101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <experimental/any>
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// any(any const &);
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#include <experimental/any>
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#include <cassert>
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#include "any_helpers.h"
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#include "count_new.hpp"
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#include "test_macros.h"
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using std::experimental::any;
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using std::experimental::any_cast;
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template <class Type>
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void test_copy_throws() {
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#if !defined(TEST_HAS_NO_EXCEPTIONS)
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assert(Type::count == 0);
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{
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any const a((Type(42)));
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assert(Type::count == 1);
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try {
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any const a2(a);
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assert(false);
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} catch (my_any_exception const &) {
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// do nothing
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} catch (...) {
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assert(false);
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}
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assert(Type::count == 1);
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assertContains<Type>(a, 42);
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}
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assert(Type::count == 0);
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#endif
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}
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void test_copy_empty() {
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DisableAllocationGuard g; ((void)g); // No allocations should occur.
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any a1;
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any a2(a1);
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assertEmpty(a1);
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assertEmpty(a2);
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}
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template <class Type>
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void test_copy()
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{
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// Copying small types should not perform any allocations.
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DisableAllocationGuard g(isSmallType<Type>()); ((void)g);
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assert(Type::count == 0);
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Type::reset();
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{
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any a((Type(42)));
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assert(Type::count == 1);
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assert(Type::copied == 0);
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any a2(a);
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assert(Type::copied == 1);
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assert(Type::count == 2);
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assertContains<Type>(a, 42);
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assertContains<Type>(a, 42);
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// Modify a and check that a2 is unchanged
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modifyValue<Type>(a, -1);
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assertContains<Type>(a, -1);
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assertContains<Type>(a2, 42);
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// modify a2 and check that a is unchanged
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modifyValue<Type>(a2, 999);
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assertContains<Type>(a, -1);
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assertContains<Type>(a2, 999);
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// clear a and check that a2 is unchanged
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a.clear();
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assertEmpty(a);
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assertContains<Type>(a2, 999);
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}
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assert(Type::count == 0);
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}
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int main() {
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test_copy<small>();
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test_copy<large>();
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test_copy_empty();
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test_copy_throws<small_throws_on_copy>();
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test_copy_throws<large_throws_on_copy>();
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}
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