zircon/system/ulib/zbitl/test/vmo-tests.cc - fuchsia - Git at Google

 // Copyright 2020 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 "vmo-tests.h"

 #include <lib/zbitl/error_string.h>

 #include <algorithm>

 namespace {

 // Convert a zbi_header_t into a std::tuple.
 //
 // The tuple form allows easy comparison of the fields for tests.
 auto HeaderToTuple(const zbi_header_t& header) {
   return std::make_tuple(header.type, header.length, header.extra, header.flags, header.reserved0,
                          header.reserved1, header.magic, header.crc32);
 }

 void ExpectVmoIsCloned(const zx::vmo& vmo, const zx::vmo& parent) {
   zx_info_vmo_t info, parent_info;
   ASSERT_EQ(ZX_OK,
             parent.get_info(ZX_INFO_VMO, &parent_info, sizeof(parent_info), nullptr, nullptr));
   ASSERT_EQ(ZX_OK, vmo.get_info(ZX_INFO_VMO, &info, sizeof(info), nullptr, nullptr));
   EXPECT_EQ(parent_info.koid, info.parent_koid);
   EXPECT_TRUE(info.flags & ZX_INFO_VMO_IS_COW_CLONE) << "flags: 0x" << std::hex << info.flags;
 }

 void ExpectVmoIsNotCloned(const zx::vmo& vmo) {
   zx_info_vmo_t info;
   ASSERT_EQ(ZX_OK, vmo.get_info(ZX_INFO_VMO, &info, sizeof(info), nullptr, nullptr));
   EXPECT_EQ(0u, info.parent_koid);
   EXPECT_FALSE(info.flags & ZX_INFO_VMO_IS_COW_CLONE) << "flags: 0x" << std::hex << info.flags;
 }

 template <typename TestTraits>
 void TestCloning() {
   using CreationTestTraits = typename TestTraits::creation_traits;

   files::ScopedTempDir dir;

   // kSecondItemOnPageBoundary.
   {
     fbl::unique_fd fd;
     size_t size = 0;
     ASSERT_NO_FATAL_FAILURE(
         OpenTestDataZbi(TestDataZbiType::kSecondItemOnPageBoundary, dir.path(), &fd, &size));

     typename TestTraits::Context context;
     ASSERT_NO_FATAL_FAILURE(TestTraits::Create(std::move(fd), size, &context));
     zbitl::View view(context.TakeStorage());

     // kSecondItemOnPageBoundary, copying the first item.
     // item offset == sizeof(zbi_header_t), and so we expect a clone without a
     // discard item.
     {
       auto first = view.begin();
       EXPECT_EQ(sizeof(zbi_header_t), first.item_offset());
       auto copy_result = view.Copy(first, std::next(first));
       ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

       auto created = std::move(copy_result).value();
       const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
       const zx::vmo& parent = TestTraits::GetVmo(view.storage());  // Well, would-be parent.
       ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

       zbitl::View created_view(std::move(created));
       auto created_first = created_view.begin();
       EXPECT_EQ(created_view.end(), std::next(created_first));  // Should only have one item.

       // CRC-checking and header checking is sufficient to determine
       // byte-for-byte equality.
       auto crc_result = created_view.CheckCrc32(created_first);
       ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
       EXPECT_TRUE(crc_result.value());

       zbi_header_t src_header = *((*first).header);
       zbi_header_t dest_header = *((*created_first).header);
       EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

       auto result = created_view.take_error();
       EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
     }

     // kSecondItemOnPageBoundary, copying the second item.
     // item offset % ZX_PAGE_SIZE == 0, and so we do not expect a clone.
     {
       auto second = std::next(view.begin());
       EXPECT_EQ(0u, second.item_offset() % ZX_PAGE_SIZE);
       auto copy_result = view.Copy(second, std::next(second));
       ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

       auto created = std::move(copy_result).value();
       const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
       ASSERT_NO_FATAL_FAILURE(ExpectVmoIsNotCloned(vmo));

       zbitl::View created_view(std::move(created));
       auto created_first = created_view.begin();
       EXPECT_EQ(created_view.end(), std::next(created_first));  // Should only have one item.

