arduino/libraries/ArduinoJson/test/DynamicMemoryPool/startString.cpp
Martin Donnelly e9c94ebfff update
2018-11-13 14:50:48 +00:00

52 lines
1.1 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
typedef DynamicMemoryPool::StringBuilder StringBuilder;
TEST_CASE("DynamicMemoryPool::startString()") {
SECTION("WorksWhenBufferIsBigEnough") {
DynamicMemoryPool memoryPool(6);
StringBuilder str = memoryPool.startString();
str.append('h');
str.append('e');
str.append('l');
str.append('l');
str.append('o');
REQUIRE(str.complete().equals("hello"));
}
SECTION("GrowsWhenBufferIsTooSmall") {
DynamicMemoryPool memoryPool(5);
StringBuilder str = memoryPool.startString();
str.append('h');
str.append('e');
str.append('l');
str.append('l');
str.append('o');
REQUIRE(str.complete().equals("hello"));
}
SECTION("SizeIncreases") {
DynamicMemoryPool memoryPool(5);
StringBuilder str = memoryPool.startString();
REQUIRE(0 == memoryPool.size());
str.append('h');
REQUIRE(1 == memoryPool.size());
str.complete();
REQUIRE(2 == memoryPool.size());
}
}