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Removed the automatic expansion of DynamicJsonDocument

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This commit is contained in:
Benoit Blanchon
2018-11-16 10:26:59 +01:00
parent c832edbda3
commit 2bd280df80
28 changed files with 446 additions and 919 deletions
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5
test/CMakeLists.txt
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@ -71,7 +71,6 @@ if(MSVC)
)
endif()
add_subdirectory(DynamicMemoryPool)
add_subdirectory(IntegrationTests)
add_subdirectory(JsonArray)
add_subdirectory(JsonDeserializer)
@ -80,9 +79,9 @@ add_subdirectory(JsonObject)
add_subdirectory(JsonSerializer)
add_subdirectory(JsonVariant)
add_subdirectory(JsonWriter)
add_subdirectory(MemoryPool)
add_subdirectory(Misc)
add_subdirectory(MixedConfiguration)
add_subdirectory(MsgPackDeserializer)
add_subdirectory(MsgPackSerializer)
add_subdirectory(Numbers)
add_subdirectory(StaticMemoryPool)
add_subdirectory(MixedConfiguration)

16
test/DynamicMemoryPool/CMakeLists.txt
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@ -1,16 +0,0 @@
# ArduinoJson - arduinojson.org
# Copyright Benoit Blanchon 2014-2018
# MIT License
add_executable(DynamicMemoryPoolTests
allocString.cpp
allocVariant.cpp
blocks.cpp
clear.cpp
no_memory.cpp
size.cpp
StringBuilder.cpp
)
target_link_libraries(DynamicMemoryPoolTests catch)
add_test(DynamicMemoryPool DynamicMemoryPoolTests)

41
test/DynamicMemoryPool/StringBuilder.cpp
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@ -1,41 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <ArduinoJson/Memory/StringBuilder.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("DynamicMemoryPool::startString()") {
SECTION("WorksWhenBufferIsBigEnough") {
DynamicMemoryPool memoryPool(JSON_STRING_SIZE(8));
StringBuilder str(&memoryPool);
str.append("abcdefg");
REQUIRE(memoryPool.blockCount() == 1);
REQUIRE(str.complete().equals("abcdefg"));
}
SECTION("GrowsWhenBufferIsTooSmall") {
DynamicMemoryPool memoryPool(JSON_STRING_SIZE(8));
StringBuilder str(&memoryPool);
str.append("abcdefghABC");
REQUIRE(memoryPool.blockCount() == 2);
REQUIRE(str.complete().equals("abcdefghABC"));
}
SECTION("SizeIncreases") {
DynamicMemoryPool memoryPool(JSON_STRING_SIZE(5));
StringBuilder str(&memoryPool);
str.append('h');
str.complete();
REQUIRE(JSON_STRING_SIZE(2) == memoryPool.size());
}
}

28
test/DynamicMemoryPool/allocString.cpp
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@ -1,28 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
#include <sstream>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("DynamicMemoryPool::allocFrozenString()") {
DynamicMemoryPool pool;
SECTION("Returns different pointers") {
StringSlot* a = pool.allocFrozenString(1);
StringSlot* b = pool.allocFrozenString(2);
REQUIRE(a != b);
REQUIRE(a->value != b->value);
}
SECTION("Returns same slot after freeString") {
StringSlot* a = pool.allocFrozenString(1);
pool.freeString(a);
StringSlot* b = pool.allocFrozenString(2);
REQUIRE(a == b);
REQUIRE(a->value == b->value);
}
}

41
test/DynamicMemoryPool/allocVariant.cpp
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@ -1,41 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("DynamicMemoryPool::allocVariant()") {
DynamicMemoryPool memoryPool;
SECTION("Returns different pointer") {
VariantSlot* s1 = memoryPool.allocVariant();
VariantSlot* s2 = memoryPool.allocVariant();
REQUIRE(s1 != s2);
}
SECTION("Returns same pointer after freeSlot()") {
VariantSlot* s1 = memoryPool.allocVariant();
memoryPool.freeVariant(s1);
VariantSlot* s2 = memoryPool.allocVariant();
REQUIRE(s1 == s2);
}
SECTION("Returns aligned pointers") {
// make room for two but not three
// pass an uneven capacity
DynamicMemoryPool pool(2 * sizeof(VariantSlot) + 1);
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(pool.blockCount() == 1);
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(pool.blockCount() == 2);
}
}

