forked from OSchip/llvm-project
96 lines
3.9 KiB
Python
96 lines
3.9 KiB
Python
"""
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Test that dynamic values update their child count correctly
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"""
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import os, time
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import re
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import unittest2
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import lldb, lldbutil
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from lldbtest import *
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class DynamicValueChildCountTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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@python_api_test
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@dsym_test
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@expectedFailurei386("to be figured out")
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def test_get_dynamic_vals_with_dsym(self):
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"""Test fetching C++ dynamic values from pointers & references."""
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self.buildDsym(dictionary=self.getBuildFlags())
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self.do_get_dynamic_vals()
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@expectedFailureLinux("llvm.org/pr23039")
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@expectedFailureFreeBSD("llvm.org/pr19311") # continue at a breakpoint does not work
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@python_api_test
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@dwarf_test
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@expectedFailurei386("to be figured out")
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def test_get_dynamic_vals_with_dwarf(self):
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"""Test fetching C++ dynamic values from pointers & references."""
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self.buildDwarf(dictionary=self.getBuildFlags())
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self.do_get_dynamic_vals()
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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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# Find the line number to break for main.c.
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self.main_third_call_line = line_number('pass-to-base.cpp',
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'// Break here and check b has 0 children')
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self.main_fourth_call_line = line_number('pass-to-base.cpp',
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'// Break here and check b still has 0 children')
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self.main_fifth_call_line = line_number('pass-to-base.cpp',
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'// Break here and check b has one child now')
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self.main_sixth_call_line = line_number('pass-to-base.cpp',
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'// Break here and check b has 0 children again')
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def do_get_dynamic_vals(self):
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"""Get argument vals for the call stack when stopped on a breakpoint."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target from the debugger.
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target = self.dbg.CreateTarget (exe)
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self.assertTrue(target, VALID_TARGET)
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# Set up our breakpoints:
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third_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_third_call_line)
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self.assertTrue(third_call_bpt,
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VALID_BREAKPOINT)
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fourth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fourth_call_line)
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self.assertTrue(fourth_call_bpt,
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VALID_BREAKPOINT)
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fifth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fifth_call_line)
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self.assertTrue(fifth_call_bpt,
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VALID_BREAKPOINT)
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sixth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_sixth_call_line)
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self.assertTrue(sixth_call_bpt,
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VALID_BREAKPOINT)
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# Now launch the process, and do not stop at the entry point.
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process.GetState() == lldb.eStateStopped,
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PROCESS_STOPPED)
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b = self.frame().FindVariable("b").GetDynamicValue(lldb.eDynamicCanRunTarget)
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self.assertTrue(b.GetNumChildren() == 0, "b has 0 children")
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self.runCmd("continue")
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self.assertTrue(b.GetNumChildren() == 0, "b still has 0 children")
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self.runCmd("continue")
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self.assertTrue(b.GetNumChildren() != 0, "b now has 1 child")
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self.runCmd("continue")
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self.assertTrue(b.GetNumChildren() == 0, "b didn't go back to 0 children")
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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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