cfdc64fcb4
Reviewed-by: liach, redestad, vromero
124 lines
5.6 KiB
Java
124 lines
5.6 KiB
Java
/*
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* Copyright (c) 2015, 2016, 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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* @bug 8044411 8079060 8138612
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* @summary Tests the RuntimeParameterVisibleAnnotations/RuntimeParameterInvisibleAnnotations attribute.
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* @enablePreview
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* @modules java.base/jdk.internal.classfile.impl
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* @library /tools/lib /tools/javac/lib ../lib
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* @build toolbox.ToolBox InMemoryFileManager TestResult TestBase
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* @build WorkAnnotations TestCase ClassType TestAnnotationInfo
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* @build RuntimeParameterAnnotationsForLambdaTest AnnotationsTestBase RuntimeParameterAnnotationsTestBase
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* @run main RuntimeParameterAnnotationsForLambdaTest
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*/
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import java.lang.classfile.Attributes;
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import java.lang.classfile.ClassModel;
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import java.lang.classfile.MethodModel;
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import java.lang.classfile.attribute.RuntimeInvisibleParameterAnnotationsAttribute;
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import java.lang.classfile.attribute.RuntimeVisibleParameterAnnotationsAttribute;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* RuntimeParameterAnnotationsForLambdaTest is a test which checks that RuntimeVisibleParameterAnnotationsAttribute
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* and RuntimeInvisibleParameterAnnotationsAttribute are not generated at all for lambda expressions.
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* The test checks both single and repeatable annotations.
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* All possible combinations of retention policies are tested.
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*
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* The test generates source code, compiles it and checks the byte code.
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*
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* See README.txt for more information.
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*/
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public class RuntimeParameterAnnotationsForLambdaTest extends RuntimeParameterAnnotationsTestBase {
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private static final String CLASS_NAME = "Test";
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private static final String SOURCE_TEMPLATE =
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"public class " + CLASS_NAME + " {\n" +
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" interface I { void method(int a, double b, String c); }\n" +
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" %SOURCE%\n" +
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"}";
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public static void main(String[] args) throws TestFailedException {
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new RuntimeParameterAnnotationsForLambdaTest().test();
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}
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@Override
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public void test() throws TestFailedException {
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try {
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for (TestAnnotationInfos annotations : getAllCombinationsOfAnnotations()) {
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try {
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TestCase.TestMethodInfo testMethodInfo = new TestCase.TestMethodInfo(0, null, "lambda", false, false);
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TestCase.TestParameterInfo p1 = testMethodInfo.addParameter("int", "a");
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annotations.annotate(p1);
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testMethodInfo.addParameter("double", "b");
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TestCase.TestParameterInfo p3 = testMethodInfo.addParameter("String", "c");
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annotations.annotate(p3);
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String source = SOURCE_TEMPLATE.replace("%SOURCE%", generateLambdaSource(testMethodInfo));
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addTestCase(source);
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echo("Testing:\n" + source);
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ClassModel classFile = readClassFile(compile(source).getClasses().get(CLASS_NAME));
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boolean isFoundLambda = false;
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for (MethodModel method : classFile.methods()) {
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if (method.methodName().stringValue().startsWith("lambda$")) {
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isFoundLambda = true;
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testAttributes(testMethodInfo, method);
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}
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}
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checkTrue(isFoundLambda, "The tested lambda method was not found.");
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} catch (Exception e) {
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addFailure(e);
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}
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}
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} finally {
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checkStatus();
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}
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}
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protected void testAttributes(
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TestCase.TestMethodInfo testMethod,
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MethodModel method) {
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RuntimeInvisibleParameterAnnotationsAttribute invAttr = method.findAttribute(Attributes.runtimeInvisibleParameterAnnotations()).orElse(null);
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checkNull(invAttr, String.format("%s should be null", Attributes.runtimeInvisibleParameterAnnotations()));
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RuntimeVisibleParameterAnnotationsAttribute vAttr = method.findAttribute(Attributes.runtimeVisibleParameterAnnotations()).orElse(null);
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checkNull(vAttr, String.format("%s should be null", Attributes.runtimeVisibleParameterAnnotations()));
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}
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public String generateLambdaSource(TestCase.TestMethodInfo method) {
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return method.parameters.stream()
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.map(TestCase.TestParameterInfo::generateSource)
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.collect(Collectors.joining(", ", "I i = (", ") -> {};"));
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}
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@Override
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public List<TestCase> generateTestCases() {
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throw new UnsupportedOperationException();
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}
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}
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