69
test/DynamicMemoryPool/blocks.cpp
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@ -1,69 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
#include <sstream>
using namespace ARDUINOJSON_NAMESPACE;
std::stringstream allocatorLog;
struct SpyingAllocator : DefaultAllocator {
void* allocate(size_t n) {
allocatorLog << "A" << (n - DynamicMemoryPool::EmptyBlockSize);
return DefaultAllocator::allocate(n);
}
void deallocate(void* p) {
allocatorLog << "F";
return DefaultAllocator::deallocate(p);
}
};
TEST_CASE("DynamicMemoryPool blocks") {
SECTION("Doubles allocation size when full") {
allocatorLog.str("");
{
DynamicMemoryPoolBase<SpyingAllocator> memoryPool(sizeof(VariantSlot));
memoryPool.allocVariant();
memoryPool.allocVariant();
}
std::stringstream expected;
expected << "A" << sizeof(VariantSlot) // block 1
<< "A" << 2 * sizeof(VariantSlot) // block 2, twice bigger
<< "FF";
REQUIRE(allocatorLog.str() == expected.str());
}
SECTION("Resets allocation size after clear()") {
allocatorLog.str("");
{
DynamicMemoryPoolBase<SpyingAllocator> memoryPool(sizeof(VariantSlot));
memoryPool.allocVariant();
memoryPool.allocVariant();
memoryPool.clear();
memoryPool.allocVariant();
}
std::stringstream expected;
expected << "A" << sizeof(VariantSlot) // block 1
<< "A" << 2 * sizeof(VariantSlot) // block 2, twice bigger
<< "FF" // clear
<< "A" << sizeof(VariantSlot) // block 1
<< "F";
REQUIRE(allocatorLog.str() == expected.str());
}
/* SECTION("Alloc big block for large string") {
allocatorLog.str("");
{
DynamicMemoryPoolBase<SpyingAllocator> memoryPool(1);
memoryPool.allocString(42);
}
std::stringstream expected;
expected << "A" << JSON_STRING_SIZE(42) // block 1
<< "F";
REQUIRE(allocatorLog.str() == expected.str());
}*/
}

47
test/DynamicMemoryPool/clear.cpp
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@ -1,47 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("StaticMemoryPool::clear()") {
DynamicMemoryPool memoryPool;
SECTION("Discards allocated variants") {
memoryPool.allocVariant();
REQUIRE(memoryPool.size() > 0);
memoryPool.clear();
CHECK(memoryPool.size() == 0);
}
SECTION("Discards allocated strings") {
memoryPool.allocFrozenString(10);
REQUIRE(memoryPool.size() > 0);
memoryPool.clear();
CHECK(memoryPool.size() == 0);
}
SECTION("Purges variant cache") {
memoryPool.freeVariant(memoryPool.allocVariant());
REQUIRE(memoryPool.size() == 0);
memoryPool.clear();
CHECK(memoryPool.size() == 0);
}
SECTION("Purges string cache") {
memoryPool.freeString(memoryPool.allocFrozenString(10));
// REQUIRE(memoryPool.size() == 0);
memoryPool.clear();
CHECK(memoryPool.size() == 0);
}
}

41
test/DynamicMemoryPool/no_memory.cpp
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@ -1,41 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <ArduinoJson/Memory/StringBuilder.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
struct NoMemoryAllocator {
void* allocate(size_t) {
return NULL;
}
void deallocate(void*) {}
};
TEST_CASE("DynamicMemoryPool no memory") {
DynamicMemoryPoolBase<NoMemoryAllocator> _memoryPool;
SECTION("FixCodeCoverage") {
// call this function to fix code coverage
NoMemoryAllocator().deallocate(NULL);
}
// TODO: uncomment
// SECTION("deserializeJson()") {
// char json[] = "{[]}";
// DynamicJsonDocument obj;
// DeserializationError err = deserializeJson(obj, json);
// REQUIRE(err != DeserializationError::Ok);
// }
SECTION("StringBuilder returns null") {
StringBuilder str(&_memoryPool);
str.append('!');
REQUIRE(str.complete().isNull());
}
}

