| """ |
| Tests const static data members as specified by C++11 [class.static.data]p3. |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestCase(TestBase): |
| def test(self): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| # Test using a simple const static integer member. |
| self.expect_expr("A::int_val", result_value="1") |
| |
| # Try accessing the int member via some expressions that still produce |
| # an lvalue. |
| self.expect_expr("a.int_val", result_value="1") |
| self.expect_expr("(A::int_val)", result_value="1") |
| self.expect_expr("+A::int_val", result_value="1") |
| self.expect_expr("1,A::int_val", result_value="1") |
| self.expect_expr("true ? A::int_val : A::int_val", result_value="1") |
| |
| # Test a simple integer member that was also defined in a namespace |
| # scope and has an address. |
| self.expect_expr("A::int_val_with_address", result_value="2") |
| |
| # Test a bool member. |
| self.expect_expr("A::bool_val", result_value="true") |
| |
| # Test that minimum and maximum values for each data type are right. |
| self.expect_expr("A::char_max == char_max", result_value="true") |
| self.expect_expr("A::schar_max == schar_max", result_value="true") |
| self.expect_expr("A::uchar_max == uchar_max", result_value="true") |
| self.expect_expr("A::int_max == int_max", result_value="true") |
| self.expect_expr("A::uint_max == uint_max", result_value="true") |
| self.expect_expr("A::long_max == long_max", result_value="true") |
| self.expect_expr("A::ulong_max == ulong_max", result_value="true") |
| self.expect_expr("A::longlong_max == longlong_max", result_value="true") |
| self.expect_expr("A::ulonglong_max == ulonglong_max", result_value="true") |
| self.expect_expr("A::wchar_max == wchar_max", result_value="true") |
| |
| self.expect_expr("A::char_min == char_min", result_value="true") |
| self.expect_expr("A::schar_min == schar_min", result_value="true") |
| self.expect_expr("A::uchar_min == uchar_min", result_value="true") |
| self.expect_expr("A::int_min == int_min", result_value="true") |
| self.expect_expr("A::uint_min == uint_min", result_value="true") |
| self.expect_expr("A::long_min == long_min", result_value="true") |
| self.expect_expr("A::ulong_min == ulong_min", result_value="true") |
| self.expect_expr("A::longlong_min == longlong_min", result_value="true") |
| self.expect_expr("A::ulonglong_min == ulonglong_min", result_value="true") |
| self.expect_expr("A::wchar_min == wchar_min", result_value="true") |
| |
| # Test an unscoped enum. |
| self.expect_expr("A::enum_val", result_value="enum_case2") |
| # Test an unscoped enum with bool as the underlying type. |
| self.expect_expr("A::enum_bool_val", result_value="enum_bool_case1") |
| |
| # Test a scoped enum. |
| self.expect_expr("A::scoped_enum_val", result_value="scoped_enum_case2") |
| # Test an scoped enum with a value that isn't an enumerator. |
| self.expect_expr( |
| "A::not_enumerator_scoped_enum_val", result_value="scoped_enum_case1 | 0x4" |
| ) |
| # This time with more than one enum value plus the extra. |
| self.expect_expr( |
| "A::not_enumerator_scoped_enum_val_2", |
| result_value="scoped_enum_case1 | scoped_enum_case2 | 0x4", |
| ) |
| |
| # Test an enum with fixed underlying type. |
| self.expect_expr("A::scoped_char_enum_val", result_value="case2") |
| self.expect_expr("A::scoped_ll_enum_val_neg", result_value="case0") |
| self.expect_expr("A::scoped_ll_enum_val", result_value="case2") |
| |
| # Test taking address. |
| if lldbplatformutil.getPlatform() == "windows": |
| # On Windows data members without the out-of-class definitions still have |
| # valid adresses and the following expression works fine. |
| self.expect_expr("const int *i = &A::int_val; *i", result_value="1") |
| else: |
| # On other platforms (Linux, macos) data members without the out-of-class |
| # definitions don't have valid addresses and the following code produces |
| # a linker error. |
| self.expect( |
