blob: 8dd22bab97d4ffffc1b8d6a5c6946777483211b2 [file] [log] [blame]
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import other.PublicClass;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
/*
* Test field access through reflection.
*/
public class Main {
public static void main(String[] args) {
SubClass.main(null);
try {
GetNonexistent.main(null);
System.err.println("Not expected to succeed");
} catch (VerifyError fe) {
// dalvik
System.out.println("Got expected failure");
} catch (NoSuchFieldError nsfe) {
// reference
System.out.println("Got expected failure");
}
}
/*
* Get the field specified by "field" from "obj".
*
* "type" determines which "get" call is made, e.g. 'B' turns into
* field.getByte().
*
* The "expectedException" must match the class of the exception thrown,
* or be null if no exception was expected.
*
* On success, the boxed value retrieved is returned.
*/
public Object getValue(Field field, Object obj, char type,
Class expectedException) {
Object result = null;
try {
switch (type) {
case 'Z':
result = field.getBoolean(obj);
break;
case 'B':
result = field.getByte(obj);
break;
case 'S':
result = field.getShort(obj);
break;
case 'C':
result = field.getChar(obj);
break;
case 'I':
result = field.getInt(obj);
break;
case 'J':
result = field.getLong(obj);
break;
case 'F':
result = field.getFloat(obj);
break;
case 'D':
result = field.getDouble(obj);
break;
case 'L':
result = field.get(obj);
break;
default:
throw new RuntimeException("bad type '" + type + "'");
}
/* success; expected? */
if (expectedException != null) {
System.err.println("ERROR: call succeeded for field " + field +
" with a read of type '" + type +
"', was expecting " + expectedException);
Thread.dumpStack();
}
} catch (Exception ex) {
if (expectedException == null) {
System.err.println("ERROR: call failed unexpectedly: "
+ ex.getClass());
ex.printStackTrace();
} else {
if (!expectedException.equals(ex.getClass())) {
System.err.println("ERROR: incorrect exception: wanted "
+ expectedException.getName() + ", got "
+ ex.getClass());
ex.printStackTrace();
}
}
}
return result;
}
}
/*
* Local class with some fields.
*/
class SamePackage {
public boolean samePackagePublicBooleanInstanceField = true;
public byte samePackagePublicByteInstanceField = 2;
public char samePackagePublicCharInstanceField = 3;
public short samePackagePublicShortInstanceField = 4;
public int samePackagePublicIntInstanceField = 5;
public long samePackagePublicLongInstanceField = 6;
public float samePackagePublicFloatInstanceField = 7.0f;
public double samePackagePublicDoubleInstanceField = 8.0;
public Object samePackagePublicObjectInstanceField = "9";
protected boolean samePackageProtectedBooleanInstanceField = true;
protected byte samePackageProtectedByteInstanceField = 10;
protected char samePackageProtectedCharInstanceField = 11;
protected short samePackageProtectedShortInstanceField = 12;
protected int samePackageProtectedIntInstanceField = 13;
protected long samePackageProtectedLongInstanceField = 14;
protected float samePackageProtectedFloatInstanceField = 15.0f;
protected double samePackageProtectedDoubleInstanceField = 16.0;
protected Object samePackageProtectedObjectInstanceField = "17";
private boolean samePackagePrivateBooleanInstanceField = true;
private byte samePackagePrivateByteInstanceField = 18;
private char samePackagePrivateCharInstanceField = 19;
private short samePackagePrivateShortInstanceField = 20;
private int samePackagePrivateIntInstanceField = 21;
private long samePackagePrivateLongInstanceField = 22;
private float samePackagePrivateFloatInstanceField = 23.0f;