56
test/DynamicMemoryPool/size.cpp
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@ -1,56 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/DynamicMemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("DynamicMemoryPool::size()") {
DynamicMemoryPool memoryPool;
SECTION("Initial size is 0") {
REQUIRE(0 == memoryPool.size());
}
SECTION("Increases after allocExpandableString()") {
StringSlot* a = memoryPool.allocExpandableString();
memoryPool.freezeString(a, 1);
REQUIRE(memoryPool.size() == JSON_STRING_SIZE(1));
StringSlot* b = memoryPool.allocExpandableString();
memoryPool.freezeString(b, 1);
REQUIRE(memoryPool.size() == 2 * JSON_STRING_SIZE(1));
}
SECTION("Increases after allocVariant()") {
memoryPool.allocVariant();
REQUIRE(sizeof(VariantSlot) == memoryPool.size());
memoryPool.allocVariant();
REQUIRE(2 * sizeof(VariantSlot) == memoryPool.size());
}
SECTION("Decreases after freeVariant()") {
VariantSlot* a = memoryPool.allocVariant();
VariantSlot* b = memoryPool.allocVariant();
memoryPool.freeVariant(b);
REQUIRE(sizeof(VariantSlot) == memoryPool.size());
memoryPool.freeVariant(a);
REQUIRE(0 == memoryPool.size());
}
SECTION("Decreases after freeString()") {
StringSlot* a = memoryPool.allocFrozenString(5);
StringSlot* b = memoryPool.allocFrozenString(6);
memoryPool.freeString(b);
REQUIRE(memoryPool.size() == JSON_STRING_SIZE(5));
memoryPool.freeString(a);
REQUIRE(memoryPool.size() == 0);
}
}

12
test/JsonDocument/DynamicJsonDocument.cpp
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@ -39,6 +39,18 @@ TEST_CASE("DynamicJsonDocument") {
}
}
SECTION("capacity()") {
SECTION("matches constructor argument") {
DynamicJsonDocument doc2(256);
REQUIRE(doc2.capacity() == 256);
}
SECTION("rounds up constructor argument") {
DynamicJsonDocument doc2(253);
REQUIRE(doc2.capacity() == 256);
}
}
SECTION("Copy constructor") {
deserializeJson(doc, "{\"hello\":\"world\"}");
doc.nestingLimit = 42;

12
test/JsonDocument/StaticJsonDocument.cpp
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@ -6,6 +6,18 @@
#include <catch.hpp>
TEST_CASE("StaticJsonDocument") {
SECTION("capacity()") {
SECTION("matches template argument") {
StaticJsonDocument<256> doc;
REQUIRE(doc.capacity() == 256);
}
SECTION("rounds up template argument") {
StaticJsonDocument<253> doc;
REQUIRE(doc.capacity() == 256);
}
}
SECTION("serializeJson()") {
StaticJsonDocument<200> doc;
JsonObject obj = doc.to<JsonObject>();

6
test/StaticMemoryPool/CMakeLists.txt → test/MemoryPool/CMakeLists.txt
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@ -2,7 +2,7 @@
# Copyright Benoit Blanchon 2014-2018
# MIT License
add_executable(StaticMemoryPoolTests
add_executable(MemoryPoolTests
allocVariant.cpp
allocString.cpp
clear.cpp
@ -10,5 +10,5 @@ add_executable(StaticMemoryPoolTests
StringBuilder.cpp
)
target_link_libraries(StaticMemoryPoolTests catch)
add_test(StaticMemoryPool StaticMemoryPoolTests)
target_link_libraries(MemoryPoolTests catch)
add_test(MemoryPool MemoryPoolTests)

16
test/StaticMemoryPool/StringBuilder.cpp → test/MemoryPool/StringBuilder.cpp
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@ -2,15 +2,17 @@
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
#include <ArduinoJson/Memory/MemoryPool.hpp>
#include <ArduinoJson/Memory/StringBuilder.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
static char buffer[4096];
TEST_CASE("StringBuilder") {
SECTION("WorksWhenBufferIsBigEnough") {
StaticMemoryPool<JSON_STRING_SIZE(6)> memoryPool;
SECTION("Works when buffer is big enough") {
MemoryPool memoryPool(buffer, addPadding(JSON_STRING_SIZE(6)));
StringBuilder str(&memoryPool);
str.append("hello");
@ -18,17 +20,17 @@ TEST_CASE("StringBuilder") {
REQUIRE(str.complete().equals("hello"));
}
SECTION("ReturnsNullWhenTooSmall") {
StaticMemoryPool<1> memoryPool;
SECTION("Returns null when too small") {
MemoryPool memoryPool(buffer, sizeof(void*));
StringBuilder str(&memoryPool);
str.append("hello!!!");
str.append("hello world!");
REQUIRE(str.complete().isNull());
}
SECTION("Increases size of memory pool") {
StaticMemoryPool<JSON_STRING_SIZE(6)> memoryPool;
MemoryPool memoryPool(buffer, addPadding(JSON_STRING_SIZE(6)));
StringBuilder str(&memoryPool);
str.append('h');

