| // Copyright (c) 2012 The Chromium 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 <errno.h> |
| #include <fcntl.h> |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <sys/stat.h> |
| |
| #include <map> |
| #include <string> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| #include "mount_mock.h" |
| #include "mount_node_mock.h" |
| |
| #include "nacl_io/kernel_intercept.h" |
| #include "nacl_io/kernel_proxy.h" |
| #include "nacl_io/mount.h" |
| #include "nacl_io/mount_mem.h" |
| #include "nacl_io/osmman.h" |
| #include "nacl_io/path.h" |
| #include "nacl_io/typed_mount_factory.h" |
| |
| using namespace nacl_io; |
| using namespace sdk_util; |
| |
| using ::testing::_; |
| using ::testing::DoAll; |
| using ::testing::Invoke; |
| using ::testing::Return; |
| using ::testing::SaveArg; |
| using ::testing::SetArgPointee; |
| using ::testing::StrEq; |
| using ::testing::WithArgs; |
| |
| namespace { |
| |
| class KernelProxyFriend : public KernelProxy { |
| public: |
| Mount* RootMount() { |
| ScopedMount mnt; |
| Path path; |
| |
| AcquireMountAndRelPath("/", &mnt, &path); |
| return mnt.get(); |
| } |
| }; |
| |
| class KernelProxyTest : public ::testing::Test { |
| public: |
| KernelProxyTest() {} |
| |
| void SetUp() { |
| ki_init(&kp_); |
| // Unmount the passthrough FS and mount a memfs. |
| EXPECT_EQ(0, kp_.umount("/")); |
| EXPECT_EQ(0, kp_.mount("", "/", "memfs", 0, NULL)); |
| } |
| |
| void TearDown() { |
| ki_uninit(); |
| } |
| |
| protected: |
| KernelProxyFriend kp_; |
| }; |
| |
| } // namespace |
| |
| static int ki_fcntl_wrapper(int fd, int request, ...) { |
| va_list ap; |
| va_start(ap, request); |
| int rtn = ki_fcntl(fd, request, ap); |
| va_end(ap); |
| return rtn; |
| } |
| |
| /** |
| * Test for fcntl commands F_SETFD and F_GETFD. This |
| * is tested here rather than in the mount_node tests |
| * since the fd flags are not stored in the kernel_handle |
| * or the mount node but directly in the FD mapping. |
| */ |
| TEST_F(KernelProxyTest, Fcntl_GETFD) { |
| int fd = ki_open("/test", O_RDWR | O_CREAT); |
| ASSERT_NE(-1, fd); |
| |
| // FD flags should start as zero. |
| ASSERT_EQ(0, ki_fcntl_wrapper(fd, F_GETFD)); |
| |
| // Check that setting FD_CLOEXEC works |
| int flags = FD_CLOEXEC; |
| ASSERT_EQ(0, ki_fcntl_wrapper(fd, F_SETFD, flags)) |
| << "fcntl failed with: " << strerror(errno); |
| ASSERT_EQ(FD_CLOEXEC, ki_fcntl_wrapper(fd, F_GETFD)); |
| |
| // Check that setting invalid flag causes EINVAL |
| flags = FD_CLOEXEC + 1; |
| ASSERT_EQ(-1, ki_fcntl_wrapper(fd, F_SETFD, flags)); |
| ASSERT_EQ(EINVAL, errno); |
| } |
| |
| TEST_F(KernelProxyTest, FileLeak) { |
| const size_t buffer_size = 1024; |
| char filename[128]; |
| int garbage[buffer_size]; |
| |
| MountMem* mount = (MountMem*)kp_.RootMount(); |
