1 // Copyright 2017 The Abseil Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include <type_traits>
16 
17 #include "absl/base/internal/inline_variable.h"
18 #include "absl/base/internal/inline_variable_testing.h"
19 
20 #include "gtest/gtest.h"
21 
22 namespace absl {
23 ABSL_NAMESPACE_BEGIN
24 namespace inline_variable_testing_internal {
25 namespace {
26 
TEST(InlineVariableTest,Constexpr)27 TEST(InlineVariableTest, Constexpr) {
28   static_assert(inline_variable_foo.value == 5, "");
29   static_assert(other_inline_variable_foo.value == 5, "");
30   static_assert(inline_variable_int == 5, "");
31   static_assert(other_inline_variable_int == 5, "");
32 }
33 
TEST(InlineVariableTest,DefaultConstructedIdentityEquality)34 TEST(InlineVariableTest, DefaultConstructedIdentityEquality) {
35   EXPECT_EQ(get_foo_a().value, 5);
36   EXPECT_EQ(get_foo_b().value, 5);
37   EXPECT_EQ(&get_foo_a(), &get_foo_b());
38 }
39 
TEST(InlineVariableTest,DefaultConstructedIdentityInequality)40 TEST(InlineVariableTest, DefaultConstructedIdentityInequality) {
41   EXPECT_NE(&inline_variable_foo, &other_inline_variable_foo);
42 }
43 
TEST(InlineVariableTest,InitializedIdentityEquality)44 TEST(InlineVariableTest, InitializedIdentityEquality) {
45   EXPECT_EQ(get_int_a(), 5);
46   EXPECT_EQ(get_int_b(), 5);
47   EXPECT_EQ(&get_int_a(), &get_int_b());
48 }
49 
TEST(InlineVariableTest,InitializedIdentityInequality)50 TEST(InlineVariableTest, InitializedIdentityInequality) {
51   EXPECT_NE(&inline_variable_int, &other_inline_variable_int);
52 }
53 
TEST(InlineVariableTest,FunPtrType)54 TEST(InlineVariableTest, FunPtrType) {
55   static_assert(
56       std::is_same<void(*)(),
57                    std::decay<decltype(inline_variable_fun_ptr)>::type>::value,
58       "");
59 }
60 
61 }  // namespace
62 }  // namespace inline_variable_testing_internal
63 ABSL_NAMESPACE_END
64 }  // namespace absl
65