private double samePackagePrivateDoubleInstanceField = 24.0;
private Object samePackagePrivateObjectInstanceField = "25";
/* package */ boolean samePackagePackageBooleanInstanceField = true;
/* package */ byte samePackagePackageByteInstanceField = 26;
/* package */ char samePackagePackageCharInstanceField = 27;
/* package */ short samePackagePackageShortInstanceField = 28;
/* package */ int samePackagePackageIntInstanceField = 29;
/* package */ long samePackagePackageLongInstanceField = 30;
/* package */ float samePackagePackageFloatInstanceField = 31.0f;
/* package */ double samePackagePackageDoubleInstanceField = 32.0;
/* package */ Object samePackagePackageObjectInstanceField = "33";
public static boolean samePackagePublicBooleanStaticField = true;
public static byte samePackagePublicByteStaticField = 34;
public static char samePackagePublicCharStaticField = 35;
public static short samePackagePublicShortStaticField = 36;
public static int samePackagePublicIntStaticField = 37;
public static long samePackagePublicLongStaticField = 38;
public static float samePackagePublicFloatStaticField = 39.0f;
public static double samePackagePublicDoubleStaticField = 40.0;
public static Object samePackagePublicObjectStaticField = "41";
protected static boolean samePackageProtectedBooleanStaticField = true;
protected static byte samePackageProtectedByteStaticField = 42;
protected static char samePackageProtectedCharStaticField = 43;
protected static short samePackageProtectedShortStaticField = 44;
protected static int samePackageProtectedIntStaticField = 45;
protected static long samePackageProtectedLongStaticField = 46;
protected static float samePackageProtectedFloatStaticField = 47.0f;
protected static double samePackageProtectedDoubleStaticField = 48.0;
protected static Object samePackageProtectedObjectStaticField = "49";
private static boolean samePackagePrivateBooleanStaticField = true;
private static byte samePackagePrivateByteStaticField = 50;
private static char samePackagePrivateCharStaticField = 51;
private static short samePackagePrivateShortStaticField = 52;
private static int samePackagePrivateIntStaticField = 53;
private static long samePackagePrivateLongStaticField = 54;
private static float samePackagePrivateFloatStaticField = 55.0f;
private static double samePackagePrivateDoubleStaticField = 56.0;
private static Object samePackagePrivateObjectStaticField = "57";
/* package */ static boolean samePackagePackageBooleanStaticField = true;
/* package */ static byte samePackagePackageByteStaticField = 58;
/* package */ static char samePackagePackageCharStaticField = 59;
/* package */ static short samePackagePackageShortStaticField = 60;
/* package */ static int samePackagePackageIntStaticField = 61;
/* package */ static long samePackagePackageLongStaticField = 62;
/* package */ static float samePackagePackageFloatStaticField = 63.0f;
/* package */ static double samePackagePackageDoubleStaticField = 64.0;
/* package */ static Object samePackagePackageObjectStaticField = "65";
public void samePublicMethod() { }
protected void sameProtectedMethod() { }
private void samePrivateMethod() { }
/* package */ void samePackageMethod() { }
}
/*
* This is a sub-class of other.PublicClass, which should be allowed to access
* the various protected fields declared by other.PublicClass and its parent
* other.ProtectedClass.
*/
class SubClass extends PublicClass {
/*
* Perform the various tests.
*
* localInst.getValue() is performed using an instance of Main as the
* source of the reflection call. otherInst.getValue() uses a subclass
* of OtherPackage as the source.
