diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/commands/expression/context-object')
3 files changed, 196 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/Makefile b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/Makefile new file mode 100644 index 00000000000..8a7102e347a --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../make + +CXX_SOURCES := main.cpp + +include $(LEVEL)/Makefile.rules diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/TestContextObject.py b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/TestContextObject.py new file mode 100644 index 00000000000..02b8162aad6 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/TestContextObject.py @@ -0,0 +1,145 @@ +""" +Tests expression evaluation in context of an object. +""" + +import lldb +import lldbsuite.test.lldbutil as lldbutil +from lldbsuite.test.lldbtest import * + +class ContextObjectTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def test_context_object(self): + """Tests expression evaluation in context of an object.""" + self.build() + + (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, '// Break here', self.main_source_spec) + frame = thread.GetFrameAtIndex(0) + + # + # Test C++ struct variable + # + + obj_val = frame.FindVariable("cpp_struct") + self.assertTrue(obj_val.IsValid()) + + # Test an empty expression evaluation + value = obj_val.EvaluateExpression("") + self.assertFalse(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # Test retrieveing of a field (not a local with the same name) + value = obj_val.EvaluateExpression("field") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 1111) + + # Test functions evaluation + value = obj_val.EvaluateExpression("function()") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 2222) + + # Test that we retrieve the right global + value = obj_val.EvaluateExpression("global.field") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 1111) + + # + # Test C++ union variable + # + + obj_val = frame.FindVariable("cpp_union") + self.assertTrue(obj_val.IsValid()) + + # Test retrieveing of a field + value = obj_val.EvaluateExpression("field_int") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 5555) + + # + # Test C++ scalar + # + + obj_val = frame.FindVariable("cpp_scalar") + self.assertTrue(obj_val.IsValid()) + + # Test an expression evaluation + value = obj_val.EvaluateExpression("1") + self.assertFalse(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # + # Test C++ array + # + + obj_val = frame.FindVariable("cpp_array") + self.assertTrue(obj_val.IsValid()) + + # Test an expression evaluation + value = obj_val.EvaluateExpression("1") + self.assertFalse(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # Test retrieveing of an element's field + value = obj_val.GetValueForExpressionPath("[7]").EvaluateExpression("field") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 1111) + + # + # Test C++ pointer + # + + obj_val = frame.FindVariable("cpp_pointer") + self.assertTrue(obj_val.IsValid()) + + # Test an expression evaluation + value = obj_val.EvaluateExpression("1") + self.assertFalse(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # Test retrieveing of a dereferenced object's field + value = obj_val.Dereference().EvaluateExpression("field") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 1111) + + # + # Test C++ computation result + # + + obj_val = frame.EvaluateExpression("cpp_namespace::GetCppStruct()") + self.assertTrue(obj_val.IsValid()) + + # Test an expression evaluation + value = obj_val.EvaluateExpression("1") + self.assertTrue(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # + # Test C++ computation result located in debuggee memory + # + + obj_val = frame.EvaluateExpression("cpp_namespace::GetCppStructPtr()") + self.assertTrue(obj_val.IsValid()) + + # Test an expression evaluation + value = obj_val.EvaluateExpression("1") + self.assertFalse(value.IsValid()) + self.assertFalse(value.GetError().Success()) + + # Test retrieveing of a dereferenced object's field + value = obj_val.Dereference().EvaluateExpression("field") + self.assertTrue(value.IsValid()) + self.assertTrue(value.GetError().Success()) + self.assertEqual(value.GetValueAsSigned(), 1111) + + def setUp(self): + TestBase.setUp(self) + + self.main_source = "main.cpp" + self.main_source_spec = lldb.SBFileSpec(self.main_source) diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/main.cpp b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/main.cpp new file mode 100644 index 00000000000..098b6089fce --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/expression/context-object/main.cpp @@ -0,0 +1,46 @@ +namespace cpp_namespace { + struct CppStruct { + int field = 1111; + + int function() { + return 2222; + } + }; + + union CppUnion { + char field_char; + short field_short; + int field_int; + }; + + CppStruct GetCppStruct() { + return CppStruct(); + } + + CppStruct global; + + CppStruct *GetCppStructPtr() { + return &global; + } +} + +int global = 3333; + +int main() +{ + cpp_namespace::CppStruct cpp_struct = cpp_namespace::GetCppStruct(); + cpp_struct.function(); + + int field = 4444; + + cpp_namespace::CppUnion cpp_union; + cpp_union.field_int = 5555; + + int cpp_scalar = 6666; + + cpp_namespace::CppStruct cpp_array[16]; + + cpp_namespace::CppStruct *cpp_pointer = cpp_namespace::GetCppStructPtr(); + + return 0; // Break here +} |