| ScopedMountNode root; |
| |
| ASSERT_EQ(0, mount->Open(Path("/"), O_RDONLY, &root)); |
| ASSERT_EQ(0, root->ChildCount()); |
| |
| for (int file_num = 0; file_num < 4096; file_num++) { |
| sprintf(filename, "/foo%i.tmp", file_num++); |
| int fd = ki_open(filename, O_WRONLY | O_CREAT); |
| ASSERT_GT(fd, -1); |
| ASSERT_EQ(1, root->ChildCount()); |
| ASSERT_EQ(buffer_size, ki_write(fd, garbage, buffer_size)); |
| ki_close(fd); |
| ASSERT_EQ(0, ki_remove(filename)); |
| } |
| ASSERT_EQ(0, root->ChildCount()); |
| } |
| |
| static bool g_handler_called = false; |
| static void sighandler(int) { |
| g_handler_called = true; |
| } |
| |
| TEST_F(KernelProxyTest, Sigaction) { |
| struct sigaction action; |
| struct sigaction oaction; |
| memset(&action, 0, sizeof(action)); |
| |
| // Invalid signum |
| ASSERT_EQ(-1, ki_sigaction(-1, NULL, &oaction)); |
| ASSERT_EQ(-1, ki_sigaction(SIGSTOP, NULL, &oaction)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| // Get existing handler |
| memset(&oaction, 0, sizeof(oaction)); |
| ASSERT_EQ(0, ki_sigaction(SIGINT, NULL, &oaction)); |
| ASSERT_EQ(SIG_DFL, oaction.sa_handler); |
| |
| // Attempt to set handler for unsupported signum |
| action.sa_handler = sighandler; |
| ASSERT_EQ(-1, ki_sigaction(SIGINT, &action, NULL)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| // Attempt to set handler for supported signum |
| action.sa_handler = sighandler; |
| ASSERT_EQ(0, ki_sigaction(SIGWINCH, &action, NULL)); |
| |
| memset(&oaction, 0, sizeof(oaction)); |
| ASSERT_EQ(0, ki_sigaction(SIGWINCH, NULL, &oaction)); |
| ASSERT_EQ((sighandler_t*)sighandler, (sighandler_t*)oaction.sa_handler); |
| } |
| |
| TEST_F(KernelProxyTest, KillSignals) { |
| // SIGSEGV can't be sent via kill(2) |
| ASSERT_EQ(-1, ki_kill(0, SIGSEGV)) << "kill(SEGV) failed to return an error"; |
| ASSERT_EQ(EINVAL, errno) << "kill(SEGV) failed to set errno to EINVAL"; |
| |
| // Our implemenation should understand SIGWINCH |
| ASSERT_EQ(0, ki_kill(0, SIGWINCH)) << "kill(SIGWINCH) failed: " << errno; |
| |
| // And USR1/USR2 |
| ASSERT_EQ(0, ki_kill(0, SIGUSR1)) << "kill(SIGUSR1) failed: " << errno; |
| ASSERT_EQ(0, ki_kill(0, SIGUSR2)) << "kill(SIGUSR2) failed: " << errno; |
| } |
| |
| TEST_F(KernelProxyTest, KillPIDValues) { |
| // Any PID other than 0, -1 and getpid() should yield ESRCH |
| // since there is only one valid process under NaCl |
| int mypid = getpid(); |
| ASSERT_EQ(0, ki_kill(0, SIGWINCH)); |
| ASSERT_EQ(0, ki_kill(-1, SIGWINCH)); |
| ASSERT_EQ(0, ki_kill(mypid, SIGWINCH)); |
| |
| // Don't use mypid + 1 since getpid() actually returns -1 |
| // when the IRT interface is missing (e.g. within chrome), |
| // and 0 is always a valid PID when calling kill(). |
| int invalid_pid = mypid + 10; |
