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/*
* Copyright (c) 2014, 2016, 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.main
* jdk.jdeps/com.sun.tools.classfile
* @build toolbox.ToolBox InMemoryFileManager TestResult TestBase
* @build AnnotationDefaultTest AnnotationDefaultVerifier
* @run main AnnotationDefaultTest
*/
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;
import com.sun.tools.classfile.*;
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();
}
}
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