1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @run testng/othervm -Diters=20000 VarHandleTestMethodHandleAccessDouble 27 */ 28 29 import org.testng.annotations.BeforeClass; 30 import org.testng.annotations.DataProvider; 31 import org.testng.annotations.Test; 32 33 import java.lang.invoke.MethodHandles; 34 import java.lang.invoke.VarHandle; 35 import java.util.ArrayList; 36 import java.util.Arrays; 37 import java.util.List; 38 39 import static org.testng.Assert.*; 40 41 public class VarHandleTestMethodHandleAccessDouble extends VarHandleBaseTest { 42 static final double static_final_v = 1.0d; 43 44 static double static_v; 45 46 final double final_v = 1.0d; 47 48 double v; 49 50 VarHandle vhFinalField; 51 52 VarHandle vhField; 53 54 VarHandle vhStaticField; 55 56 VarHandle vhStaticFinalField; 57 58 VarHandle vhArray; 59 60 @BeforeClass 61 public void setup() throws Exception { 62 vhFinalField = MethodHandles.lookup().findVarHandle( 63 VarHandleTestMethodHandleAccessDouble.class, "final_v", double.class); 64 65 vhField = MethodHandles.lookup().findVarHandle( 66 VarHandleTestMethodHandleAccessDouble.class, "v", double.class); 67 68 vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( 69 VarHandleTestMethodHandleAccessDouble.class, "static_final_v", double.class); 70 71 vhStaticField = MethodHandles.lookup().findStaticVarHandle( 72 VarHandleTestMethodHandleAccessDouble.class, "static_v", double.class); 73 74 vhArray = MethodHandles.arrayElementVarHandle(double[].class); 75 } 76 77 78 @DataProvider 79 public Object[][] accessTestCaseProvider() throws Exception { 80 List<AccessTestCase<?>> cases = new ArrayList<>(); 81 82 for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) { 83 cases.add(new MethodHandleAccessTestCase("Instance field", 84 vhField, f, hs -> testInstanceField(this, hs))); 85 cases.add(new MethodHandleAccessTestCase("Instance field unsupported", 86 vhField, f, hs -> testInstanceFieldUnsupported(this, hs), 87 false)); 88 89 cases.add(new MethodHandleAccessTestCase("Static field", 90 vhStaticField, f, VarHandleTestMethodHandleAccessDouble::testStaticField)); 91 cases.add(new MethodHandleAccessTestCase("Static field unsupported", 92 vhStaticField, f, VarHandleTestMethodHandleAccessDouble::testStaticFieldUnsupported, 93 false)); 94 95 cases.add(new MethodHandleAccessTestCase("Array", 96 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArray)); 97 cases.add(new MethodHandleAccessTestCase("Array unsupported", 98 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArrayUnsupported, 99 false)); 100 cases.add(new MethodHandleAccessTestCase("Array index out of bounds", 101 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArrayIndexOutOfBounds, 102 false)); 103 } 104 105 // Work around issue with jtreg summary reporting which truncates 106 // the String result of Object.toString to 30 characters, hence 107 // the first dummy argument 108 return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new); 109 } 110 111 @Test(dataProvider = "accessTestCaseProvider") 112 public <T> void testAccess(String desc, AccessTestCase<T> atc) throws Throwable { 113 T t = atc.get(); 114 int iters = atc.requiresLoop() ? ITERS : 1; 115 for (int c = 0; c < iters; c++) { 116 atc.testAccess(t); 117 } 118 } 119 120 121 static void testInstanceField(VarHandleTestMethodHandleAccessDouble recv, Handles hs) throws Throwable { 122 // Plain 278 hs.get(TestAccessMode.SET).invokeExact(recv, 1.0d); 279 280 double o = (double) hs.get(TestAccessMode.GET_AND_ADD_RELEASE).invokeExact(recv, 2.0d); 281 assertEquals(o, 1.0d, "getAndAddRelease double"); 282 double x = (double) hs.get(TestAccessMode.GET).invokeExact(recv); 283 assertEquals(x, (double)(1.0d + 2.0d), "getAndAddRelease double value"); 284 } 285 286 } 287 288 static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessDouble recv, Handles hs) throws Throwable { 289 290 291 for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { 292 checkUOE(am, () -> { 293 double r = (double) hs.get(am).invokeExact(recv, 1.0d); 294 }); 295 } 296 } 297 298 299 static void testStaticField(Handles hs) throws Throwable { 300 // Plain 301 { 302 hs.get(TestAccessMode.SET).invokeExact(1.0d); 303 double x = (double) hs.get(TestAccessMode.GET).invokeExact(); 304 assertEquals(x, 1.0d, "set double value"); 305 } 306 307 308 // Volatile 309 { 310 hs.get(TestAccessMode.SET_VOLATILE).invokeExact(2.0d); 311 double x = (double) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(); 312 assertEquals(x, 2.0d, "setVolatile double value"); 313 } 314 315 // Lazy 316 { 317 hs.get(TestAccessMode.SET_RELEASE).invokeExact(1.0d); | 1 /* 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @run testng/othervm -Xint -Diters=2000 VarHandleTestMethodHandleAccessDouble 27 */ 28 29 import org.testng.annotations.BeforeClass; 30 import org.testng.annotations.DataProvider; 31 import org.testng.annotations.Test; 32 33 import java.lang.invoke.MethodHandles; 34 import java.lang.invoke.VarHandle; 35 import java.util.ArrayList; 36 import java.util.Arrays; 37 import java.util.List; 38 39 import static org.testng.Assert.