| ASSERT_EQ(-1, ki_kill(invalid_pid, SIGWINCH)); |
| ASSERT_EQ(ESRCH, errno); |
| } |
| |
| TEST_F(KernelProxyTest, SignalValues) { |
| ASSERT_EQ(ki_signal(SIGSEGV, sighandler), SIG_ERR) |
| << "registering SEGV handler didn't fail"; |
| ASSERT_EQ(errno, EINVAL) << "signal(SEGV) failed to set errno to EINVAL"; |
| |
| ASSERT_EQ(ki_signal(-1, sighandler), SIG_ERR) |
| << "registering handler for invalid signal didn't fail"; |
| ASSERT_EQ(errno, EINVAL) << "signal(-1) failed to set errno to EINVAL"; |
| } |
| |
| TEST_F(KernelProxyTest, SignalHandlerValues) { |
| // Unsupported signal. |
| ASSERT_NE(SIG_ERR, ki_signal(SIGSEGV, SIG_DFL)); |
| ASSERT_EQ(SIG_ERR, ki_signal(SIGSEGV, SIG_IGN)); |
| ASSERT_EQ(SIG_ERR, ki_signal(SIGSEGV, sighandler)); |
| |
| // Supported signal. |
| ASSERT_NE(SIG_ERR, ki_signal(SIGWINCH, SIG_DFL)); |
| ASSERT_NE(SIG_ERR, ki_signal(SIGWINCH, SIG_IGN)); |
| ASSERT_NE(SIG_ERR, ki_signal(SIGWINCH, sighandler)); |
| } |
| |
| TEST_F(KernelProxyTest, SignalSigwinch) { |
| g_handler_called = false; |
| |
| // Register WINCH handler |
| sighandler_t newsig = sighandler; |
| sighandler_t oldsig = ki_signal(SIGWINCH, newsig); |
| ASSERT_NE(oldsig, SIG_ERR); |
| |
| // Send signal. |
| ki_kill(0, SIGWINCH); |
| |
| // Verify that handler was called |
| EXPECT_TRUE(g_handler_called); |
| |
| // Restore existing handler |
| oldsig = ki_signal(SIGWINCH, oldsig); |
| |
| // Verify the our newsig was returned as previous handler |
| ASSERT_EQ(oldsig, newsig); |
| } |
| |
| TEST_F(KernelProxyTest, Rename) { |
| // Create a dummy file |
| int file1 = ki_open("/test1.txt", O_RDWR | O_CREAT); |
| ASSERT_GT(file1, -1); |
| ASSERT_EQ(0, ki_close(file1)); |
| |
| // Test the renaming works |
| ASSERT_EQ(0, ki_rename("/test1.txt", "/test2.txt")); |
| |
| // Test that renaming across mount points fails |
| ASSERT_EQ(0, ki_mount("", "/foo", "memfs", 0, "")); |
| ASSERT_EQ(-1, ki_rename("/test2.txt", "/foo/test2.txt")); |
| ASSERT_EQ(EXDEV, errno); |
| } |
| |
| TEST_F(KernelProxyTest, WorkingDirectory) { |
| char text[1024]; |
| |
| text[0] = 0; |
| ki_getcwd(text, sizeof(text)); |
| EXPECT_STREQ("/", text); |
| |
| char* alloc = ki_getwd(NULL); |
| EXPECT_EQ((char*)NULL, alloc); |
| EXPECT_EQ(EFAULT, errno); |
| |
| text[0] = 0; |
| alloc = ki_getwd(text); |
| EXPECT_STREQ("/", alloc); |
| |
| EXPECT_EQ(-1, ki_chdir("/foo")); |
| EXPECT_EQ(ENOENT, errno); |
| |
| EXPECT_EQ(0, ki_chdir("/")); |
| |
| EXPECT_EQ(0, ki_mkdir("/foo", S_IREAD | S_IWRITE)); |
| EXPECT_EQ(-1, ki_mkdir("/foo", S_IREAD | S_IWRITE)); |
| EXPECT_EQ(EEXIST, errno); |
| |
| memset(text, 0, sizeof(text)); |
| EXPECT_EQ(0, ki_chdir("foo")); |
| EXPECT_EQ(text, ki_getcwd(text, sizeof(text))); |
| EXPECT_STREQ("/foo", text); |
| |
| memset(text, 0, sizeof(text)); |
