| // Copyright 2018 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 <lib/zx/channel.h> |
| #include <lib/zx/vmo.h> |
| #include <lib/zxio/inception.h> |
| #include <lib/zxio/zxio.h> |
| |
| #include <zxtest/zxtest.h> |
| |
| constexpr const char* ALPHABET = "abcdefghijklmnopqrstuvwxyz"; |
| |
| class VmoFileNonZeroOffsetTest : public zxtest::Test { |
| public: |
| void SetUp() override { |
| ASSERT_OK(zx::vmo::create(300u, 0u, &backing)); |
| ASSERT_OK(backing.write(ALPHABET, 0, len)); |
| ASSERT_OK(backing.write(ALPHABET, len, len + len)); |
| ASSERT_OK(zx::channel::create(0u, &h1, &h2)); |
| |
| ASSERT_OK(zxio_vmofile_init(&storage, ::llcpp::fuchsia::io::File::SyncClient(std::move(h1)), |
| std::move(backing), /* offset */ 4, /* length */ len, |
| /* seek */ 3)); |
| io = &storage.io; |
| } |
| |
| void TearDown() override { |
| h2.reset(); |
| ASSERT_STATUS(ZX_ERR_PEER_CLOSED, zxio_close(io)); |
| } |
| |
| protected: |
| zx::vmo backing; |
| size_t len = strlen(ALPHABET); |
| zx::channel h1; |
| zx::channel h2; |
| zxio_storage_t storage; |
| zxio_t* io; |
| }; |
| |
| TEST_F(VmoFileNonZeroOffsetTest, Basic) { |
| zxio_signals_t observed = ZXIO_SIGNAL_NONE; |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, |
| zxio_wait_one(io, ZXIO_SIGNAL_READABLE, ZX_TIME_INFINITE, &observed)); |
| |
| zx::channel clone; |
| ASSERT_OK(zxio_clone(io, clone.reset_and_get_address())); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_sync(io)); |
| |
| zxio_node_attributes_t attr = {}; |
| ASSERT_OK(zxio_attr_get(io, &attr)); |
| EXPECT_EQ(len, attr.content_size); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_attr_set(io, &attr)); |
| |
| char buffer[1024]; |
| memset(buffer, 0, sizeof(buffer)); |
| size_t actual = 0u; |
| ASSERT_OK(zxio_read(io, buffer, 8, 0, &actual)); |
| EXPECT_EQ(actual, 8); |
| EXPECT_STR_EQ("hijklmno", buffer); |
| memset(buffer, 0, sizeof(buffer)); |
| actual = 0u; |
| ASSERT_OK(zxio_read_at(io, 1u, buffer, 6, 0, &actual)); |
| EXPECT_EQ(actual, 6); |
| EXPECT_STR_EQ("fghijk", buffer); |
| ASSERT_STATUS(ZX_ERR_WRONG_TYPE, zxio_write(io, buffer, sizeof(buffer), 0, &actual)); |
| ASSERT_STATUS(ZX_ERR_WRONG_TYPE, zxio_write_at(io, 0u, buffer, sizeof(buffer), 0, &actual)); |
| size_t offset = 2u; |
| ASSERT_OK(zxio_seek(io, ZXIO_SEEK_ORIGIN_START, 2, &offset)); |
| EXPECT_EQ(offset, 2u); |
| memset(buffer, 0, sizeof(buffer)); |
| actual = 0u; |
| ASSERT_OK(zxio_read(io, buffer, 3, 0, &actual)); |
| EXPECT_STR_EQ("ghi", buffer); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_truncate(io, 0u)); |
| uint32_t flags = 0u; |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_flags_get(io, &flags)); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_flags_set(io, flags)); |
| |
| zxio_t* result = nullptr; |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_open(io, 0u, 0u, "hello", &result)); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, |
| zxio_open_async(io, 0u, 0u, "hello", strlen("hello"), ZX_HANDLE_INVALID)); |
| ASSERT_STATUS(ZX_ERR_NOT_SUPPORTED, zxio_unlink(io, "hello")); |
| } |
| |
| TEST_F(VmoFileNonZeroOffsetTest, GetCopy) { |
| zx::vmo vmo; |
| size_t size = 0u; |
| ASSERT_OK(zxio_vmo_get_copy(io, vmo.reset_and_get_address(), &size)); |
| EXPECT_NE(vmo, ZX_HANDLE_INVALID); |
| EXPECT_EQ(size, len); |
| } |
| |
| TEST_F(VmoFileNonZeroOffsetTest, GetClone) { |
| zx::vmo vmo; |
| size_t size = 0u; |
| // Not found because this vmo-file has a non-zero starting offset. |
| ASSERT_STATUS(ZX_ERR_NOT_FOUND, zxio_vmo_get_clone(io, vmo.reset_and_get_address(), &size)); |
| EXPECT_EQ(vmo, ZX_HANDLE_INVALID); |
| } |
| |
| TEST_F(VmoFileNonZeroOffsetTest, GetExact) { |
| zx::vmo vmo; |
| size_t size = 0u; |
| // Not found because this vmo-file has a non-zero starting offset. |
| ASSERT_STATUS(ZX_ERR_NOT_FOUND, zxio_vmo_get_exact(io, vmo.reset_and_get_address(), &size)); |
| } |
| |
| TEST(VmoFileTest, GetExact) { |
| zx::vmo backing; |
| ASSERT_OK(zx::vmo::create(300u, 0u, &backing)); |
| size_t len = strlen(ALPHABET); |
| ASSERT_OK(backing.write(ALPHABET, 0, len)); |
| ASSERT_OK(backing.write(ALPHABET, len, len + len)); |
| |
| zx::channel h1, h2; |
| ASSERT_OK(zx::channel::create(0u, &h1, &h2)); |
| |
| zxio_storage_t storage; |
| ASSERT_OK(zxio_vmofile_init(&storage, ::llcpp::fuchsia::io::File::SyncClient(std::move(h1)), |
| std::move(backing), /* offset */ 0, /* length */ len, /* seek */ 3)); |
| zxio_t* io = &storage.io; |
| |
| zx::vmo vmo; |
| size_t size = 0u; |
| ASSERT_OK(zxio_vmo_get_exact(io, vmo.reset_and_get_address(), &size)); |
| EXPECT_NE(vmo, ZX_HANDLE_INVALID); |
| uint8_t dest[4]; |
| ASSERT_OK(vmo.read(dest, 0, 4)); |
| ASSERT_BYTES_EQ(ALPHABET, dest, 4); |
| |
| h2.reset(); |
| ASSERT_STATUS(ZX_ERR_PEER_CLOSED, zxio_close(io)); |
| } |