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