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"""
Tests that frame variable and expr work for
C++ unions and their static data members.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
class CppUnionStaticMembersTestCase(TestBase):
def test_print_union(self):
"""Tests that frame variable and expr work
for union with static data members"""
self.build()
(target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
self, "return 0", lldb.SBFileSpec("main.cpp")
)
self.expect("frame variable foo", substrs=["val = 42"])
self.expect("frame variable bar", substrs=["val = 137"])
self.expect_expr("foo", result_type="Foo", result_children=[ValueCheck(
name="val", value="42"
)])
self.expect_expr("bar", result_type="Bar", result_children=[ValueCheck(
name="val", value="137"
)])
@expectedFailureWindows
def test_expr_union_static_members(self):
"""Tests that frame variable and expr work
for union static data members"""
self.build()
(target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
self, "return 0", lldb.SBFileSpec("main.cpp")
)
self.expect_expr("Foo::sVal1", result_type="const int", result_value="-42")
self.expect_expr("Foo::sVal2", result_type="Foo", result_children=[ValueCheck(
name="val", value="42"
)])
@expectedFailureWindows
def test_union_in_anon_namespace(self):
"""Tests that frame variable and expr work
for union static data members in anonymous
namespaces"""
self.build()
(target, process, main_thread, _) = lldbutil.run_to_source_breakpoint(
self, "return 0", lldb.SBFileSpec("main.cpp")
)
self.expect_expr("Bar::sVal1", result_type="const int", result_value="-137")
self.expect_expr("Bar::sVal2", result_type="Bar", result_children=[ValueCheck(
name="val", value="137"
)])
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