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/*
* 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);
}
}
}
}
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