1 files changed, 99 insertions, 0 deletions
diff --git a/sandbox/linux/services/syscall_wrappers_unittest.cc b/sandbox/linux/services/syscall_wrappers_unittest.cc
new file mode 100644
index 0000000000..249d9ae1da
--- /dev/null
+++ b/sandbox/linux/services/syscall_wrappers_unittest.cc
@@ -0,0 +1,99 @@
+// Copyright 2014 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 "sandbox/linux/services/syscall_wrappers.h"
+
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <cstring>
+
+#include "base/logging.h"
+#include "base/posix/eintr_wrapper.h"
+#include "build/build_config.h"
+#include "sandbox/linux/system_headers/linux_signal.h"
+#include "sandbox/linux/tests/test_utils.h"
+#include "sandbox/linux/tests/unit_tests.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/valgrind/valgrind.h"
+
+namespace sandbox {
+
+namespace {
+
+TEST(SyscallWrappers, BasicSyscalls) {
+  EXPECT_EQ(getpid(), sys_getpid());
+}
+
+TEST(SyscallWrappers, CloneBasic) {
+  pid_t child = sys_clone(SIGCHLD);
+  TestUtils::HandlePostForkReturn(child);
+  EXPECT_LT(0, child);
+}
+
+TEST(SyscallWrappers, CloneParentSettid) {
+  pid_t ptid = 0;
+  pid_t child = sys_clone(CLONE_PARENT_SETTID | SIGCHLD, nullptr, &ptid,
+                          nullptr, nullptr);
+  TestUtils::HandlePostForkReturn(child);
+  EXPECT_LT(0, child);
+  EXPECT_EQ(child, ptid);
+}
+
+TEST(SyscallWrappers, CloneChildSettid) {
+  pid_t ctid = 0;
+  pid_t pid =
+      sys_clone(CLONE_CHILD_SETTID | SIGCHLD, nullptr, nullptr, &ctid, nullptr);
+
+  const int kSuccessExit = 0;
+  if (0 == pid) {
+    // In child.
+    if (sys_getpid() == ctid)
+      _exit(kSuccessExit);
+    _exit(1);
+  }
+
+  ASSERT_NE(-1, pid);
+  int status = 0;
+  ASSERT_EQ(pid, HANDLE_EINTR(waitpid(pid, &status, 0)));
+  ASSERT_TRUE(WIFEXITED(status));
+  EXPECT_EQ(kSuccessExit, WEXITSTATUS(status));
+}
+
+TEST(SyscallWrappers, GetRESUid) {
+  uid_t ruid, euid, suid;
+  uid_t sys_ruid, sys_euid, sys_suid;
+  ASSERT_EQ(0, getresuid(&ruid, &euid, &suid));
+  ASSERT_EQ(0, sys_getresuid(&sys_ruid, &sys_euid, &sys_suid));
+  EXPECT_EQ(ruid, sys_ruid);
+  EXPECT_EQ(euid, sys_euid);
+  EXPECT_EQ(suid, sys_suid);
+}
+
+TEST(SyscallWrappers, GetRESGid) {
+  gid_t rgid, egid, sgid;
+  gid_t sys_rgid, sys_egid, sys_sgid;
+  ASSERT_EQ(0, getresgid(&rgid, &egid, &sgid));
+  ASSERT_EQ(0, sys_getresgid(&sys_rgid, &sys_egid, &sys_sgid));
+  EXPECT_EQ(rgid, sys_rgid);
+  EXPECT_EQ(egid, sys_egid);
+  EXPECT_EQ(sgid, sys_sgid);
+}
+
+TEST(SyscallWrappers, LinuxSigSet) {
+  sigset_t sigset;
+  ASSERT_EQ(0, sigemptyset(&sigset));
+  ASSERT_EQ(0, sigaddset(&sigset, LINUX_SIGSEGV));
+  ASSERT_EQ(0, sigaddset(&sigset, LINUX_SIGBUS));
+  uint64_t linux_sigset = 0;
+  std::memcpy(&linux_sigset, &sigset,
+              std::min(sizeof(sigset), sizeof(linux_sigset)));
+  EXPECT_EQ((1ULL << (LINUX_SIGSEGV - 1)) | (1ULL << (LINUX_SIGBUS - 1)),
+            linux_sigset);
+}
+
+}  // namespace
+
+}  // namespace sandbox