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"""
Test breakpoint command for different options.
"""
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class BreakpointOptionsTestCase(TestBase):
def test(self):
"""Test breakpoint command for different options."""
self.build()
self.breakpoint_options_test()
self.breakpoint_options_language_test()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number("main.cpp", "// Set break point at this line.")
def breakpoint_options_test(self):
"""Test breakpoint command for different options."""
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint with 1 locations.
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, extra_options="-K 1", num_expected_locations=1
)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, extra_options="-K 0", num_expected_locations=1
)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Stopped once.
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 2."],
)
# Check the list of breakpoint.
self.expect(
"breakpoint list -f",
"Breakpoint locations shown correctly",
substrs=[
"1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
% self.line,
"2: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
% self.line,
],
)
# Continue the program, there should be another stop.
self.runCmd("process continue")
# Stopped again.
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."],
)
# Continue the program, we should exit.
self.runCmd("process continue")
# We should exit.
self.expect(
"process status",
"Process exited successfully",
patterns=["^Process [0-9]+ exited with status = 0"],
)
def breakpoint_options_language_test(self):
"""Test breakpoint command for language option."""
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint with 1 locations.
bp_id = lldbutil.run_break_set_by_symbol(
self,
"ns::func",
sym_exact=False,
extra_options="-L c++",
num_expected_locations=1,
)
location = self.target().FindBreakpointByID(bp_id).GetLocationAtIndex(0)
function = location.GetAddress().GetFunction()
self.expect(
"breakpoint list -v",
"Verbose breakpoint list contains mangled names",
# The demangled function name is system-dependent, e.g.
# 'int ns::func(void)' on Windows and 'ns::func()' on Linux.
substrs=[
f"function = {function.GetName()}",
f"mangled function = {function.GetMangledName()}",
],
)
# This should create a breakpoint with 0 locations.
lldbutil.run_break_set_by_symbol(
self,
"ns::func",
sym_exact=False,
extra_options="-L c",
num_expected_locations=0,
)
self.runCmd("settings set target.language c")
lldbutil.run_break_set_by_symbol(
self, "ns::func", sym_exact=False, num_expected_locations=0
)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Stopped once.
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."],
)
# Continue the program, we should exit.
self.runCmd("process continue")
# We should exit.
self.expect(
"process status",
"Process exited successfully",
patterns=["^Process [0-9]+ exited with status = 0"],
)
|