       // CRC-checking and header checking is sufficient to determine
       // byte-for-byte equality.
       auto crc_result = created_view.CheckCrc32(created_first);
       ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
       EXPECT_TRUE(crc_result.value());

       zbi_header_t src_header = *((*second).header);
       zbi_header_t dest_header = *((*created_first).header);
       EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

       auto result = created_view.take_error();
       ASSERT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
     }

     auto result = view.take_error();
     EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
   }

   // kMultipleSmallItems
   {
     fbl::unique_fd fd;
     size_t size = 0;
     ASSERT_NO_FATAL_FAILURE(
         OpenTestDataZbi(TestDataZbiType::kMultipleSmallItems, dir.path(), &fd, &size));

     typename TestTraits::Context context;
     ASSERT_NO_FATAL_FAILURE(TestTraits::Create(std::move(fd), size, &context));
     zbitl::View view(context.TakeStorage());

     // kMultipleSmallItems, copying the first item.
     // item offset  == sizeof(zbi_header_t), and so we expect a clone without a
     // discard item.
     {
       auto first = view.begin();
       EXPECT_EQ(sizeof(zbi_header_t), first.item_offset());
       auto copy_result = view.Copy(first, std::next(first));
       ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

       auto created = std::move(copy_result).value();
       const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
       const zx::vmo& parent = TestTraits::GetVmo(view.storage());  // Well, would-be parent.
       ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

       zbitl::View created_view(std::move(created));
       auto created_first = created_view.begin();
       EXPECT_EQ(created_view.end(), std::next(created_first));  // Should only have one item.

       // CRC-checking and header checking is sufficient to determine
       // byte-for-byte equality.
       auto crc_result = created_view.CheckCrc32(created_first);
       ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
       EXPECT_TRUE(crc_result.value());

       zbi_header_t src_header = *((*first).header);
       zbi_header_t dest_header = *((*created_first).header);
       EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

       auto result = created_view.take_error();
       EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
     }

     // kMultipleSmallItems, copying the second item.
     // 2 * sizeof(zbi_header_t) <= item offset < ZX_PAGE_SIZE, and so we expect
     // a clone with a single discard item.
     {
       constexpr uint32_t kSecondItemSize = 240;
       auto second = std::next(view.begin());
       EXPECT_EQ(kSecondItemSize, second.item_offset());
       auto copy_result = view.Copy(second, std::next(second));
       ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

       auto created = std::move(copy_result).value();
       const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
       const zx::vmo& parent = TestTraits::GetVmo(view.storage());  // Well, would-be parent.
       ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

       zbitl::View created_view(std::move(created));
       auto created_first = created_view.begin();
       auto created_second = std::next(created_first);
       EXPECT_EQ(created_view.end(), std::next(created_second));  // Should have two items.

       // CRC-checking and header checking is sufficient to determine
       // byte-for-byte equality.
       {
         auto result = created_view.CheckCrc32(created_first);
         ASSERT_FALSE(result.is_error()) << zbitl::ViewErrorString(result.error_value());
         EXPECT_TRUE(result.value());
       }
       {
         auto result = created_view.CheckCrc32(created_second);
         ASSERT_FALSE(result.is_error()) << zbitl::ViewErrorString(result.error_value());
         EXPECT_TRUE(result.value());
       }

       zbi_header_t src_header = *((*second).header);
       zbi_header_t dest1_header = *((*created_first).header);
       uint64_t dest1_payload = (*created_first).payload;
       zbi_header_t dest2_header = *((*created_second).header);

