| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <iterator> |
| |
| // istreambuf_iterator |
| |
| // bool equal(istreambuf_iterator<charT,traits>& b) const; |
| |
| #include <iterator> |
| #include <sstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| { |
| std::istringstream inf1("abc"); |
| std::istringstream inf2("def"); |
| std::istreambuf_iterator<char> i1(inf1); |
| std::istreambuf_iterator<char> i2(inf2); |
| std::istreambuf_iterator<char> i3; |
| std::istreambuf_iterator<char> i4; |
| std::istreambuf_iterator<char> i5(nullptr); |
| |
| assert( i1.equal(i1)); |
| assert( i1.equal(i2)); |
| assert(!i1.equal(i3)); |
| assert(!i1.equal(i4)); |
| assert(!i1.equal(i5)); |
| |
| assert( i2.equal(i1)); |
| assert( i2.equal(i2)); |
| assert(!i2.equal(i3)); |
| assert(!i2.equal(i4)); |
| assert(!i2.equal(i5)); |
| |
| assert(!i3.equal(i1)); |
| assert(!i3.equal(i2)); |
| assert( i3.equal(i3)); |
| assert( i3.equal(i4)); |
| assert( i3.equal(i5)); |
| |
| assert(!i4.equal(i1)); |
| assert(!i4.equal(i2)); |
| assert( i4.equal(i3)); |
| assert( i4.equal(i4)); |
| assert( i4.equal(i5)); |
| |
| assert(!i5.equal(i1)); |
| assert(!i5.equal(i2)); |
| assert( i5.equal(i3)); |
| assert( i5.equal(i4)); |
| assert( i5.equal(i5)); |
| } |
| { |
| std::wistringstream inf1(L"abc"); |
| std::wistringstream inf2(L"def"); |
| std::istreambuf_iterator<wchar_t> i1(inf1); |
| std::istreambuf_iterator<wchar_t> i2(inf2); |
| std::istreambuf_iterator<wchar_t> i3; |
| std::istreambuf_iterator<wchar_t> i4; |
| std::istreambuf_iterator<wchar_t> i5(nullptr); |
| |
| assert( i1.equal(i1)); |
| assert( i1.equal(i2)); |
| assert(!i1.equal(i3)); |
| assert(!i1.equal(i4)); |
| assert(!i1.equal(i5)); |
| |
| assert( i2.equal(i1)); |
| assert( i2.equal(i2)); |
| assert(!i2.equal(i3)); |
| assert(!i2.equal(i4)); |
| assert(!i2.equal(i5)); |
| |
| assert(!i3.equal(i1)); |
| assert(!i3.equal(i2)); |
| assert( i3.equal(i3)); |
| assert( i3.equal(i4)); |
| assert( i3.equal(i5)); |
| |
| assert(!i4.equal(i1)); |
| assert(!i4.equal(i2)); |
| assert( i4.equal(i3)); |
| assert( i4.equal(i4)); |
| assert( i4.equal(i5)); |
| |
| assert(!i5.equal(i1)); |
| assert(!i5.equal(i2)); |
| assert( i5.equal(i3)); |
| assert( i5.equal(i4)); |
| assert( i5.equal(i5)); |
| } |
| |
| return 0; |
| } |