--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/invoke/condy/ConstantBootstrapsTest.java Wed Jan 31 11:20:36 2018 -0800
@@ -0,0 +1,252 @@
+/*
+ * 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 dynamic constant bootstraps
+ * @library /lib/testlibrary/bytecode /java/lang/invoke/common
+ * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper
+ * @run testng ConstantBootstrapsTest
+ * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 ConstantBootstrapsTest
+ */
+
+import jdk.experimental.bytecode.PoolHelper;
+import org.testng.annotations.Test;
+import test.java.lang.invoke.lib.InstructionHelper;
+
+import java.lang.invoke.ConstantBootstraps;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandleInfo;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.lang.invoke.VarHandle;
+import java.lang.invoke.WrongMethodTypeException;
+import java.math.BigInteger;
+import java.util.List;
+import java.util.Map;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNull;
+
+@Test
+public class ConstantBootstrapsTest {
+ static final MethodHandles.Lookup L = MethodHandles.lookup();
+
+ static MethodType lookupMT(Class<?> ret, Class<?>... params) {
+ return MethodType.methodType(ret, MethodHandles.Lookup.class, String.class, Class.class).
+ appendParameterTypes(params);
+ }
+
+ public void testNullConstant() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(L, "_", Object.class,
+ ConstantBootstraps.class, "nullConstant", lookupMT(Object.class),
+ S -> {});
+ assertNull(handle.invoke());
+
+ handle = InstructionHelper.ldcDynamicConstant(L, "_", MethodType.class,
+ ConstantBootstraps.class, "nullConstant", lookupMT(Object.class),
+ S -> {});
+ assertNull(handle.invoke());
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void testNullConstantPrimitiveClass() {
+ ConstantBootstraps.nullConstant(MethodHandles.lookup(), null, int.class);
+ }
+
+
+ public void testPrimitiveClass() throws Throwable {
+ var pm = Map.of(
+ "I", int.class,
+ "J", long.class,
+ "S", short.class,
+ "B", byte.class,
+ "C", char.class,
+ "F", float.class,
+ "D", double.class,
+ "Z", boolean.class,
+ "V", void.class
+ );
+
+ for (var desc : pm.keySet()) {
+ var handle = InstructionHelper.ldcDynamicConstant(L, desc, Class.class,
+ ConstantBootstraps.class, "primitiveClass", lookupMT(Class.class),
+ S -> {});
+ assertEquals(handle.invoke(), pm.get(desc));
+ }
+ }
+
+ @Test(expectedExceptions = NullPointerException.class)
+ public void testPrimitiveClassNullName() {
+ ConstantBootstraps.primitiveClass(MethodHandles.lookup(), null, Class.class);
+ }
+
+ @Test(expectedExceptions = NullPointerException.class)
+ public void testPrimitiveClassNullType() {
+ ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "I", null);
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void testPrimitiveClassEmptyName() {
+ ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "", Class.class);
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void testPrimitiveClassWrongNameChar() {
+ ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "L", Class.class);
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void testPrimitiveClassWrongNameString() {
+ ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "Ljava/lang/Object;", Class.class);
+ }
+
+
+ public void testEnumConstant() throws Throwable {
+ for (var v : StackWalker.Option.values()) {
+ var handle = InstructionHelper.ldcDynamicConstant(L, v.name(), StackWalker.Option.class,
+ ConstantBootstraps.class, "enumConstant", lookupMT(Enum.class),
+ S -> { });
+ assertEquals(handle.invoke(), v);
+ }
+ }
+
+ @Test(expectedExceptions = IllegalArgumentException.class)
+ public void testEnumConstantUnknown() {
+ ConstantBootstraps.enumConstant(MethodHandles.lookup(), "DOES_NOT_EXIST", StackWalker.Option.class);
+ }
+
+
+ public void testGetStaticDecl() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(L, "TYPE", Class.class,
+ ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class, Class.class),
+ S -> { S.add("java/lang/Integer", PoolHelper::putClass); });
+ assertEquals(handle.invoke(), int.class);
+ }
+
+ public void testGetStaticSelf() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(L, "MAX_VALUE", int.class,
+ ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class),
+ S -> { });
+ assertEquals(handle.invoke(), Integer.MAX_VALUE);
+
+
+ handle = InstructionHelper.ldcDynamicConstant(L, "ZERO", BigInteger.class,
+ ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class),
+ S -> { });
+ assertEquals(handle.invoke(), BigInteger.ZERO);
+ }
+
+
+ public void testInvoke() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(
+ L, "_", List.class,
+ ConstantBootstraps.class, "invoke", lookupMT(Object.class, MethodHandle.class, Object[].class),
+ S -> {
+ S.add("", (P, Z) -> {
+ return P.putHandle(MethodHandleInfo.REF_invokeStatic, "java/util/List", "of",
+ MethodType.methodType(List.class, Object[].class).toMethodDescriptorString(),
+ true);
+ });
+ S.add(1).add(2).add(3).add(4);
+ });
+ assertEquals(handle.invoke(), List.of(1, 2, 3, 4));
+ }
+
+ public void testInvokeAsType() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(
+ L, "_", int.class,
+ ConstantBootstraps.class, "invoke", lookupMT(Object.class, MethodHandle.class, Object[].class),
+ S -> {
+ S.add("", (P, Z) -> {
+ return P.putHandle(MethodHandleInfo.REF_invokeStatic, "java/lang/Integer", "valueOf",
+ MethodType.methodType(Integer.class, String.class).toMethodDescriptorString(),
+ false);
+ });
+ S.add("42");
+ });
+ assertEquals(handle.invoke(), 42);
+ }
+
+ @Test(expectedExceptions = ClassCastException.class)
+ public void testInvokeAsTypeClassCast() throws Throwable {
+ ConstantBootstraps.invoke(MethodHandles.lookup(), "_", String.class,
+ MethodHandles.lookup().findStatic(Integer.class, "valueOf", MethodType.methodType(Integer.class, String.class)),
+ "42");
+ }
+
+ @Test(expectedExceptions = WrongMethodTypeException.class)
+ public void testInvokeAsTypeWrongReturnType() throws Throwable {
+ ConstantBootstraps.invoke(MethodHandles.lookup(), "_", short.class,
+ MethodHandles.lookup().findStatic(Integer.class, "parseInt", MethodType.methodType(int.class, String.class)),
+ "42");
+ }
+
+
+ static class X {
+ public String f;
+ public static String sf;
+ }
+
+ public void testVarHandleField() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(
+ L, "f", VarHandle.class,
+ ConstantBootstraps.class, "fieldVarHandle", lookupMT(VarHandle.class, Class.class, Class.class),
+ S -> {
+ S.add(X.class.getName().replace('.', '/'), PoolHelper::putClass).
+ add("java/lang/String", PoolHelper::putClass);
+ });
+
+ var vhandle = (VarHandle) handle.invoke();
+ assertEquals(vhandle.varType(), String.class);
+ assertEquals(vhandle.coordinateTypes(), List.of(X.class));
+ }
+
+ public void testVarHandleStaticField() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(
+ L, "sf", VarHandle.class,
+ ConstantBootstraps.class, "staticFieldVarHandle", lookupMT(VarHandle.class, Class.class, Class.class),
+ S -> {
+ S.add(X.class.getName().replace('.', '/'), PoolHelper::putClass).
+ add("java/lang/String", PoolHelper::putClass);
+ });
+
+ var vhandle = (VarHandle) handle.invoke();
+ assertEquals(vhandle.varType(), String.class);
+ assertEquals(vhandle.coordinateTypes(), List.of());
+ }
+
+ public void testVarHandleArray() throws Throwable {
+ var handle = InstructionHelper.ldcDynamicConstant(
+ L, "_", VarHandle.class,
+ ConstantBootstraps.class, "arrayVarHandle", lookupMT(VarHandle.class, Class.class),
+ S -> {
+ S.add(String[].class.getName().replace('.', '/'), PoolHelper::putClass);
+ });
+
+ var vhandle = (VarHandle) handle.invoke();
+ assertEquals(vhandle.varType(), String.class);
+ assertEquals(vhandle.coordinateTypes(), List.of(String[].class, int.class));
+ }
+}