Remove syscall tests' dependency on glog

PiperOrigin-RevId: 245469859
Change-Id: I0610e477cc3a884275852e83028ecfb501f2c039

17 files changed, 48 insertions, 47 deletions

diff --git a/test/syscalls/linux/affinity.cc b/test/syscalls/linux/affinity.cc
index 3b59d5777..81bd9bcb5 100644
--- a/test/syscalls/linux/affinity.cc
+++ b/test/syscalls/linux/affinity.cc
@@ -121,8 +121,7 @@ TEST_F(AffinityTest, SchedSetAffinityOnlyNonexistentCPUFails) {
   // it's implicitly returned by raw sched_getaffinity syscall.
   int cpu = cpuset_size_ * 8 - 1;
   if (cpu <= NumCPUs()) {
-    LOG(INFO) << "Skipping test: cpu " << cpu << " exists";
-    return;
+    GTEST_SKIP() << "Skipping test: cpu " << cpu << " exists";
   }
   CPU_SET(cpu, &mask_);
   EXPECT_THAT(
diff --git a/test/syscalls/linux/concurrency.cc b/test/syscalls/linux/concurrency.cc
index f5a941ca8..7978845c1 100644
--- a/test/syscalls/linux/concurrency.cc
+++ b/test/syscalls/linux/concurrency.cc
@@ -103,7 +103,6 @@ TEST(ConcurrencyTest, MultiProcessConcurrency) {
   if (child_pid == 0) {
     while (true) {
     }
-    __builtin_unreachable();
   }
   ASSERT_THAT(child_pid, SyscallSucceeds());
 
diff --git a/test/syscalls/linux/exec.cc b/test/syscalls/linux/exec.cc
index d5a938a98..30bc4b608 100644
--- a/test/syscalls/linux/exec.cc
+++ b/test/syscalls/linux/exec.cc
@@ -21,6 +21,7 @@
 #include <sys/time.h>
 #include <unistd.h>
 
+#include <iostream>
 #include <memory>
 #include <string>
 #include <vector>
@@ -567,26 +568,26 @@ void ExecFromThread() {
 bool ValidateProcCmdlineVsArgv(const int argc, const char* const* argv) {
   auto contents_or = GetContents("/proc/self/cmdline");
   if (!contents_or.ok()) {
-    LOG(ERROR) << "Unable to get /proc/self/cmdline: " << contents_or.error();
+    std::cerr << "Unable to get /proc/self/cmdline: " << contents_or.error();
     return false;
   }
   auto contents = contents_or.ValueOrDie();
   if (contents.back() != '\0') {
-    LOG(ERROR) << "Non-null terminated /proc/self/cmdline!";
+    std::cerr << "Non-null terminated /proc/self/cmdline!";
     return false;
   }
   contents.pop_back();
   std::vector<std::string> procfs_cmdline = absl::StrSplit(contents, '\0');
 
   if (static_cast<int>(procfs_cmdline.size()) != argc) {
-    LOG(ERROR) << "argc = " << argc << " != " << procfs_cmdline.size();
+    std::cerr << "argc = " << argc << " != " << procfs_cmdline.size();
     return false;
   }
 
   for (int i = 0; i < argc; ++i) {
     if (procfs_cmdline[i] != argv[i]) {
-      LOG(ERROR) << "Procfs command line argument " << i << " mismatch "
-                 << procfs_cmdline[i] << " != " << argv[i];
+      std::cerr << "Procfs command line argument " << i << " mismatch "
+                << procfs_cmdline[i] << " != " << argv[i];
       return false;
     }
   }
diff --git a/test/syscalls/linux/poll.cc b/test/syscalls/linux/poll.cc
index 67a86cc22..cd2161bb1 100644
--- a/test/syscalls/linux/poll.cc
+++ b/test/syscalls/linux/poll.cc
@@ -16,7 +16,9 @@
 #include <sys/resource.h>
 #include <sys/socket.h>
 #include <sys/types.h>
+
 #include <algorithm>
+#include <iostream>
 
