7183985: (ann) Class.getAnnotation() throws an ArrayStoreException when the annotation class not present

Reviewed-by: darcy, martin, vromero
This commit is contained in:
Liam Miller-Cushon 2018-06-14 17:32:31 -07:00
parent 8e3570cfc2
commit b61c993004
9 changed files with 545 additions and 18 deletions

@ -715,19 +715,23 @@ public class AnnotationParser {
ConstantPool constPool,
Class<?> container) {
Object[] result = new Class<?>[length];
boolean typeMismatch = false;
int tag = 0;
Object exceptionProxy = null;
for (int i = 0; i < length; i++) {
tag = buf.get();
int tag = buf.get();
if (tag == 'c') {
result[i] = parseClassValue(buf, constPool, container);
Object value = parseClassValue(buf, constPool, container);
if (value instanceof ExceptionProxy) {
if (exceptionProxy == null) exceptionProxy = (ExceptionProxy) value;
} else {
result[i] = value;
}
} else {
skipMemberValue(tag, buf);
typeMismatch = true;
if (exceptionProxy == null) exceptionProxy = exceptionProxy(tag);
}
}
return typeMismatch ? exceptionProxy(tag) : result;
return (exceptionProxy != null) ? exceptionProxy : result;
}
private static Object parseEnumArray(int length, Class<? extends Enum<?>> enumType,
@ -735,19 +739,23 @@ public class AnnotationParser {
ConstantPool constPool,
Class<?> container) {
Object[] result = (Object[]) Array.newInstance(enumType, length);
boolean typeMismatch = false;
int tag = 0;
Object exceptionProxy = null;
for (int i = 0; i < length; i++) {
tag = buf.get();
int tag = buf.get();
if (tag == 'e') {
result[i] = parseEnumValue(enumType, buf, constPool, container);
Object value = parseEnumValue(enumType, buf, constPool, container);
if (value instanceof ExceptionProxy) {
if (exceptionProxy == null) exceptionProxy = (ExceptionProxy) value;
} else {
result[i] = value;
}
} else {
skipMemberValue(tag, buf);
typeMismatch = true;
if (exceptionProxy == null) exceptionProxy = exceptionProxy(tag);
}
}
return typeMismatch ? exceptionProxy(tag) : result;
return (exceptionProxy != null) ? exceptionProxy : result;
}
private static Object parseAnnotationArray(int length,
@ -756,19 +764,23 @@ public class AnnotationParser {
ConstantPool constPool,
Class<?> container) {
Object[] result = (Object[]) Array.newInstance(annotationType, length);
boolean typeMismatch = false;
int tag = 0;
Object exceptionProxy = null;
for (int i = 0; i < length; i++) {
tag = buf.get();
int tag = buf.get();
if (tag == '@') {
result[i] = parseAnnotation(buf, constPool, container, true);
Object value = parseAnnotation(buf, constPool, container, true);
if (value instanceof ExceptionProxy) {
if (exceptionProxy == null) exceptionProxy = (ExceptionProxy) value;
} else {
result[i] = value;
}
} else {
skipMemberValue(tag, buf);
typeMismatch = true;
if (exceptionProxy == null) exceptionProxy = exceptionProxy(tag);
}
}
return typeMismatch ? exceptionProxy(tag) : result;
return (exceptionProxy != null) ? exceptionProxy : result;
}
/**

@ -0,0 +1,34 @@
/*
* Copyright (c) 2018, Google Inc. 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.
*/
/**
* The enum that will be seen at compile-time.
*
* <p>The filename deliberately does not match, since we need to declare two versions of the enum
* for compile-time and runtime.
*/
enum Enum {
ONE,
TWO,
THREE
}

@ -0,0 +1,32 @@
/*
* Copyright (c) 2018, Google Inc. 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.
*/
/**
* The enum that will be seen at runtime.
*
* <p>The filename deliberately does not match, since we need to declare two versions of the enum
* for compile-time and runtime.
*/
enum Enum {
ONE
}

@ -0,0 +1,30 @@
/*
* Copyright (c) 2018, Google Inc. 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 static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
/** An annotation that will be missing at runtime. */
@Retention(RUNTIME)
public @interface MissingAnnotation {}

