author | psandoz |
Wed, 31 Jan 2018 11:20:36 -0800 | |
changeset 48827 | 8772acd913e5 |
child 48834 | 19ef3f64bc10 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 8186046 |
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* @summary Test dynamic constant bootstraps |
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* @library /lib/testlibrary/bytecode /java/lang/invoke/common |
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* @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper |
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* @run testng ConstantBootstrapsTest |
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* @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 ConstantBootstrapsTest |
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*/ |
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import jdk.experimental.bytecode.PoolHelper; |
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import org.testng.annotations.Test; |
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import test.java.lang.invoke.lib.InstructionHelper; |
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|
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import java.lang.invoke.ConstantBootstraps; |
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import java.lang.invoke.MethodHandle; |
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import java.lang.invoke.MethodHandleInfo; |
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import java.lang.invoke.MethodHandles; |
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import java.lang.invoke.MethodType; |
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import java.lang.invoke.VarHandle; |
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import java.lang.invoke.WrongMethodTypeException; |
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import java.math.BigInteger; |
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import java.util.List; |
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import java.util.Map; |
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import static org.testng.Assert.assertEquals; |
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import static org.testng.Assert.assertNull; |
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@Test |
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public class ConstantBootstrapsTest { |
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static final MethodHandles.Lookup L = MethodHandles.lookup(); |
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static MethodType lookupMT(Class<?> ret, Class<?>... params) { |
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return MethodType.methodType(ret, MethodHandles.Lookup.class, String.class, Class.class). |
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appendParameterTypes(params); |
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} |
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public void testNullConstant() throws Throwable { |
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var handle = InstructionHelper.ldcDynamicConstant(L, "_", Object.class, |
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ConstantBootstraps.class, "nullConstant", lookupMT(Object.class), |
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S -> {}); |
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assertNull(handle.invoke()); |
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handle = InstructionHelper.ldcDynamicConstant(L, "_", MethodType.class, |
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ConstantBootstraps.class, "nullConstant", lookupMT(Object.class), |
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S -> {}); |
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assertNull(handle.invoke()); |
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} |
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@Test(expectedExceptions = IllegalArgumentException.class) |
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public void testNullConstantPrimitiveClass() { |
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ConstantBootstraps.nullConstant(MethodHandles.lookup(), null, int.class); |
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} |
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public void testPrimitiveClass() throws Throwable { |
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var pm = Map.of( |
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"I", int.class, |
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"J", long.class, |
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"S", short.class, |
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"B", byte.class, |
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"C", char.class, |
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"F", float.class, |
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"D", double.class, |
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"Z", boolean.class, |
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"V", void.class |
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); |
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for (var desc : pm.keySet()) { |
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var handle = InstructionHelper.ldcDynamicConstant(L, desc, Class.class, |
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ConstantBootstraps.class, "primitiveClass", lookupMT(Class.class), |
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S -> {}); |
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assertEquals(handle.invoke(), pm.get(desc)); |
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} |
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} |
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@Test(expectedExceptions = NullPointerException.class) |
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public void testPrimitiveClassNullName() { |
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ConstantBootstraps.primitiveClass(MethodHandles.lookup(), null, Class.class); |
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} |
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@Test(expectedExceptions = NullPointerException.class) |
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public void testPrimitiveClassNullType() { |
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ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "I", null); |
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} |
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@Test(expectedExceptions = IllegalArgumentException.class) |
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public void testPrimitiveClassEmptyName() { |
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ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "", Class.class); |
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} |
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@Test(expectedExceptions = IllegalArgumentException.class) |
