forked from OSchip/llvm-project
214 lines
3.0 KiB
C++
214 lines
3.0 KiB
C++
//===------------------------- catch_ptr_02.cpp ---------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: no-exceptions
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#include <cassert>
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// Clang emits warnings about exceptions of type 'Child' being caught by
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// an earlier handler of type 'Base'. Congrats clang, you've just
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// diagnosed the behavior under test.
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#if defined(__clang__)
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#pragma clang diagnostic ignored "-Wexceptions"
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#endif
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#if __cplusplus < 201103L
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#define DISABLE_NULLPTR_TESTS
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#endif
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struct A {};
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A a;
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const A ca = A();
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void test1 ()
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{
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try
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{
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throw &a;
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assert(false);
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}
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catch ( const A* )
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{
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}
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catch ( A *)
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{
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assert (false);
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}
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}
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void test2 ()
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{
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try
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{
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throw &a;
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assert(false);
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}
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catch ( A* )
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{
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}
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catch ( const A *)
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{
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assert (false);
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}
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}
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void test3 ()
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{
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try
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{
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throw &ca;
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assert(false);
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}
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catch ( const A* )
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{
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}
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catch ( A *)
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{
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assert (false);
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}
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}
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void test4 ()
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{
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try
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{
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throw &ca;
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assert(false);
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}
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catch ( A *)
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{
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assert (false);
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}
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catch ( const A* )
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{
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}
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}
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struct base1 {int x;};
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struct base2 {int x;};
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struct derived : base1, base2 {};
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void test5 ()
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{
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try
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{
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throw (derived*)0;
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assert(false);
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}
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catch (base2 *p) {
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assert (p == 0);
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}
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catch (...)
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{
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assert (false);
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}
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}
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void test6 ()
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{
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#if !defined(DISABLE_NULLPTR_TESTS)
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try
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{
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throw nullptr;
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assert(false);
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}
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catch (base2 *p) {
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assert (p == nullptr);
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}
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catch (...)
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{
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assert (false);
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}
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#endif
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}
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void test7 ()
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{
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try
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{
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throw (derived*)12;
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assert(false);
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}
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catch (base2 *p) {
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assert ((unsigned long)p == 12+sizeof(base1));
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}
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catch (...)
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{
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assert (false);
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}
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}
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struct vBase {};
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struct vDerived : virtual public vBase {};
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void test8 ()
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{
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vDerived derived;
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try
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{
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throw &derived;
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assert(false);
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}
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catch (vBase *p) {
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assert(p != 0);
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}
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catch (...)
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{
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assert (false);
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}
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}
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void test9 ()
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{
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#if !defined(DISABLE_NULLPTR_TESTS)
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try
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{
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throw nullptr;
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assert(false);
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}
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catch (vBase *p) {
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assert(p == 0);
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}
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catch (...)
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{
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assert (false);
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}
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#endif
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}
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void test10 ()
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{
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try
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{
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throw (vDerived*)0;
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assert(false);
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}
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catch (vBase *p) {
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assert(p == 0);
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}
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catch (...)
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{
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assert (false);
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}
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}
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int main()
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{
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test1();
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test2();
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test3();
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test4();
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test5();
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test6();
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test7();
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test8();
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test9();
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test10();
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}
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