22
test/StaticMemoryPool/allocString.cpp → test/MemoryPool/allocString.cpp
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@ -2,15 +2,16 @@
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
#include <ArduinoJson/Memory/MemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("StaticMemoryPool::allocFrozenString()") {
TEST_CASE("MemoryPool::allocFrozenString()") {
const size_t poolCapacity = 64;
const size_t longestString = poolCapacity - sizeof(StringSlot);
StaticMemoryPool<poolCapacity> pool;
char buffer[poolCapacity];
MemoryPool pool(buffer, poolCapacity);
SECTION("Returns different addresses") {
StringSlot *a = pool.allocFrozenString(1);
@ -35,6 +36,16 @@ TEST_CASE("StaticMemoryPool::allocFrozenString()") {
REQUIRE(0 == p);
}
SECTION("Returns NULL when buffer is NULL") {
MemoryPool pool2(0, poolCapacity);
REQUIRE(0 == pool2.allocFrozenString(2));
}
SECTION("Returns NULL when capacity is 0") {
MemoryPool pool2(buffer, 0);
REQUIRE(0 == pool2.allocFrozenString(2));
}
SECTION("Returns aligned pointers") {
REQUIRE(isAligned(pool.allocFrozenString(1)));
REQUIRE(isAligned(pool.allocFrozenString(1)));
@ -74,10 +85,11 @@ TEST_CASE("StaticMemoryPool::allocFrozenString()") {
}
}
TEST_CASE("StaticMemoryPool::freeString()") {
TEST_CASE("MemoryPool::freeString()") {
const size_t poolCapacity = 512;
const size_t longestString = poolCapacity - sizeof(StringSlot);
StaticMemoryPool<poolCapacity> pool;
char buffer[poolCapacity];
MemoryPool pool(buffer, poolCapacity);
static const size_t testStringSize =
(poolCapacity - sizeof(StringSlot) * 4 - sizeof(VariantSlot) * 4) / 4;

60
test/MemoryPool/allocVariant.cpp Normal file
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@ -0,0 +1,60 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/MemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
static char buffer[4096];
TEST_CASE("MemoryPool::allocVariant()") {
SECTION("Returns different pointer") {
MemoryPool pool(buffer, sizeof(buffer));
VariantSlot* s1 = pool.allocVariant();
REQUIRE(s1 != 0);
VariantSlot* s2 = pool.allocVariant();
REQUIRE(s2 != 0);
REQUIRE(s1 != s2);
}
SECTION("Returns same pointer after freeSlot()") {
MemoryPool pool(buffer, sizeof(buffer));
VariantSlot* s1 = pool.allocVariant();
pool.freeVariant(s1);
VariantSlot* s2 = pool.allocVariant();
REQUIRE(s1 == s2);
}
SECTION("Returns aligned pointers") {
MemoryPool pool(buffer, sizeof(buffer));
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(isAligned(pool.allocVariant()));
}
SECTION("Returns zero if capacity is 0") {
MemoryPool pool(buffer, 0);
REQUIRE(pool.allocVariant() == 0);
}
SECTION("Returns zero if buffer is null") {
MemoryPool pool(0, sizeof(buffer));
REQUIRE(pool.allocVariant() == 0);
}
SECTION("Returns zero if capacity is insufficient") {
MemoryPool pool(buffer, sizeof(VariantSlot));
pool.allocVariant();
REQUIRE(pool.allocVariant() == 0);
}
}

8
test/StaticMemoryPool/clear.cpp → test/MemoryPool/clear.cpp
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@ -2,15 +2,16 @@
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
#include <ArduinoJson/Memory/MemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
static const size_t poolCapacity = 512;
TEST_CASE("StaticMemoryPool::clear()") {
StaticMemoryPool<poolCapacity> memoryPool;
TEST_CASE("MemoryPool::clear()") {
char buffer[poolCapacity];
MemoryPool memoryPool(buffer, sizeof(buffer));
SECTION("Discards allocated variants") {
memoryPool.allocVariant();
@ -21,6 +22,7 @@ TEST_CASE("StaticMemoryPool::clear()") {
SECTION("Discards allocated strings") {
memoryPool.allocFrozenString(10);
REQUIRE(memoryPool.size() > 0);
memoryPool.clear();

