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"""
Test lldb breakpoint command add/list/remove.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class BreakpointCommandTestCase(TestBase):
mydir = "breakpoint_command"
@classmethod
def classCleanup(cls):
system(["/bin/sh", "-c", "rm -f output.txt"])
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym(self):
"""Test a sequence of breakpoint command add, list, and remove."""
self.buildDsym()
self.breakpoint_command_sequence()
def test_with_dwarf(self):
"""Test a sequence of breakpoint command add, list, and remove."""
self.buildDwarf()
self.breakpoint_command_sequence()
def breakpoint_command_sequence(self):
"""Test a sequence of breakpoint command add, list, and remove."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add two breakpoints on the same line.
self.expect("breakpoint set -f main.c -l 12", BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.c', line = 12, locations = 1")
self.expect("breakpoint set -f main.c -l 12", BREAKPOINT_CREATED,
startstr = "Breakpoint created: 2: file ='main.c', line = 12, locations = 1")
# Now add callbacks for the breakpoints just created.
self.runCmd("breakpoint command add -c -o 'frame variable -s' 1")
self.runCmd("breakpoint command add -p -o 'here = open(\"output.txt\", \"w\"); print >> here, \"lldb\"; here.close()' 2")
# Check that the breakpoint commands are correctly set.
# The breakpoint list now only contains breakpoint 1.
self.expect("breakpoint list", "Breakpoints 1 & 2 created",
substrs = ["1: file ='main.c', line = 12, locations = 1",
"2: file ='main.c', line = 12, locations = 1"],
patterns = ["1.1: .+at main.c:12, .+unresolved, hit count = 0",
"2.1: .+at main.c:12, .+unresolved, hit count = 0"])
self.expect("breakpoint command list 1", "Breakpoint 1 command ok",
substrs = ["Breakpoint commands:",
"frame variable -s"])
self.expect("breakpoint command list 2", "Breakpoint 2 command ok",
substrs = ["Breakpoint commands:",
"here = open",
"print >> here",
"here.close()"])
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# Check that the file 'output.txt' exists and contains the string "lldb".
# Read the output file produced by running the program.
output = open('output.txt', 'r').read()
self.assertTrue(output.startswith("lldb"),
"File 'output.txt' and the content matches")
# Finish the program.
self.runCmd("process continue")
# Remove the breakpoint command associated with breakpoint 1.
self.runCmd("breakpoint command remove 1")
# Remove breakpoint 2.
self.runCmd("breakpoint delete 2")
self.expect("breakpoint command list 1",
startstr = "Breakpoint 1 does not have an associated command.")
self.expect("breakpoint command list 2", error=True,
startstr = "error: '2' is not a currently valid breakpoint id.")
# The breakpoint list now only contains breakpoint 1.
self.expect("breakpoint list", "Breakpoint 1 exists",
substrs = ["1: file ='main.c', line = 12, locations = 1, resolved = 1",
"hit count = 1"])
# Not breakpoint 2.
self.expect("breakpoint list", "No more breakpoint 2", matching=False,
substrs = ["2: file ='main.c', line = 12, locations = 1, resolved = 1"])
# Run the program again, with breakpoint 1 remaining.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to breakpoint 1.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['state is Stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 2.
self.expect("breakpoint list", BREAKPOINT_HIT_TWICE,
substrs = ['resolved, hit count = 2'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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