testsuite/systemtap.base/ctime.stp

   1 # Note this test is written in a bit of an odd way. In systemtap 2.2
   2 # and above, ctime will raise an error. For systemtap versions before
   3 # 2.2, ctime returned one of three error strings. Map those error
   4 # strings to one error.
   5
   6 probe begin
   7 {
   8         // epoch
   9         println(ctime(0))
  10
  11         // epoch - 1
  12         println(ctime(-1))
  13
  14         // epoch + 1
  15         println(ctime(1))
  16
  17         // Some funny numbers
  18         println(ctime(100000000))
  19         println(ctime(1234567890))
  20         println(ctime(1073741824))
  21         println(ctime(0x50000000))
  22
  23         // some time really long ago
  24         secspermin = 60
  25         minsperhour = 60
  26         hoursperday = 24
  27         secsperhour = secspermin * minsperhour
  28         secsperday = secsperhour * hoursperday
  29         epoch_year = 1970
  30         time = -1 * (epoch_year - 1000) * 365 * secsperday
  31         try {
  32                 result = ctime(time)
  33                 if (result == "far far in the future..."
  34                     || result == "a long, long time ago..."
  35                     || result == "<invalid time>")
  36                         println("conversion error")
  37                 else
  38                         println(result)
  39         } catch {
  40                 println("conversion error")
  41         }
  42         // some time in the far future
  43         time = (9999 - epoch_year) * 365 * secsperday
  44         try {
  45                 result = ctime(time)
  46                 if (result == "far far in the future..."
  47                     || result == "a long, long time ago..."
  48                     || result == "<invalid time>")
  49                         println("conversion error")
  50                 else
  51                         println(result)
  52         } catch {
  53                 println("conversion error")
  54         }
  55
  56         // min 32 bit
  57         time = -2147483648
  58         println(ctime(time))
  59
  60         // over the edge, a long, long time ago...
  61         time--
  62         try {
  63                 result = ctime(time)
  64                 if (result == "far far in the future..."
  65                     || result == "a long, long time ago..."
  66                     || result == "<invalid time>")
  67                         println("conversion error")
  68                 else
  69                         println(result)
  70         } catch {
  71                 println("conversion error")
  72         }
  73
  74         // max 32 bit
  75         time = 2147483647
  76         println(ctime(time))
  77
  78         // over the edge, far far in the future...
  79         time++
  80         try {
  81                 result = ctime(time)
  82                 if (result == "far far in the future..."
  83                     || result == "a long, long time ago..."
  84                     || result == "<invalid time>")
  85                         println("conversion error")
  86                 else
  87                         println(result)
  88         } catch {
  89                 println("conversion error")
  90         }
  91
  92         // min 64 bit
  93         try {
  94                 result = ctime(-9223372036854775808)
  95                 if (result == "far far in the future..."
  96                     || result == "a long, long time ago..."
  97                     || result == "<invalid time>")
  98                         println("conversion error")
  99                 else
 100                         println(result)
 101         } catch {
 102                 println("conversion error")
 103         }
 104
 105         // max 64 bit
 106         try {
 107                 result = ctime(9223372036854775807)
 108                 if (result == "far far in the future..."
 109                     || result == "a long, long time ago..."
 110                     || result == "<invalid time>")
 111                         println("conversion error")
 112                 else
 113                         println(result)
 114         } catch {
 115                 println("conversion error")
 116         }
 117
 118         exit()
 119 }