str.c_str());
}
SECTION("SizeIncreases") {
StaticMemoryPool<5> memoryPool;
StaticMemoryPoolBase::String str = memoryPool.startString();
REQUIRE(0 == memoryPool.size());
str.append('h');
REQUIRE(1 == memoryPool.size());
str.c_str();
REQUIRE(2 == memoryPool.size());
}
}