llvm-project/lldb/test/breakpoint_locations/TestBreakpointLocations.py

99 lines
4.0 KiB
Python

"""
Test breakpoint commands for a breakpoint ID with multiple locations.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class BreakpointLocationsTestCase(TestBase):
mydir = "breakpoint_locations"
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
self.buildDsym()
self.breakpoint_locations_test()
def test_with_dwarf(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
self.buildDwarf()
self.breakpoint_locations_test()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', '// Set break point at this line.')
def breakpoint_locations_test(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# This should create a breakpoint with 3 locations.
self.expect("breakpoint set -f main.c -l %d" % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 3" %
self.line)
# The breakpoint list should show 3 locations.
self.expect("breakpoint list -f", "Breakpoint locations shown correctly",
substrs = ["1: file ='main.c', line = %d, locations = 3" % self.line],
patterns = ["where = a.out`func_inlined .+unresolved, hit count = 0",
"where = a.out`main .+\[inlined\].+unresolved, hit count = 0"])
# The 'breakpoint disable 3.*' command should fail gracefully.
self.expect("breakpoint disable 3.*",
"Disabling an invalid breakpoint should fail gracefully",
error=True,
startstr = "error: '3' is not a valid breakpoint ID.")
# The 'breakpoint disable 1.*' command should disable all 3 locations.
self.expect("breakpoint disable 1.*", "All 3 breakpoint locatons disabled correctly",
startstr = "3 breakpoints disabled.")
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should not stopped on any breakpoint at all.
self.expect("process status", "No stopping on any disabled breakpoint",
patterns = ["^Process [0-9]+ exited with status = 0"])
# The 'breakpoint enable 1.*' command should enable all 3 breakpoints.
self.expect("breakpoint enable 1.*", "All 3 breakpoint locatons enabled correctly",
startstr = "3 breakpoints enabled.")
# The 'breakpoint disable 1.1' command should disable 1 location.
self.expect("breakpoint disable 1.1", "1 breakpoint locatons disabled correctly",
startstr = "1 breakpoints disabled.")
# Run the program againt. We should stop on the two breakpoint locations.
self.runCmd("run", RUN_SUCCEEDED)
# Stopped once.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs = ["stop reason = breakpoint 1."])
# 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."])
# At this point, 1.1 has a hit count of 0 and the other a hit count of 1".
self.expect("breakpoint list -f", "The breakpoints should report correct hit counts",
patterns = ["1\.1: .+ unresolved, hit count = 0 +Options: disabled",
"1\.2: .+ resolved, hit count = 1",
"1\.3: .+ resolved, hit count = 1"])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()