Files
clang-p2996/lldb/test/API/functionalities/dead-strip/TestDeadStrip.py
Dave Lee 4cc8f2a017 [lldb][tests] Automatically call compute_mydir (NFC)
Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077
2022-06-17 14:34:49 -07:00

55 lines
1.9 KiB
Python

"""
Test that breakpoint works correctly in the presence of dead-code stripping.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class DeadStripTestCase(TestBase):
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr44429")
def test(self):
"""Test breakpoint works correctly with dead-code stripping."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break by function name f1 (live code).
lldbutil.run_break_set_by_symbol(
self, "f1", num_expected_locations=1, module_name="a.out")
# Break by function name f2 (dead code).
lldbutil.run_break_set_by_symbol(
self, "f2", num_expected_locations=0, module_name="a.out")
# Break by function name f3 (live code).
lldbutil.run_break_set_by_symbol(
self, "f3", num_expected_locations=1, module_name="a.out")
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint (breakpoint #1).
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'a.out`f1',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
self.runCmd("continue")
# The stop reason of the thread should be breakpoint (breakpoint #3).
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'a.out`f3',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 3, expected_hit_count = 1)