packages/Python/lldbsuite/test/lang/cpp/stl/TestSTL.py

   1 """
   2 Test some expressions involving STL data types.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import unittest2
   9 import os
  10 import time
  11 import lldb
  12 from lldbsuite.test.decorators import *
  13 from lldbsuite.test.lldbtest import *
  14 from lldbsuite.test import lldbutil
  15
  16
  17 class STLTestCase(TestBase):
  18
  19     mydir = TestBase.compute_mydir(__file__)
  20
  21     def setUp(self):
  22         # Call super's setUp().
  23         TestBase.setUp(self)
  24         # Find the line number to break inside main().
  25         self.source = 'main.cpp'
  26         self.line = line_number(
  27             self.source, '// Set break point at this line.')
  28
  29     @expectedFailureAll(bugnumber="rdar://problem/10400981")
  30     def test(self):
  31         """Test some expressions involving STL data types."""
  32         self.build()
  33         exe = os.path.join(os.getcwd(), "a.out")
  34
  35         # The following two lines, if uncommented, will enable loggings.
  36         #self.ci.HandleCommand("log enable -f /tmp/lldb.log lldb default", res)
  37         # self.assertTrue(res.Succeeded())
  38
  39         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  40
  41         # rdar://problem/8543077
  42         # test/stl: clang built binaries results in the breakpoint locations = 3,
  43         # is this a problem with clang generated debug info?
  44         lldbutil.run_break_set_by_file_and_line(
  45             self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
  46
  47         self.runCmd("run", RUN_SUCCEEDED)
  48
  49         # Stop at 'std::string hello_world ("Hello World!");'.
  50         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  51                     substrs=['main.cpp:%d' % self.line,
  52                              'stop reason = breakpoint'])
  53
  54         # The breakpoint should have a hit count of 1.
  55         self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
  56                     substrs=[' resolved, hit count = 1'])
  57
  58         # Now try some expressions....
  59
  60         self.runCmd(
  61             'expr for (int i = 0; i < hello_world.length(); ++i) { (void)printf("%c\\n", hello_world[i]); }')
  62
  63         # rdar://problem/10373783
  64         # rdar://problem/10400981
  65         self.expect('expr associative_array.size()',
  66                     substrs=[' = 3'])
  67         self.expect('expr associative_array.count(hello_world)',
  68                     substrs=[' = 1'])
  69         self.expect('expr associative_array[hello_world]',
  70                     substrs=[' = 1'])
  71         self.expect('expr associative_array["hello"]',
  72                     substrs=[' = 2'])
  73
  74     @expectedFailureAll(
  75         compiler="icc",
  76         bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_template_type_parameter.")
  77     @add_test_categories(['pyapi'])
  78     def test_SBType_template_aspects(self):
  79         """Test APIs for getting template arguments from an SBType."""
  80         self.build()
  81         exe = os.path.join(os.getcwd(), 'a.out')
  82
  83         # Create a target by the debugger.
  84         target = self.dbg.CreateTarget(exe)
  85         self.assertTrue(target, VALID_TARGET)
  86
  87         # Create the breakpoint inside function 'main'.
  88         breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
  89         self.assertTrue(breakpoint, VALID_BREAKPOINT)
  90
  91         # Now launch the process, and do not stop at entry point.
  92         process = target.LaunchSimple(
  93             None, None, self.get_process_working_directory())
  94         self.assertTrue(process, PROCESS_IS_VALID)
  95
  96         # Get Frame #0.
  97         self.assertTrue(process.GetState() == lldb.eStateStopped)
  98         thread = lldbutil.get_stopped_thread(
  99             process, lldb.eStopReasonBreakpoint)
 100         self.assertTrue(
 101             thread.IsValid(),
 102             "There should be a thread stopped due to breakpoint condition")
 103         frame0 = thread.GetFrameAtIndex(0)
 104
 105         # Get the type for variable 'associative_array'.
 106         associative_array = frame0.FindVariable('associative_array')
 107         self.DebugSBValue(associative_array)
 108         self.assertTrue(associative_array, VALID_VARIABLE)
 109         map_type = associative_array.GetType()
 110         self.DebugSBType(map_type)
 111         self.assertTrue(map_type, VALID_TYPE)
 112         num_template_args = map_type.GetNumberOfTemplateArguments()
 113         self.assertTrue(num_template_args > 0)
 114
 115         # We expect the template arguments to contain at least 'string' and
 116         # 'int'.
 117         expected_types = {'string': False, 'int': False}
 118         for i in range(num_template_args):
 119             t = map_type.GetTemplateArgumentType(i)
 120             self.DebugSBType(t)
 121             self.assertTrue(t, VALID_TYPE)
 122             name = t.GetName()
 123             if 'string' in name:
 124                 expected_types['string'] = True
 125             elif 'int' == name:
 126                 expected_types['int'] = True
 127
 128         # Check that both entries of the dictionary have 'True' as the value.
 129         self.assertTrue(all(expected_types.values()))