/* * Copyright (c) 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 8162817 8168921 * @summary Test of toString on normal annotations */ import java.lang.annotation.*; import java.lang.reflect.*; import java.util.*; /** * The expected string values are stored in @ExpectedString * annotations. The essence of the test is comparing the toString() * result of annotations to the corresponding ExpectedString.value(). */ public class AnnotationToStringTest { public static void main(String... args) throws Exception { int failures = 0; failures += check(PrimHost.class.getAnnotation(ExpectedString.class).value(), PrimHost.class.getAnnotation(MostlyPrimitive.class).toString()); failures += classyTest(); failures += arrayAnnotationTest(); if (failures > 0) throw new RuntimeException(failures + " failures"); } private static int check(String expected, String actual) { if (!expected.equals(actual)) { System.err.printf("ERROR: Expected ''%s'';%ngot ''%s''.\n", expected, actual); return 1; } else return 0; } @ExpectedString( "@MostlyPrimitive(c0='a', "+ "c1='\\'', " + "i0=1, " + "i1=2, " + "f0=1.0f, " + "f1=0.0f/0.0f, " + "d0=0.0, " + "d1=1.0/0.0, " + "l0=5, " + "l1=9223372036854775807L, " + "l2=-9223372036854775808L, " + "l3=-2147483648, " + "s0=\"Hello world.\", " + "s1=\"a\\\"b\", " + "class0=Obj[].class)") @MostlyPrimitive( c0='a', c1='\'', i0=1, i1=2, f0=1.0f, f1=Float.NaN, d0=0.0, d1=2.0/0.0, l0=5, l1=Long.MAX_VALUE, l2=Long.MIN_VALUE, l3=Integer.MIN_VALUE, s0="Hello world.", s1="a\"b", class0=Obj[].class ) static class PrimHost{} private static int classyTest() { int failures = 0; for (Field f : AnnotationHost.class.getFields()) { Annotation a = f.getAnnotation(Classy.class); System.out.println(a); failures += check(f.getAnnotation(ExpectedString.class).value(), a.toString()); } return failures; } static class AnnotationHost { @ExpectedString( "@Classy(value=Obj.class)") @Classy(value=Obj.class) public int f0; @ExpectedString( "@Classy(value=Obj[].class)") @Classy(value=Obj[].class) public int f1; @ExpectedString( "@Classy(value=Obj[][].class)") @Classy(value=Obj[][].class) public int f2; @ExpectedString( "@Classy(value=Obj[][][].class)") @Classy(value=Obj[][][].class) public int f3; @ExpectedString( "@Classy(value=int.class)") @Classy(value=int.class) public int f4; @ExpectedString( "@Classy(value=int[][][].class)") @Classy(value=int[][][].class) public int f5; } /** * Each field should have two annotations, the first being * @ExpectedString and the second the annotation under test. */ private static int arrayAnnotationTest() { int failures = 0; for (Field f : ArrayAnnotationHost.class.getFields()) { Annotation[] annotations = f.getAnnotations(); System.out.println(annotations[1]); failures += check(((ExpectedString)annotations[0]).value(), annotations[1].toString()); } return failures; } static class ArrayAnnotationHost { @ExpectedString( "@BooleanArray(value={true, false, true})") @BooleanArray(value={true, false, true}) public boolean[] f0; @ExpectedString( "@FloatArray(value={3.0f, 4.0f, 0.0f/0.0f, -1.0f/0.0f, 1.0f/0.0f})") @FloatArray(value={3.0f, 4.0f, Float.NaN, Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY}) public float[] f1; @ExpectedString( "@DoubleArray(value={1.0, 2.0, 0.0/0.0, 1.0/0.0, -1.0/0.0})") @DoubleArray(value={1.0, 2.0, Double.NaN, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY,}) public double[] f2; @ExpectedString( "@ByteArray(value={10, 11, 12})") @ByteArray(value={10, 11, 12}) public byte[] f3; @ExpectedString( "@ShortArray(value={0, 4, 5})") @ShortArray(value={0, 4, 5}) public short[] f4; @ExpectedString( "@CharArray(value={'a', 'b', 'c', '\\''})") @CharArray(value={'a', 'b', 'c', '\''}) public char[] f5; @ExpectedString( "@IntArray(value={1})") @IntArray(value={1}) public int[] f6; @ExpectedString( "@LongArray(value={-9223372036854775808L, -2147483649L, -2147483648," + " -2147483647, 2147483648L, 9223372036854775807L})") @LongArray(value={Long.MIN_VALUE, Integer.MIN_VALUE-1L, Integer.MIN_VALUE, -Integer.MAX_VALUE, Integer.MAX_VALUE+1L, Long.MAX_VALUE}) public long[] f7; @ExpectedString( "@StringArray(value={\"A\", \"B\", \"C\", \"\\\"Quote\\\"\"})") @StringArray(value={"A", "B", "C", "\"Quote\""}) public String[] f8; @ExpectedString( "@ClassArray(value={int.class, Obj[].class})") @ClassArray(value={int.class, Obj[].class}) public Class<?>[] f9; @ExpectedString( "@EnumArray(value={SOURCE})") @EnumArray(value={RetentionPolicy.SOURCE}) public RetentionPolicy[] f10; } } // ------------ Supporting types ------------ class Obj {} @Retention(RetentionPolicy.RUNTIME) @interface ExpectedString { String value(); } @Retention(RetentionPolicy.RUNTIME) @interface Classy { Class<?> value(); } @Retention(RetentionPolicy.RUNTIME) @interface BooleanArray { boolean[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface FloatArray { float[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface DoubleArray { double[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface ByteArray { byte[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface ShortArray { short[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface CharArray { char[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface IntArray { int[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface LongArray { long[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface ClassArray { Class<?>[] value() default {int.class, Obj[].class}; } @Retention(RetentionPolicy.RUNTIME) @interface StringArray { String[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface EnumArray { RetentionPolicy[] value(); } @Retention(RetentionPolicy.RUNTIME) @interface MostlyPrimitive { char c0(); char c1(); int i0(); int i1(); float f0(); float f1(); double d0(); double d1(); long l0(); long l1(); long l2(); long l3(); String s0(); String s1(); Class<?> class0(); }