Add tests for RTTI/exceptions test macros.

llvm-svn: 273382

libcxx/test/support/test.support/test_macros_header_exceptions.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// "support/test_macros.hpp"
+
+// #define TEST_HAS_NO_EXCEPTIONS
+
+#include "test_macros.h"
+
+int main() {
+#if defined(TEST_HAS_NO_EXCEPTIONS)
+    try { ((void)0); } catch (...) {} // expected-error {{exceptions disabled}}
+#else
+    try { ((void)0); } catch (...) {}
+#error exceptions enabled
+// expected-error@-1 {{exceptions enabled}}
+#endif
+}

libcxx/test/support/test.support/test_macros_header_exceptions.pass.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: libcpp-no-exceptions
+
+// "support/test_macros.hpp"
+
+// #define TEST_HAS_NO_EXCEPTIONS
+
+#include "test_macros.h"
+
+#if defined(TEST_HAS_NO_EXCEPTIONS)
+#error macro defined unexpectedly
+#endif
+
+int main() {
+    try { ((void)0); } catch (...) {}
+}

libcxx/test/support/test.support/test_macros_header_rtti.fail.cpp

@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// "support/test_macros.hpp"
+
+// #define TEST_HAS_NO_RTTI
+
+#include "test_macros.h"
+
+struct A { virtual ~A() {} };
+struct B : A {};
+
+int main() {
+#if defined(TEST_HAS_NO_RTTI)
+    A* ptr = new B;
+    (void)dynamic_cast<B*>(ptr); // expected-error{{cannot use dynamic_cast}}
+#else
+    A* ptr = new B;
+    (void)dynamic_cast<B*>(ptr);
+#error RTTI enabled
+// expected-error@-1{{RTTI enabled}}
+#endif
+}

libcxx/test/support/test.support/test_macros_header_rtti.pass.cpp

@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: libcpp-no-rtti
+
+// "support/test_macros.hpp"
+
+// #define TEST_HAS_NO_RTTI
+
+#include "test_macros.h"
+
+#if defined(TEST_HAS_NO_RTTI)
+#error Macro defined unexpectedly
+#endif
+
+struct A { virtual ~A() {} };
+struct B : A {};
+
+int main() {
+    A* ptr = new B;
+    (void)dynamic_cast<B*>(ptr);
+}