 #include "gtest/gtest.h"
 #include "absl/synchronization/notification.h"
@@ -264,7 +266,7 @@ TEST_F(PollTest, Nfds) {
   }
 
   rlim_t max_fds = rlim.rlim_cur;
-  LOG(INFO) << "Using limit: " << max_fds;
+  std::cout << "Using limit: " << max_fds;
 
   // Create an eventfd. Since its value is initially zero, it is writable.
   FileDescriptor efd = ASSERT_NO_ERRNO_AND_VALUE(NewEventFD());
diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc
index 67d3d18c7..a55ecaef1 100644
--- a/test/syscalls/linux/proc.cc
+++ b/test/syscalls/linux/proc.cc
@@ -133,7 +133,6 @@ PosixError WithSubprocess(SubprocessCallback const& running,
     while (true) {
       SleepSafe(absl::Milliseconds(100));
     }
-    __builtin_unreachable();
   }
 
   close(pipe_fds[1]);  // Close the write end.
@@ -565,12 +564,9 @@ TEST(ProcSelfMaps, MapUnmap) {
 }
 
 TEST(ProcSelfMaps, Mprotect) {
-  if (!IsRunningOnGvisor()) {
-    // FIXME: Linux's mprotect() sometimes fails to merge VMAs in this
-    // case.
-    LOG(WARNING) << "Skipping test on Linux";
-    return;
-  }
+  // FIXME: Linux's mprotect() sometimes fails to merge VMAs in this
+  // case.
+  SKIP_IF(!IsRunningOnGvisor());
 
   // Reserve 5 pages of address space.
   Mapping m = ASSERT_NO_ERRNO_AND_VALUE(
diff --git a/test/syscalls/linux/proc_pid_smaps.cc b/test/syscalls/linux/proc_pid_smaps.cc
index 4aefc1b41..5f9c42ce5 100644
--- a/test/syscalls/linux/proc_pid_smaps.cc
+++ b/test/syscalls/linux/proc_pid_smaps.cc
@@ -16,6 +16,7 @@
 #include <stdint.h>
 
 #include <algorithm>
+#include <iostream>
 #include <string>
 #include <utility>
 #include <vector>
@@ -172,7 +173,7 @@ PosixErrorOr<std::vector<ProcPidSmapsEntry>> ParseProcPidSmaps(
       return;
     }
     unknown_fields.insert(std::string(key));
-    LOG(INFO) << "skipping unknown smaps field " << key;
+    std::cerr << "skipping unknown smaps field " << key;
   };
 
   auto lines = absl::StrSplit(contents, '\n', absl::SkipEmpty());
@@ -189,8 +190,8 @@ PosixErrorOr<std::vector<ProcPidSmapsEntry>> ParseProcPidSmaps(
     // "key:value" (where value in practice will be preceded by a variable
     // amount of whitespace).
     if (!entry) {
-      LOG(WARNING) << "smaps line not considered a maps line: "
-                   << maybe_maps_entry.error_message();
+      std::cerr << "smaps line not considered a maps line: "
+                << maybe_maps_entry.error_message();
       return PosixError(
           EINVAL,
           absl::StrCat("smaps field line without preceding maps line: ", l));
diff --git a/test/syscalls/linux/ptrace.cc b/test/syscalls/linux/ptrace.cc
index 668d49128..7927b1697 100644
--- a/test/syscalls/linux/ptrace.cc
+++ b/test/syscalls/linux/ptrace.cc
@@ -22,6 +22,7 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
+#include <iostream>
 #include <utility>
 
