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#include <components/esm3/readerscache.hpp>
#include <components/files/collections.hpp>
#include <components/files/multidircollection.hpp>
#include <gtest/gtest.h>
#ifndef OPENMW_DATA_DIR
#error "OPENMW_DATA_DIR is not defined"
#endif
namespace
{
using namespace testing;
using namespace ESM;
TEST(ESM3ReadersCache, onAttemptToRequestTheSameReaderTwiceShouldThrowException)
{
ReadersCache readers(1);
const ReadersCache::BusyItem reader = readers.get(0);
EXPECT_THROW(readers.get(0), std::logic_error);
}
TEST(ESM3ReadersCache, shouldAllowToHaveBusyItemsMoreThanCapacity)
{
ReadersCache readers(1);
const ReadersCache::BusyItem reader0 = readers.get(0);
const ReadersCache::BusyItem reader1 = readers.get(1);
}
TEST(ESM3ReadersCache, shouldKeepClosedReleasedClosedItem)
{
ReadersCache readers(1);
readers.get(0);
const ReadersCache::BusyItem reader = readers.get(0);
EXPECT_FALSE(reader->isOpen());
}
struct ESM3ReadersCacheWithContentFile : Test
{
static constexpr std::size_t sInitialOffset = 324;
static constexpr std::size_t sSkip = 100;
const Files::PathContainer mDataDirs{ { std::filesystem::path{ OPENMW_DATA_DIR } } };
const Files::Collections mFileCollections{ mDataDirs };
const std::string mContentFile = "template.omwgame";
const std::filesystem::path mContentFilePath = mFileCollections.getCollection(".omwgame").getPath(mContentFile);
};
TEST_F(ESM3ReadersCacheWithContentFile, shouldKeepOpenReleasedOpenReader)
{
ReadersCache readers(1);
{
const ReadersCache::BusyItem reader = readers.get(0);
reader->open(mContentFilePath);
ASSERT_TRUE(reader->isOpen());
ASSERT_EQ(reader->getFileOffset(), sInitialOffset);
ASSERT_GT(reader->getFileSize(), sInitialOffset + sSkip);
reader->skip(sSkip);
ASSERT_EQ(reader->getFileOffset(), sInitialOffset + sSkip);
}
{
const ReadersCache::BusyItem reader = readers.get(0);
EXPECT_TRUE(reader->isOpen());
EXPECT_EQ(reader->getName(), mContentFilePath);
EXPECT_EQ(reader->getFileOffset(), sInitialOffset + sSkip);
}
}
TEST_F(ESM3ReadersCacheWithContentFile, shouldCloseFreeReaderWhenReachingCapacityLimit)
{
ReadersCache readers(1);
{
const ReadersCache::BusyItem reader = readers.get(0);
reader->open(mContentFilePath);
ASSERT_TRUE(reader->isOpen());
ASSERT_EQ(reader->getFileOffset(), sInitialOffset);
ASSERT_GT(reader->getFileSize(), sInitialOffset + sSkip);
reader->skip(sSkip);
ASSERT_EQ(reader->getFileOffset(), sInitialOffset + sSkip);
}
{
const ReadersCache::BusyItem reader = readers.get(1);
reader->open(mContentFilePath);
ASSERT_TRUE(reader->isOpen());
}
{
const ReadersCache::BusyItem reader = readers.get(0);
EXPECT_TRUE(reader->isOpen());
EXPECT_EQ(reader->getFileOffset(), sInitialOffset);
}
}
TEST_F(ESM3ReadersCacheWithContentFile, CachedSizeAndName)
{
ESM::ReadersCache readers(2);
{
readers.get(0)->openRaw(std::make_unique<std::istringstream>("123"), "closed0.omwaddon");
readers.get(1)->openRaw(std::make_unique<std::istringstream>("12345"), "closed1.omwaddon");
readers.get(2)->openRaw(std::make_unique<std::istringstream>("1234567"), "free.omwaddon");
}
auto busy = readers.get(3);
busy->openRaw(std::make_unique<std::istringstream>("123456789"), "busy.omwaddon");
EXPECT_EQ(readers.getFileSize(0), 3);
EXPECT_EQ(readers.getName(0), "closed0.omwaddon");
EXPECT_EQ(readers.getFileSize(1), 5);
EXPECT_EQ(readers.getName(1), "closed1.omwaddon");
EXPECT_EQ(readers.getFileSize(2), 7);
EXPECT_EQ(readers.getName(2), "free.omwaddon");
EXPECT_EQ(readers.getFileSize(3), 9);
EXPECT_EQ(readers.getName(3), "busy.omwaddon");
// not-yet-seen indices give zero for their size
EXPECT_EQ(readers.getFileSize(4), 0);
}
}
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