| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import annotations.BootstrapMethod; |
| import annotations.CalledByIndy; |
| import java.lang.invoke.CallSite; |
| import java.lang.invoke.ConstantCallSite; |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| |
| class TestReturnValues extends TestBase { |
| static CallSite bsm(MethodHandles.Lookup lookup, String name, MethodType methodType) |
| throws Throwable { |
| MethodHandle mh = lookup.findStatic(TestReturnValues.class, name, methodType); |
| return new ConstantCallSite(mh); |
| } |
| |
| // |
| // Methods that pass through a single argument. |
| // Used to check return path. |
| // |
| static byte passThrough(byte value) { |
| return value; |
| } |
| |
| static char passThrough(char value) { |
| return value; |
| } |
| |
| static double passThrough(double value) { |
| return value; |
| } |
| |
| static float passThrough(float value) { |
| return value; |
| } |
| |
| static int passThrough(int value) { |
| return value; |
| } |
| |
| static Object passThrough(Object value) { |
| return value; |
| } |
| |
| static Object[] passThrough(Object[] value) { |
| return value; |
| } |
| |
| static long passThrough(long value) { |
| return value; |
| } |
| |
| static short passThrough(short value) { |
| return value; |
| } |
| |
| static void passThrough() {} |
| |
| static boolean passThrough(boolean value) { |
| return value; |
| } |
| |
| // byte |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = byte.class, |
| parameterTypes = {byte.class}) |
| private static byte passThroughCallSite(byte value) { |
| assertNotReached(); |
| return (byte) 0; |
| } |
| |
| // char |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = char.class, |
| parameterTypes = {char.class}) |
| private static char passThroughCallSite(char value) { |
| assertNotReached(); |
| return 'Z'; |
| } |
| |
| // double |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = double.class, |
| parameterTypes = {double.class}) |
| private static double passThroughCallSite(double value) { |
| assertNotReached(); |
| return Double.NaN; |
| } |
| |
| // float |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = float.class, |
| parameterTypes = {float.class}) |
| private static float passThroughCallSite(float value) { |
| assertNotReached(); |
| return Float.NaN; |
| } |
| |
| // int |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = int.class, |
| parameterTypes = {int.class}) |
| private static int passThroughCallSite(int value) { |
| assertNotReached(); |
| return 0; |
| } |
| |
| // long |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = long.class, |
| parameterTypes = {long.class}) |
| private static long passThroughCallSite(long value) { |
| assertNotReached(); |
| return Long.MIN_VALUE; |
| } |
| |
| // Object |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = Object.class, |
| parameterTypes = {Object.class}) |
| private static Object passThroughCallSite(Object value) { |
| assertNotReached(); |
| return null; |
| } |
| |
| // Object[] |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = Object[].class, |
| parameterTypes = {Object[].class}) |
| private static Object[] passThroughCallSite(Object[] value) { |
| assertNotReached(); |
| return null; |
| } |
| |
| // short |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = short.class, |
| parameterTypes = {short.class}) |
| private static short passThroughCallSite(short value) { |
| assertNotReached(); |
| return (short) 0; |
| } |
| |
| // void |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = void.class, |
| parameterTypes = {}) |
| private static void passThroughCallSite() { |
| assertNotReached(); |
| } |
| |
| // boolean |
| @CalledByIndy( |
| bootstrapMethod = |
| @BootstrapMethod(enclosingType = TestReturnValues.class, name = "bsm"), |
| fieldOrMethodName = "passThrough", |
| returnType = boolean.class, |
| parameterTypes = {boolean.class}) |
| private static boolean passThroughCallSite(boolean value) { |
| assertNotReached(); |
| return false; |
| } |
| |
| private static void testByteReturnValues() { |
| byte[] values = {Byte.MIN_VALUE, Byte.MAX_VALUE}; |
| for (byte value : values) { |
| assertEquals(value, (byte) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testCharReturnValues() { |
| char[] values = { |
| Character.MIN_VALUE, |
| Character.MAX_HIGH_SURROGATE, |
| Character.MAX_LOW_SURROGATE, |
| Character.MAX_VALUE |
| }; |
| for (char value : values) { |
| assertEquals(value, (char) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testDoubleReturnValues() { |
| double[] values = { |
| Double.MIN_VALUE, |
| Double.MIN_NORMAL, |
| Double.NaN, |
| Double.POSITIVE_INFINITY, |
| Double.NEGATIVE_INFINITY, |
| Double.MAX_VALUE |
| }; |
| for (double value : values) { |
| assertEquals(value, (double) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testFloatReturnValues() { |
| float[] values = { |
| Float.MIN_VALUE, |
| Float.MIN_NORMAL, |
| Float.NaN, |
| Float.POSITIVE_INFINITY, |
| Float.NEGATIVE_INFINITY, |
| Float.MAX_VALUE |
| }; |
| for (float value : values) { |
| assertEquals(value, (float) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testIntReturnValues() { |
| int[] values = {Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.SIZE, -Integer.SIZE}; |
| for (int value : values) { |
| assertEquals(value, (int) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testLongReturnValues() { |
| long[] values = {Long.MIN_VALUE, Long.MAX_VALUE, (long) Long.SIZE, (long) -Long.SIZE}; |
| for (long value : values) { |
| assertEquals(value, (long) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testObjectReturnValues() { |
| Object[] values = {null, "abc", Integer.valueOf(123)}; |
| for (Object value : values) { |
| assertEquals(value, (Object) passThroughCallSite(value)); |
| } |
| |
| Object[] otherValues = (Object[]) passThroughCallSite(values); |
| assertEquals(values.length, otherValues.length); |
| for (int i = 0; i < otherValues.length; ++i) { |
| assertEquals(values[i], otherValues[i]); |
| } |
| } |
| |
| private static void testShortReturnValues() { |
| short[] values = { |
| Short.MIN_VALUE, Short.MAX_VALUE, (short) Short.SIZE, (short) -Short.SIZE |
| }; |
| for (short value : values) { |
| assertEquals(value, (short) passThroughCallSite(value)); |
| } |
| } |
| |
| private static void testVoidReturnValues() { |
| long l = Long.MIN_VALUE; |
| double d = Double.MIN_VALUE; |
| passThroughCallSite(); // Initializes call site |
| assertEquals(Long.MIN_VALUE, l); |
| assertEquals(Double.MIN_VALUE, d); |
| |
| l = Long.MAX_VALUE; |
| d = Double.MAX_VALUE; |
| passThroughCallSite(); // re-uses existing call site |
| assertEquals(Long.MAX_VALUE, l); |
| assertEquals(Double.MAX_VALUE, d); |
| } |
| |
| private static void testBooleanReturnValues() { |
| boolean[] values = {true, false, true, false, false}; |
| for (boolean value : values) { |
| assertEquals(value, (boolean) passThroughCallSite(value)); |
| } |
| } |
| |
| public static void test() { |
| System.out.println(TestReturnValues.class.getName()); |
| // Two passes here - the first is for the call site creation and invoke path, the second |
| // for the lookup and invoke path. |
| for (int pass = 0; pass < 2; ++pass) { |
| testByteReturnValues(); // B |
| testCharReturnValues(); // C |
| testDoubleReturnValues(); // D |
| testFloatReturnValues(); // F |
| testIntReturnValues(); // I |
| testLongReturnValues(); // J |
| testObjectReturnValues(); // L |
| testShortReturnValues(); // S |
| testVoidReturnValues(); // S |
| testBooleanReturnValues(); // Z |
| } |
| } |
| } |