| EXPECT_EQ(-1, ki_chdir("foo")); |
| EXPECT_EQ(ENOENT, errno); |
| EXPECT_EQ(0, ki_chdir("..")); |
| EXPECT_EQ(0, ki_chdir("/foo")); |
| EXPECT_EQ(text, ki_getcwd(text, sizeof(text))); |
| EXPECT_STREQ("/foo", text); |
| } |
| |
| TEST_F(KernelProxyTest, MemMountIO) { |
| char text[1024]; |
| int fd1, fd2, fd3; |
| int len; |
| |
| // Fail to delete non existant "/foo" |
| EXPECT_EQ(-1, ki_rmdir("/foo")); |
| EXPECT_EQ(ENOENT, errno); |
| |
| // Create "/foo" |
| EXPECT_EQ(0, ki_mkdir("/foo", S_IREAD | S_IWRITE)); |
| EXPECT_EQ(-1, ki_mkdir("/foo", S_IREAD | S_IWRITE)); |
| EXPECT_EQ(EEXIST, errno); |
| |
| // Delete "/foo" |
| EXPECT_EQ(0, ki_rmdir("/foo")); |
| |
| // Recreate "/foo" |
| EXPECT_EQ(0, ki_mkdir("/foo", S_IREAD | S_IWRITE)); |
| |
| // Fail to open "/foo/bar" |
| EXPECT_EQ(-1, ki_open("/foo/bar", O_RDONLY)); |
| EXPECT_EQ(ENOENT, errno); |
| |
| // Create bar "/foo/bar" |
| fd1 = ki_open("/foo/bar", O_RDWR | O_CREAT); |
| ASSERT_NE(-1, fd1); |
| |
| // Open (optionally create) bar "/foo/bar" |
| fd2 = ki_open("/foo/bar", O_RDWR | O_CREAT); |
| ASSERT_NE(-1, fd2); |
| |
| // Fail to exclusively create bar "/foo/bar" |
| EXPECT_EQ(-1, ki_open("/foo/bar", O_RDONLY | O_CREAT | O_EXCL)); |
| EXPECT_EQ(EEXIST, errno); |
| |
| // Write hello and world to same node with different descriptors |
| // so that we overwrite each other |
| EXPECT_EQ(5, ki_write(fd2, "WORLD", 5)); |
| EXPECT_EQ(5, ki_write(fd1, "HELLO", 5)); |
| |
| fd3 = ki_open("/foo/bar", O_RDONLY); |
| ASSERT_NE(-1, fd3); |
| |
| len = ki_read(fd3, text, sizeof(text)); |
| ASSERT_EQ(5, len); |
| text[len] = 0; |
| EXPECT_STREQ("HELLO", text); |
| EXPECT_EQ(0, ki_close(fd1)); |
| EXPECT_EQ(0, ki_close(fd2)); |
| |
| fd1 = ki_open("/foo/bar", O_WRONLY | O_APPEND); |
| ASSERT_NE(-1, fd1); |
| EXPECT_EQ(5, ki_write(fd1, "WORLD", 5)); |
| |
| len = ki_read(fd3, text, sizeof(text)); |
| ASSERT_EQ(5, len); |
| text[len] = 0; |
| EXPECT_STREQ("WORLD", text); |
| |
| fd2 = ki_open("/foo/bar", O_RDONLY); |
| ASSERT_NE(-1, fd2); |
| len = ki_read(fd2, text, sizeof(text)); |
| if (len > 0) |
| text[len] = 0; |
| EXPECT_EQ(10, len); |
| EXPECT_STREQ("HELLOWORLD", text); |
| } |
| |
| TEST_F(KernelProxyTest, MemMountLseek) { |
| int fd = ki_open("/foo", O_CREAT | O_RDWR); |
| ASSERT_GT(fd, -1); |
| ASSERT_EQ(9, ki_write(fd, "Some text", 9)); |
| |
| ASSERT_EQ(9, ki_lseek(fd, 0, SEEK_CUR)); |
| ASSERT_EQ(9, ki_lseek(fd, 0, SEEK_END)); |
| ASSERT_EQ(-1, ki_lseek(fd, -1, SEEK_SET)); |
| ASSERT_EQ(EINVAL, errno); |
| |
| // Seek past end of file. |
| ASSERT_EQ(13, ki_lseek(fd, 13, SEEK_SET)); |
| char buffer[4]; |
| memset(&buffer[0], 0xfe, 4); |
| ASSERT_EQ(9, ki_lseek(fd, -4, SEEK_END)); |
| ASSERT_EQ(9, ki_lseek(fd, 0, SEEK_CUR)); |
| ASSERT_EQ(4, ki_read(fd, &buffer[0], 4)); |
