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"""
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)
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