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XCEngine/tests/Resources/test_resource_cache.cpp

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4.4 KiB
C++

#include <gtest/gtest.h>
#include <XCEngine/Resources/ResourceCache.h>
#include <XCEngine/Resources/IResource.h>
#include <XCEngine/Resources/ResourceTypes.h>
#include <XCEngine/Resources/ResourceManager.h>
#include <XCEngine/Containers/String.h>
using namespace XCEngine::Resources;
using namespace XCEngine::Containers;
namespace {
class TestResource : public IResource {
public:
ResourceType GetType() const override { return ResourceType::Texture; }
const String& GetName() const override { return m_name; }
const String& GetPath() const override { return m_path; }
ResourceGUID GetGUID() const override { return m_guid; }
bool IsValid() const override { return m_isValid; }
size_t GetMemorySize() const override { return m_memorySize; }
void Release() override { delete this; }
};
TEST(ResourceCache, AddAndFind) {
ResourceCache cache;
TestResource* resource = new TestResource();
resource->Initialize({ "Test", "test.png", ResourceGUID(100), 1024 });
ResourceGUID guid(100);
cache.Add(guid, resource);
IResource* found = cache.Find(guid);
EXPECT_EQ(found, resource);
cache.Remove(guid);
found = cache.Find(guid);
EXPECT_EQ(found, nullptr);
}
TEST(ResourceCache, GetSize) {
ResourceCache cache;
EXPECT_EQ(cache.GetSize(), 0u);
TestResource* resource1 = new TestResource();
resource1->Initialize({ "Test1", "test1.png", ResourceGUID(1), 100 });
cache.Add(ResourceGUID(1), resource1);
EXPECT_EQ(cache.GetSize(), 1u);
TestResource* resource2 = new TestResource();
resource2->Initialize({ "Test2", "test2.png", ResourceGUID(2), 200 });
cache.Add(ResourceGUID(2), resource2);
EXPECT_EQ(cache.GetSize(), 2u);
}
TEST(ResourceCache, GetMemoryUsage) {
ResourceCache cache;
EXPECT_EQ(cache.GetMemoryUsage(), 0u);
TestResource* resource1 = new TestResource();
resource1->Initialize({ "Test1", "test1.png", ResourceGUID(1), 100 });
cache.Add(ResourceGUID(1), resource1);
EXPECT_EQ(cache.GetMemoryUsage(), 100u);
TestResource* resource2 = new TestResource();
resource2->Initialize({ "Test2", "test2.png", ResourceGUID(2), 200 });
cache.Add(ResourceGUID(2), resource2);
EXPECT_EQ(cache.GetMemoryUsage(), 300u);
}
TEST(ResourceCache, SetMemoryBudget) {
ResourceCache cache;
EXPECT_EQ(cache.GetMemoryBudget(), 512 * 1024 * 1024u);
cache.SetMemoryBudget(1024);
EXPECT_EQ(cache.GetMemoryBudget(), 1024u);
}
TEST(ResourceCache, Touch) {
ResourceCache cache;
TestResource* resource = new TestResource();
resource->Initialize({ "Test", "test.png", ResourceGUID(100), 100 });
ResourceGUID guid(100);
cache.Add(guid, resource);
cache.Touch(guid);
IResource* found = cache.Find(guid);
EXPECT_EQ(found, resource);
}
TEST(ResourceCache, Clear) {
ResourceCache cache;
TestResource* resource1 = new TestResource();
resource1->Initialize({ "Test1", "test1.png", ResourceGUID(1), 100 });
cache.Add(ResourceGUID(1), resource1);
TestResource* resource2 = new TestResource();
resource2->Initialize({ "Test2", "test2.png", ResourceGUID(2), 200 });
cache.Add(ResourceGUID(2), resource2);
EXPECT_EQ(cache.GetSize(), 2u);
cache.Clear();
EXPECT_EQ(cache.GetSize(), 0u);
EXPECT_EQ(cache.GetMemoryUsage(), 0u);
}
TEST(ResourceCache, OnMemoryPressure) {
ResourceCache cache;
cache.SetMemoryBudget(150);
TestResource* resource1 = new TestResource();
resource1->Initialize({ "Test1", "test1.png", ResourceGUID(1), 100 });
cache.Add(ResourceGUID(1), resource1);
EXPECT_EQ(cache.GetMemoryUsage(), 100u);
TestResource* resource2 = new TestResource();
resource2->Initialize({ "Test2", "test2.png", ResourceGUID(2), 100 });
cache.Add(ResourceGUID(2), resource2);
EXPECT_EQ(cache.GetMemoryUsage(), 200u);
cache.OnMemoryPressure(50);
EXPECT_LE(cache.GetMemoryUsage(), 150u);
}
TEST(ResourceCache, GetLRUList) {
ResourceCache cache;
TestResource* resource1 = new TestResource();
resource1->Initialize({ "Test1", "test1.png", ResourceGUID(1), 100 });
cache.Add(ResourceGUID(1), resource1);
TestResource* resource2 = new TestResource();
resource2->Initialize({ "Test2", "test2.png", ResourceGUID(2), 200 });
cache.Add(ResourceGUID(2), resource2);
auto lruList = cache.GetLRUList(2);
EXPECT_GE(lruList.Size(), 0u);
}
} // namespace