| ASSERT_EQ(0, memcmp("\0\0\0\0", buffer, 4)); |
| } |
| |
| TEST_F(KernelProxyTest, CloseTwice) { |
| int fd = ki_open("/foo", O_CREAT | O_RDWR); |
| ASSERT_GT(fd, -1); |
| |
| EXPECT_EQ(9, ki_write(fd, "Some text", 9)); |
| |
| int fd2 = ki_dup(fd); |
| ASSERT_GT(fd2, -1); |
| |
| EXPECT_EQ(0, ki_close(fd)); |
| EXPECT_EQ(0, ki_close(fd2)); |
| } |
| |
| TEST_F(KernelProxyTest, MemMountDup) { |
| int fd = ki_open("/foo", O_CREAT | O_RDWR); |
| ASSERT_GT(fd, -1); |
| |
| int dup_fd = ki_dup(fd); |
| ASSERT_NE(-1, dup_fd); |
| |
| ASSERT_EQ(9, ki_write(fd, "Some text", 9)); |
| ASSERT_EQ(9, ki_lseek(fd, 0, SEEK_CUR)); |
| ASSERT_EQ(9, ki_lseek(dup_fd, 0, SEEK_CUR)); |
| |
| int dup2_fd = 123; |
| ASSERT_EQ(dup2_fd, ki_dup2(fd, dup2_fd)); |
| ASSERT_EQ(9, ki_lseek(dup2_fd, 0, SEEK_CUR)); |
| |
| int new_fd = ki_open("/bar", O_CREAT | O_RDWR); |
| |
| ASSERT_EQ(fd, ki_dup2(new_fd, fd)); |
| // fd, new_fd -> "/bar" |
| // dup_fd, dup2_fd -> "/foo" |
| |
| // We should still be able to write to dup_fd (i.e. it should not be closed). |
| ASSERT_EQ(4, ki_write(dup_fd, "more", 4)); |
| |
| ASSERT_EQ(0, ki_close(dup2_fd)); |
| // fd, new_fd -> "/bar" |
| // dup_fd -> "/foo" |
| |
| ASSERT_EQ(dup_fd, ki_dup2(fd, dup_fd)); |
| // fd, new_fd, dup_fd -> "/bar" |
| } |
| |
| namespace { |
| |
| StringMap_t g_string_map; |
| |
| class MountMockInit : public MountMem { |
| public: |
| using MountMem::Init; |
| |
| virtual Error Init(const MountInitArgs& args) { |
| g_string_map = args.string_map; |
| if (g_string_map.find("false") != g_string_map.end()) |
| return EINVAL; |
| return 0; |
| } |
| |
| friend class TypedMountFactory<MountMockInit>; |
| }; |
| |
| class KernelProxyMountMock : public KernelProxy { |
| virtual Error Init(PepperInterface* ppapi) { |
| KernelProxy::Init(NULL); |
| factories_["initfs"] = new TypedMountFactory<MountMockInit>; |
| return 0; |
| } |
| }; |
| |
| class KernelProxyMountTest : public ::testing::Test { |
| public: |
| KernelProxyMountTest() {} |
| |
| void SetUp() { |
| ki_init(&kp_); |
| } |
| |
| void TearDown() { |
| ki_uninit(); |
| } |
| |
| private: |
| KernelProxyMountMock kp_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(KernelProxyMountTest, MountInit) { |
| int res1 = ki_mount("/", "/mnt1", "initfs", 0, "false,foo=bar"); |
| |
| EXPECT_EQ("bar", g_string_map["foo"]); |
| EXPECT_EQ(-1, res1); |
| EXPECT_EQ(EINVAL, errno); |
| |
| int res2 = ki_mount("/", "/mnt2", "initfs", 0, "true,bar=foo,x=y"); |
| EXPECT_NE(-1, res2); |
| EXPECT_EQ("y", g_string_map["x"]); |
| } |
| |
| namespace { |
| |
| int g_MMapCount = 0; |
| |
| class MountNodeMockMMap : public MountNode { |
| public: |
| MountNodeMockMMap(Mount* mount) : MountNode(mount), node_mmap_count_(0) { |
| EXPECT_EQ(0, Init(0)); |
