257 lines
12 KiB
Java
257 lines
12 KiB
Java
/*
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* Copyright (c) 2015, 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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import java.lang.classfile.Attribute;
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import javax.tools.JavaFileObject;
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import java.io.IOException;
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import java.lang.annotation.RetentionPolicy;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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import java.util.stream.Stream;
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public abstract class AnnotationsTestBase extends TestResult {
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/**
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* Element values which are used in generation of annotations.
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*/
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private static final TestAnnotationInfo.Pair[] elementValues = {
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new TestAnnotationInfo.Pair("booleanValue", new TestAnnotationInfo.TestBooleanElementValue(true)),
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new TestAnnotationInfo.Pair("byteValue", new TestAnnotationInfo.TestIntegerElementValue('B', 83)),
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new TestAnnotationInfo.Pair("charValue", new TestAnnotationInfo.TestCharElementValue('H')),
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new TestAnnotationInfo.Pair("shortValue", new TestAnnotationInfo.TestIntegerElementValue('S', 14)),
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new TestAnnotationInfo.Pair("intValue", new TestAnnotationInfo.TestIntegerElementValue('I', 18)),
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new TestAnnotationInfo.Pair("longValue", new TestAnnotationInfo.TestLongElementValue(14)),
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new TestAnnotationInfo.Pair("floatValue", new TestAnnotationInfo.TestFloatElementValue(-1)),
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new TestAnnotationInfo.Pair("doubleValue", new TestAnnotationInfo.TestDoubleElementValue(-83)),
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new TestAnnotationInfo.Pair("stringValue", new TestAnnotationInfo.TestStringElementValue("///")),
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new TestAnnotationInfo.Pair("arrayValue1", new TestAnnotationInfo.TestArrayElementValue(
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new TestAnnotationInfo.TestIntegerElementValue('I', 1),
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new TestAnnotationInfo.TestIntegerElementValue('I', 4),
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new TestAnnotationInfo.TestIntegerElementValue('I', 8),
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new TestAnnotationInfo.TestIntegerElementValue('I', 3))),
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new TestAnnotationInfo.Pair("arrayValue2", new TestAnnotationInfo.TestArrayElementValue(
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new TestAnnotationInfo.TestStringElementValue("AAA"),
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new TestAnnotationInfo.TestStringElementValue("BBB"))),
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new TestAnnotationInfo.Pair("enumValue", new TestAnnotationInfo.TestEnumElementValue("EnumValue", "VALUE2")),
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new TestAnnotationInfo.Pair("classValue1", new TestAnnotationInfo.TestClassElementValue("void.class")),
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new TestAnnotationInfo.Pair("classValue2", new TestAnnotationInfo.TestClassElementValue("Character.class")),
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new TestAnnotationInfo.Pair("annoValue", new TestAnnotationInfo.TestAnnotationElementValue("AnnotationValue",
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new TestAnnotationInfo("AnnotationValue", RetentionPolicy.CLASS,
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new TestAnnotationInfo.Pair("stringValue",
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new TestAnnotationInfo.TestStringElementValue("StringValue1"))))),
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new TestAnnotationInfo.Pair("annoArrayValue", new TestAnnotationInfo.TestArrayElementValue(
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new TestAnnotationInfo.TestAnnotationElementValue("AnnotationValue",
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new TestAnnotationInfo("AnnotationValue", RetentionPolicy.CLASS,
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new TestAnnotationInfo.Pair("stringValue",
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new TestAnnotationInfo.TestStringElementValue("StringValue1")))),
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new TestAnnotationInfo.TestAnnotationElementValue("AnnotationValue",
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new TestAnnotationInfo("AnnotationValue", RetentionPolicy.CLASS,
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new TestAnnotationInfo.Pair("stringValue",
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new TestAnnotationInfo.TestStringElementValue("StringValue1"))))))
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};
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/**
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* Masks which are used in generation of annotations.
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* E.g. mask 0 corresponds to an annotation without element values.
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*/
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private static final int[] elementValuesCombinations;
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static {
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List<Integer> combinations = new ArrayList<>();
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combinations.add(0);
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for (int i = 0; i < elementValues.length; ++i) {
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combinations.add(1 << i);
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}
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// pairs int value and another value
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for (int i = 0; i < elementValues.length; ++i) {
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combinations.add((1 << 5) | (1 << i));
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}
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combinations.add((1 << elementValues.length) - 1);
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elementValuesCombinations = combinations.stream().mapToInt(Integer::intValue).toArray();
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}
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/**
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* Method generates a list of test cases.
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* Method is called in the method {@code call()}.
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*
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* @return a list of test cases
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*/
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public abstract List<TestCase> generateTestCases();
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public abstract void test(TestCase testCase, Map<String, ? extends JavaFileObject> classes)
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throws IOException;
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/**
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* The method is used to create a repeatable annotation.
