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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):
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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