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