| } |
| |
| virtual Error MMap(void* addr, |
| size_t length, |
| int prot, |
| int flags, |
| size_t offset, |
| void** out_addr) { |
| node_mmap_count_++; |
| switch (g_MMapCount++) { |
| case 0: |
| *out_addr = reinterpret_cast<void*>(0x1000); |
| break; |
| case 1: |
| *out_addr = reinterpret_cast<void*>(0x2000); |
| break; |
| case 2: |
| *out_addr = reinterpret_cast<void*>(0x3000); |
| break; |
| default: |
| return EPERM; |
| } |
| |
| return 0; |
| } |
| |
| private: |
| int node_mmap_count_; |
| }; |
| |
| class MountMockMMap : public Mount { |
| public: |
| virtual Error Access(const Path& path, int a_mode) { return 0; } |
| virtual Error Open(const Path& path, int mode, ScopedMountNode* out_node) { |
| out_node->reset(new MountNodeMockMMap(this)); |
| return 0; |
| } |
| |
| virtual Error OpenResource(const Path& path, ScopedMountNode* out_node) { |
| out_node->reset(NULL); |
| return ENOSYS; |
| } |
| virtual Error Unlink(const Path& path) { return ENOSYS; } |
| virtual Error Mkdir(const Path& path, int permissions) { return ENOSYS; } |
| virtual Error Rmdir(const Path& path) { return ENOSYS; } |
| virtual Error Remove(const Path& path) { return ENOSYS; } |
| virtual Error Rename(const Path& path, const Path& newpath) { return ENOSYS; } |
| |
| friend class TypedMountFactory<MountMockMMap>; |
| }; |
| |
| class KernelProxyMockMMap : public KernelProxy { |
| virtual Error Init(PepperInterface* ppapi) { |
| KernelProxy::Init(NULL); |
| factories_["mmapfs"] = new TypedMountFactory<MountMockMMap>; |
| return 0; |
| } |
| }; |
| |
| class KernelProxyMMapTest : public ::testing::Test { |
| public: |
| KernelProxyMMapTest() {} |
| |
| void SetUp() { |
| ki_init(&kp_); |
| } |
| |
| void TearDown() { |
| ki_uninit(); |
| } |
| |
| private: |
| KernelProxyMockMMap kp_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(KernelProxyMMapTest, MMap) { |
| ASSERT_EQ(0, ki_umount("/")); |
| ASSERT_EQ(0, ki_mount("", "/", "mmapfs", 0, NULL)); |
| int fd = ki_open("/file", O_RDWR | O_CREAT); |
| ASSERT_NE(-1, fd); |
| |
| void* addr1 = ki_mmap(NULL, 0x800, PROT_READ, MAP_PRIVATE, fd, 0); |
| ASSERT_EQ(reinterpret_cast<void*>(0x1000), addr1); |
| ASSERT_EQ(1, g_MMapCount); |
| |
| void* addr2 = ki_mmap(NULL, 0x800, PROT_READ, MAP_PRIVATE, fd, 0); |
| ASSERT_EQ(reinterpret_cast<void*>(0x2000), addr2); |
| ASSERT_EQ(2, g_MMapCount); |
| |
| void* addr3 = ki_mmap(NULL, 0x800, PROT_READ, MAP_PRIVATE, fd, 0); |
| ASSERT_EQ(reinterpret_cast<void*>(0x3000), addr3); |
| ASSERT_EQ(3, g_MMapCount); |
| |
| ki_close(fd); |
| |
| // We no longer track mmap'd regions, so munmap is a no-op. |
| ASSERT_EQ(0, ki_munmap(reinterpret_cast<void*>(0x1000), 0x2800)); |
| // We don't track regions, so the mmap count hasn't changed. |
