2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <folly/portability/Constexpr.h>
19 #include <folly/portability/GTest.h>
23 class ConstexprTest : public testing::Test {};
26 TEST_F(ConstexprTest, constexpr_strlen_cstr) {
27 constexpr auto v = "hello";
28 constexpr auto a = folly::constexpr_strlen(v);
30 EXPECT_TRUE((std::is_same<const size_t, decltype(a)>::value));
33 TEST_F(ConstexprTest, constexpr_strlen_ints) {
34 constexpr int v[] = {5, 3, 4, 0, 7};
35 constexpr auto a = folly::constexpr_strlen(v);
37 EXPECT_TRUE((std::is_same<const size_t, decltype(a)>::value));