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public void testPrimitiveClassWrongNameChar() { |
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ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "L", Class.class); |
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} |
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@Test(expectedExceptions = IllegalArgumentException.class) |
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public void testPrimitiveClassWrongNameString() { |
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ConstantBootstraps.primitiveClass(MethodHandles.lookup(), "Ljava/lang/Object;", Class.class); |
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} |
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public void testEnumConstant() throws Throwable { |
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for (var v : StackWalker.Option.values()) { |
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var handle = InstructionHelper.ldcDynamicConstant(L, v.name(), StackWalker.Option.class, |
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ConstantBootstraps.class, "enumConstant", lookupMT(Enum.class), |
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S -> { }); |
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assertEquals(handle.invoke(), v); |
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} |
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} |
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@Test(expectedExceptions = IllegalArgumentException.class) |
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public void testEnumConstantUnknown() { |
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ConstantBootstraps.enumConstant(MethodHandles.lookup(), "DOES_NOT_EXIST", StackWalker.Option.class); |
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} |
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139 |
|
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140 |
|
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141 |
public void testGetStaticDecl() throws Throwable { |
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var handle = InstructionHelper.ldcDynamicConstant(L, "TYPE", Class.class, |
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143 |
ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class, Class.class), |
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S -> { S.add("java/lang/Integer", PoolHelper::putClass); }); |
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assertEquals(handle.invoke(), int.class); |
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146 |
} |
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147 |
|
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148 |
public void testGetStaticSelf() throws Throwable { |
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var handle = InstructionHelper.ldcDynamicConstant(L, "MAX_VALUE", int.class, |
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150 |
ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class), |
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151 |
S -> { }); |
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152 |
assertEquals(handle.invoke(), Integer.MAX_VALUE); |
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153 |
|
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154 |
|
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155 |
handle = InstructionHelper.ldcDynamicConstant(L, "ZERO", BigInteger.class, |
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156 |
ConstantBootstraps.class, "getStaticFinal", lookupMT(Object.class), |
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157 |
S -> { }); |
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158 |
assertEquals(handle.invoke(), BigInteger.ZERO); |
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|
159 |
} |
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160 |
|
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161 |
|
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162 |
public void testInvoke() throws Throwable { |
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163 |
var handle = InstructionHelper.ldcDynamicConstant( |
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164 |
L, "_", List.class, |
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|
165 |
ConstantBootstraps.class, "invoke", lookupMT(Object.class, MethodHandle.class, Object[].class), |
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|
166 |
S -> { |
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|
167 |
S.add("", (P, Z) -> { |
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168 |
return P.putHandle(MethodHandleInfo.REF_invokeStatic, "java/util/List", "of", |
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169 |
MethodType.methodType(List.class, Object[].class).toMethodDescriptorString(), |
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|
170 |
true); |
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|
171 |
}); |
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172 |
S.add(1).add(2).add(3).add(4); |
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|
173 |
}); |
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174 |
assertEquals(handle.invoke(), List.of(1, 2, 3, 4)); |
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|
175 |
} |
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176 |
|
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|
177 |
public void testInvokeAsType() throws Throwable { |
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|
178 |
var handle = InstructionHelper.ldcDynamicConstant( |
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|
179 |
L, "_", int.class, |
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|
180 |
ConstantBootstraps.class, "invoke", lookupMT(Object.class, MethodHandle.class, Object[].class), |
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|
181 |
S -> { |
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|
182 |
S.add("", (P, Z) -> { |
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|
183 |
return P.putHandle(MethodHandleInfo.REF_invokeStatic, "java/lang/Integer", "valueOf", |
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|
184 |
MethodType.methodType(Integer.class, String.class).toMethodDescriptorString(), |
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|
185 |
false); |
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|
186 |
}); |
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|
187 |
S.add("42"); |
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|
188 |
}); |
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|
189 |
assertEquals(handle.invoke(), 42); |
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|
190 |
} |
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|
191 |
|
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|
192 |
@Test(expectedExceptions = ClassCastException.class) |
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|
193 |
public void testInvokeAsTypeClassCast() throws Throwable { |
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|
