1 /* 2 * Copyright (C) 2022 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 package android.libcore.regression; 18 19 import android.perftests.utils.BenchmarkState; 20 import android.perftests.utils.PerfStatusReporter; 21 import android.test.suitebuilder.annotation.LargeTest; 22 23 import androidx.test.runner.AndroidJUnit4; 24 25 import org.junit.Rule; 26 import org.junit.Test; 27 import org.junit.runner.RunWith; 28 29 import java.lang.reflect.Constructor; 30 import java.lang.reflect.Field; 31 import java.lang.reflect.Method; 32 33 @RunWith(AndroidJUnit4.class) 34 @LargeTest 35 public class ReflectionPerfTest { 36 @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); 37 38 @Test timeObject_getClass()39 public void timeObject_getClass() throws Exception { 40 C c = new C(); 41 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 42 while (state.keepRunning()) { 43 c.getClass(); 44 } 45 } 46 47 @Test timeClass_getField()48 public void timeClass_getField() throws Exception { 49 Class<?> klass = C.class; 50 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 51 while (state.keepRunning()) { 52 klass.getField("f"); 53 } 54 } 55 56 @Test timeClass_getDeclaredField()57 public void timeClass_getDeclaredField() throws Exception { 58 Class<?> klass = C.class; 59 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 60 while (state.keepRunning()) { 61 klass.getDeclaredField("f"); 62 } 63 } 64 65 @Test timeClass_getConstructor()66 public void timeClass_getConstructor() throws Exception { 67 Class<?> klass = C.class; 68 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 69 while (state.keepRunning()) { 70 klass.getConstructor(); 71 } 72 } 73 74 @Test timeClass_newInstance()75 public void timeClass_newInstance() throws Exception { 76 Class<?> klass = C.class; 77 Constructor constructor = klass.getConstructor(); 78 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 79 while (state.keepRunning()) { 80 constructor.newInstance(); 81 } 82 } 83 84 @Test timeClass_getMethod()85 public void timeClass_getMethod() throws Exception { 86 Class<?> klass = C.class; 87 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 88 while (state.keepRunning()) { 89 klass.getMethod("m"); 90 } 91 } 92 93 @Test timeClass_getDeclaredMethod()94 public void timeClass_getDeclaredMethod() throws Exception { 95 Class<?> klass = C.class; 96 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 97 while (state.keepRunning()) { 98 klass.getDeclaredMethod("m"); 99 } 100 } 101 102 @Test timeField_setInt()103 public void timeField_setInt() throws Exception { 104 Class<?> klass = C.class; 105 Field f = klass.getDeclaredField("f"); 106 C instance = new C(); 107 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 108 while (state.keepRunning()) { 109 f.setInt(instance, 1); 110 } 111 } 112 113 @Test timeField_getInt()114 public void timeField_getInt() throws Exception { 115 Class<?> klass = C.class; 116 Field f = klass.getDeclaredField("f"); 117 C instance = new C(); 118 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 119 while (state.keepRunning()) { 120 f.getInt(instance); 121 } 122 } 123 124 @Test timeMethod_invokeV()125 public void timeMethod_invokeV() throws Exception { 126 Class<?> klass = C.class; 127 Method m = klass.getDeclaredMethod("m"); 128 C instance = new C(); 129 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 130 while (state.keepRunning()) { 131 m.invoke(instance); 132 } 133 } 134 135 @Test timeMethod_invokeStaticV()136 public void timeMethod_invokeStaticV() throws Exception { 137 Class<?> klass = C.class; 138 Method m = klass.getDeclaredMethod("sm"); 139 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 140 while (state.keepRunning()) { 141 m.invoke(null); 142 } 143 } 144 145 @Test timeMethod_invokeI()146 public void timeMethod_invokeI() throws Exception { 147 Class<?