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"""
Test that dynamic values update their child count correctly
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class DynamicValueChildCountTestCase(TestBase):
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()
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.assertState(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
b = self.frame().FindVariable("b").GetDynamicValue(lldb.eDynamicCanRunTarget)
self.assertEqual(b.GetNumChildren(), 0, "b has 0 children")
self.runCmd("continue")
self.assertEqual(b.GetNumChildren(), 0, "b still has 0 children")
self.runCmd("continue")
self.assertNotEqual(b.GetNumChildren(), 0, "b now has 1 child")
self.runCmd("continue")
self.assertEqual(b.GetNumChildren(), 0, "b didn't go back to 0 children")
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