*/
public static void main(String[] args) {
SubClass subOther = new SubClass();
subOther.doDirectTests();
subOther.doReflectionTests();
}
private static void check(boolean b) {
if (!b) {
throw new Error("Test failed");
}
}
public void doDirectTests() {
check(otherProtectedClassPublicBooleanInstanceField == true);
check(otherProtectedClassPublicByteInstanceField == 2);
check(otherProtectedClassPublicCharInstanceField == 3);
check(otherProtectedClassPublicShortInstanceField == 4);
check(otherProtectedClassPublicIntInstanceField == 5);
check(otherProtectedClassPublicLongInstanceField == 6);
check(otherProtectedClassPublicFloatInstanceField == 7.0f);
check(otherProtectedClassPublicDoubleInstanceField == 8.0);
check(otherProtectedClassPublicObjectInstanceField == "9");
check(otherProtectedClassProtectedBooleanInstanceField == true);
check(otherProtectedClassProtectedByteInstanceField == 10);
check(otherProtectedClassProtectedCharInstanceField == 11);
check(otherProtectedClassProtectedShortInstanceField == 12);
check(otherProtectedClassProtectedIntInstanceField == 13);
check(otherProtectedClassProtectedLongInstanceField == 14);
check(otherProtectedClassProtectedFloatInstanceField == 15.0f);
check(otherProtectedClassProtectedDoubleInstanceField == 16.0);
check(otherProtectedClassProtectedObjectInstanceField == "17");
// check(otherProtectedClassPrivateBooleanInstanceField == true);
// check(otherProtectedClassPrivateByteInstanceField == 18);
// check(otherProtectedClassPrivateCharInstanceField == 19);
// check(otherProtectedClassPrivateShortInstanceField == 20);
// check(otherProtectedClassPrivateIntInstanceField == 21);
// check(otherProtectedClassPrivateLongInstanceField == 22);
// check(otherProtectedClassPrivateFloatInstanceField == 23.0f);
// check(otherProtectedClassPrivateDoubleInstanceField == 24.0);
// check(otherProtectedClassPrivateObjectInstanceField == "25");
// check(otherProtectedClassPackageBooleanInstanceField == true);
// check(otherProtectedClassPackageByteInstanceField == 26);
// check(otherProtectedClassPackageCharInstanceField == 27);
// check(otherProtectedClassPackageShortInstanceField == 28);
// check(otherProtectedClassPackageIntInstanceField == 29);
// check(otherProtectedClassPackageLongInstanceField == 30);
// check(otherProtectedClassPackageFloatInstanceField == 31.0f);
// check(otherProtectedClassPackageDoubleInstanceField == 32.0);
// check(otherProtectedClassPackageObjectInstanceField == "33");
check(otherProtectedClassPublicBooleanStaticField == true);
check(otherProtectedClassPublicByteStaticField == 34);
check(otherProtectedClassPublicCharStaticField == 35);
check(otherProtectedClassPublicShortStaticField == 36);
check(otherProtectedClassPublicIntStaticField == 37);
check(otherProtectedClassPublicLongStaticField == 38);
check(otherProtectedClassPublicFloatStaticField == 39.0f);
check(otherProtectedClassPublicDoubleStaticField == 40.0);
check(otherProtectedClassPublicObjectStaticField == "41");
check(otherProtectedClassProtectedBooleanStaticField == true);
check(otherProtectedClassProtectedByteStaticField == 42);
check(otherProtectedClassProtectedCharStaticField == 43);
check(otherProtectedClassProtectedShortStaticField == 44);
check(otherProtectedClassProtectedIntStaticField == 45);
check(otherProtectedClassProtectedLongStaticField == 46);
check(otherProtectedClassProtectedFloatStaticField == 47.0f);
check(otherProtectedClassProtectedDoubleStaticField == 48.0);
check(otherProtectedClassProtectedObjectStaticField == "49");
// check(otherProtectedClassPrivateBooleanStaticField == true);
// check(otherProtectedClassPrivateByteStaticField == 50);
// check(otherProtectedClassPrivateCharStaticField == 51);
// check(otherProtectedClassPrivateShortStaticField == 52);
// check(otherProtectedClassPrivateIntStaticField == 53);
// check(otherProtectedClassPrivateLongStaticField == 54);
// check(otherProtectedClassPrivateFloatStaticField == 55.0f);
// check(otherProtectedClassPrivateDoubleStaticField == 56.0);
// check(otherProtectedClassPrivateObjectStaticField == "57");
