llvm-project/lldb/test/hello_world/TestHelloWorld.py

83 lines
2.8 KiB
Python

"""Test Python APIs for target, breakpoint, and process."""
import os, sys, time
import unittest2
import lldb
from lldbtest import *
class HelloWorldTestCase(TestBase):
mydir = "hello_world"
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym_and_run_command(self):
"""Create target, breakpoint, launch a process, and then kill it.
Use dsym info and lldb "run" command.
"""
self.buildDsym()
self.hello_world_python(useLaunchAPI = False)
@unittest2.expectedFailure
def test_with_dwarf_and_process_launch_api(self):
"""Create target, breakpoint, launch a process, and then kill it.
Use dwarf map (no dsym) and process launch API.
"""
self.buildDwarf()
self.hello_world_python(useLaunchAPI = True)
def hello_world_python(self, useLaunchAPI):
"""Create target, breakpoint, launch a process, and then kill it."""
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
breakpoint = target.BreakpointCreateByLocation("main.c", 4)
# The default state after breakpoint creation should be enabled.
self.assertTrue(breakpoint.IsEnabled(),
"Breakpoint should be enabled after creation")
breakpoint.SetEnabled(False)
self.assertTrue(not breakpoint.IsEnabled(),
"Breakpoint.SetEnabled(False) works")
breakpoint.SetEnabled(True)
self.assertTrue(breakpoint.IsEnabled(),
"Breakpoint.SetEnabled(True) works")
# rdar://problem/8364687
# SBTarget.LaunchProcess() issue (or is there some race condition)?
if useLaunchAPI:
process = target.LaunchProcess([''], [''], os.ctermid(), 0, False)
# Apply some dances after LaunchProcess() in order to break at "main".
# It only works sometimes.
self.breakAfterLaunch(process, "main")
else:
# On the other hand, the following line of code are more reliable.
self.runCmd("run", setCookie=False)
#self.runCmd("thread backtrace")
#self.runCmd("breakpoint list")
#self.runCmd("thread list")
self.process = target.GetProcess()
self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
thread = self.process.GetThreadAtIndex(0)
self.assertTrue(thread.GetStopReason() == StopReasonEnum("Breakpoint"),
STOPPED_DUE_TO_BREAKPOINT)
# The breakpoint should have a hit count of 1.
self.assertTrue(breakpoint.GetHitCount() == 1, BREAKPOINT_HIT_ONCE)
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()