diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test')
3 files changed, 71 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/Makefile b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/Makefile new file mode 100644 index 00000000000..9d4f3b7f141 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/Makefile @@ -0,0 +1,8 @@ +LEVEL = ../../make + +CXX_SOURCES := main.cpp + +include $(LEVEL)/Makefile.rules + +clean:: + rm -rf $(wildcard *.o *.d *.dSYM) diff --git a/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/TestCallOverriddenMethod.py b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/TestCallOverriddenMethod.py new file mode 100644 index 00000000000..54709e26ecb --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/TestCallOverriddenMethod.py @@ -0,0 +1,47 @@ +""" +Test calling an overriden method. + +Note: + This verifies that LLDB is correctly building the method overrides table. + If this table is not built correctly then calls to overridden methods in + derived classes may generate references to non-existant vtable entries, + as the compiler treats the overridden method as a totally new virtual + method definition. + <rdar://problem/14205774> + +""" + +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + +class ExprCommandCallOverriddenMethod(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break for main.c. + self.line = line_number('main.cpp', '// Set breakpoint here') + + def test(self): + """Test calls to overridden methods in derived classes.""" + self.build() + + # Set breakpoint in main and run exe + self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) + lldbutil.run_break_set_by_file_and_line( + self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True) + + self.runCmd("run", RUN_SUCCEEDED) + + # Test call to method in base class (this should always work as the base + # class method is never an override). + self.expect("expr b->foo()") + + # Test call to overridden method in derived class (this will fail if the + # overrides table is not correctly set up, as Derived::foo will be assigned + # a vtable entry that does not exist in the compiled program). + self.expect("expr d.foo()") diff --git a/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/main.cpp b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/main.cpp new file mode 100644 index 00000000000..54ae705d297 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/expression_command/call-overridden-method/main.cpp @@ -0,0 +1,16 @@ +class Base { +public: + virtual ~Base() {} + virtual void foo() {} +}; + +class Derived : public Base { +public: + virtual void foo() {} +}; + +int main() { + Derived d; + Base *b = &d; + return 0; // Set breakpoint here +} |