       EXPECT_EQ(static_cast<uint32_t>(ZBI_TYPE_DISCARD), dest1_header.type);
       constexpr uint32_t kExpectedDiscardSize = kSecondItemSize - 2 * sizeof(zbi_header_t);
       ASSERT_EQ(kExpectedDiscardSize, dest1_header.length);
       Bytes contents;
       ASSERT_NO_FATAL_FAILURE(CreationTestTraits::Read(created_view.storage(), dest1_payload,
                                                        kExpectedDiscardSize, &contents));
       EXPECT_EQ(kExpectedDiscardSize, contents.size());
       EXPECT_TRUE(
           std::all_of(contents.begin(), contents.end(), [](char c) -> bool { return c == 0; }));

       EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest2_header));

       auto result = created_view.take_error();
       ASSERT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
     }

     auto result = view.take_error();
     EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
   }
 }

 TEST(ZbitlViewVmoTests, DefaultConstructed) {
   ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<VmoTestTraits>());
 }

 TEST(ZbitlViewVmoTests, Cloning) { ASSERT_NO_FATAL_FAILURE(TestCloning<VmoTestTraits>()); }

 TEST_ITERATION(ZbitlViewVmoTests, VmoTestTraits)

 TEST_MUTATION(ZbitlViewVmoTests, VmoTestTraits)

 TEST_COPY_CREATION(ZbitlViewVmoTests, VmoTestTraits)

 TEST(ZbitlImageVmoTests, Appending) { ASSERT_NO_FATAL_FAILURE(TestAppending<VmoTestTraits>()); }

 TEST(ZbitlViewUnownedVmoTests, DefaultConstructed) {
   ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<UnownedVmoTestTraits>());
 }

 TEST(ZbitlViewUnownedVmoTests, Cloning) {
   ASSERT_NO_FATAL_FAILURE(TestCloning<UnownedVmoTestTraits>());
 }

 TEST_ITERATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

 TEST_MUTATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

 TEST_COPY_CREATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

 TEST(ZbitlImageUnownedVmoTests, Appending) {
   ASSERT_NO_FATAL_FAILURE(TestAppending<UnownedVmoTestTraits>());
 }

 TEST(ZbitlViewMapUnownedVmoTests, DefaultConstructed) {
   ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<MapUnownedVmoTestTraits>());
 }

 TEST(ZbitlViewMapUnownedVmoTests, Cloning) {
   ASSERT_NO_FATAL_FAILURE(TestCloning<MapUnownedVmoTestTraits>());
 }

 // Note that the iterations over many-small-items.zbi and
 // second-item-on-page-boundary.zbi with CRC32 checking will cover the cases of
 // mapping window re-use and replacement, respectively.
 TEST_ITERATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

 TEST_MUTATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

 TEST_COPY_CREATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

 TEST(ZbitlImageMapUnownedVmoTests, Appending) {
   ASSERT_NO_FATAL_FAILURE(TestAppending<MapUnownedVmoTestTraits>());
 }

 TEST(ZbitlViewMapOwnedVmoTests, DefaultConstructed) {
   ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<MapOwnedVmoTestTraits>());
 }

 TEST(ZbitlViewMapOwnedVmoTests, Cloning) {
   ASSERT_NO_FATAL_FAILURE(TestCloning<MapOwnedVmoTestTraits>());
 }

 TEST_ITERATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

 TEST_MUTATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

 TEST_COPY_CREATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

 TEST(ZbitlImageMapOwnedVmoTests, Appending) {
   ASSERT_NO_FATAL_FAILURE(TestAppending<MapOwnedVmoTestTraits>());
 }

 }  // namespace
	// Copyright 2020 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 "vmo-tests.h"

