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"""
Test that dynamic values update their child count correctly
"""
from __future__ import print_function
import os, time
import re
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class DynamicValueChildCountTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.c.
self.main_third_call_line = line_number('pass-to-base.cpp',
'// Break here and check b has 0 children')
self.main_fourth_call_line = line_number('pass-to-base.cpp',
'// Break here and check b still has 0 children')
self.main_fifth_call_line = line_number('pass-to-base.cpp',
'// Break here and check b has one child now')
self.main_sixth_call_line = line_number('pass-to-base.cpp',
'// Break here and check b has 0 children again')
@expectedFailureLinux("llvm.org/pr23039")
@expectedFailureFreeBSD("llvm.org/pr19311") # continue at a breakpoint does not work
@expectedFailureWindows("llvm.org/pr24663")
@expectedFailurei386("to be figured out")
@add_test_categories(['pyapi'])
def test_get_dynamic_vals(self):
"""Test fetching C++ dynamic values from pointers & references."""
"""Get argument vals for the call stack when stopped on a breakpoint."""
self.build(dictionary=self.getBuildFlags())
exe = os.path.join(os.getcwd(), "a.out")
# Create a target from the debugger.
target = self.dbg.CreateTarget (exe)
self.assertTrue(target, VALID_TARGET)
# Set up our breakpoints:
third_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_third_call_line)
self.assertTrue(third_call_bpt,
VALID_BREAKPOINT)
fourth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fourth_call_line)
self.assertTrue(fourth_call_bpt,
VALID_BREAKPOINT)
fifth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fifth_call_line)
self.assertTrue(fifth_call_bpt,
VALID_BREAKPOINT)
sixth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_sixth_call_line)
self.assertTrue(sixth_call_bpt,
VALID_BREAKPOINT)
# Now launch the process, and do not stop at the entry point.
process = target.LaunchSimple (None, None, self.get_process_working_directory())
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
b = self.frame().FindVariable("b").GetDynamicValue(lldb.eDynamicCanRunTarget)
self.assertTrue(b.GetNumChildren() == 0, "b has 0 children")
self.runCmd("continue")
self.assertTrue(b.GetNumChildren() == 0, "b still has 0 children")
self.runCmd("continue")
self.assertTrue(b.GetNumChildren() != 0, "b now has 1 child")
self.runCmd("continue")
self.assertTrue(b.GetNumChildren() == 0, "b didn't go back to 0 children")
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