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/*
* Copyright (c) 2014, 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.
*/
import com.sun.tools.classfile.Annotation;
import com.sun.tools.classfile.AnnotationDefault_attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.ConstantPool;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class AnnotationDefaultVerifier {
private final Map<Integer, TestElementValue> verifiers;
public AnnotationDefaultVerifier() {
this.verifiers = new HashMap<>();
verifiers.put((int) 'B', new TestIntegerElementValue());
verifiers.put((int) 'C', new TestIntegerElementValue());
verifiers.put((int) 'D', new TestDoubleElementValue());
verifiers.put((int) 'F', new TestFloatElementValue());
verifiers.put((int) 'I', new TestIntegerElementValue());
verifiers.put((int) 'J', new TestLongElementValue());
verifiers.put((int) 'S', new TestIntegerElementValue());
verifiers.put((int) 'Z', new TestIntegerElementValue());
verifiers.put((int) 's', new TestStringElementValue());
verifiers.put((int) 'e', new TestEnumElementValue());
verifiers.put((int) 'c', new TestClassElementValue());
verifiers.put((int) '[', new TestArrayElementValue());
verifiers.put((int) '@', new TestAnnotationElementValue());
}
public void testLength(int tag, TestResult testResult, AnnotationDefault_attribute attr) {
verifiers.get(tag).testLength(testResult, attr);
}
public void testElementValue(int tag, TestResult testResult, ClassFile classFile,
Annotation.element_value element_value, String[] values)
throws ConstantPool.UnexpectedEntry, ConstantPool.InvalidIndex {
get(tag).testElementValue(testResult, classFile, element_value, values);
}
private TestElementValue get(int tag) {
TestElementValue ev = verifiers.get(tag);
if (ev == null) {
throw new IllegalArgumentException("Unknown tag : " + (char) tag);
}
return ev;
}
private abstract class TestElementValue {
public void testLength(TestResult testCase, AnnotationDefault_attribute attr) {
testCase.checkEquals(attr.attribute_length, 1 + attr.default_value.length(),
"attribute_length");
}
public String[] getValues(String[] values, int index, int length) {
return Arrays.copyOfRange(values, index, index + length);
}
public int getLength() {
return 1;
}
public abstract void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values)
throws ConstantPool.InvalidIndex, ConstantPool.UnexpectedEntry;
}
private class TestIntegerElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values) throws ConstantPool.InvalidIndex {
Annotation.Primitive_element_value ev =
(Annotation.Primitive_element_value) element_value;
ConstantPool.CONSTANT_Integer_info info =
(ConstantPool.CONSTANT_Integer_info)
classFile.constant_pool.get(ev.const_value_index);
testCase.checkEquals(info.value, Integer.parseInt(values[0]), "const_value_index");
}
}
private class TestLongElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values) throws ConstantPool.InvalidIndex {
Annotation.Primitive_element_value ev =
(Annotation.Primitive_element_value) element_value;
ConstantPool.CONSTANT_Long_info info =
(ConstantPool.CONSTANT_Long_info)
classFile.constant_pool.get(ev.const_value_index);
testCase.checkEquals(info.value, Long.parseLong(values[0]), "const_value_index");
}
}
private class TestFloatElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values) throws ConstantPool.InvalidIndex {
Annotation.Primitive_element_value ev =
(Annotation.Primitive_element_value) element_value;
ConstantPool.CONSTANT_Float_info info =
(ConstantPool.CONSTANT_Float_info)
classFile.constant_pool.get(ev.const_value_index);
testCase.checkEquals(info.value, Float.parseFloat(values[0]), "const_value_index");
}
}
private class TestDoubleElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values) throws ConstantPool.InvalidIndex {
Annotation.Primitive_element_value ev =
(Annotation.Primitive_element_value) element_value;