> klass = C.class; 148 Method m = klass.getDeclaredMethod("setField", int.class); 149 C instance = new C(); 150 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 151 while (state.keepRunning()) { 152 m.invoke(instance, 1); 153 } 154 } 155 156 @Test timeMethod_invokePreBoxedI()157 public void timeMethod_invokePreBoxedI() throws Exception { 158 Class<?> klass = C.class; 159 Method m = klass.getDeclaredMethod("setField", int.class); 160 C instance = new C(); 161 Integer one = Integer.valueOf(1); 162 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 163 while (state.keepRunning()) { 164 m.invoke(instance, one); 165 } 166 } 167 168 @Test timeMethod_invokeStaticI()169 public void timeMethod_invokeStaticI() throws Exception { 170 Class<?> klass = C.class; 171 Method m = klass.getDeclaredMethod("setStaticField", int.class); 172 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 173 while (state.keepRunning()) { 174 m.invoke(null, 1); 175 } 176 } 177 178 @Test timeMethod_invokeStaticPreBoxedI()179 public void timeMethod_invokeStaticPreBoxedI() throws Exception { 180 Class<?> klass = C.class; 181 Method m = klass.getDeclaredMethod("setStaticField", int.class); 182 Integer one = Integer.valueOf(1); 183 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 184 while (state.keepRunning()) { 185 m.invoke(null, one); 186 } 187 } 188 189 @Test timeRegularMethodInvocation()190 public void timeRegularMethodInvocation() throws Exception { 191 C instance = new C(); 192 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 193 while (state.keepRunning()) { 194 instance.setField(1); 195 } 196 } 197 198 @Test timeRegularConstructor()199 public void timeRegularConstructor() throws Exception { 200 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 201 while (state.keepRunning()) { 202 new C(); 203 } 204 } 205 206 @Test timeClass_classNewInstance()207 public void timeClass_classNewInstance() throws Exception { 208 Class<?> klass = C.class; 209 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 210 while (state.keepRunning()) { 211 klass.newInstance(); 212 } 213 } 214 215 @Test timeClass_isInstance()216 public void timeClass_isInstance() throws Exception { 217 D d = new D(); 218 Class<?> klass = IC.class; 219 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 220 while (state.keepRunning()) { 221 klass.isInstance(d); 222 } 223 } 224 225 @Test timeGetInstanceField()226 public void timeGetInstanceField() throws Exception { 227 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 228 while (state.keepRunning()) { 229 // TODO: Write a test script that generates both the classes we're 230 // reflecting on and the test case for each of its fields. 231 R.class.getField("mTextAppearanceLargePopupMenu"); 232 } 233 } 234 235 @Test timeGetStaticField()236 public void timeGetStaticField() throws Exception { 237 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 238 while (state.keepRunning()) { 239 R.class.getField("WEEK_NUMBER_COLOR"); 240 } 241 } 242 243 @Test timeGetInterfaceStaticField()244 public void timeGetInterfaceStaticField() throws Exception { 245 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 246 while (state.keepRunning()) { 247 F.class.getField("SF"); 248 } 249 } 250 251 @Test timeGetSuperClassField()252 public void timeGetSuperClassField() throws Exception { 253 BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 254 while (state.keepRunning()) { 255 G.class.getField("f"); 256 } 257 } 258 259 public static class C { 260 public static int sf = 0; 261 public int f = 0; 262 C()263 public C() { 264 // A non-empty constructor so we don't get optimized away. 265 f = 1; 266 } 267 m()268 public void m() {} 269 sm()270 public static void sm() {} 271 setField(int value)272 public void setField(int value) { 273 f = value; 274 } 275 setStaticField(int value)276 public static void setStaticField(int value) { 277 sf = value; 278 } 279 } 280 281 interface IA {} 282 283 interface IB extends IA {} 284 285 interface IC extends IB { 286 int SF = 0; 287 } 288 289 class D implements IC {} 290 291 class E extends D {} 292 293 class F extends E implements IB {} 294 295 class G extends C {} 296 } 297