| /* |
| * Copyright (c) 2014, 2015, 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 8042947 |
| * @summary Checking AnnotationDefault attribute. |
| * @library /tools/lib /tools/javac/lib ../lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.jdeps/com.sun.tools.classfile |
| * jdk.jdeps/com.sun.tools.javap |
| * @build AnnotationDefaultTest TestBase TestResult InMemoryFileManager ToolBox AnnotationDefaultVerifier |
| * @run main AnnotationDefaultTest |
| */ |
| |
| import com.sun.tools.classfile.*; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.annotation.RetentionPolicy; |
| import java.nio.file.Files; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| public class AnnotationDefaultTest extends TestResult { |
| |
| private final static String templateFileName = "AnnotationDefault.java.template"; |
| |
| private final AnnotationDefaultVerifier verifier; |
| |
| public AnnotationDefaultTest() { |
| verifier = new AnnotationDefaultVerifier(); |
| } |
| |
| private void test(String template, Map<String, String> replacements, boolean hasDefault) { |
| String source = replace(template, replacements); |
| addTestCase(source); |
| try { |
| printf("Testing source:\n%s\n", source); |
| String className = "AnnotationDefault"; |
| InMemoryFileManager fileManager = compile(source); |
| |
| // Map <method-name, expected-annotation-default-values> |
| Map<String, ExpectedValues> expectedValues = |
| getExpectedValues(forName(className, fileManager)); |
| ClassFile classFile = readClassFile(fileManager.getClasses().get(className)); |
| |
| for (Method method : classFile.methods) { |
| String methodName = method.getName(classFile.constant_pool); |
| printf("Testing method : %s\n", methodName); |
| AnnotationDefault_attribute attr = |
| (AnnotationDefault_attribute) method.attributes |
| .get(Attribute.AnnotationDefault); |
| |
| if (hasDefault && !checkNotNull(attr, "Attribute is not null") |
| || !hasDefault && checkNull(attr, "Attribute is null")) { |
| // stop checking, attr is null |
| continue; |
| } |
| |
| checkEquals(countNumberOfAttributes(method.attributes.attrs), |
| 1l, |
| "Number of AnnotationDefault attribute"); |
| checkEquals(classFile.constant_pool |
| .getUTF8Value(attr.attribute_name_index), |
| "AnnotationDefault", "attribute_name_index"); |
| |
| ExpectedValues expectedValue = expectedValues.get(methodName); |
| checkEquals((char) attr.default_value.tag, expectedValue.tag(), |
| String.format("check tag : %c %s", expectedValue.tag(), expectedValue.name())); |
| verifier.testElementValue(attr.default_value.tag, |
| this, classFile, attr.default_value, |
| expectedValue.values()); |
| verifier.testLength(attr.default_value.tag, this, attr); |
| } |
| } catch (Exception e) { |
| addFailure(e); |
| } |
| } |
| |
| private Class<?> forName(String className, InMemoryFileManager fileManager) throws ClassNotFoundException { |
| return fileManager.getClassLoader(null).loadClass(className); |
| } |
| |
| private Map<String, ExpectedValues> getExpectedValues(Class<?> clazz) { |
| return Stream.of(clazz.getMethods()) |
| .map(method -> method.getAnnotation(ExpectedValues.class)) |
| .filter(Objects::nonNull) |
| .collect(Collectors.toMap( |
| ExpectedValues::name, |
| Function.identity())); |
| } |
| |
| private String replace(String template, Map<String, String> replacements) { |
| String ans = template; |
| for (Map.Entry<String, String> replace : replacements.entrySet()) { |
| ans = ans.replaceAll(replace.getKey(), replace.getValue()); |
| } |
| return ans; |
| } |
| |
| private long countNumberOfAttributes(Attribute[] attrs) { |
| return Stream.of(attrs) |
| .filter(x -> x instanceof AnnotationDefault_attribute) |
| .count(); |
| } |
| |
| public String getSource(File templateFileName) throws IOException { |
| return Files.lines(templateFileName.toPath()) |
| .filter(str -> !str.startsWith("/*") && !str.startsWith(" *")) |
| .collect(Collectors.joining("\n")); |
| } |
| |
| public void test() throws TestFailedException { |
| try { |
| String template = getSource(getSourceFile(templateFileName)); |
| for (int i = 0; i < 2; ++i) { |
| for (String repeatable : new String[] {"", "@Repeatable(Container.class)"}) { |
| for (RetentionPolicy policy : RetentionPolicy.values()) { |
| final int finalI = i; |
| Map<String, String> replacements = new HashMap<String, String>(){{ |
| put("%POLICY%", policy.toString()); |
| if (finalI != 0) { |
| put("default.*\n", ";\n"); |
| } |
| put("%REPEATABLE%", repeatable); |
| }}; |
| test(template, replacements, i == 0); |
| } |
| } |
| } |
| } catch (Throwable e) { |
| addFailure(e); |
| } finally { |
| checkStatus(); |
| } |
| } |
| |
| public static void main(String[] args) throws TestFailedException { |
| new AnnotationDefaultTest().test(); |
| } |
| } |