 #include "gmock/gmock.h"
@@ -1188,7 +1189,7 @@ TEST(PtraceTest, SeizeSetOptions) {
     // gVisor is not susceptible to this race because
     // kernel.Task.waitCollectTraceeStopLocked() checks specifically for an
     // active ptraceStop, which is not initiated if SIGKILL is pending.
-    LOG(INFO) << "Observed syscall-exit after SIGKILL";
+    std::cout << "Observed syscall-exit after SIGKILL";
     ASSERT_THAT(waitpid(child_pid, &status, 0),
                 SyscallSucceedsWithValue(child_pid));
   }
diff --git a/test/syscalls/linux/sendfile_socket.cc b/test/syscalls/linux/sendfile_socket.cc
index 7010dc211..e2ccf17ce 100644
--- a/test/syscalls/linux/sendfile_socket.cc
+++ b/test/syscalls/linux/sendfile_socket.cc
@@ -17,6 +17,8 @@
 #include <sys/sendfile.h>
 #include <sys/socket.h>
 #include <unistd.h>
+
+#include <iostream>
 #include <vector>
 
 #include "gtest/gtest.h"
@@ -110,7 +112,7 @@ TEST(SendFileTest, SendMultiple) {
   addr.sin_family = AF_INET;
   addr.sin_addr.s_addr = inet_addr("127.0.0.1");
   addr.sin_port = server_addr.sin_port;
-  LOG(INFO) << "Connecting on port=" << server_addr.sin_port;
+  std::cout << "Connecting on port=" << server_addr.sin_port;
   ASSERT_THAT(
       RetryEINTR(connect)(
           outf.get(), reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)),
@@ -119,7 +121,7 @@ TEST(SendFileTest, SendMultiple) {
   int cnt = 0;
   for (size_t sent = 0; sent < data.size(); cnt++) {
     const size_t remain = data.size() - sent;
-    LOG(INFO) << "sendfile, size=" << data.size() << ", sent=" << sent
+    std::cout << "sendfile, size=" << data.size() << ", sent=" << sent
               << ", remain=" << remain;
 
     // Send data and verify that sendfile returns the correct value.
diff --git a/test/syscalls/linux/socket_inet_loopback.cc b/test/syscalls/linux/socket_inet_loopback.cc
index 4195e402c..a079b85dd 100644
--- a/test/syscalls/linux/socket_inet_loopback.cc
+++ b/test/syscalls/linux/socket_inet_loopback.cc
@@ -18,6 +18,7 @@
 #include <sys/socket.h>
 
 #include <atomic>
+#include <iostream>
 #include <memory>
 #include <string>
 #include <tuple>
@@ -1025,7 +1026,7 @@ TEST_P(SocketMultiProtocolInetLoopbackTest, PortReuseTwoSockets) {
           setsockopt(fd2, SOL_SOCKET, SO_REUSEPORT, &portreuse2, sizeof(int)),
           SyscallSucceeds());
 
-      LOG(INFO) << portreuse1 << " " << portreuse2;
+      std::cout << portreuse1 << " " << portreuse2;
       int ret = bind(fd2, reinterpret_cast<sockaddr*>(&addr), addrlen);
 
       // Verify that two sockets can be bound to the same port only if
diff --git a/test/syscalls/linux/socket_netlink_route.cc b/test/syscalls/linux/socket_netlink_route.cc
index fa895d841..50943d384 100644
--- a/test/syscalls/linux/socket_netlink_route.cc
+++ b/test/syscalls/linux/socket_netlink_route.cc
@@ -18,6 +18,8 @@
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
+
+#include <iostream>
 #include <vector>
 
