lldb/unittests/Utility/StringExtractorGDBRemoteTest.cpp

   1 #include "gmock/gmock.h"
   2 #include "gtest/gtest.h"
   3 #include <limits.h>
   4
   5 #include "lldb/Utility/StringExtractorGDBRemote.h"
   6 #include "lldb/lldb-defines.h"
   7
   8 TEST(StringExtractorGDBRemoteTest, GetPidTid) {
   9   StringExtractorGDBRemote ex("");
  10   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  11
  12   // invalid/short values
  13
  14   ex.Reset("narf");
  15   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  16
  17   ex.Reset(";1234");
  18   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  19
  20   ex.Reset(".1234");
  21   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  22
  23   ex.Reset("p");
  24   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  25
  26   ex.Reset("pnarf");
  27   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  28
  29   ex.Reset("p;1234");
  30   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  31
  32   ex.Reset("p.1234");
  33   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  34
  35   ex.Reset("p1234.");
  36   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  37
  38   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  39
  40   ex.Reset("p1234.;1234");
  41   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  42
  43   ex.Reset("-2");
  44   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  45
  46   ex.Reset("p1234.-2");
  47   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  48
  49   ex.Reset("p-2");
  50   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  51
  52   ex.Reset("p-2.1234");
  53   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  54
  55   // overflow
  56
  57   ex.Reset("p10000000000000000");
  58   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  59
  60   ex.Reset("p10000000000000000.0");
  61   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  62
  63   ex.Reset("10000000000000000");
  64   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  65
  66   ex.Reset("p0.10000000000000000");
  67   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  68
  69   ex.Reset("p10000000000000000.10000000000000000");
  70   EXPECT_EQ(ex.GetPidTid(0), std::nullopt);
  71
  72   // invalid: all processes but specific thread
  73
  74   ex.Reset("p-1.0");
  75   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  76
  77   ex.Reset("p-1.1234");
  78   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  79
  80   ex.Reset("p-1.123456789ABCDEF0");
  81   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  82
  83   // unsupported: pid/tid 0
  84
  85   ex.Reset("0");
  86   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  87
  88   ex.Reset("p0");
  89   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  90
  91   ex.Reset("p0.0");
  92   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  93
  94   ex.Reset("p0.-1");
  95   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  96
  97   ex.Reset("p0.1234");
  98   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
  99
 100   ex.Reset("p0.123456789ABCDEF0");
 101   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
 102
 103   ex.Reset("p1234.0");
 104   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
 105
 106   ex.Reset("p123456789ABCDEF0.0");
 107   EXPECT_EQ(ex.GetPidTid(100), std::nullopt);
 108
 109   // pure thread id
 110
 111   ex.Reset("-1");
 112   EXPECT_THAT(*ex.GetPidTid(100),
 113               ::testing::Pair(100, StringExtractorGDBRemote::AllThreads));
 114
 115   ex.Reset("1234");
 116   EXPECT_THAT(*ex.GetPidTid(100), ::testing::Pair(100, 0x1234ULL));
 117
 118   ex.Reset("123456789ABCDEF0");
 119   EXPECT_THAT(*ex.GetPidTid(100), ::testing::Pair(100, 0x123456789ABCDEF0ULL));
 120
 121   // pure process id
 122
 123   ex.Reset("p-1");
 124   EXPECT_THAT(*ex.GetPidTid(100),
 125               ::testing::Pair(StringExtractorGDBRemote::AllProcesses,
 126                               StringExtractorGDBRemote::AllThreads));
 127
 128   ex.Reset("p1234");
 129   EXPECT_THAT(*ex.GetPidTid(100),
 130               ::testing::Pair(0x1234ULL, StringExtractorGDBRemote::AllThreads));
 131
 132   ex.Reset("p123456789ABCDEF0");
 133   EXPECT_THAT(*ex.GetPidTid(100),
 134               ::testing::Pair(0x123456789ABCDEF0ULL,
 135                               StringExtractorGDBRemote::AllThreads));
 136
 137   ex.Reset("pFFFFFFFFFFFFFFFF");
 138   EXPECT_THAT(*ex.GetPidTid(100),
 139               ::testing::Pair(StringExtractorGDBRemote::AllProcesses,
 140                               StringExtractorGDBRemote::AllThreads));
 141
 142   // combined thread id + process id
 143
 144   ex.Reset("p-1.-1");
 145   EXPECT_THAT(*ex.GetPidTid(100),
 146               ::testing::Pair(StringExtractorGDBRemote::AllProcesses,
 147                               StringExtractorGDBRemote::AllThreads));
 148
 149   ex.Reset("p1234.-1");
 150   EXPECT_THAT(*ex.GetPidTid(100),
 151               ::testing::Pair(0x1234ULL, StringExtractorGDBRemote::AllThreads));
 152
 153   ex.Reset("p1234.123456789ABCDEF0");
 154   EXPECT_THAT(*ex.GetPidTid(100),
 155               ::testing::Pair(0x1234ULL, 0x123456789ABCDEF0ULL));
 156
 157   ex.Reset("p123456789ABCDEF0.-1");
 158   EXPECT_THAT(*ex.GetPidTid(100),
 159               ::testing::Pair(0x123456789ABCDEF0ULL,
 160                               StringExtractorGDBRemote::AllThreads));
 161
 162   ex.Reset("p123456789ABCDEF0.1234");
 163   EXPECT_THAT(*ex.GetPidTid(100),
 164               ::testing::Pair(0x123456789ABCDEF0ULL, 0x1234ULL));
 165
 166   ex.Reset("p123456789ABCDEF0.123456789ABCDEF0");
 167   EXPECT_THAT(*ex.GetPidTid(100),
 168               ::testing::Pair(0x123456789ABCDEF0ULL, 0x123456789ABCDEF0ULL));
 169
 170   ex.Reset("p123456789ABCDEF0.123456789ABCDEF0");
 171   EXPECT_THAT(*ex.GetPidTid(100),
 172               ::testing::Pair(0x123456789ABCDEF0ULL, 0x123456789ABCDEF0ULL));
 173 }
 174
 175 TEST(StringExtractorGDBRemoteTest, GetPidTidMultipleValues) {
 176   StringExtractorGDBRemote ex("1234;p12;p1234.-1");
 177   ASSERT_THAT(*ex.GetPidTid(100), ::testing::Pair(100, 0x1234ULL));
 178   ASSERT_EQ(ex.GetChar(), ';');
 179   ASSERT_THAT(*ex.GetPidTid(100),
 180               ::testing::Pair(0x12ULL, StringExtractorGDBRemote::AllThreads));
 181   ASSERT_EQ(ex.GetChar(), ';');
 182   ASSERT_THAT(*ex.GetPidTid(100),
 183               ::testing::Pair(0x1234ULL, StringExtractorGDBRemote::AllThreads));
 184 }