1 // Copyright 2022 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 "absl/base/internal/prefetch.h"
16
17 #include "gtest/gtest.h"
18
19 namespace {
20
21 int number = 42;
22
TEST(Prefetch,TemporalLocalityNone)23 TEST(Prefetch, TemporalLocalityNone) {
24 absl::base_internal::PrefetchNta(&number);
25 EXPECT_EQ(number, 42);
26 }
27
TEST(Prefetch,TemporalLocalityLow)28 TEST(Prefetch, TemporalLocalityLow) {
29 absl::base_internal::PrefetchT2(&number);
30 EXPECT_EQ(number, 42);
31 }
32
TEST(Prefetch,TemporalLocalityMedium)33 TEST(Prefetch, TemporalLocalityMedium) {
34 absl::base_internal::PrefetchT1(&number);
35 EXPECT_EQ(number, 42);
36 }
37
TEST(Prefetch,TemporalLocalityHigh)38 TEST(Prefetch, TemporalLocalityHigh) {
39 absl::base_internal::PrefetchT0(&number);
40 EXPECT_EQ(number, 42);
41 }
42
43 } // namespace
44