 #include "gtest/gtest.h"
@@ -210,7 +212,7 @@ TEST(NetlinkRouteTest, GetLinkDump) {
         ASSERT_GE(hdr->nlmsg_len, NLMSG_SPACE(sizeof(struct ifinfomsg)));
         const struct ifinfomsg* msg =
             reinterpret_cast<const struct ifinfomsg*>(NLMSG_DATA(hdr));
-        LOG(INFO) << "Found interface idx=" << msg->ifi_index
+        std::cout << "Found interface idx=" << msg->ifi_index
                   << ", type=" << std::hex << msg->ifi_type;
         if (msg->ifi_type == ARPHRD_LOOPBACK) {
           loopbackFound = true;
diff --git a/test/syscalls/linux/socket_unix_non_stream.cc b/test/syscalls/linux/socket_unix_non_stream.cc
index a84939011..8e0cbee4c 100644
--- a/test/syscalls/linux/socket_unix_non_stream.cc
+++ b/test/syscalls/linux/socket_unix_non_stream.cc
@@ -138,9 +138,7 @@ TEST_P(UnixNonStreamSocketPairTest, FragmentedSendMsg) {
     //
     // TODO: When internal UDS support SO_SNDBUF, we can assert that
     // we always get the right SO_SNDBUF on gVisor.
-    LOG(INFO) << "SO_SNDBUF = " << actual_sndbuf << ", want " << sndbuf
-              << ". Skipping test";
-    return;
+    GTEST_SKIP() << "SO_SNDBUF = " << actual_sndbuf << ", want " << sndbuf;
   }
 
   // Create a contiguous region of memory of 2*UIO_MAXIOV*PAGE_SIZE. We'll call
@@ -196,9 +194,7 @@ TEST_P(UnixNonStreamSocketPairTest, FragmentedRecvMsg) {
     //
     // TODO: When internal UDS support SO_SNDBUF, we can assert that
     // we always get the right SO_SNDBUF on gVisor.
-    LOG(INFO) << "SO_SNDBUF = " << actual_sndbuf << ", want " << sndbuf
-              << ". Skipping test";
-    return;
+    GTEST_SKIP() << "SO_SNDBUF = " << actual_sndbuf << ", want " << sndbuf;
   }
 
   std::vector<char> write_buf(buffer_size, 'a');
diff --git a/test/util/BUILD b/test/util/BUILD
index fac0730b4..a4b47de56 100644
--- a/test/util/BUILD
+++ b/test/util/BUILD
@@ -226,7 +226,6 @@ cc_library(
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
         "@com_google_absl//absl/time",
-        "@com_google_glog//:glog",
         "@com_google_googletest//:gtest",
     ],
 )
diff --git a/test/util/capability_util.cc b/test/util/capability_util.cc
index 0656775d6..d1dd95e76 100644
--- a/test/util/capability_util.cc
+++ b/test/util/capability_util.cc
@@ -19,6 +19,8 @@
 #include <sys/mman.h>
 #include <sys/wait.h>
 
+#include <iostream>
+
 #include "absl/strings/str_cat.h"
 #include "test/util/memory_util.h"
 #include "test/util/posix_error.h"
@@ -61,13 +63,13 @@ PosixErrorOr<bool> CanCreateUserNamespace() {
     // is in a chroot environment (i.e., the caller's root directory does
     // not match the root directory of the mount namespace in which it
     // resides)."
-    LOG(INFO) << "clone(CLONE_NEWUSER) failed with EPERM";
+    std::cerr << "clone(CLONE_NEWUSER) failed with EPERM";
     return false;
   } else if (errno == EUSERS) {
     // "(since Linux 3.11) CLONE_NEWUSER was specified in flags, and the call
     // would cause the limit on the number of nested user namespaces to be
     // exceeded. See user_namespaces(7)."
-    LOG(INFO) << "clone(CLONE_NEWUSER) failed with EUSERS";
+    std::cerr << "clone(CLONE_NEWUSER) failed with EUSERS";
     return false;
   } else {
     // Unexpected error code; indicate an actual error.
diff --git a/test/util/proc_util.cc b/test/util/proc_util.cc
index 7ebce0759..2d9eb1986 100644
--- a/test/util/proc_util.cc
+++ b/test/util/proc_util.cc
@@ -15,6 +15,7 @@
 #include "test/util/proc_util.h"
 