	#include <lib/zbitl/error_string.h>

	#include <algorithm>

	namespace {

	// Convert a zbi_header_t into a std::tuple.
	//
	// The tuple form allows easy comparison of the fields for tests.
	auto HeaderToTuple(const zbi_header_t& header) {
	return std::make_tuple(header.type, header.length, header.extra, header.flags, header.reserved0,
	header.reserved1, header.magic, header.crc32);
	}

	void ExpectVmoIsCloned(const zx::vmo& vmo, const zx::vmo& parent) {
	zx_info_vmo_t info, parent_info;
	ASSERT_EQ(ZX_OK,
	parent.get_info(ZX_INFO_VMO, &parent_info, sizeof(parent_info), nullptr, nullptr));
	ASSERT_EQ(ZX_OK, vmo.get_info(ZX_INFO_VMO, &info, sizeof(info), nullptr, nullptr));
	EXPECT_EQ(parent_info.koid, info.parent_koid);
	EXPECT_TRUE(info.flags & ZX_INFO_VMO_IS_COW_CLONE) << "flags: 0x" << std::hex << info.flags;
	}

	void ExpectVmoIsNotCloned(const zx::vmo& vmo) {
	zx_info_vmo_t info;
	ASSERT_EQ(ZX_OK, vmo.get_info(ZX_INFO_VMO, &info, sizeof(info), nullptr, nullptr));
	EXPECT_EQ(0u, info.parent_koid);
	EXPECT_FALSE(info.flags & ZX_INFO_VMO_IS_COW_CLONE) << "flags: 0x" << std::hex << info.flags;
	}

	template <typename TestTraits>
	void TestCloning() {
	using CreationTestTraits = typename TestTraits::creation_traits;

	files::ScopedTempDir dir;

	// kSecondItemOnPageBoundary.
	{
	fbl::unique_fd fd;
	size_t size = 0;
	ASSERT_NO_FATAL_FAILURE(
	OpenTestDataZbi(TestDataZbiType::kSecondItemOnPageBoundary, dir.path(), &fd, &size));

	typename TestTraits::Context context;
	ASSERT_NO_FATAL_FAILURE(TestTraits::Create(std::move(fd), size, &context));
	zbitl::View view(context.TakeStorage());

	// kSecondItemOnPageBoundary, copying the first item.
	// item offset == sizeof(zbi_header_t), and so we expect a clone without a
	// discard item.
	{
	auto first = view.begin();
	EXPECT_EQ(sizeof(zbi_header_t), first.item_offset());
	auto copy_result = view.Copy(first, std::next(first));
	ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

	auto created = std::move(copy_result).value();
	const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
	const zx::vmo& parent = TestTraits::GetVmo(view.storage()); // Well, would-be parent.
	ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

	zbitl::View created_view(std::move(created));
	auto created_first = created_view.begin();
	EXPECT_EQ(created_view.end(), std::next(created_first)); // Should only have one item.

	// CRC-checking and header checking is sufficient to determine
	// byte-for-byte equality.
	auto crc_result = created_view.CheckCrc32(created_first);
	ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
	EXPECT_TRUE(crc_result.value());

	zbi_header_t src_header = ((first).header);
	zbi_header_t dest_header = ((created_first).header);
	EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

	auto result = created_view.take_error();
	EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}

	// kSecondItemOnPageBoundary, copying the second item.
	// item offset % ZX_PAGE_SIZE == 0, and so we do not expect a clone.
	{
	auto second = std::next(view.begin());
	EXPECT_EQ(0u, second.item_offset() % ZX_PAGE_SIZE);
	auto copy_result = view.Copy(second, std::next(second));
	ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

	auto created = std::move(copy_result).value();
	const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
	ASSERT_NO_FATAL_FAILURE(ExpectVmoIsNotCloned(vmo));

	zbitl::View created_view(std::move(created));
	auto created_first = created_view.begin();
	EXPECT_EQ(created_view.end(), std::next(created_first)); // Should only have one item.

