1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 
17 #include "instruction_set_features_arm64.h"
18 
19 #include <gtest/gtest.h>
20 
21 namespace art {
22 
TEST(Arm64InstructionSetFeaturesTest,Arm64Features)23 TEST(Arm64InstructionSetFeaturesTest, Arm64Features) {
24   // Build features for an ARM64 processor.
25   std::string error_msg;
26   std::unique_ptr<const InstructionSetFeatures> arm64_features(
27       InstructionSetFeatures::FromVariant(kArm64, "default", &error_msg));
28   ASSERT_TRUE(arm64_features.get() != nullptr) << error_msg;
29   EXPECT_EQ(arm64_features->GetInstructionSet(), kArm64);
30   EXPECT_TRUE(arm64_features->Equals(arm64_features.get()));
31   EXPECT_STREQ("smp,a53", arm64_features->GetFeatureString().c_str());
32   EXPECT_EQ(arm64_features->AsBitmap(), 3U);
33   // See the comments in instruction_set_features_arm64.h.
34   EXPECT_TRUE(arm64_features->AsArm64InstructionSetFeatures()->PreferAcquireRelease());
35 }
36 
37 }  // namespace art
38