ConstantPool.CONSTANT_Double_info info =
(ConstantPool.CONSTANT_Double_info)
classFile.constant_pool.get(ev.const_value_index);
testCase.checkEquals(info.value, Double.parseDouble(values[0]), "const_value_index");
}
}
private class TestStringElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values) throws ConstantPool.InvalidIndex {
Annotation.Primitive_element_value ev =
(Annotation.Primitive_element_value) element_value;
ConstantPool.CONSTANT_Utf8_info info =
(ConstantPool.CONSTANT_Utf8_info)
classFile.constant_pool.get(ev.const_value_index);
testCase.checkEquals(info.value, values[0], "const_value_index");
}
}
private class TestEnumElementValue extends TestElementValue {
@Override
public int getLength() {
return 2;
}
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values)
throws ConstantPool.InvalidIndex, ConstantPool.UnexpectedEntry {
Annotation.Enum_element_value ev = (Annotation.Enum_element_value) element_value;
testCase.checkEquals(classFile.constant_pool.getUTF8Info(ev.type_name_index).value,
values[0], "type_name_index");
testCase.checkEquals(classFile.constant_pool.getUTF8Info(ev.const_name_index).value,
values[1], "const_name_index");
}
}
private class TestClassElementValue extends TestElementValue {
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values)
throws ConstantPool.InvalidIndex, ConstantPool.UnexpectedEntry {
Annotation.Class_element_value ev = (Annotation.Class_element_value) element_value;
testCase.checkEquals(
classFile.constant_pool.getUTF8Info(ev.class_info_index).value,
values[0], "class_info_index");
}
}
private class TestAnnotationElementValue extends TestElementValue {
@Override
public void testLength(TestResult testCase, AnnotationDefault_attribute attr) {
// Suppress, since it is hard to test the length of this kind of element values.
}
@Override
public int getLength() {
// Expected that the test uses DefaultAnnotation
// tag (1 byte) + annotation_value (2 bytes) which contains const_value
return 3;
}
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values)
throws ConstantPool.InvalidIndex, ConstantPool.UnexpectedEntry {
Annotation ev = ((Annotation.Annotation_element_value) element_value)
.annotation_value;
testCase.checkEquals(
classFile.constant_pool.getUTF8Info(ev.type_index).value,
values[0],
"type_index");
for (int i = 0; i < ev.num_element_value_pairs; ++i) {
Annotation.element_value_pair pair = ev.element_value_pairs[i];
testCase.checkEquals(
classFile.constant_pool.getUTF8Info(pair.element_name_index).value,
values[2 * i + 1],
"element_name_index");
TestElementValue testElementValue = verifiers.get(pair.value.tag);
testElementValue.testElementValue(
testCase,
classFile,
pair.value,
new String[]{values[2 * i + 2]});
}
}
}
private class TestArrayElementValue extends TestElementValue {
@Override
public void testLength(TestResult testCase, AnnotationDefault_attribute attr) {
Annotation.Array_element_value ev =
(Annotation.Array_element_value) attr.default_value;
int sizeOfTag = ev.values[0].tag == 'e' ? 0 : 1;
// tag (1 byte) + array header (2 byte) + length of entries
testCase.checkEquals(attr.attribute_length, 1 + 2 +
(sizeOfTag + ev.length() / ev.num_values) * ev.num_values, "attribute_length");
}
@Override
public void testElementValue(
TestResult testCase,
ClassFile classFile,
Annotation.element_value element_value,
String[] values)
throws ConstantPool.InvalidIndex, ConstantPool.UnexpectedEntry {
Annotation.Array_element_value ev =
(Annotation.Array_element_value) element_value;
int index = 0;
for (int i = 0; i < ev.num_values; ++i) {
TestElementValue testElementValue = verifiers.get(ev.values[i].tag);
int length = testElementValue.getLength();
testElementValue.testElementValue(
testCase,
classFile,
ev.values[i],
testElementValue.getValues(values, index, length));
index += length;
}
}
}
}
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