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*/
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private TestAnnotationInfo createSomeAnnotation(String annotationName) {
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return new TestAnnotationInfo(annotationName, getRetentionPolicy(annotationName),
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new TestAnnotationInfo.Pair("booleanValue",
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new TestAnnotationInfo.TestBooleanElementValue(true)),
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new TestAnnotationInfo.Pair("intValue",
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new TestAnnotationInfo.TestIntegerElementValue('I', 1)),
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new TestAnnotationInfo.Pair("enumValue",
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new TestAnnotationInfo.TestEnumElementValue("EnumValue", "VALUE1")));
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}
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private TestAnnotationInfo getAnnotationByMask(String annotationName, int mask) {
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List<TestAnnotationInfo.Pair> pairs = new ArrayList<>();
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for (int i = 0; i < elementValues.length; ++i) {
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if ((mask & (1 << i)) != 0) {
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pairs.add(elementValues[i]);
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}
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}
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return new TestAnnotationInfo(
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annotationName,
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getRetentionPolicy(annotationName),
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pairs.toArray(new TestAnnotationInfo.Pair[pairs.size()]));
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}
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/**
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* Class represents annotations which will be applied to one method.
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*/
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public static class TestAnnotationInfos {
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public final List<TestAnnotationInfo> annotations;
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public TestAnnotationInfos(List<TestAnnotationInfo> a) {
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this.annotations = a;
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}
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public void annotate(TestCase.TestMemberInfo memberInfo) {
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annotations.forEach(memberInfo::addAnnotation);
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}
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}
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/**
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* Convenience method to group test cases.
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* Increases speed of tests.
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*/
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public List<List<TestAnnotationInfos>> groupAnnotations(List<TestAnnotationInfos> annotations) {
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List<List<TestAnnotationInfos>> groupedAnnotations = new ArrayList<>();
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int size = 32;
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List<TestAnnotationInfos> current = null;
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for (TestAnnotationInfos infos : annotations) {
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if (current == null || current.size() == size) {
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current = new ArrayList<>();
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groupedAnnotations.add(current);
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}
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current.add(infos);
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}
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return groupedAnnotations;
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}
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public List<TestAnnotationInfos> getAllCombinationsOfAnnotations() {
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List<TestAnnotationInfos> combinations = new ArrayList<>();
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for (Annotations annotationName1 : Annotations.values()) {
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List<TestAnnotationInfo> list = IntStream.of(elementValuesCombinations)
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.mapToObj(e -> getAnnotationByMask(annotationName1.getAnnotationName(), e))
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.collect(Collectors.toList());
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// add cases with a single annotation
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combinations.addAll(list.stream()
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.map(Collections::singletonList)
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.map(TestAnnotationInfos::new)
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.toList());
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// add cases with a repeatable annotation
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for (Annotations annotationName2 : Annotations.values()) {
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if (annotationName1 == annotationName2 && !annotationName1.isRepeatable()) {
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continue;
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}
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TestAnnotationInfo annotation2 = createSomeAnnotation(annotationName2.getAnnotationName());
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for (TestAnnotationInfo annotation1 : list) {
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List<TestAnnotationInfo> list1 = new ArrayList<>();
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Collections.addAll(list1, annotation1, annotation2);
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combinations.add(new TestAnnotationInfos(list1));
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}
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}
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}
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return combinations;
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}
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protected RetentionPolicy getRetentionPolicy(String name) {
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if (name.contains("Visible")) {
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return RetentionPolicy.RUNTIME;
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} else if (name.contains("Invisible")) {
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return RetentionPolicy.CLASS;
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}
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throw new IllegalArgumentException(name);
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}
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protected long countNumberOfAttributes(List<Attribute<?>> attrs,
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Class<? extends Attribute<?>> clazz) {
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return attrs.stream()
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.filter(clazz::isInstance)
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.count();
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}
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public void test() throws TestFailedException {
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try {
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List<TestCase> testCases = generateTestCases();
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for (int i = 0; i < testCases.size(); ++i) {
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TestCase testCase = testCases.get(i);
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String source = testCase.generateSource();
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Path sourceFile = Paths.get(getClass().getSimpleName() + i + ".java");
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addTestCase(sourceFile.toAbsolutePath().toString());
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writeToFileIfEnabled(sourceFile, source);
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echo("Testing: " + sourceFile.toString());
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try {
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test(testCase, compile(source).getClasses());
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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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} catch (RuntimeException | IOException e) {
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addFailure(e);
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} finally {
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checkStatus();
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}
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}
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public enum Annotations {
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RUNTIME_INVISIBLE_REPEATABLE("RuntimeInvisibleRepeatable", true),
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RUNTIME_INVISIBLE_NOT_REPEATABLE("RuntimeInvisibleNotRepeatable", false),
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RUNTIME_VISIBLE_REPEATABLE("RuntimeVisibleRepeatable", true),
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RUNTIME_VISIBLE_NOT_REPEATABLE("RuntimeVisibleNotRepeatable", false);
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private final String annotationName;
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private final boolean isRepeatable;
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Annotations(String annotationName, boolean isRepeatable) {
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this.annotationName = annotationName;
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this.isRepeatable = isRepeatable;
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}
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public String getAnnotationName() {
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return annotationName;
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}
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public boolean isRepeatable() {
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return isRepeatable;
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}
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}
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}
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