lldb/unittests/Host/HostTest.cpp

   1 //===-- HostTest.cpp ------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Host/Host.h"
  10 #include "lldb/Utility/ProcessInfo.h"
  11 #include "gtest/gtest.h"
  12
  13 using namespace lldb_private;
  14 using namespace llvm;
  15
  16 TEST(Host, WaitStatusFormat) {
  17   EXPECT_EQ("W01", formatv("{0:g}", WaitStatus{WaitStatus::Exit, 1}).str());
  18   EXPECT_EQ("X02", formatv("{0:g}", WaitStatus{WaitStatus::Signal, 2}).str());
  19   EXPECT_EQ("S03", formatv("{0:g}", WaitStatus{WaitStatus::Stop, 3}).str());
  20   EXPECT_EQ("Exited with status 4",
  21             formatv("{0}", WaitStatus{WaitStatus::Exit, 4}).str());
  22 }
  23
  24 TEST(Host, GetEnvironment) {
  25   putenv(const_cast<char *>("LLDB_TEST_ENVIRONMENT_VAR=Host::GetEnvironment"));
  26   ASSERT_EQ("Host::GetEnvironment",
  27             Host::GetEnvironment().lookup("LLDB_TEST_ENVIRONMENT_VAR"));
  28 }
  29
  30 TEST(Host, ProcessInstanceInfoCumulativeUserTimeIsValid) {
  31   ProcessInstanceInfo info;
  32   info.SetCumulativeUserTime(ProcessInstanceInfo::timespec{0, 0});
  33   EXPECT_FALSE(info.CumulativeUserTimeIsValid());
  34   info.SetCumulativeUserTime(ProcessInstanceInfo::timespec{0, 1});
  35   EXPECT_TRUE(info.CumulativeUserTimeIsValid());
  36   info.SetCumulativeUserTime(ProcessInstanceInfo::timespec{1, 0});
  37   EXPECT_TRUE(info.CumulativeUserTimeIsValid());
  38 }
  39
  40 TEST(Host, ProcessInstanceInfoCumulativeSystemTimeIsValid) {
  41   ProcessInstanceInfo info;
  42   info.SetCumulativeSystemTime(ProcessInstanceInfo::timespec{0, 0});
  43   EXPECT_FALSE(info.CumulativeSystemTimeIsValid());
  44   info.SetCumulativeSystemTime(ProcessInstanceInfo::timespec{0, 1});
  45   EXPECT_TRUE(info.CumulativeSystemTimeIsValid());
  46   info.SetCumulativeSystemTime(ProcessInstanceInfo::timespec{1, 0});
  47   EXPECT_TRUE(info.CumulativeSystemTimeIsValid());
  48 }