@ -0,0 +1,80 @@
/*
* Copyright (c) 2018, Google Inc. 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 static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
/*
* @test
* @bug 7183985
* @summary getAnnotation() should throw NoClassDefFoundError when an annotation class is not
* present at runtime
* @compile MissingAnnotationArrayElementTest.java MissingAnnotation.java
* @clean MissingAnnotation
* @run main MissingAnnotationArrayElementTest
*/
public class MissingAnnotationArrayElementTest {
@Retention(RUNTIME)
@interface AnnotationAnnotation {
MissingAnnotation[] value();
}
@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation})
static class Test {
void f(@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation}) int x) {}
Test(@AnnotationAnnotation({@MissingAnnotation, @MissingAnnotation}) int x) {}
}
public static void main(String[] args) throws Exception {
// MissingAnnotation will be absent from the runtime classpath, causing a
// NoClassDefFoundError when AnnotationAnnotation is read (since the type of its value array
// references cannot be completed).
assertThrowsNoClassDefFoundError(
() -> Test.class.getAnnotation(AnnotationAnnotation.class));
Method method = Test.class.getDeclaredMethod("f", int.class);
assertThrowsNoClassDefFoundError(method::getParameterAnnotations);
Constructor constructor = Test.class.getDeclaredConstructor(int.class);
assertThrowsNoClassDefFoundError(constructor::getParameterAnnotations);
}
interface ThrowingRunnable {
void run() throws Exception;
}
static void assertThrowsNoClassDefFoundError(ThrowingRunnable throwingRunnable)
throws Exception {
try {
throwingRunnable.run();
throw new AssertionError("expected exception");
} catch (NoClassDefFoundError expected) {
if (!expected.getMessage().contains("MissingAnnotation")) {
throw expected;
}
}
}
}

@ -0,0 +1,25 @@
/*
* Copyright (c) 2018, Google Inc. 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.
*/
/** A class that will be missing at runtime. */
public class MissingClass {}

@ -0,0 +1,25 @@
/*
* Copyright (c) 2018, Google Inc. 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.
*/
/** A class that will be missing at runtime. */
public class MissingClass2 {}

@ -0,0 +1,147 @@
/*
* Copyright (c) 2018, Google Inc. 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 static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.util.Arrays;
/*
* @test
* @bug 7183985
* @summary getAnnotation() throws an ArrayStoreException when the annotation class not present
* @compile MissingClassArrayElementTest.java MissingClass.java MissingClass2.java
* @clean MissingClass MissingClass2
* @run main MissingClassArrayElementTest
*/
public class MissingClassArrayElementTest {
@Retention(RUNTIME)
@interface AnnotationAnnotation {
ClassArrayAnnotation[] value();
}
@Retention(RUNTIME)
@interface ClassArrayAnnotation {
Class<?>[] value();
}
@AnnotationAnnotation({
@ClassArrayAnnotation({MissingClass.class}),
@ClassArrayAnnotation({MissingClass.class, String.class}),
@ClassArrayAnnotation({String.class, MissingClass.class}),
@ClassArrayAnnotation({MissingClass.class, MissingClass2.class}),
@ClassArrayAnnotation({String.class})
})
static class Test {
void f(
@AnnotationAnnotation({
@ClassArrayAnnotation({MissingClass.class, MissingClass.class}),
@ClassArrayAnnotation({Float.class})
})
int x,
@AnnotationAnnotation({@ClassArrayAnnotation({Double.class})}) int y) {}
Test(
@AnnotationAnnotation({
@ClassArrayAnnotation({MissingClass.class, MissingClass.class}),
@ClassArrayAnnotation({Short.class}),
})
int x,
@AnnotationAnnotation({@ClassArrayAnnotation({Character.class})}) int y) {}
}
public static void main(String[] args) throws Exception {
classAnnotationTest();
methodParameterAnnotationsTest();
constructorParameterAnnotationsTest();
}
static void classAnnotationTest() throws Exception {
ClassArrayAnnotation[] outer = Test.class.getAnnotation(AnnotationAnnotation.class).value();
assertMissing(outer[0]);
assertMissing(outer[1]);
assertMissing(outer[2]);
assertMissing(outer[3]);
assertArrayEquals(outer[4].value(), new Class<?>[] {String.class});
}
static void methodParameterAnnotationsTest() throws Exception {
AnnotationAnnotation[] methodParameterAnnotations =
Arrays.stream(
Test.class
.getDeclaredMethod("f", int.class, int.class)
.getParameterAnnotations())
.map(x -> ((AnnotationAnnotation) x[0]))
.toArray(AnnotationAnnotation[]::new);
// The first parameter's annotation contains some well-formed values, and the second
// parameter's
// annotation is well-formed
assertArrayEquals(
methodParameterAnnotations[0].value()[1].value(), new Class<?>[] {Float.class});
assertArrayEquals(
methodParameterAnnotations[1].value()[0].value(), new Class<?>[] {Double.class});
// The first parameter's annotation contains a missing value
assertMissing(methodParameterAnnotations[0].value()[0]);
}
static void constructorParameterAnnotationsTest() throws Exception {
AnnotationAnnotation[] constructorParameterAnnotations =
Arrays.stream(
Test.class
.getDeclaredConstructor(int.class, int.class)
.getParameterAnnotations())
.map(x -> ((AnnotationAnnotation) x[0]))
.toArray(AnnotationAnnotation[]::new);
// The first parameter's annotation contains some well-formed values, and the second
// parameter's
// annotation is well-formed
assertArrayEquals(
constructorParameterAnnotations[0].value()[1].value(),
new Class<?>[] {Short.class});
assertArrayEquals(
constructorParameterAnnotations[1].value()[0].value(),
new Class<?>[] {Character.class});
// The first parameter's annotation contains a missing value
assertMissing(constructorParameterAnnotations[0].value()[0]);
}
static void assertArrayEquals(Object[] actual, Object[] expected) {
if (!Arrays.equals(actual, expected)) {
throw new AssertionError(
"expected: " + Arrays.toString(expected) + ", was: " + Arrays.toString(actual));
}
}
static void assertMissing(ClassArrayAnnotation missing) {
try {
missing.value();
throw new AssertionError("expected exception");
} catch (TypeNotPresentException expected) {
if (!expected.typeName().equals("MissingClass")) {
throw new AssertionError(
"expected TypeNotPresentException: MissingClass", expected);
}
}
}
}