| ASSERT_EQ(3, g_MMapCount); |
| } |
| |
| namespace { |
| |
| class SingletonMountFactory : public MountFactory { |
| public: |
| SingletonMountFactory(const ScopedMount& mount) : mount_(mount) {} |
| |
| virtual Error CreateMount(const MountInitArgs& args, |
| ScopedMount* out_mount) { |
| *out_mount = mount_; |
| return 0; |
| } |
| |
| private: |
| ScopedMount mount_; |
| }; |
| |
| class KernelProxyError : public KernelProxy { |
| public: |
| KernelProxyError() : mnt_(new MountMock) {} |
| |
| virtual Error Init(PepperInterface* ppapi) { |
| KernelProxy::Init(ppapi); |
| factories_["testfs"] = new SingletonMountFactory(mnt_); |
| |
| EXPECT_CALL(*mnt_, Destroy()).Times(1); |
| return 0; |
| } |
| |
| ScopedRef<MountMock> mnt() { return mnt_; } |
| |
| private: |
| ScopedRef<MountMock> mnt_; |
| }; |
| |
| class KernelProxyErrorTest : public ::testing::Test { |
| public: |
| KernelProxyErrorTest() {} |
| |
| void SetUp() { |
| ki_init(&kp_); |
| // Unmount the passthrough FS and mount a testfs. |
| EXPECT_EQ(0, kp_.umount("/")); |
| EXPECT_EQ(0, kp_.mount("", "/", "testfs", 0, NULL)); |
| } |
| |
| void TearDown() { |
| ki_uninit(); |
| } |
| |
| ScopedRef<MountMock> mnt() { return kp_.mnt(); } |
| |
| private: |
| KernelProxyError kp_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(KernelProxyErrorTest, WriteError) { |
| ScopedRef<MountMock> mock_mnt(mnt()); |
| ScopedRef<MountNodeMock> mock_node(new MountNodeMock(&*mock_mnt)); |
| EXPECT_CALL(*mock_mnt, Open(_, _, _)) |
| .WillOnce(DoAll(SetArgPointee<2>(mock_node), Return(0))); |
| |
| EXPECT_CALL(*mock_node, Write(_, _, _, _)) |
| .WillOnce(DoAll(SetArgPointee<3>(0), // Wrote 0 bytes. |
| Return(1234))); // Returned error 1234. |
| |
| EXPECT_CALL(*mock_node, Destroy()).Times(1); |
| |
| int fd = ki_open("/dummy", O_WRONLY); |
| EXPECT_NE(0, fd); |
| |
| char buf[20]; |
| EXPECT_EQ(-1, ki_write(fd, &buf[0], 20)); |
| // The Mount should be able to return whatever error it wants and have it |
| // propagate through. |
| EXPECT_EQ(1234, errno); |
| } |
| |
| TEST_F(KernelProxyErrorTest, ReadError) { |
| ScopedRef<MountMock> mock_mnt(mnt()); |
| ScopedRef<MountNodeMock> mock_node(new MountNodeMock(&*mock_mnt)); |
| EXPECT_CALL(*mock_mnt, Open(_, _, _)) |
| .WillOnce(DoAll(SetArgPointee<2>(mock_node), Return(0))); |
| |
| EXPECT_CALL(*mock_node, Read(_, _, _, _)) |
| .WillOnce(DoAll(SetArgPointee<3>(0), // Read 0 bytes. |
| Return(1234))); // Returned error 1234. |
| |
| EXPECT_CALL(*mock_node, Destroy()).Times(1); |
| |
| int fd = ki_open("/dummy", O_RDONLY); |
| EXPECT_NE(0, fd); |
| |
| char buf[20]; |
| EXPECT_EQ(-1, ki_read(fd, &buf[0], 20)); |
| // The Mount should be able to return whatever error it wants and have it |
| // propagate through. |
| EXPECT_EQ(1234, errno); |
| } |