russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
70 lines
2.9 KiB
Java
70 lines
2.9 KiB
Java
/*
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* Copyright (c) 2022, 2024, 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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* @test
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* @summary Testing ClassFile TempConstantPoolBuilder.
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* @run junit TempConstantPoolBuilderTest
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*/
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import java.lang.classfile.*;
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import java.lang.classfile.attribute.RuntimeVisibleAnnotationsAttribute;
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import java.lang.classfile.attribute.SourceFileAttribute;
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import java.lang.reflect.AccessFlag;
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import org.junit.jupiter.api.Test;
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import java.lang.constant.ClassDesc;
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import static helpers.TestConstants.MTD_VOID;
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import static java.lang.constant.ConstantDescs.CD_Object;
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import static java.lang.constant.ConstantDescs.CD_void;
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import java.lang.constant.MethodTypeDesc;
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class TempConstantPoolBuilderTest {
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public static final ClassDesc INTERFACE = ClassDesc.ofDescriptor("Ljava/lang/FunctionalInterface;");
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@Test
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void createAnno() {
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Annotation a = Annotation.of(INTERFACE,
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AnnotationElement.ofString("foo", "bar"));
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}
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@Test
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void addAnno() {
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var cc = ClassFile.of();
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byte[] bytes = cc.build(ClassDesc.of("MyClass"), cb -> {
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cb.withFlags(AccessFlag.PUBLIC)
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.with(SourceFileAttribute.of(cb.constantPool().utf8Entry(("MyClass.java"))))
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.withMethod("<init>", MethodTypeDesc.of(CD_void), 0, mb -> mb
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.withCode(codeb -> codeb.aload(0)
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.invokespecial(CD_Object, "<init>", MTD_VOID, false)
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.return_()
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)
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.with(RuntimeVisibleAnnotationsAttribute.of(Annotation.of(INTERFACE,
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AnnotationElement.ofString("foo", "bar"))))
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);
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});
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ClassModel m = cc.parse(bytes);
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//ClassPrinter.toJson(m, ClassPrinter.Verbosity.TRACE_ALL, System.out::println);
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}
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}
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