57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
#include <gtest/gtest.h>
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#include "blockstore/implementations/caching/CachingBlockStore.h"
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#include "blockstore/implementations/testfake/FakeBlockStore.h"
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using ::testing::Test;
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using cpputils::Data;
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using cpputils::unique_ref;
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using cpputils::make_unique_ref;
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using blockstore::testfake::FakeBlockStore;
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using namespace blockstore::caching;
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class CachingBlockStoreTest: public Test {
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public:
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CachingBlockStoreTest():
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baseBlockStore(new FakeBlockStore),
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blockStore(std::move(cpputils::nullcheck(std::unique_ptr<FakeBlockStore>(baseBlockStore)).value())) {
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}
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FakeBlockStore *baseBlockStore;
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CachingBlockStore blockStore;
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blockstore::Key CreateBlockReturnKey(const Data &initData) {
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auto block = blockStore.create(initData);
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block->flush();
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return block->key();
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}
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};
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TEST_F(CachingBlockStoreTest, PhysicalBlockSize_zerophysical) {
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(0));
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}
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TEST_F(CachingBlockStoreTest, PhysicalBlockSize_zerovirtual) {
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auto key = CreateBlockReturnKey(Data(0));
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auto base = baseBlockStore->load(key).value();
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(base->size()));
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}
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TEST_F(CachingBlockStoreTest, PhysicalBlockSize_negativeboundaries) {
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// This tests that a potential if/else in blockSizeFromPhysicalBlockSize that catches negative values has the
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// correct boundary set. We test the highest value that is negative and the smallest value that is positive.
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auto physicalSizeForVirtualSizeZero = baseBlockStore->load(CreateBlockReturnKey(Data(0))).value()->size();
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if (physicalSizeForVirtualSizeZero > 0) {
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero - 1));
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}
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero));
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EXPECT_EQ(1u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero + 1));
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}
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TEST_F(CachingBlockStoreTest, PhysicalBlockSize_positive) {
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auto key = CreateBlockReturnKey(Data(10*1024));
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auto base = baseBlockStore->load(key).value();
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EXPECT_EQ(10*1024u, blockStore.blockSizeFromPhysicalBlockSize(base->size()));
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}
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