// check(otherProtectedClassPackageBooleanStaticField == true);
// check(otherProtectedClassPackageByteStaticField == 58);
// check(otherProtectedClassPackageCharStaticField == 59);
// check(otherProtectedClassPackageShortStaticField == 60);
// check(otherProtectedClassPackageIntStaticField == 61);
// check(otherProtectedClassPackageLongStaticField == 62);
// check(otherProtectedClassPackageFloatStaticField == 63.0f);
// check(otherProtectedClassPackageDoubleStaticField == 64.0);
// check(otherProtectedClassPackageObjectStaticField == "65");
check(otherPublicClassPublicBooleanInstanceField == true);
check(otherPublicClassPublicByteInstanceField == -2);
check(otherPublicClassPublicCharInstanceField == (char)-3);
check(otherPublicClassPublicShortInstanceField == -4);
check(otherPublicClassPublicIntInstanceField == -5);
check(otherPublicClassPublicLongInstanceField == -6);
check(otherPublicClassPublicFloatInstanceField == -7.0f);
check(otherPublicClassPublicDoubleInstanceField == -8.0);
check(otherPublicClassPublicObjectInstanceField == "-9");
check(otherPublicClassProtectedBooleanInstanceField == true);
check(otherPublicClassProtectedByteInstanceField == -10);
check(otherPublicClassProtectedCharInstanceField == (char)-11);
check(otherPublicClassProtectedShortInstanceField == -12);
check(otherPublicClassProtectedIntInstanceField == -13);
check(otherPublicClassProtectedLongInstanceField == -14);
check(otherPublicClassProtectedFloatInstanceField == -15.0f);
check(otherPublicClassProtectedDoubleInstanceField == -16.0);
check(otherPublicClassProtectedObjectInstanceField == "-17");
// check(otherPublicClassPrivateBooleanInstanceField == true);
// check(otherPublicClassPrivateByteInstanceField == -18);
// check(otherPublicClassPrivateCharInstanceField == (char)-19);
// check(otherPublicClassPrivateShortInstanceField == -20);
// check(otherPublicClassPrivateIntInstanceField == -21);
// check(otherPublicClassPrivateLongInstanceField == -22);
// check(otherPublicClassPrivateFloatInstanceField == -23.0f);
// check(otherPublicClassPrivateDoubleInstanceField == -24.0);
// check(otherPublicClassPrivateObjectInstanceField == "-25");
// check(otherPublicClassPackageBooleanInstanceField == true);
// check(otherPublicClassPackageByteInstanceField == -26);
// check(otherPublicClassPackageCharInstanceField == (char)-27);
// check(otherPublicClassPackageShortInstanceField == -28);
// check(otherPublicClassPackageIntInstanceField == -29);
// check(otherPublicClassPackageLongInstanceField == -30);
// check(otherPublicClassPackageFloatInstanceField == -31.0f);
// check(otherPublicClassPackageDoubleInstanceField == -32.0);
// check(otherPublicClassPackageObjectInstanceField == "-33");
check(otherPublicClassPublicBooleanStaticField == true);
check(otherPublicClassPublicByteStaticField == -34);
check(otherPublicClassPublicCharStaticField == (char)-35);
check(otherPublicClassPublicShortStaticField == -36);
check(otherPublicClassPublicIntStaticField == -37);
check(otherPublicClassPublicLongStaticField == -38);
check(otherPublicClassPublicFloatStaticField == -39.0f);
check(otherPublicClassPublicDoubleStaticField == -40.0);
check(otherPublicClassPublicObjectStaticField == "-41");
check(otherPublicClassProtectedBooleanStaticField == true);
check(otherPublicClassProtectedByteStaticField == -42);
check(otherPublicClassProtectedCharStaticField == (char)-43);
check(otherPublicClassProtectedShortStaticField == -44);
check(otherPublicClassProtectedIntStaticField == -45);
check(otherPublicClassProtectedLongStaticField == -46);
check(otherPublicClassProtectedFloatStaticField == -47.0f);
check(otherPublicClassProtectedDoubleStaticField == -48.0);
check(otherPublicClassProtectedObjectStaticField == "-49");
// check(otherPublicClassPrivateBooleanStaticField == true);
// check(otherPublicClassPrivateByteStaticField == -50);
// check(otherPublicClassPrivateCharStaticField == (char)-51);
// check(otherPublicClassPrivateShortStaticField == -52);
// check(otherPublicClassPrivateIntStaticField == -53);
// check(otherPublicClassPrivateLongStaticField == -54);
// check(otherPublicClassPrivateFloatStaticField == -55.0f);
