blob: fa32b37bd38757c6252db3210ded9fe9a913c61f [file] [log] [blame]
"""
Test watchpoint list, enable, disable, and delete commands.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class WatchpointCommandsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Our simple source filename.
self.source = 'main.c'
# Find the line number to break inside main().
self.line = line_number(self.source, '// Set break point at this line.')
self.line2 = line_number(self.source, '// Set 2nd break point for disable_then_enable test case.')
# And the watchpoint variable declaration line number.
self.decl = line_number(self.source, '// Watchpoint variable declaration.')
# Build dictionary to have unique executable names for each test method.
self.exe_name = self.testMethodName
self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name}
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_rw_watchpoint_with_dsym(self):
"""Test read_write watchpoint and expect to stop two times."""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.normal_read_write_watchpoint()
@dwarf_test
def test_rw_watchpoint_with_dwarf(self):
"""Test read_write watchpoint and expect to stop two times."""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.normal_read_write_watchpoint()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_rw_watchpoint_delete_with_dsym(self):
"""Test delete watchpoint and expect not to stop for watchpoint."""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.delete_read_write_watchpoint()
@dwarf_test
def test_rw_watchpoint_delete_with_dwarf(self):
"""Test delete watchpoint and expect not to stop for watchpoint."""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.delete_read_write_watchpoint()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_rw_watchpoint_set_ignore_count_with_dsym(self):
"""Test watchpoint ignore count and expect to not to stop at all."""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.ignore_read_write_watchpoint()
@dwarf_test
def test_rw_watchpoint_set_ignore_count_with_dwarf(self):
"""Test watchpoint ignore count and expect to not to stop at all."""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.ignore_read_write_watchpoint()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_rw_disable_after_first_stop_with_dsym(self):
"""Test read_write watchpoint but disable it after the first stop."""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.read_write_watchpoint_disable_after_first_stop()
@dwarf_test
def test_rw_disable_after_first_stop__with_dwarf(self):
"""Test read_write watchpoint but disable it after the first stop."""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.read_write_watchpoint_disable_after_first_stop()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_rw_disable_then_enable_with_dsym(self):
"""Test read_write watchpoint, disable initially, then enable it."""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.read_write_watchpoint_disable_then_enable()
@dwarf_test
def test_rw_disable_then_enable_with_dwarf(self):
"""Test read_write watchpoint, disable initially, then enable it."""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.read_write_watchpoint_disable_then_enable()
def normal_read_write_watchpoint(self):
"""Do read_write watchpoint and expect to stop two times."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 0 initially.
self.expect("watchpoint list -v",
substrs = ['Number of supported hardware watchpoints:',
'hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should now be 2.
self.expect("watchpoint list -v",
substrs = ['hit_count = 2'])
def delete_read_write_watchpoint(self):
"""Do delete watchpoint immediately and expect not to stop for watchpoint."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Delete the watchpoint immediately, but set auto-confirm to true first.
self.runCmd("settings set auto-confirm true")
self.expect("watchpoint delete",
substrs = ['All watchpoints removed.'])
# Restore the original setting of auto-confirm.
self.runCmd("settings clear auto-confirm")
# Use the '-v' option to do verbose listing of the watchpoint.
self.runCmd("watchpoint list -v")
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
def ignore_read_write_watchpoint(self):
"""Test watchpoint ignore count and expect to not to stop at all."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Set the ignore count of the watchpoint immediately.
self.expect("watchpoint ignore -i 2",
substrs = ['All watchpoints ignored.'])
# Use the '-v' option to do verbose listing of the watchpoint.
# Expect to find an ignore_count of 2.
self.expect("watchpoint list -v",
substrs = ['hit_count = 0', 'ignore_count = 2'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# Expect to find a hit_count of 2 as well.
self.expect("watchpoint list -v",
substrs = ['hit_count = 2', 'ignore_count = 2'])
def read_write_watchpoint_disable_after_first_stop(self):
"""Do read_write watchpoint but disable it after the first stop."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, "main.m")
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 0 initially.
self.expect("watchpoint list -v",
substrs = ['Number of supported hardware watchpoints:',
'hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should now be 2.
self.expect("watchpoint list -v",
substrs = ['hit_count = 2'])
def delete_read_write_watchpoint(self):
"""Do delete watchpoint immediately and expect not to stop for watchpoint."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Delete the watchpoint immediately, but set auto-confirm to true first.
self.runCmd("settings set auto-confirm true")
self.expect("watchpoint delete",
substrs = ['All watchpoints removed.'])
# Restore the original setting of auto-confirm.
self.runCmd("settings clear auto-confirm")
# Use the '-v' option to do verbose listing of the watchpoint.
self.runCmd("watchpoint list -v")
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
def ignore_read_write_watchpoint(self):
"""Test watchpoint ignore count and expect to not to stop at all."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Set the ignore count of the watchpoint immediately.
self.expect("watchpoint ignore -i 2",
substrs = ['All watchpoints ignored.'])
# Use the '-v' option to do verbose listing of the watchpoint.
# Expect to find an ignore_count of 2.
self.expect("watchpoint list -v",
substrs = ['hit_count = 0', 'ignore_count = 2'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# Expect to find a hit_count of 2 as well.
self.expect("watchpoint list -v",
substrs = ['hit_count = 2', 'ignore_count = 2'])
def read_write_watchpoint_disable_after_first_stop(self):
"""Do read_write watchpoint but disable it after the first stop."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 0 initially.
self.expect("watchpoint list -v",
substrs = ['state = enabled', 'hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
# Before continuing, we'll disable the watchpoint, which means we won't
# stop again after this.
self.runCmd("watchpoint disable")
self.expect("watchpoint list -v",
substrs = ['state = disabled', 'hit_count = 1'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 1.
self.expect("watchpoint list -v",
substrs = ['hit_count = 1'])
def read_write_watchpoint_disable_then_enable(self):
"""Do read_write watchpoint, disable initially, then enable it."""
exe = os.path.join(os.getcwd(), self.exe_name)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
lldbutil.run_break_set_by_file_and_line (self, None, self.line2, num_expected_locations=1)
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should be stopped again due to the breakpoint.
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Now let's set a read_write-type watchpoint for 'global'.
# There should be two watchpoint hits (see main.c).
self.expect("watchpoint set variable -w read_write global", WATCHPOINT_CREATED,
substrs = ['Watchpoint created', 'size = 4', 'type = rw',
'%s:%d' % (self.source, self.decl)])
# Immediately, we disable the watchpoint. We won't be stopping due to a
# watchpoint after this.
self.runCmd("watchpoint disable")
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 0 initially.
self.expect("watchpoint list -v",
substrs = ['state = disabled', 'hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the breakpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stop reason = breakpoint'])
# Before continuing, we'll enable the watchpoint, which means we will
# stop again after this.
self.runCmd("watchpoint enable")
self.expect("watchpoint list -v",
substrs = ['state = enabled', 'hit_count = 0'])
self.runCmd("process continue")
# We should be stopped again due to the watchpoint (read_write type).
# The stop reason of the thread should be watchpoint.
self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
substrs = ['stop reason = watchpoint'])
self.runCmd("process continue")
# There should be no more watchpoint hit and the process status should
# be 'exited'.
self.expect("process status",
substrs = ['exited'])
# Use the '-v' option to do verbose listing of the watchpoint.
# The hit count should be 1.
self.expect("watchpoint list -v",
substrs = ['hit_count = 1'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()