 #include <algorithm>
+#include <iostream>
 #include <vector>
 
 #include "absl/strings/ascii.h"
@@ -86,7 +87,7 @@ PosixErrorOr<std::vector<ProcMapsEntry>> ParseProcMaps(
   std::vector<ProcMapsEntry> entries;
   auto lines = absl::StrSplit(contents, '\n', absl::SkipEmpty());
   for (const auto& l : lines) {
-    LOG(INFO) << "line: " << l;
+    std::cout << "line: " << l;
     ASSIGN_OR_RETURN_ERRNO(auto entry, ParseProcMapsLine(l));
     entries.push_back(entry);
   }
diff --git a/test/util/temp_path.cc b/test/util/temp_path.cc
index 11c14fb1a..48ce82d20 100644
--- a/test/util/temp_path.cc
+++ b/test/util/temp_path.cc
@@ -15,8 +15,10 @@
 #include "test/util/temp_path.h"
 
 #include <unistd.h>
+
 #include <atomic>
 #include <cstdlib>
+#include <iostream>
 
 #include "gtest/gtest.h"
 #include "absl/time/clock.h"
@@ -52,9 +54,9 @@ void TryDeleteRecursively(std::string const& path) {
     int undeleted_files = 0;
     auto status = RecursivelyDelete(path, &undeleted_dirs, &undeleted_files);
     if (undeleted_dirs || undeleted_files || !status.ok()) {
-      LOG(WARNING) << path << ": failed to delete " << undeleted_dirs
-                   << " directories and " << undeleted_files
-                   << " files: " << status;
+      std::cerr << path << ": failed to delete " << undeleted_dirs
+                << " directories and " << undeleted_files
+                << " files: " << status;
     }
   }
 }
diff --git a/test/util/test_util.cc b/test/util/test_util.cc
index ebcbca238..9b7cfa4dc 100644
--- a/test/util/test_util.cc
+++ b/test/util/test_util.cc
@@ -25,6 +25,7 @@
 #include <unistd.h>
 
 #include <ctime>
+#include <iostream>
 #include <vector>
 
 #include "absl/base/attributes.h"
@@ -54,8 +55,8 @@ Platform GvisorPlatform() {
   if (strcmp(env, "kvm") == 0) {
     return Platform::kKVM;
   }
-  LOG(FATAL) << "unknown platform " << env;
-  __builtin_unreachable();
+  std::cerr << "unknown platform " << env;
+  abort();
 }
 
 // Inline cpuid instruction.  Preserve %ebx/%rbx register. In PIC compilations
@@ -227,7 +228,7 @@ void SleepSafe(absl::Duration duration) {
 
 uint64_t Megabytes(uint64_t n) {
   // Overflow check, upper 20 bits in n shouldn't be set.
-  CHECK(!(0xfffff00000000000 & n));
+  TEST_CHECK(!(0xfffff00000000000 & n));
   return n << 20;
 }
 
diff --git a/test/util/test_util.h b/test/util/test_util.h
index 6f2fa4875..905412b24 100644
--- a/test/util/test_util.h
+++ b/test/util/test_util.h
@@ -186,7 +186,6 @@
 #include <vector>
 
 #include <gflags/gflags.h>
-#include <glog/logging.h>
 #include "gmock/gmock.h"
 #include "absl/strings/str_cat.h"
 #include "absl/strings/str_format.h"
@@ -210,12 +209,9 @@ void TestInit(int* argc, char*** argv);
 // SKIP_IF may be used to skip a test case.
 //
 // These cases are still emitted, but a SKIPPED line will appear.
-#define SKIP_IF(expr)                                                        \
-  do {                                                                       \
-    if (expr) {                                                              \
-      std::cout << "\033[0;33m[  SKIPPED ]\033[m => " << #expr << std::endl; \
-      return;                                                                \
-    }                                                                        \
+#define SKIP_IF(expr)                \
+  do {                               \
+    if (expr) GTEST_SKIP() << #expr; \
   } while (0)
 
 enum class Platform {