| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/storage/volume_image/adapter/empty_partition.h" |
| |
| #include <limits> |
| |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include "src/storage/fvm/format.h" |
| #include "src/storage/fvm/fvm_sparse.h" |
| |
| namespace storage::volume_image { |
| namespace { |
| |
| TEST(EmptyPartitionTest, MissingOrZeroMaxBytesIsError) { |
| PartitionOptions partition_options; |
| FvmOptions fvm_options; |
| fvm_options.slice_size = 8192; |
| |
| ASSERT_TRUE(CreateEmptyFvmPartition(partition_options, fvm_options).is_error()); |
| |
| partition_options.max_bytes = 0; |
| ASSERT_TRUE(CreateEmptyFvmPartition(partition_options, fvm_options).is_error()); |
| } |
| |
| TEST(EmptyPartitionTest, ZeroSliceSizeIsError) { |
| PartitionOptions partition_options; |
| partition_options.max_bytes = 1; |
| FvmOptions fvm_options; |
| fvm_options.slice_size = 0; |
| |
| ASSERT_TRUE(CreateEmptyFvmPartition(partition_options, fvm_options).is_error()); |
| } |
| |
| TEST(EmptyPartitionTest, AllocatesSlicesToStoreMaxBytes) { |
| PartitionOptions partition_options; |
| partition_options.max_bytes = 8193; |
| FvmOptions fvm_options; |
| fvm_options.slice_size = 8192; |
| |
| auto res = CreateEmptyFvmPartition(partition_options, fvm_options); |
| ASSERT_TRUE(res.is_ok()); |
| |
| auto partition = res.take_value(); |
| |
| EXPECT_TRUE(partition.volume().name.empty()); |
| |
| ASSERT_EQ(partition.address().mappings.size(), 1u); |
| |
| const auto& mapping = partition.address().mappings.front(); |
| EXPECT_EQ(mapping.source, 0u); |
| EXPECT_EQ(mapping.target, 0u); |
| EXPECT_EQ(mapping.count, 0u); |
| EXPECT_EQ(mapping.size, partition_options.max_bytes.value()); |
| EXPECT_EQ(mapping.options.at(EnumAsString(AddressMapOption::kFill)), 0u); |
| EXPECT_TRUE(memcmp(partition.volume().instance.data(), fvm::kPlaceHolderInstanceGuid.data(), |
| fvm::kPlaceHolderInstanceGuid.size()) == 0); |
| } |
| |
| } // namespace |
| } // namespace storage::volume_image |