a40bada91a
This applies clang-format to the std::string unit tests in preparation for landing https://reviews.llvm.org/D140550. Differential Revision: https://reviews.llvm.org/D140612
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++03, c++11, c++14, c++17
|
|
|
|
// <string_view>
|
|
|
|
// constexpr bool starts_with(string_view x) const noexcept;
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "constexpr_char_traits.h"
|
|
|
|
int main(int, char**) {
|
|
{
|
|
typedef std::string_view SV;
|
|
const char* s = "abcde";
|
|
SV sv0{};
|
|
SV sv1{s, 1};
|
|
SV sv2{s, 2};
|
|
SV svNot{"def", 3};
|
|
|
|
LIBCPP_ASSERT_NOEXCEPT(sv0.starts_with(""));
|
|
|
|
assert(sv0.starts_with(""));
|
|
assert(!sv0.starts_with("a"));
|
|
|
|
assert(sv1.starts_with(""));
|
|
assert(sv1.starts_with("a"));
|
|
assert(!sv1.starts_with("ab"));
|
|
assert(!sv1.starts_with("abc"));
|
|
assert(!sv1.starts_with("abcd"));
|
|
assert(!sv1.starts_with("abcde"));
|
|
assert(!sv1.starts_with("def"));
|
|
|
|
assert(sv2.starts_with(s + 5));
|
|
assert(sv2.starts_with("a"));
|
|
assert(sv2.starts_with("ab"));
|
|
assert(!sv2.starts_with("abc"));
|
|
assert(!sv2.starts_with("abcd"));
|
|
assert(!sv2.starts_with("abcde"));
|
|
assert(!sv2.starts_with("def"));
|
|
|
|
assert(svNot.starts_with(""));
|
|
assert(!svNot.starts_with("a"));
|
|
assert(!svNot.starts_with("ab"));
|
|
assert(!svNot.starts_with("abc"));
|
|
assert(!svNot.starts_with("abcd"));
|
|
assert(!svNot.starts_with("abcde"));
|
|
assert(svNot.starts_with("def"));
|
|
}
|
|
|
|
#if TEST_STD_VER > 11
|
|
{
|
|
typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
|
|
constexpr const char* s = "abcde";
|
|
constexpr SV sv0{};
|
|
constexpr SV sv1{s, 1};
|
|
constexpr SV sv2{s, 2};
|
|
constexpr SV svNot{"def", 3};
|
|
|
|
static_assert(sv0.starts_with(""), "");
|
|
static_assert(!sv0.starts_with("a"), "");
|
|
|
|
static_assert(sv1.starts_with(""), "");
|
|
static_assert(sv1.starts_with("a"), "");
|
|
static_assert(!sv1.starts_with("ab"), "");
|
|
static_assert(!sv1.starts_with("abc"), "");
|
|
static_assert(!sv1.starts_with("abcd"), "");
|
|
static_assert(!sv1.starts_with("abcde"), "");
|
|
static_assert(!sv1.starts_with("def"), "");
|
|
|
|
static_assert(sv2.starts_with(s + 5), "");
|
|
static_assert(sv2.starts_with("a"), "");
|
|
static_assert(sv2.starts_with("ab"), "");
|
|
static_assert(!sv2.starts_with("abc"), "");
|
|
static_assert(!sv2.starts_with("abcd"), "");
|
|
static_assert(!sv2.starts_with("abcde"), "");
|
|
static_assert(!sv2.starts_with("def"), "");
|
|
|
|
static_assert(svNot.starts_with(""), "");
|
|
static_assert(!svNot.starts_with("a"), "");
|
|
static_assert(!svNot.starts_with("ab"), "");
|
|
static_assert(!svNot.starts_with("abc"), "");
|
|
static_assert(!svNot.starts_with("abcd"), "");
|
|
static_assert(!svNot.starts_with("abcde"), "");
|
|
static_assert(svNot.starts_with("def"), "");
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|