Wyatt Hepler | c84393f | 2020-03-20 11:23:24 -0700 | [diff] [blame] | 1 | // Copyright 2020 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
| 15 | #include "pw_kvs/internal/sectors.h" |
| 16 | |
| 17 | #include "gtest/gtest.h" |
David Rogers | d64cc01 | 2020-05-26 12:37:37 -0700 | [diff] [blame] | 18 | #include "pw_kvs/fake_flash_memory.h" |
Wyatt Hepler | c84393f | 2020-03-20 11:23:24 -0700 | [diff] [blame] | 19 | |
| 20 | namespace pw::kvs::internal { |
| 21 | namespace { |
| 22 | |
| 23 | class SectorsTest : public ::testing::Test { |
| 24 | protected: |
| 25 | SectorsTest() |
| 26 | : partition_(&flash_), |
David Rogers | f490a08 | 2020-07-14 15:28:11 -0700 | [diff] [blame] | 27 | sectors_(sector_descriptors_, partition_, nullptr) { |
| 28 | EXPECT_EQ(0u, sectors_.size()); |
| 29 | sectors_.Reset(); |
| 30 | } |
Wyatt Hepler | c84393f | 2020-03-20 11:23:24 -0700 | [diff] [blame] | 31 | |
David Rogers | d64cc01 | 2020-05-26 12:37:37 -0700 | [diff] [blame] | 32 | FakeFlashMemoryBuffer<128, 16> flash_; |
Wyatt Hepler | c84393f | 2020-03-20 11:23:24 -0700 | [diff] [blame] | 33 | FlashPartition partition_; |
| 34 | Vector<SectorDescriptor, 32> sector_descriptors_; |
| 35 | Sectors sectors_; |
| 36 | }; |
| 37 | |
| 38 | TEST_F(SectorsTest, Reset) { |
David Rogers | f490a08 | 2020-07-14 15:28:11 -0700 | [diff] [blame] | 39 | // Reset is done by the fixture. |
Wyatt Hepler | c84393f | 2020-03-20 11:23:24 -0700 | [diff] [blame] | 40 | EXPECT_EQ(partition_.sector_count(), sectors_.size()); |
| 41 | EXPECT_EQ(32u, sectors_.max_size()); |
| 42 | EXPECT_EQ(sectors_.begin(), sectors_.last_new()); |
| 43 | } |
| 44 | |
| 45 | TEST_F(SectorsTest, LastNew) { |
| 46 | sectors_.set_last_new_sector(130); |
| 47 | EXPECT_EQ(128u, sectors_.BaseAddress(*sectors_.last_new())); |
| 48 | } |
| 49 | |
| 50 | TEST_F(SectorsTest, AddressInSector) { |
| 51 | SectorDescriptor& sector = sectors_.FromAddress(128); |
| 52 | |
| 53 | EXPECT_FALSE(sectors_.AddressInSector(sector, 127)); |
| 54 | for (size_t address = 128; address < 256; ++address) { |
| 55 | EXPECT_TRUE(sectors_.AddressInSector(sector, address)); |
| 56 | } |
| 57 | EXPECT_FALSE(sectors_.AddressInSector(sector, 256)); |
| 58 | EXPECT_FALSE(sectors_.AddressInSector(sector, 1025)); |
| 59 | } |
| 60 | |
| 61 | TEST_F(SectorsTest, BaseAddressAndFromAddress) { |
| 62 | for (size_t address = 0; address < 128; ++address) { |
| 63 | EXPECT_EQ(0u, sectors_.BaseAddress(sectors_.FromAddress(address))); |
| 64 | } |
| 65 | for (size_t address = 128; address < 256; ++address) { |
| 66 | EXPECT_EQ(128u, sectors_.BaseAddress(sectors_.FromAddress(address))); |
| 67 | } |
| 68 | for (size_t address = 256; address < 384; ++address) { |
| 69 | EXPECT_EQ(256u, sectors_.BaseAddress(sectors_.FromAddress(address))); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | TEST_F(SectorsTest, NextWritableAddress_EmptySector) { |
| 74 | EXPECT_EQ(0u, sectors_.NextWritableAddress(*sectors_.begin())); |
| 75 | } |
| 76 | |
| 77 | TEST_F(SectorsTest, NextWritableAddress_PartiallyWrittenSector) { |
| 78 | sectors_.begin()->RemoveWritableBytes(123); |
| 79 | EXPECT_EQ(123u, sectors_.NextWritableAddress(*sectors_.begin())); |
| 80 | } |
| 81 | |
| 82 | // TODO: Add tests for FindSpace, FindSpaceDuringGarbageCollection, and |
| 83 | // FindSectorToGarbageCollect. |
| 84 | |
| 85 | } // namespace |
| 86 | } // namespace pw::kvs::internal |