@ -0,0 +1,142 @@
/*
* Copyright (c) 2018, Google Inc. 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 static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.util.Arrays;
/*
* @test
* @bug 7183985
* @summary getAnnotation() throws an ArrayStoreException when the annotation class not present
* @compile MissingEnumArrayElementTest.java EnumToCompileAgainst.java
* @clean Enum
* @compile EnumToRunAgainst.java
* @run main MissingEnumArrayElementTest
*/
public class MissingEnumArrayElementTest {
@Retention(RUNTIME)
@interface AnnotationAnnotation {
EnumArrayAnnotation[] value();
}
@Retention(RUNTIME)
@interface EnumArrayAnnotation {
Enum[] value();
}
@AnnotationAnnotation({
@EnumArrayAnnotation({Enum.TWO}),
@EnumArrayAnnotation({Enum.ONE, Enum.TWO}),
@EnumArrayAnnotation({Enum.TWO, Enum.ONE}),
@EnumArrayAnnotation({Enum.TWO, Enum.THREE}),
@EnumArrayAnnotation({Enum.ONE}),
})
static class Test {
void f(
@AnnotationAnnotation({
@EnumArrayAnnotation({Enum.TWO, Enum.ONE}),
@EnumArrayAnnotation({Enum.ONE})
})
int x,
@AnnotationAnnotation({@EnumArrayAnnotation({Enum.ONE})}) int y) {}
Test(
@AnnotationAnnotation({
@EnumArrayAnnotation({Enum.TWO, Enum.ONE}),
@EnumArrayAnnotation({Enum.ONE})
})
int x,
@AnnotationAnnotation({@EnumArrayAnnotation({Enum.ONE})}) int y) {}
}
public static void main(String[] args) throws Exception {
classAnnotationTest();
methodParameterAnnotationsTest();
constructorParameterAnnotationsTest();
}
static void classAnnotationTest() throws Exception {
EnumArrayAnnotation[] outer = Test.class.getAnnotation(AnnotationAnnotation.class).value();
assertMissing(outer[0]);
assertMissing(outer[1]);
assertMissing(outer[2]);
assertMissing(outer[3]);
assertArrayEquals(outer[4].value(), new Enum[] {Enum.ONE});
}
static void methodParameterAnnotationsTest() throws Exception {
AnnotationAnnotation[] methodParameterAnnotations =
Arrays.stream(
Test.class
.getDeclaredMethod("f", int.class, int.class)
.getParameterAnnotations())
.map(x -> ((AnnotationAnnotation) x[0]))
.toArray(AnnotationAnnotation[]::new);
// The first parameter's annotation contains some well-formed values, and the second
// parameter's
// annotation is well-formed
assertArrayEquals(methodParameterAnnotations[0].value()[1].value(), new Enum[] {Enum.ONE});
assertArrayEquals(methodParameterAnnotations[1].value()[0].value(), new Enum[] {Enum.ONE});
// The first parameter's annotation contains a missing value
assertMissing(methodParameterAnnotations[0].value()[0]);
}
static void constructorParameterAnnotationsTest() throws Exception {
AnnotationAnnotation[] constructorParameterAnnotations =
Arrays.stream(
Test.class
.getDeclaredConstructor(int.class, int.class)
.getParameterAnnotations())
.map(x -> ((AnnotationAnnotation) x[0]))
.toArray(AnnotationAnnotation[]::new);
// The first parameter's annotation contains some well-formed values, and the second
// parameter's
// annotation is well-formed
assertArrayEquals(constructorParameterAnnotations[0].value()[1].value(), new Enum[] {Enum.ONE});
assertArrayEquals(constructorParameterAnnotations[1].value()[0].value(), new Enum[] {Enum.ONE});
// The first parameter's annotation contains a missing value
assertMissing(constructorParameterAnnotations[0].value()[0]);
}
static void assertArrayEquals(Object[] actual, Object[] expected) {
if (!Arrays.equals(actual, expected)) {
throw new AssertionError(
"expected: " + Arrays.toString(expected) + ", was: " + Arrays.toString(actual));
}
}
static void assertMissing(EnumArrayAnnotation annotation) throws Exception {
try {
annotation.value();
throw new AssertionError("expected exception");
} catch (EnumConstantNotPresentException expected) {
if (!expected.getMessage().equals("Enum.TWO")) {
throw new AssertionError(
"expected EnumConstantNotPresentException for Enum.TWO", expected);
}
}
}
}