diff --git a/googletest/test/googletest-overload-addressof-operator-test.cc b/googletest/test/googletest-overload-addressof-operator-test.cc new file mode 100644 index 00000000..e8355e57 --- /dev/null +++ b/googletest/test/googletest-overload-addressof-operator-test.cc @@ -0,0 +1,91 @@ +// Copyright 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// This file tests EXPECT_EQ works when used with type that has overloaded & +// operator. + +#include +#include + +class string_ref; + +/** + * This is a synthetic pointer to a fixed size string. + */ +class string_ptr { + public: + string_ptr(const char *data, size_t size) : data_(data), size_(size) {} + + string_ptr &operator++() noexcept { + data_ += size_; + return *this; + } + + string_ref operator*() const noexcept; + + private: + const char *data_; + size_t size_; +}; + +/** + * This is a synthetic reference of a fixed size string. + */ +class string_ref { + public: + string_ref(const char *data, size_t size) : data_(data), size_(size) {} + + string_ptr operator&() const noexcept { return {data_, size_}; } + + bool operator==(const char *s) const noexcept { + if (size_ > 0 && data_[size_ - 1] != 0) { + return std::string(data_, size_) == std::string(s); + } else { + return std::string(data_) == std::string(s); + } + } + + private: + const char *data_; + size_t size_; +}; + +string_ref string_ptr::operator*() const noexcept { return {data_, size_}; } + +TEST(string_ref, compare) { + const char *s = "alex\0davidjohn\0"; + string_ptr ptr(s, 5); + EXPECT_EQ(*ptr, "alex"); + EXPECT_TRUE(*ptr == "alex"); + ++ptr; + EXPECT_EQ(*ptr, "david"); + EXPECT_TRUE(*ptr == "david"); + ++ptr; + EXPECT_EQ(*ptr, "john"); +}