55 lines
2.2 KiB
C++
55 lines
2.2 KiB
C++
#include <gtest/gtest.h>
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#include "blockstore/implementations/caching/CachingBlockStore2.h"
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#include "blockstore/implementations/inmemory/InMemoryBlockStore2.h"
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using ::testing::Test;
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using cpputils::Data;
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using blockstore::inmemory::InMemoryBlockStore2;
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using namespace blockstore::caching;
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class CachingBlockStore2Test: public Test {
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public:
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CachingBlockStore2Test():
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baseBlockStore(new InMemoryBlockStore2),
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blockStore(std::move(cpputils::nullcheck(std::unique_ptr<InMemoryBlockStore2>(baseBlockStore)).value())) {
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}
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InMemoryBlockStore2 *baseBlockStore;
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CachingBlockStore2 blockStore;
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};
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TEST_F(CachingBlockStore2Test, PhysicalBlockSize_zerophysical) {
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(0));
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}
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TEST_F(CachingBlockStore2Test, PhysicalBlockSize_zerovirtual) {
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auto blockId = blockStore.create(Data(0));
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blockStore.flush();
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auto base = baseBlockStore->load(blockId).value();
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EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(base.size()));
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}
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TEST_F(CachingBlockStore2Test, 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 blockId = blockStore.create(Data(0));
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blockStore.flush();
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auto physicalSizeForVirtualSizeZero = baseBlockStore->load(blockId).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(CachingBlockStore2Test, PhysicalBlockSize_positive) {
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auto blockId = blockStore.create(Data(10*1024u));
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blockStore.flush();
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auto base = baseBlockStore->load(blockId).value();
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EXPECT_EQ(10*1024u, blockStore.blockSizeFromPhysicalBlockSize(base.size()));
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}
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// TODO Add test cases that flushing the block store doesn't destroy things (i.e. all test cases from BlockStoreTest, but with flushes inbetween)
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