	// CRC-checking and header checking is sufficient to determine
	// byte-for-byte equality.
	auto crc_result = created_view.CheckCrc32(created_first);
	ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
	EXPECT_TRUE(crc_result.value());

	zbi_header_t src_header = ((second).header);
	zbi_header_t dest_header = ((created_first).header);
	EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

	auto result = created_view.take_error();
	ASSERT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}

	auto result = view.take_error();
	EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}

	// kMultipleSmallItems
	{
	fbl::unique_fd fd;
	size_t size = 0;
	ASSERT_NO_FATAL_FAILURE(
	OpenTestDataZbi(TestDataZbiType::kMultipleSmallItems, dir.path(), &fd, &size));

	typename TestTraits::Context context;
	ASSERT_NO_FATAL_FAILURE(TestTraits::Create(std::move(fd), size, &context));
	zbitl::View view(context.TakeStorage());

	// kMultipleSmallItems, copying the first item.
	// item offset == sizeof(zbi_header_t), and so we expect a clone without a
	// discard item.
	{
	auto first = view.begin();
	EXPECT_EQ(sizeof(zbi_header_t), first.item_offset());
	auto copy_result = view.Copy(first, std::next(first));
	ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

	auto created = std::move(copy_result).value();
	const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
	const zx::vmo& parent = TestTraits::GetVmo(view.storage()); // Well, would-be parent.
	ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

	zbitl::View created_view(std::move(created));
	auto created_first = created_view.begin();
	EXPECT_EQ(created_view.end(), std::next(created_first)); // Should only have one item.

	// CRC-checking and header checking is sufficient to determine
	// byte-for-byte equality.
	auto crc_result = created_view.CheckCrc32(created_first);
	ASSERT_FALSE(crc_result.is_error()) << zbitl::ViewErrorString(crc_result.error_value());
	EXPECT_TRUE(crc_result.value());

	zbi_header_t src_header = ((first).header);
	zbi_header_t dest_header = ((created_first).header);
	EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest_header));

	auto result = created_view.take_error();
	EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}

	// kMultipleSmallItems, copying the second item.
	// 2 * sizeof(zbi_header_t) <= item offset < ZX_PAGE_SIZE, and so we expect
	// a clone with a single discard item.
	{
	constexpr uint32_t kSecondItemSize = 240;
	auto second = std::next(view.begin());
	EXPECT_EQ(kSecondItemSize, second.item_offset());
	auto copy_result = view.Copy(second, std::next(second));
	ASSERT_FALSE(copy_result.is_error()) << ViewCopyErrorString(copy_result.error_value());

	auto created = std::move(copy_result).value();
	const zx::vmo& vmo = CreationTestTraits::GetVmo(created);
	const zx::vmo& parent = TestTraits::GetVmo(view.storage()); // Well, would-be parent.
	ASSERT_NO_FATAL_FAILURE(ExpectVmoIsCloned(vmo, parent));

	zbitl::View created_view(std::move(created));
	auto created_first = created_view.begin();
	auto created_second = std::next(created_first);
	EXPECT_EQ(created_view.end(), std::next(created_second)); // Should have two items.

	// CRC-checking and header checking is sufficient to determine
	// byte-for-byte equality.
	{
	auto result = created_view.CheckCrc32(created_first);
	ASSERT_FALSE(result.is_error()) << zbitl::ViewErrorString(result.error_value());
	EXPECT_TRUE(result.value());
	}
	{
	auto result = created_view.CheckCrc32(created_second);
	ASSERT_FALSE(result.is_error()) << zbitl::ViewErrorString(result.error_value());
	EXPECT_TRUE(result.value());
	}

	zbi_header_t src_header = ((second).header);
	zbi_header_t dest1_header = ((created_first).header);
	uint64_t dest1_payload = (*created_first).payload;
	zbi_header_t dest2_header = ((created_second).header);