*; 40 41 public class VarHandleTestMethodHandleAccessDouble extends VarHandleBaseTest { 42 static final double static_final_v = 1.0d; 43 44 static double static_v; 45 46 final double final_v = 1.0d; 47 48 double v; 49 50 VarHandle vhFinalField; 51 52 VarHandle vhField; 53 54 VarHandle vhStaticField; 55 56 VarHandle vhStaticFinalField; 57 58 VarHandle vhArray; 59 60 VarHandle vhValueTypeField; 61 62 @BeforeClass 63 public void setup() throws Exception { 64 vhFinalField = MethodHandles.lookup().findVarHandle( 65 VarHandleTestMethodHandleAccessDouble.class, "final_v", double.class); 66 67 vhField = MethodHandles.lookup().findVarHandle( 68 VarHandleTestMethodHandleAccessDouble.class, "v", double.class); 69 70 vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( 71 VarHandleTestMethodHandleAccessDouble.class, "static_final_v", double.class); 72 73 vhStaticField = MethodHandles.lookup().findStaticVarHandle( 74 VarHandleTestMethodHandleAccessDouble.class, "static_v", double.class); 75 76 vhArray = MethodHandles.arrayElementVarHandle(double[].class); 77 78 vhValueTypeField = MethodHandles.lookup().findVarHandle( 79 Value.class, "double_v", double.class); 80 } 81 82 83 @DataProvider 84 public Object[][] accessTestCaseProvider() throws Exception { 85 List<AccessTestCase<?>> cases = new ArrayList<>(); 86 87 for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) { 88 cases.add(new MethodHandleAccessTestCase("Instance field", 89 vhField, f, hs -> testInstanceField(this, hs))); 90 cases.add(new MethodHandleAccessTestCase("Instance field unsupported", 91 vhField, f, hs -> testInstanceFieldUnsupported(this, hs), 92 false)); 93 94 cases.add(new MethodHandleAccessTestCase("Static field", 95 vhStaticField, f, VarHandleTestMethodHandleAccessDouble::testStaticField)); 96 cases.add(new MethodHandleAccessTestCase("Static field unsupported", 97 vhStaticField, f, VarHandleTestMethodHandleAccessDouble::testStaticFieldUnsupported, 98 false)); 99 100 cases.add(new MethodHandleAccessTestCase("Array", 101 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArray)); 102 cases.add(new MethodHandleAccessTestCase("Array unsupported", 103 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArrayUnsupported, 104 false)); 105 cases.add(new MethodHandleAccessTestCase("Array index out of bounds", 106 vhArray, f, VarHandleTestMethodHandleAccessDouble::testArrayIndexOutOfBounds, 107 false)); 108 cases.add(new MethodHandleAccessTestCase("Value type field", 109 vhValueTypeField, f, hs -> testValueTypeField(Value.VT, hs))); 110 cases.add(new MethodHandleAccessTestCase("Value type field unsupported", 111 vhValueTypeField, f, hs -> testValueTypeFieldUnsupported(Value.VT, hs), 112 false)); 113 } 114 115 // Work around issue with jtreg summary reporting which truncates 116 // the String result of Object.toString to 30 characters, hence 117 // the first dummy argument 118 return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new); 119 } 120 121 @Test(dataProvider = "accessTestCaseProvider") 122 public <T> void testAccess(String desc, AccessTestCase<T> atc) throws Throwable { 123 T t = atc.get(); 124 int iters = atc.requiresLoop() ? ITERS : 1; 125 for (int c = 0; c < iters; c++) { 126 atc.testAccess(t); 127 } 128 } 129 130 131 static void testInstanceField(VarHandleTestMethodHandleAccessDouble recv, Handles hs) throws Throwable { 132 // Plain 288 hs.get(TestAccessMode.SET).invokeExact(recv, 1.0d); 289 290 double o = (double) hs.get(TestAccessMode.GET_AND_ADD_RELEASE).invokeExact(recv, 2.0d); 291 assertEquals(o, 1.0d, "getAndAddRelease double"); 292 double x = (double) hs.get(TestAccessMode.GET).invokeExact(recv); 293 assertEquals(x, (double)(1.0d + 2.0d), "getAndAddRelease double value"); 294 } 295 296 } 297 298 static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessDouble recv, Handles hs) throws Throwable { 299 300 301 for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { 302 checkUOE(am, () -> { 303 double r = (double) hs.get(am).invokeExact(recv, 1.0d); 304 }); 305 } 306 } 307 308 static void testValueTypeField(Value recv, Handles hs) throws Throwable { 309 // Plain 310 { 311 double x = (double) hs.get(TestAccessMode.GET).invokeExact(recv); 312 assertEquals(x, 1.0d, "get double value"); 313 } 314 } 315 316 static void testValueTypeFieldUnsupported(Value recv, Handles hs) throws Throwable { 317 // Plain 318 for (TestAccessMode am : testAccessModesOfType(TestAccessType.SET)) { 319 checkUOE(am, () -> { 320 hs.get(am).invokeExact(recv, 1.0d); 321 }); 322 } 323 324 325 for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_BITWISE)) { 326 checkUOE(am, () -> { 327 double r = (double) hs.get(am).invokeExact(recv, 1.0d); 328 }); 329 } 330 } 331 332 static void testStaticField(Handles hs) throws Throwable { 333 // Plain 334 { 335 hs.get(TestAccessMode.SET).invokeExact(1.0d); 336 double x = (double) hs.get(TestAccessMode.GET).invokeExact(); 337 assertEquals(x, 1.0d, "set double value"); 338 } 339 340 341 // Volatile 342 { 343 hs.get(TestAccessMode.SET_VOLATILE).invokeExact(2.0d); 344 double x = (double) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(); 345 assertEquals(x, 2.0d, "setVolatile double value"); 346 } 347 348 // Lazy 349 { 350 hs.get(TestAccessMode.SET_RELEASE).invokeExact(1.0d); |