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// Copyright 2020 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "pw_kvs/internal/sectors.h"
#include "gtest/gtest.h"
#include "pw_kvs/fake_flash_memory.h"
namespace pw::kvs::internal {
namespace {
class SectorsTest : public ::testing::Test {
protected:
SectorsTest()
: partition_(&flash_),
sectors_(sector_descriptors_, partition_, nullptr) {
EXPECT_EQ(0u, sectors_.size());
sectors_.Reset();
}
FakeFlashMemoryBuffer<128, 16> flash_;
FlashPartition partition_;
Vector<SectorDescriptor, 32> sector_descriptors_;
Sectors sectors_;
};
TEST_F(SectorsTest, Reset) {
// Reset is done by the fixture.
EXPECT_EQ(partition_.sector_count(), sectors_.size());
EXPECT_EQ(32u, sectors_.max_size());
EXPECT_EQ(sectors_.begin(), sectors_.last_new());
}
TEST_F(SectorsTest, LastNew) {
sectors_.set_last_new_sector(130);
EXPECT_EQ(128u, sectors_.BaseAddress(*sectors_.last_new()));
}
TEST_F(SectorsTest, AddressInSector) {
SectorDescriptor& sector = sectors_.FromAddress(128);
EXPECT_FALSE(sectors_.AddressInSector(sector, 127));
for (size_t address = 128; address < 256; ++address) {
EXPECT_TRUE(sectors_.AddressInSector(sector, address));
}
EXPECT_FALSE(sectors_.AddressInSector(sector, 256));
EXPECT_FALSE(sectors_.AddressInSector(sector, 1025));
}
TEST_F(SectorsTest, BaseAddressAndFromAddress) {
for (size_t address = 0; address < 128; ++address) {
EXPECT_EQ(0u, sectors_.BaseAddress(sectors_.FromAddress(address)));
}
for (size_t address = 128; address < 256; ++address) {
EXPECT_EQ(128u, sectors_.BaseAddress(sectors_.FromAddress(address)));
}
for (size_t address = 256; address < 384; ++address) {
EXPECT_EQ(256u, sectors_.BaseAddress(sectors_.FromAddress(address)));
}
}
TEST_F(SectorsTest, NextWritableAddress_EmptySector) {
EXPECT_EQ(0u, sectors_.NextWritableAddress(*sectors_.begin()));
}
TEST_F(SectorsTest, NextWritableAddress_PartiallyWrittenSector) {
sectors_.begin()->RemoveWritableBytes(123);
EXPECT_EQ(123u, sectors_.NextWritableAddress(*sectors_.begin()));
}
// TODO: Add tests for FindSpace, FindSpaceDuringGarbageCollection, and
// FindSectorToGarbageCollect.
} // namespace
} // namespace pw::kvs::internal
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