diff -r ef8a98bc71f8 -r c4d9d1b08e2e test/jdk/java/lang/invoke/condy/CondyStaticArgumentsTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/java/lang/invoke/condy/CondyStaticArgumentsTest.java Fri Sep 08 10:46:46 2017 -0700 @@ -0,0 +1,201 @@ +/* + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8186046 + * @summary Test bootstrap arguments for condy + * @library /lib/testlibrary/bytecode /java/lang/invoke/common + * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper + * @run testng CondyStaticArgumentsTest + * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyStaticArgumentsTest + */ + +import jdk.experimental.bytecode.PoolHelper; +import org.testng.Assert; +import org.testng.annotations.Test; +import test.java.lang.invoke.lib.InstructionHelper; + +import java.lang.invoke.ConstantCallSite; +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandleInfo; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.lang.reflect.Method; +import java.math.BigDecimal; +import java.math.MathContext; +import java.util.StringJoiner; +import java.util.stream.Stream; + +import static java.lang.invoke.MethodType.methodType; + +public class CondyStaticArgumentsTest { + static final MethodHandles.Lookup L = MethodHandles.lookup(); + + static class BSMInfo { + final String methodName; + final MethodHandle handle; + final String descriptor; + + BSMInfo(String name) { + methodName = name; + + Method m = Stream.of(CondyStaticArgumentsTest.class.getDeclaredMethods()) + .filter(x -> x.getName().equals(methodName)).findFirst() + .get(); + try { + handle = MethodHandles.lookup().unreflect(m); + } + catch (Exception e) { + throw new Error(e); + } + descriptor = handle.type().toMethodDescriptorString(); + } + + static BSMInfo of(String name) { + return new BSMInfo(name); + } + } + + static String basicArgs(MethodHandles.Lookup l, String name, Class type, + int i, long j, float f, double d, + Class c, String s, + MethodType mt, MethodHandle mh) { + return new StringJoiner("-") + .add(name) + .add(type.getSimpleName()) + .add(Integer.toString(i)) + .add(Long.toString(j)) + .add(Float.toString(f)) + .add(Double.toString(d)) + .add(c.getSimpleName()) + .add(s) + .add(mt.toString()) + .add(Integer.toString(mh.type().parameterCount())) + .toString(); + } + + @Test + public void testBasicArgs() throws Throwable { + BSMInfo bi = BSMInfo.of("basicArgs"); + MethodHandleInfo mhi = MethodHandles.lookup().revealDirect(bi.handle); + + MethodHandle mh = InstructionHelper.ldcDynamicConstant( + L, "constant-name", String.class, + bi.methodName, bi.handle.type(), + S -> S.add(1).add(2L).add(3.0f).add(4.0d) + .add("java/lang/Number", PoolHelper::putClass) + .add("something", PoolHelper::putString) + .add("(IJFD)V", PoolHelper::putMethodType) + .add(mhi, (P, Z) -> { + return P.putHandle(mhi.getReferenceKind(), "CondyStaticArgumentsTest", mhi.getName(), bi.descriptor); + })); + + Assert.assertEquals(mh.invoke(), "constant-name-String-1-2-3.0-4.0-Number-something-(int,long,float,double)void-11"); + } + + + static MathContext mathContext(MethodHandles.Lookup l, String value, Class type) { + switch (value) { + case "UNLIMITED": + return MathContext.UNLIMITED; + case "DECIMAL32": + return MathContext.DECIMAL32; + case "DECIMAL64": + return MathContext.DECIMAL64; + case "DECIMAL128": + return MathContext.DECIMAL128; + default: + throw new UnsupportedOperationException(); + } + } + + static BigDecimal bigDecimal(MethodHandles.Lookup l, String name, Class type, + String value, MathContext mc) { + return new BigDecimal(value, mc); + } + + static String condyWithCondy(MethodHandles.Lookup l, String name, Class type, + BigDecimal d) { + return new StringJoiner("-") + .add(name) + .add(type.getSimpleName()) + .add(d.toString()) + .add(Integer.toString(d.precision())) + .toString(); + } + + static int bigDecimalPoolHelper(String value, String mc, PoolHelper P) { + BSMInfo bi = BSMInfo.of("bigDecimal"); + return P.putDynamicConstant("big-decimal", "Ljava/math/BigDecimal;", InstructionHelper.csym(L.lookupClass()), bi.methodName, bi.descriptor, + S -> S.add(value, PoolHelper::putString) + .add(mc, (P2, s) -> { + return mathContextPoolHelper(s, P2); + })); + } + + static int mathContextPoolHelper(String mc, PoolHelper P) { + BSMInfo bi = BSMInfo.of("mathContext"); + return P.putDynamicConstant(mc, "Ljava/math/MathContext;", InstructionHelper.csym(L.lookupClass()), bi.methodName, bi.descriptor, + S -> { + }); + } + + @Test + public void testCondyWithCondy() throws Throwable { + BSMInfo bi = BSMInfo.of("condyWithCondy"); + + MethodHandle mh = InstructionHelper.ldcDynamicConstant( + L, "big-decimal-math-context", String.class, + bi.methodName, bi.handle.type(), + S -> S.add(null, (P, v) -> { + return bigDecimalPoolHelper("3.14159265358979323846", "DECIMAL32", P); + })); + Assert.assertEquals(mh.invoke(), "big-decimal-math-context-String-3.141593-7"); + } + + + static ConstantCallSite indyWithCondy(MethodHandles.Lookup l, String name, MethodType type, + BigDecimal d) { + String s = new StringJoiner("-") + .add(name) + .add(type.toMethodDescriptorString()) + .add(d.toString()) + .add(Integer.toString(d.precision())) + .toString(); + return new ConstantCallSite(MethodHandles.constant(String.class, s)); + } + + @Test + public void testIndyWithCondy() throws Throwable { + BSMInfo bi = BSMInfo.of("indyWithCondy"); + + MethodHandle mh = InstructionHelper.invokedynamic( + L, "big-decimal-math-context", methodType(String.class), + bi.methodName, bi.handle.type(), + S -> S.add(null, (P, v) -> { + return bigDecimalPoolHelper("3.14159265358979323846", "DECIMAL32", P); + })); + Assert.assertEquals(mh.invoke(), "big-decimal-math-context-()Ljava/lang/String;-3.141593-7"); + } +}