a7dfb665e3
it to print the old and new values. Temporarily disable the "out of scope" checking since it didn't work correctly, and was not what people generally expected watchpoints to be doing. llvm-svn: 166472
101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
"""
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Test 'watchpoint command'.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class WatchpointPythonCommandTestCase(TestBase):
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mydir = os.path.join("functionalities", "watchpoint", "watchpoint_commands", "command")
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Our simple source filename.
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self.source = 'main.cpp'
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# Find the line number to break inside main().
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self.line = line_number(self.source, '// Set break point at this line.')
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# And the watchpoint variable declaration line number.
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self.decl = line_number(self.source, '// Watchpoint variable declaration.')
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# Build dictionary to have unique executable names for each test method.
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self.exe_name = self.testMethodName
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self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_watchpoint_command_with_dsym(self):
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"""Test 'watchpoint command'."""
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self.buildDsym(dictionary=self.d)
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self.setTearDownCleanup(dictionary=self.d)
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self.watchpoint_command()
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@dwarf_test
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def test_watchpoint_command_with_dwarf(self):
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"""Test 'watchpoint command'."""
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self.buildDwarf(dictionary=self.d)
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self.setTearDownCleanup(dictionary=self.d)
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self.watchpoint_command()
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def watchpoint_command(self):
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"""Do 'watchpoint command add'."""
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exe = os.path.join(os.getcwd(), self.exe_name)
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
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lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=1)
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# self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED,
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# startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" %
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# (self.source, self.line))#
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# We should be stopped again due to the breakpoint.
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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# Now let's set a write-type watchpoint for 'global'.
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self.expect("watchpoint set variable -w write global", WATCHPOINT_CREATED,
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substrs = ['Watchpoint created', 'size = 4', 'type = w',
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'%s:%d' % (self.source, self.decl)])
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self.runCmd('watchpoint command add -s python 1 -o \'frame.EvaluateExpression("cookie = 777")\'')
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# List the watchpoint command we just added.
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self.expect("watchpoint command list 1",
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substrs = ['frame.EvaluateExpression', 'cookie = 777'])
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# Use the '-v' option to do verbose listing of the watchpoint.
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# The hit count should be 0 initially.
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self.expect("watchpoint list -v",
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substrs = ['hit_count = 0'])
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self.runCmd("process continue")
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# We should be stopped again due to the watchpoint (write type).
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# The stop reason of the thread should be watchpoint.
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self.expect("thread backtrace", STOPPED_DUE_TO_WATCHPOINT,
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substrs = ['stop reason = watchpoint'])
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# Check that the watchpoint snapshoting mechanism is working.
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self.expect("watchpoint list -v",
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substrs = ['old value:', ' = 0',
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'new value:', ' = 1'])
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# The watchpoint command "forced" our global variable 'cookie' to become 777.
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self.expect("frame variable -g cookie",
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substrs = ['(int32_t)', 'cookie = 777'])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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