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/*
* 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 <E> int bigDecimalPoolHelper(String value, String mc, PoolHelper<String, String, E> 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 <E> int mathContextPoolHelper(String mc, PoolHelper<String, String, E> 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");
}
}
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