48
test/StaticMemoryPool/size.cpp → test/MemoryPool/size.cpp
View File

@ -2,44 +2,61 @@
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
#include <ArduinoJson/Memory/MemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("StaticMemoryPool::size()") {
SECTION("Capacity equals template parameter") {
const size_t capacity = 64;
StaticMemoryPool<capacity> memoryPool;
REQUIRE(capacity == memoryPool.capacity());
}
char buffer[4096];
TEST_CASE("MemoryPool::capacity()") {
const size_t capacity = 64;
MemoryPool memoryPool(buffer, capacity);
REQUIRE(capacity == memoryPool.capacity());
}
TEST_CASE("MemoryPool::size()") {
MemoryPool memoryPool(buffer, sizeof(buffer));
SECTION("Initial size is 0") {
StaticMemoryPool<32> memoryPool;
REQUIRE(0 == memoryPool.size());
}
SECTION("size() == capacity() after allocExpandableString()") {
memoryPool.allocExpandableString();
REQUIRE(memoryPool.size() == memoryPool.capacity());
}
SECTION("Decreases after freezeString()") {
StringSlot* a = memoryPool.allocExpandableString();
memoryPool.freezeString(a, 1);
REQUIRE(memoryPool.size() == JSON_STRING_SIZE(1));
StringSlot* b = memoryPool.allocExpandableString();
memoryPool.freezeString(b, 1);
REQUIRE(memoryPool.size() == 2 * JSON_STRING_SIZE(1));
}
SECTION("Increases after allocFrozenString()") {
StaticMemoryPool<128> memoryPool;
memoryPool.allocFrozenString(0);
REQUIRE(memoryPool.size() == JSON_STRING_SIZE(0));
memoryPool.allocFrozenString(0);
REQUIRE(memoryPool.size() == 2 * JSON_STRING_SIZE(0));
}
SECTION("Decreases after freeVariant()") {
StaticMemoryPool<128> memoryPool;
VariantSlot* a = memoryPool.allocVariant();
VariantSlot* b = memoryPool.allocVariant();
memoryPool.freeVariant(b);
REQUIRE(memoryPool.size() == sizeof(VariantSlot));
memoryPool.freeVariant(a);
REQUIRE(memoryPool.size() == 0);
}
SECTION("Decreases after calling freeString() in order") {
StaticMemoryPool<128> memoryPool;
StringSlot* a = memoryPool.allocFrozenString(5);
REQUIRE(a != 0);
StringSlot* b = memoryPool.allocFrozenString(6);
@ -52,7 +69,6 @@ TEST_CASE("StaticMemoryPool::size()") {
}
SECTION("Decreases after calling freeString() in reverse order") {
StaticMemoryPool<128> memoryPool;
StringSlot* a = memoryPool.allocFrozenString(5);
REQUIRE(a != 0);
StringSlot* b = memoryPool.allocFrozenString(6);
@ -65,15 +81,13 @@ TEST_CASE("StaticMemoryPool::size()") {
}
SECTION("Doesn't grow when memory pool is full") {
const size_t variantCount = 4;
const size_t capacity = variantCount * sizeof(VariantSlot);
StaticMemoryPool<capacity> memoryPool;
const size_t variantCount = sizeof(buffer) / sizeof(VariantSlot);
for (size_t i = 0; i < variantCount; i++) memoryPool.allocVariant();
REQUIRE(capacity == memoryPool.size());
size_t size = memoryPool.size();
memoryPool.allocVariant();
REQUIRE(capacity == memoryPool.size());
REQUIRE(size == memoryPool.size());
}
}

2
test/MsgPackSerializer/serializeArray.cpp
View File

@ -26,7 +26,7 @@ static void check(const JsonArray array, const std::string& expected) {
}
TEST_CASE("serialize MsgPack array") {
DynamicJsonDocument doc;
DynamicJsonDocument doc(JSON_ARRAY_SIZE(65536));
JsonArray array = doc.to<JsonArray>();
SECTION("empty") {

38
test/StaticMemoryPool/allocVariant.cpp
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@ -1,38 +0,0 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#include <ArduinoJson/Memory/StaticMemoryPool.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("StaticMemoryPool::allocVariant()") {
StaticMemoryPool<128> memoryPool;
SECTION("Returns different pointer") {
VariantSlot* s1 = memoryPool.allocVariant();
REQUIRE(s1 != 0);
VariantSlot* s2 = memoryPool.allocVariant();
REQUIRE(s2 != 0);
REQUIRE(s1 != s2);
}
SECTION("Returns same pointer after freeSlot()") {
VariantSlot* s1 = memoryPool.allocVariant();
memoryPool.freeVariant(s1);
VariantSlot* s2 = memoryPool.allocVariant();
REQUIRE(s1 == s2);
}
SECTION("Returns aligned pointers") {
// make room for two
// pass an uneven capacity
StaticMemoryPool<2 * sizeof(VariantSlot) + 1> pool;
REQUIRE(isAligned(pool.allocVariant()));
REQUIRE(isAligned(pool.allocVariant()));
}
}