Apache
/
commons-lang
mirror of https://github.com/apache/commons-lang.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

verify that a user-generated annotation which does not directly implement equals() nevertheless compares equivalently to a 'real' annotation 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@996701 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Matthew Jason Benson 2010-09-13 22:03:12 +00:00
parent 83efbc505b
commit da9ebdf72a
1 changed files with 111 additions and 276 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

387
src/test/java/org/apache/commons/lang3/AnnotationUtilsTest.java
View File

@ -26,6 +26,9 @@ import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.Arrays;
@ -36,337 +39,127 @@ import org.junit.Test;
* @version $Id$
*/
public class AnnotationUtilsTest {
@TestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
nest = @NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
),
nests = {
@NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object[].class,
types = { Object[].class }
)
},
shortValue = 0,
shortValues = { 0 },
stooge = SHEMP,
stooges = { MOE, LARRY, CURLY },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
)
@TestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, nest = @NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object.class, types = { Object.class }), nests = { @NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object[].class, types = { Object[].class }) }, shortValue = 0, shortValues = { 0 }, stooge = SHEMP, stooges = {
MOE, LARRY, CURLY }, string = "", strings = { "" }, type = Object.class, types = { Object.class })
public Object dummy1;
@TestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
nest = @NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
),
nests = {
@NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object[].class,
types = { Object[].class }
)
},
shortValue = 0,
shortValues = { 0 },
stooge = SHEMP,
stooges = { MOE, LARRY, CURLY },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
)
@TestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, nest = @NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object.class, types = { Object.class }), nests = { @NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object[].class, types = { Object[].class }) }, shortValue = 0, shortValues = { 0 }, stooge = SHEMP, stooges = {
MOE, LARRY, CURLY }, string = "", strings = { "" }, type = Object.class, types = { Object.class })
public Object dummy2;
@TestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
nest = @NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
),
nests = {
@NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object[].class,
types = { Object[].class }
),
//add a second NestAnnotation to break equality:
@NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object[].class,
types = { Object[].class }
)
},
shortValue = 0,
shortValues = { 0 },
stooge = SHEMP,
stooges = { MOE, LARRY, CURLY },
string = "",
strings = { "" },
type = Object.class,
types = { Object.class }
)
@TestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, nest = @NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object.class, types = { Object.class }), nests = {
@NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object[].class, types = { Object[].class }),
//add a second NestAnnotation to break equality:
@NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object[].class, types = { Object[].class }) }, shortValue = 0, shortValues = { 0 }, stooge = SHEMP, stooges = {
MOE, LARRY, CURLY }, string = "", strings = { "" }, type = Object.class, types = { Object.class })
public Object dummy3;
@NestAnnotation(
booleanValue = false,
booleanValues = { false },
byteValue = 0,
byteValues = { 0 },
charValue = 0,
charValues = { 0 },
doubleValue = 0,
doubleValues = { 0 },
floatValue = 0,
floatValues = { 0 },
intValue = 0,
intValues = { 0 },
longValue = 0,
longValues = { 0 },
shortValue = 0,
shortValues = { 0 },
stooge = CURLY,
stooges = { MOE, LARRY, SHEMP },
string = "",
strings = { "" },
type = Object[].class,
types = { Object[].class }
)
@NestAnnotation(booleanValue = false, booleanValues = { false }, byteValue = 0, byteValues = { 0 }, charValue = 0, charValues = { 0 }, doubleValue = 0, doubleValues = { 0 }, floatValue = 0, floatValues = { 0 }, intValue = 0, intValues = { 0 }, longValue = 0, longValues = { 0 }, shortValue = 0, shortValues = { 0 }, stooge = CURLY, stooges = {
MOE, LARRY, SHEMP }, string = "", strings = { "" }, type = Object[].class, types = { Object[].class })
public Object dummy4;
@Target(FIELD)
@Retention(RUNTIME)
public @interface TestAnnotation {
String string();
String[] strings();
Class<?> type();
Class<?>[] types();
byte byteValue();
byte[] byteValues();
short shortValue();
short[] shortValues();
int intValue();
int[] intValues();
char charValue();
char[] charValues();
long longValue();
long[] longValues();
float floatValue();
float[] floatValues();
double doubleValue();
double[] doubleValues();
boolean booleanValue();
boolean[] booleanValues();
Stooge stooge();
Stooge[] stooges();
NestAnnotation nest();
NestAnnotation[] nests();
}
public @interface NestAnnotation {
String string();
String[] strings();
Class<?> type();
Class<?>[] types();
byte byteValue();
byte[] byteValues();
short shortValue();
short[] shortValues();
int intValue();
int[] intValues();
char charValue();
char[] charValues();
long longValue();
long[] longValues();
float floatValue();
float[] floatValues();
double doubleValue();
double[] doubleValues();
boolean booleanValue();
boolean[] booleanValues();
Stooge stooge();
Stooge[] stooges();
}
@ -389,22 +182,26 @@ public class AnnotationUtilsTest {
@Test
public void testEquivalence() {
assertTrue(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field2.getAnnotation(TestAnnotation.class)));
assertTrue(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field2
.getAnnotation(TestAnnotation.class)));
}
@Test
public void testSameInstance() {
assertTrue(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field1.getAnnotation(TestAnnotation.class)));
assertTrue(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field1
.getAnnotation(TestAnnotation.class)));
}
@Test
public void testNonEquivalentAnnotationsOfSameType() {
assertFalse(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field3.getAnnotation(TestAnnotation.class)));
assertFalse(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field3
.getAnnotation(TestAnnotation.class)));
}
@Test
public void testAnnotationsOfDifferingTypes() {
assertFalse(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field4.getAnnotation(NestAnnotation.class)));
assertFalse(AnnotationUtils.equals(field1.getAnnotation(TestAnnotation.class), field4
.getAnnotation(NestAnnotation.class)));
}
@Test
@ -427,4 +224,42 @@ public class AnnotationUtilsTest {
.getClass()));
}
}
@Test(timeout = 666)
public void testGeneratedAnnotationEquivalentToRealAnnotation() throws Exception {
final Test real = getClass().getDeclaredMethod(
"testGeneratedAnnotationEquivalentToRealAnnotation").getAnnotation(Test.class);
InvocationHandler generatedTestInvocationHandler = new InvocationHandler() {
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if ("equals".equals(method.getName()) && method.getParameterTypes().length == 1) {
return proxy == args[0];
}
if ("hashCode".equals(method.getName()) && method.getParameterTypes().length == 0) {
return System.identityHashCode(proxy);
}
if ("toString".equals(method.getName()) && method.getParameterTypes().length == 0) {
return "Test proxy";
}
return method.invoke(real, args);
}
};
Test generated = (Test) Proxy.newProxyInstance(Thread.currentThread()
.getContextClassLoader(), new Class[] { Test.class },
generatedTestInvocationHandler);
assertTrue(real.equals(generated));
assertFalse(generated.equals(real));
assertTrue(AnnotationUtils.equals(generated, real));
assertTrue(AnnotationUtils.equals(real, generated));
Test generated2 = (Test) Proxy.newProxyInstance(Thread.currentThread()
.getContextClassLoader(), new Class[] { Test.class },
generatedTestInvocationHandler);
assertFalse(generated.equals(generated2));
assertFalse(generated2.equals(generated));
assertTrue(AnnotationUtils.equals(generated, generated2));
assertTrue(AnnotationUtils.equals(generated2, generated));
}
}