Rename mount

native_client_sdk/src/libraries/nacl_mounts_test/kernel_proxy_test.cc

-/* 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 <sys/stat.h>
-
-#include <map>
-#include <string>
-
-#include "nacl_mounts/kernel_handle.h"
-#include "nacl_mounts/kernel_intercept.h"
-#include "nacl_mounts/kernel_proxy.h"
-#include "nacl_mounts/mount.h"
-#include "nacl_mounts/mount_mem.h"
-#include "nacl_mounts/path.h"
-
-#include "gtest/gtest.h"
-
-
-class KernelProxyTest : public ::testing::Test {
- public:
-  KernelProxyTest()
-      : kp_(new KernelProxy) {
-    ki_init(kp_);
-  }
-
-  ~KernelProxyTest() {
-    ki_uninit();
-    delete kp_;
-  }
-
- private:
-  KernelProxy* kp_;
-};
-
-
-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;
-
-  // Create "/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_RDONLY | O_CREAT);
-  EXPECT_NE(-1, fd1);
-
-  // Open (optionally create) bar "/foo/bar"
-  fd2 = ki_open("/foo/bar", O_RDONLY | O_CREAT);
-  EXPECT_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_WRONLY);
-  EXPECT_NE(-1, fd3);
-
-  len = ki_read(fd3, text, sizeof(text));
-  if (len > -0) text[len] = 0;
-  EXPECT_EQ(5, len);
-  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);
-  EXPECT_NE(-1, fd1);
-  EXPECT_EQ(5, ki_write(fd1, "WORLD", 5));
-
-  len = ki_read(fd3, text, sizeof(text));
-  if (len >= 0) text[len] = 0;
-
-  EXPECT_EQ(5, len);
-  EXPECT_STREQ("WORLD", text);
-
-  fd2 = ki_open("/foo/bar", O_RDONLY);
-  EXPECT_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);
-  EXPECT_EQ(9, ki_write(fd, "Some text", 9));
-
-  EXPECT_EQ(9, ki_lseek(fd, 0, SEEK_CUR));
-  EXPECT_EQ(9, ki_lseek(fd, 0, SEEK_END));
-  EXPECT_EQ(-1, ki_lseek(fd, -1, SEEK_SET));
-  EXPECT_EQ(EINVAL, errno);
-
-  // Seek past end of file.
-  EXPECT_EQ(13, ki_lseek(fd, 13, SEEK_SET));
-  char buffer[4];
-  memset(&buffer[0], 0xfe, 4);
-  EXPECT_EQ(9, ki_lseek(fd, -4, SEEK_END));
-  EXPECT_EQ(4, ki_read(fd, &buffer[0], 4));
-  EXPECT_EQ(0, memcmp("\0\0\0\0", buffer, 4));
-}
-
-TEST_F(KernelProxyTest, CloseTwice) {
-  int fd = ki_open("/foo", O_CREAT | O_RDWR);
-  EXPECT_EQ(9, ki_write(fd, "Some text", 9));
-
-  int fd2 = ki_dup(fd);
-  EXPECT_NE(-1, fd2);
-
-  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);
-
-  int dup_fd = ki_dup(fd);
-  EXPECT_NE(-1, dup_fd);
-
-  EXPECT_EQ(9, ki_write(fd, "Some text", 9));
-  EXPECT_EQ(9, ki_lseek(fd, 0, SEEK_CUR));
-  EXPECT_EQ(9, ki_lseek(dup_fd, 0, SEEK_CUR));
-
-  int dup2_fd = 123;
-  EXPECT_EQ(dup2_fd, ki_dup2(fd, dup2_fd));
-  EXPECT_EQ(9, ki_lseek(dup2_fd, 0, SEEK_CUR));
-
-  int new_fd = ki_open("/bar", O_CREAT | O_RDWR);
-
-  EXPECT_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).
-  EXPECT_EQ(4, ki_write(dup_fd, "more", 4));
-
-  EXPECT_EQ(0, ki_close(dup2_fd));
-  // fd, new_fd -> "/bar"
-  // dup_fd -> "/foo"
-
-  EXPECT_EQ(dup_fd, ki_dup2(fd, dup_fd));
-  // fd, new_fd, dup_fd -> "/bar"
-}
-
-
-StringMap_t g_StringMap;
-
-class MountMockInit : public MountMem {
- public:
-  virtual bool Init(int dev, StringMap_t& args, PepperInterface* ppapi) {
-    g_StringMap = args;
-    if (args.find("false") != args.end())
-      return false;
-    return true;
-  };
-};
-
-class KernelProxyMountMock : public KernelProxy {
-  virtual void Init(PepperInterface* ppapi) {
-    KernelProxy::Init(NULL);
-    factories_["initfs"] = MountMockInit::Create<MountMockInit>;
-  }
-};
-
-class KernelProxyMountTest : public ::testing::Test {
- public:
-  KernelProxyMountTest()
-      : kp_(new KernelProxyMountMock) {
-    ki_init(kp_);
-  }
-
-  ~KernelProxyMountTest() {
-    ki_uninit();
-    delete kp_;
-  }
-
- private:
-  KernelProxy* kp_;
-};
-
-
-
-TEST_F(KernelProxyMountTest, MountInit) {
-  int res1 = ki_mount("/", "/mnt1", "initfs", 0, "false,foo=bar");
-
-  EXPECT_EQ("bar", g_StringMap["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_StringMap["x"]);
-}