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"""Test that C++ global variables can be inspected by name and also their mangled name."""
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class GlobalVariablesCppTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
TestBase.setUp(self)
self.source = lldb.SBFileSpec('main.cpp')
def test(self):
self.build()
(target, _, _, _) = lldbutil.run_to_source_breakpoint(self, "// Set break point at this line.", self.source)
# Check that we can access g_file_global_int by its name
self.expect("target variable g_file_global_int", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['42'])
self.expect("target variable abc::g_file_global_int", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['42'])
self.expect("target variable xyz::g_file_global_int", VARIABLES_DISPLAYED_CORRECTLY,
error=True, substrs=['can\'t find global variable'])
# Check that we can access g_file_global_const_int by its name
self.expect("target variable g_file_global_const_int", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['1337'])
self.expect("target variable abc::g_file_global_const_int", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['1337'])
self.expect("target variable xyz::g_file_global_const_int", VARIABLES_DISPLAYED_CORRECTLY,
error=True, substrs=['can\'t find global variable'])
# Try accessing a global variable in anonymous namespace.
self.expect("target variable g_anon_namespace_const_int", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['100'])
self.expect("target variable abc::g_anon_namespace_const_int", VARIABLES_DISPLAYED_CORRECTLY,
error=True, substrs=['can\'t find global variable'])
var = target.FindFirstGlobalVariable("abc::(anonymous namespace)::g_anon_namespace_const_int")
self.assertTrue(var.IsValid())
self.assertEqual(var.GetName(), "abc::(anonymous namespace)::g_anon_namespace_const_int")
self.assertEqual(var.GetValue(), "100")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
def test_access_by_mangled_name(self):
self.build()
(target, _, _, _) = lldbutil.run_to_source_breakpoint(self, "// Set break point at this line.", self.source)
# Check that we can access g_file_global_int by its mangled name
addr = target.EvaluateExpression("&abc::g_file_global_int").GetValueAsUnsigned()
self.assertNotEqual(addr, 0)
mangled = lldb.SBAddress(addr, target).GetSymbol().GetMangledName()
self.assertNotEqual(mangled, None)
gv = target.FindFirstGlobalVariable(mangled)
self.assertTrue(gv.IsValid())
self.assertEqual(gv.GetName(), "abc::g_file_global_int")
self.assertEqual(gv.GetValueAsUnsigned(), 42)
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