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"""
Test diamond inheritance.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
class TestCase(TestBase):
@no_debug_info_test
def test_with_sbvalue(self):
"""
Test that virtual base classes work in when SBValue objects are
used to explore the class.
"""
self.build()
lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
j1 = self.frame().FindVariable("j1")
j1_Derived1 = j1.GetChildAtIndex(0)
j1_Derived2 = j1.GetChildAtIndex(1)
j1_Derived1_VBase = j1_Derived1.GetChildAtIndex(0)
j1_Derived2_VBase = j1_Derived2.GetChildAtIndex(0)
j1_Derived1_VBase_m_value = j1_Derived1_VBase.GetChildAtIndex(0)
j1_Derived2_VBase_m_value = j1_Derived2_VBase.GetChildAtIndex(0)
self.assertEqual(
j1_Derived1_VBase.GetLoadAddress(), j1_Derived2_VBase.GetLoadAddress(),
"ensure virtual base class is the same between Derived1 and Derived2")
self.assertEqual(j1_Derived1_VBase_m_value.GetValueAsUnsigned(
1), j1_Derived2_VBase_m_value.GetValueAsUnsigned(2), "ensure m_value in VBase is the same")
self.assertEqual(self.frame().FindVariable("d").GetChildAtIndex(0).GetChildAtIndex(
0).GetValueAsUnsigned(0), 12345, "ensure Derived2 from j1 is correct")
# This reassigns 'd' to point to 'j2'.
self.thread().StepOver()
self.assertEqual(self.frame().FindVariable("d").GetChildAtIndex(0).GetChildAtIndex(
0).GetValueAsUnsigned(0), 12346, "ensure Derived2 from j2 is correct")
@no_debug_info_test
def test(self):
self.build()
lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
# All the children of j1.
children = [
ValueCheck(type="Derived1", children=[
ValueCheck(type="VBase", children=[
ValueCheck(type="int", name="m_value", value="12345")
])
]),
ValueCheck(type="Derived2", children=[
ValueCheck(type="VBase", children=[
ValueCheck(type="int", name="m_value", value="12345")
])
]),
ValueCheck(type="long", value="1"),
]
# Try using the class with expression evaluator/variable paths.
self.expect_expr("j1", result_type="Joiner1", result_children=children)
self.expect_var_path("j1", type="Joiner1", children=children)
# Use the expression evaluator to access the members.
self.expect_expr("j1.x", result_type="long", result_value="1")
self.expect_expr("j1.m_value", result_type="int", result_value="12345")
# Use variable paths to access the members.
self.expect_var_path("j1.x", type="long", value="1")
@expectedFailureAll
@no_debug_info_test
def test(self):
self.build()
lldbutil.run_to_source_breakpoint(self, "// breakpoint 1", lldb.SBFileSpec("main.cpp"))
# FIXME: This is completely broken and 'succeeds' with an error that
# there is noch such value/member in Joiner1. Move this up to the test
# above when fixed.
self.expect_var_path("j1.m_value", type="int", value="12345")
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