	EXPECT_EQ(static_cast<uint32_t>(ZBI_TYPE_DISCARD), dest1_header.type);
	constexpr uint32_t kExpectedDiscardSize = kSecondItemSize - 2 * sizeof(zbi_header_t);
	ASSERT_EQ(kExpectedDiscardSize, dest1_header.length);
	Bytes contents;
	ASSERT_NO_FATAL_FAILURE(CreationTestTraits::Read(created_view.storage(), dest1_payload,
	kExpectedDiscardSize, &contents));
	EXPECT_EQ(kExpectedDiscardSize, contents.size());
	EXPECT_TRUE(
	std::all_of(contents.begin(), contents.end(), [](char c) -> bool { return c == 0; }));

	EXPECT_EQ(HeaderToTuple(src_header), HeaderToTuple(dest2_header));

	auto result = created_view.take_error();
	ASSERT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}

	auto result = view.take_error();
	EXPECT_FALSE(result.is_error()) << ViewErrorString(result.error_value());
	}
	}

	TEST(ZbitlViewVmoTests, DefaultConstructed) {
	ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<VmoTestTraits>());
	}

	TEST(ZbitlViewVmoTests, Cloning) { ASSERT_NO_FATAL_FAILURE(TestCloning<VmoTestTraits>()); }

	TEST_ITERATION(ZbitlViewVmoTests, VmoTestTraits)

	TEST_MUTATION(ZbitlViewVmoTests, VmoTestTraits)

	TEST_COPY_CREATION(ZbitlViewVmoTests, VmoTestTraits)

	TEST(ZbitlImageVmoTests, Appending) { ASSERT_NO_FATAL_FAILURE(TestAppending<VmoTestTraits>()); }

	TEST(ZbitlViewUnownedVmoTests, DefaultConstructed) {
	ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<UnownedVmoTestTraits>());
	}

	TEST(ZbitlViewUnownedVmoTests, Cloning) {
	ASSERT_NO_FATAL_FAILURE(TestCloning<UnownedVmoTestTraits>());
	}

	TEST_ITERATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

	TEST_MUTATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

	TEST_COPY_CREATION(ZbitlViewUnownedVmoTests, UnownedVmoTestTraits)

	TEST(ZbitlImageUnownedVmoTests, Appending) {
	ASSERT_NO_FATAL_FAILURE(TestAppending<UnownedVmoTestTraits>());
	}

	TEST(ZbitlViewMapUnownedVmoTests, DefaultConstructed) {
	ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<MapUnownedVmoTestTraits>());
	}

	TEST(ZbitlViewMapUnownedVmoTests, Cloning) {
	ASSERT_NO_FATAL_FAILURE(TestCloning<MapUnownedVmoTestTraits>());
	}

	// Note that the iterations over many-small-items.zbi and
	// second-item-on-page-boundary.zbi with CRC32 checking will cover the cases of
	// mapping window re-use and replacement, respectively.
	TEST_ITERATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

	TEST_MUTATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

	TEST_COPY_CREATION(ZbitlViewMapUnownedVmoTests, MapUnownedVmoTestTraits)

	TEST(ZbitlImageMapUnownedVmoTests, Appending) {
	ASSERT_NO_FATAL_FAILURE(TestAppending<MapUnownedVmoTestTraits>());
	}

	TEST(ZbitlViewMapOwnedVmoTests, DefaultConstructed) {
	ASSERT_NO_FATAL_FAILURE(TestDefaultConstructedView<MapOwnedVmoTestTraits>());
	}

	TEST(ZbitlViewMapOwnedVmoTests, Cloning) {
	ASSERT_NO_FATAL_FAILURE(TestCloning<MapOwnedVmoTestTraits>());
	}

	TEST_ITERATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

	TEST_MUTATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

	TEST_COPY_CREATION(ZbitlViewMapOwnedVmoTests, MapOwnedVmoTestTraits)

	TEST(ZbitlImageMapOwnedVmoTests, Appending) {
	ASSERT_NO_FATAL_FAILURE(TestAppending<MapOwnedVmoTestTraits>());
	}

	} // namespace