| """ |
| Tests that C++ expression evaluation can |
| disambiguate between rvalue and lvalue |
| reference-qualified functions. |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestFunctionRefQualifiers(TestBase): |
| def test(self): |
| self.build() |
| lldbutil.run_to_source_breakpoint( |
| self, "Break here", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| # const lvalue |
| self.expect_expr("const_foo.func()", result_type="uint32_t", result_value="0") |
| |
| # const rvalue |
| self.expect_expr( |
| "static_cast<Foo const&&>(Foo{}).func()", |
| result_type="int64_t", |
| result_value="1", |
| ) |
| |
| # non-const lvalue |
| self.expect_expr("foo.func()", result_type="uint32_t", result_value="2") |
| |
| # non-const rvalue |
| self.expect_expr("Foo{}.func()", result_type="int64_t", result_value="3") |
| |
| self.filecheck("target modules dump ast", __file__) |
| # CHECK: |-CXXMethodDecl {{.*}} func 'uint32_t () const &' |
| # CHECK-NEXT: | `-AsmLabelAttr {{.*}} |
| # CHECK-NEXT: |-CXXMethodDecl {{.*}} func 'int64_t () const &&' |
| # CHECK-NEXT: | `-AsmLabelAttr {{.*}} |
| # CHECK-NEXT: |-CXXMethodDecl {{.*}} func 'uint32_t () &' |
| # CHECK-NEXT: | `-AsmLabelAttr {{.*}} |
| # CHECK-NEXT: `-CXXMethodDecl {{.*}} func 'int64_t () &&' |
| # CHECK-NEXT: `-AsmLabelAttr {{.*}} |
