Home | History | Annotate | Download | only in blocks 
      1 """Test that lldb can invoke blocks and access variables inside them"""
      2 
      3 import os, time
      4 import unittest2
      5 import lldb
      6 from lldbtest import *
      7 import lldbutil
      8 
      9 class AnonymousTestCase(TestBase):
     10 
     11     mydir = os.path.join("lang", "c", "blocks")
     12     lines = []
     13 
     14     @unittest2.expectedFailure
     15     @dsym_test
     16     def test_expr_with_dsym(self):
     17         self.buildDsym()
     18         self.expr()
     19 
     20     @unittest2.expectedFailure
     21     @dwarf_test
     22     def test_expr_with_dwarf(self):
     23         self.buildDwarf()
     24         self.expr()
     25 
     26     def setUp(self):
     27         # Call super's setUp().
     28         TestBase.setUp(self)
     29         # Find the line numbers to break at.
     30         self.lines.append(line_number('main.c', '// Set breakpoint 0 here.'))
     31         self.lines.append(line_number('main.c', '// Set breakpoint 1 here.'))
     32 
     33     def common_setup(self):
     34         exe = os.path.join(os.getcwd(), "a.out")
     35         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
     36 
     37 	self.is_started = False
     38 
     39         # Break inside the foo function which takes a bar_ptr argument.
     40 	for line in self.lines:
     41             lldbutil.run_break_set_by_file_and_line (self, "main.c", line, num_expected_locations=1, loc_exact=True)
     42 
     43     def wait_for_breakpoint(self):
     44         if self.is_started == False:
     45             self.is_started = True
     46             self.runCmd("process launch", RUN_SUCCEEDED)
     47         else:
     48             self.runCmd("process continue", RUN_SUCCEEDED)
     49 
     50         # The stop reason of the thread should be breakpoint.
     51         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
     52             substrs = ['stopped',
     53                        'stop reason = breakpoint'])
     54 
     55     def expr(self):
     56         self.common_setup()
     57 
     58         self.wait_for_breakpoint()
     59 
     60         self.expect("expression a + b", VARIABLES_DISPLAYED_CORRECTLY,
     61             substrs = ["= 7"])
     62 
     63         self.expect("expression c", VARIABLES_DISPLAYED_CORRECTLY,
     64             substrs = ["= 1"])
     65 
     66         self.wait_for_breakpoint()
     67 
     68         # This should display correctly.
     69         self.expect("expression (int)neg (-12)", VARIABLES_DISPLAYED_CORRECTLY,
     70             substrs = ["= 12"])
     71             
     72 if __name__ == '__main__':
     73     import atexit
     74     lldb.SBDebugger.Initialize()
     75     atexit.register(lambda: lldb.SBDebugger.Terminate())
     76     unittest2.main()
     77