194 |
ConstantBootstraps.invoke(MethodHandles.lookup(), "_", String.class, |
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|
195 |
MethodHandles.lookup().findStatic(Integer.class, "valueOf", MethodType.methodType(Integer.class, String.class)), |
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|
196 |
"42"); |
8772acd913e5
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|
197 |
} |
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|
198 |
|
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|
199 |
@Test(expectedExceptions = WrongMethodTypeException.class) |
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|
200 |
public void testInvokeAsTypeWrongReturnType() throws Throwable { |
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|
201 |
ConstantBootstraps.invoke(MethodHandles.lookup(), "_", short.class, |
8772acd913e5
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|
202 |
MethodHandles.lookup().findStatic(Integer.class, "parseInt", MethodType.methodType(int.class, String.class)), |
8772acd913e5
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|
203 |
"42"); |
8772acd913e5
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|
204 |
} |
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|
205 |
|
8772acd913e5
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|
206 |
|
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|
207 |
static class X { |
8772acd913e5
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|
208 |
public String f; |
8772acd913e5
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|
209 |
public static String sf; |
8772acd913e5
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|
210 |
} |
8772acd913e5
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changeset
|
211 |
|
8772acd913e5
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|
212 |
public void testVarHandleField() throws Throwable { |
8772acd913e5
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|
213 |
var handle = InstructionHelper.ldcDynamicConstant( |
8772acd913e5
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|
214 |
L, "f", VarHandle.class, |
8772acd913e5
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changeset
|
215 |
ConstantBootstraps.class, "fieldVarHandle", lookupMT(VarHandle.class, Class.class, Class.class), |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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|
216 |
S -> { |
8772acd913e5
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|
217 |
S.add(X.class.getName().replace('.', '/'), PoolHelper::putClass). |
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|
218 |
add("java/lang/String", PoolHelper::putClass); |
8772acd913e5
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|
219 |
}); |
8772acd913e5
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|
220 |
|
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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|
221 |
var vhandle = (VarHandle) handle.invoke(); |
8772acd913e5
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|
222 |
assertEquals(vhandle.varType(), String.class); |
8772acd913e5
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|
223 |
assertEquals(vhandle.coordinateTypes(), List.of(X.class)); |
8772acd913e5
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|
224 |
} |
8772acd913e5
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|
225 |
|
8772acd913e5
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|
226 |
public void testVarHandleStaticField() throws Throwable { |
8772acd913e5
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|
227 |
var handle = InstructionHelper.ldcDynamicConstant( |
8772acd913e5
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psandoz
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|
228 |
L, "sf", VarHandle.class, |
8772acd913e5
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psandoz
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diff
changeset
|
229 |
ConstantBootstraps.class, "staticFieldVarHandle", lookupMT(VarHandle.class, Class.class, Class.class), |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
230 |
S -> { |
8772acd913e5
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|
231 |
S.add(X.class.getName().replace('.', '/'), PoolHelper::putClass). |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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|
232 |
add("java/lang/String", PoolHelper::putClass); |
8772acd913e5
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|
233 |
}); |
8772acd913e5
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changeset
|
234 |
|
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
235 |
var vhandle = (VarHandle) handle.invoke(); |
8772acd913e5
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psandoz
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|
236 |
assertEquals(vhandle.varType(), String.class); |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
237 |
assertEquals(vhandle.coordinateTypes(), List.of()); |
8772acd913e5
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psandoz
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diff
changeset
|
238 |
} |
8772acd913e5
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changeset
|
239 |
|
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
240 |
public void testVarHandleArray() throws Throwable { |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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diff
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|
241 |
var handle = InstructionHelper.ldcDynamicConstant( |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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diff
changeset
|
242 |
L, "_", VarHandle.class, |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
parents:
diff
changeset
|
243 |
ConstantBootstraps.class, "arrayVarHandle", lookupMT(VarHandle.class, Class.class), |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
244 |
S -> { |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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|
245 |
S.add(String[].class.getName().replace('.', '/'), PoolHelper::putClass); |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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diff
changeset
|
246 |
}); |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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diff
changeset
|
247 |
|
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
psandoz
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|
248 |
var vhandle = (VarHandle) handle.invoke(); |
8772acd913e5
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|
249 |
assertEquals(vhandle.varType(), String.class); |
8772acd913e5
8187742: Minimal set of bootstrap methods for constant dynamic
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|
250 |
assertEquals(vhandle.coordinateTypes(), List.of(String[].class, int.class)); |
8772acd913e5
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|
251 |
} |
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|
252 |
} |