packages/Python/lldbsuite/test/functionalities/set-data/TestSetData.py

   1 """
   2 Set the contents of variables and registers using raw data
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import time
  10 import lldb
  11 from lldbsuite.test.decorators import *
  12 from lldbsuite.test.lldbtest import *
  13 from lldbsuite.test import lldbutil
  14
  15
  16 class SetDataTestCase(TestBase):
  17
  18     mydir = TestBase.compute_mydir(__file__)
  19
  20     @skipUnlessDarwin
  21     def test_set_data(self):
  22         """Test setting the contents of variables and registers using raw data."""
  23         self.build()
  24         exe = os.path.join(os.getcwd(), "a.out")
  25         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  26
  27         self.runCmd("br s -p First")
  28         self.runCmd("br s -p Second")
  29
  30         self.runCmd("run", RUN_SUCCEEDED)
  31
  32         self.expect("p myFoo.x", VARIABLES_DISPLAYED_CORRECTLY,
  33                     substrs=['2'])
  34
  35         process = self.dbg.GetSelectedTarget().GetProcess()
  36         frame = process.GetSelectedThread().GetFrameAtIndex(0)
  37
  38         x = frame.FindVariable("myFoo").GetChildMemberWithName("x")
  39
  40         my_data = lldb.SBData.CreateDataFromSInt32Array(
  41             lldb.eByteOrderLittle, 8, [4])
  42         err = lldb.SBError()
  43
  44         self.assertTrue(x.SetData(my_data, err))
  45
  46         self.runCmd("continue")
  47
  48         self.expect("p myFoo.x", VARIABLES_DISPLAYED_CORRECTLY,
  49                     substrs=['4'])
  50
  51         frame = process.GetSelectedThread().GetFrameAtIndex(0)
  52
  53         x = frame.FindVariable("string")
  54
  55         if process.GetAddressByteSize() == 8:
  56             my_data = lldb.SBData.CreateDataFromUInt64Array(
  57                 process.GetByteOrder(), 8, [0])
  58         else:
  59             my_data = lldb.SBData.CreateDataFromUInt32Array(
  60                 process.GetByteOrder(), 4, [0])
  61
  62         err = lldb.SBError()
  63
  64         self.assertTrue(x.SetData(my_data, err))
  65
  66         self.expect(
  67             "fr var -d run-target string",
  68             VARIABLES_DISPLAYED_CORRECTLY,
  69             substrs=[
  70                 'NSString *',
  71                 'nil'])