packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_locations/TestBreakpointLocations.py

   1 """
   2 Test breakpoint commands for a breakpoint ID with multiple locations.
   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 BreakpointLocationsTestCase(TestBase):
  17
  18     mydir = TestBase.compute_mydir(__file__)
  19
  20     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24528")
  21     def test(self):
  22         """Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
  23         self.build()
  24         self.breakpoint_locations_test()
  25
  26     def setUp(self):
  27         # Call super's setUp().
  28         TestBase.setUp(self)
  29         # Find the line number to break inside main().
  30         self.line = line_number('main.c', '// Set break point at this line.')
  31
  32     def breakpoint_locations_test(self):
  33         """Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
  34         exe = os.path.join(os.getcwd(), "a.out")
  35         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  36
  37         # This should create a breakpoint with 3 locations.
  38         lldbutil.run_break_set_by_file_and_line(
  39             self, "main.c", self.line, num_expected_locations=3)
  40
  41         # The breakpoint list should show 3 locations.
  42         self.expect(
  43             "breakpoint list -f",
  44             "Breakpoint locations shown correctly",
  45             substrs=[
  46                 "1: file = 'main.c', line = %d, exact_match = 0, locations = 3" %
  47                 self.line],
  48             patterns=[
  49                 "where = a.out`func_inlined .+unresolved, hit count = 0",
  50                 "where = a.out`main .+\[inlined\].+unresolved, hit count = 0"])
  51
  52         # The 'breakpoint disable 3.*' command should fail gracefully.
  53         self.expect("breakpoint disable 3.*",
  54                     "Disabling an invalid breakpoint should fail gracefully",
  55                     error=True,
  56                     startstr="error: '3' is not a valid breakpoint ID.")
  57
  58         # The 'breakpoint disable 1.*' command should disable all 3 locations.
  59         self.expect(
  60             "breakpoint disable 1.*",
  61             "All 3 breakpoint locatons disabled correctly",
  62             startstr="3 breakpoints disabled.")
  63
  64         # Run the program.
  65         self.runCmd("run", RUN_SUCCEEDED)
  66
  67         # We should not stopped on any breakpoint at all.
  68         self.expect("process status", "No stopping on any disabled breakpoint",
  69                     patterns=["^Process [0-9]+ exited with status = 0"])
  70
  71         # The 'breakpoint enable 1.*' command should enable all 3 breakpoints.
  72         self.expect(
  73             "breakpoint enable 1.*",
  74             "All 3 breakpoint locatons enabled correctly",
  75             startstr="3 breakpoints enabled.")
  76
  77         # The 'breakpoint disable 1.1' command should disable 1 location.
  78         self.expect(
  79             "breakpoint disable 1.1",
  80             "1 breakpoint locatons disabled correctly",
  81             startstr="1 breakpoints disabled.")
  82
  83         # Run the program againt.  We should stop on the two breakpoint
  84         # locations.
  85         self.runCmd("run", RUN_SUCCEEDED)
  86
  87         # Stopped once.
  88         self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
  89                     substrs=["stop reason = breakpoint 1."])
  90
  91         # Continue the program, there should be another stop.
  92         self.runCmd("process continue")
  93
  94         # Stopped again.
  95         self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
  96                     substrs=["stop reason = breakpoint 1."])
  97
  98         # At this point, 1.1 has a hit count of 0 and the other a hit count of
  99         # 1".
 100         self.expect(
 101             "breakpoint list -f",
 102             "The breakpoints should report correct hit counts",
 103             patterns=[
 104                 "1\.1: .+ unresolved, hit count = 0 +Options: disabled",
 105                 "1\.2: .+ resolved, hit count = 1",
 106                 "1\.3: .+ resolved, hit count = 1"])