| "expr const int *i = &A::int_val; *i", |
| error=True, |
| substrs=["Couldn't look up symbols:"], |
| ) |
| |
| # This should work on all platforms. |
| self.expect_expr( |
| "const int *i = &A::int_val_with_address; *i", result_value="2" |
| ) |
| |
| # Printing the whole type takes a slightly different code path. Check that |
| # it does not crash. |
| self.expect("image lookup -t A") |
| |
| # dsymutil strips the debug info for classes that only have const static |
| # data members without locations. |
| @expectedFailureAll(debug_info=["dsym"], dwarf_version=["<", "5"]) |
| def test_class_with_only_const_static(self): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| self.expect_expr("ClassWithOnlyConstStatic::member", result_value="3") |
| |
| def check_global_var(self, name: str, expect_type, expect_val): |
| var_list = self.target().FindGlobalVariables(name, lldb.UINT32_MAX) |
| self.assertGreaterEqual(len(var_list), 1) |
| varobj = var_list[0] |
| self.assertEqual(varobj.type.name, expect_type) |
| self.assertEqual(varobj.value, expect_val) |
| |
| @expectedFailureAll(dwarf_version=["<", "5"]) |
| # On linux this passes due to the manual index |
| @expectedFailureDarwin(debug_info=no_match(["dsym"])) |
| def test_inline_static_members(self): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| self.check_global_var("A::int_val", "const int", "1") |
| self.check_global_var("A::int_val_with_address", "const int", "2") |
| self.check_global_var("A::bool_val", "const bool", "true") |
| self.check_global_var("A::enum_val", "Enum", "enum_case2") |
| self.check_global_var("A::enum_bool_val", "EnumBool", "enum_bool_case1") |
| self.check_global_var("A::scoped_enum_val", "ScopedEnum", "scoped_enum_case2") |
| |
| self.check_global_var("ClassWithOnlyConstStatic::member", "const int", "3") |
| |
| self.check_global_var("ClassWithConstexprs::member", "const int", "2") |
| self.check_global_var("ClassWithConstexprs::enum_val", "Enum", "enum_case2") |
| self.check_global_var( |
| "ClassWithConstexprs::scoped_enum_val", "ScopedEnum", "scoped_enum_case2" |
| ) |
| |
| # With older versions of Clang, LLDB fails to evaluate classes with only |
| # constexpr members when dsymutil is enabled |
| @expectedFailureAll( |
| debug_info=["dsym"], compiler=["clang"], compiler_version=["<", "14.0"] |
| ) |
| def test_class_with_only_constexpr_static(self): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| # Test `constexpr static`. |
| self.expect_expr("ClassWithConstexprs::member", result_value="2") |
| self.expect_expr("ClassWithConstexprs::enum_val", result_value="enum_case2") |
| self.expect_expr( |
| "ClassWithConstexprs::scoped_enum_val", result_value="scoped_enum_case2" |
| ) |
| |
| # Test an aliased enum with fixed underlying type. |
| self.expect_expr( |
| "ClassWithEnumAlias::enum_alias", result_value="scoped_enum_case2" |
| ) |
| self.expect_expr( |
| "ClassWithEnumAlias::enum_alias_alias", result_value="scoped_enum_case1" |
| ) |
| |
| @expectedFailureAll(dwarf_version=["<", "5"]) |
| # On linux this passes due to the manual index |
| @expectedFailureDarwin(debug_info=no_match(["dsym"])) |
| def test_shadowed_static_inline_members(self): |
| """Tests that the expression evaluator and SBAPI can both |
| correctly determine the requested inline static variable |
| in the presence of multiple variables of the same name.""" |
| |
| self.build() |
| lldbutil.run_to_name_breakpoint(self, "bar") |
| |
| self.check_global_var("ns::Foo::mem", "const int", "10") |
| |
| self.expect_expr("mem", result_value="10") |
| self.expect_expr("Foo::mem", result_value="10") |
| self.expect_expr("ns::Foo::mem", result_value="10") |
| self.expect_expr("::Foo::mem", result_value="-29") |
| |
| @expectedFailureAll(bugnumber="target var doesn't honour global namespace") |
| def test_shadowed_static_inline_members_xfail(self): |
| self.build() |
| lldbutil.run_to_name_breakpoint(self, "bar") |
| self.check_global_var("::Foo::mem", "const int", "-29") |
