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"""
Test that dynamic values update their child count correctly
"""
from __future__ import print_function
import os
import time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
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')
@add_test_categories(['pyapi'])
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24663")
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 = self.getBuildArtifact("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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