// check(otherPublicClassPrivateDoubleStaticField == -56.0);
// check(otherPublicClassPrivateObjectStaticField == "-57");
// check(otherPublicClassPackageBooleanStaticField == true);
// check(otherPublicClassPackageByteStaticField == -58);
// check(otherPublicClassPackageCharStaticField == (char)-59);
// check(otherPublicClassPackageShortStaticField == -60);
// check(otherPublicClassPackageIntStaticField == -61);
// check(otherPublicClassPackageLongStaticField == -62);
// check(otherPublicClassPackageFloatStaticField == -63.0f);
// check(otherPublicClassPackageDoubleStaticField == -64.0);
// check(otherPublicClassPackageObjectStaticField == "-65");
SamePackage s = new SamePackage();
check(s.samePackagePublicBooleanInstanceField == true);
check(s.samePackagePublicByteInstanceField == 2);
check(s.samePackagePublicCharInstanceField == 3);
check(s.samePackagePublicShortInstanceField == 4);
check(s.samePackagePublicIntInstanceField == 5);
check(s.samePackagePublicLongInstanceField == 6);
check(s.samePackagePublicFloatInstanceField == 7.0f);
check(s.samePackagePublicDoubleInstanceField == 8.0);
check(s.samePackagePublicObjectInstanceField == "9");
check(s.samePackageProtectedBooleanInstanceField == true);
check(s.samePackageProtectedByteInstanceField == 10);
check(s.samePackageProtectedCharInstanceField == 11);
check(s.samePackageProtectedShortInstanceField == 12);
check(s.samePackageProtectedIntInstanceField == 13);
check(s.samePackageProtectedLongInstanceField == 14);
check(s.samePackageProtectedFloatInstanceField == 15.0f);
check(s.samePackageProtectedDoubleInstanceField == 16.0);
check(s.samePackageProtectedObjectInstanceField == "17");
// check(s.samePackagePrivateBooleanInstanceField == true);
// check(s.samePackagePrivateByteInstanceField == 18);
// check(s.samePackagePrivateCharInstanceField == 19);
// check(s.samePackagePrivateShortInstanceField == 20);
// check(s.samePackagePrivateIntInstanceField == 21);
// check(s.samePackagePrivateLongInstanceField == 22);
// check(s.samePackagePrivateFloatInstanceField == 23.0f);
// check(s.samePackagePrivateDoubleInstanceField == 24.0);
// check(s.samePackagePrivateObjectInstanceField == "25");
check(s.samePackagePackageBooleanInstanceField == true);
check(s.samePackagePackageByteInstanceField == 26);
check(s.samePackagePackageCharInstanceField == 27);
check(s.samePackagePackageShortInstanceField == 28);
check(s.samePackagePackageIntInstanceField == 29);
check(s.samePackagePackageLongInstanceField == 30);
check(s.samePackagePackageFloatInstanceField == 31.0f);
check(s.samePackagePackageDoubleInstanceField == 32.0);
check(s.samePackagePackageObjectInstanceField == "33");
check(SamePackage.samePackagePublicBooleanStaticField == true);
check(SamePackage.samePackagePublicByteStaticField == 34);
check(SamePackage.samePackagePublicCharStaticField == 35);
check(SamePackage.samePackagePublicShortStaticField == 36);
check(SamePackage.samePackagePublicIntStaticField == 37);
check(SamePackage.samePackagePublicLongStaticField == 38);
check(SamePackage.samePackagePublicFloatStaticField == 39.0f);
check(SamePackage.samePackagePublicDoubleStaticField == 40.0);
check(SamePackage.samePackagePublicObjectStaticField == "41");
check(SamePackage.samePackageProtectedBooleanStaticField == true);
check(SamePackage.samePackageProtectedByteStaticField == 42);
check(SamePackage.samePackageProtectedCharStaticField == 43);
check(SamePackage.samePackageProtectedShortStaticField == 44);
check(SamePackage.samePackageProtectedIntStaticField == 45);
check(SamePackage.samePackageProtectedLongStaticField == 46);
check(SamePackage.samePackageProtectedFloatStaticField == 47.0f);
check(SamePackage.samePackageProtectedDoubleStaticField == 48.0);
check(SamePackage.samePackageProtectedObjectStaticField == "49");
// check(SamePackage.samePackagePrivateBooleanStaticField == true);
// check(SamePackage.samePackagePrivateByteStaticField == 50);
// check(SamePackage.samePackagePrivateCharStaticField == 51);
// check(SamePackage.samePackagePrivateShortStaticField == 52);
// check(SamePackage.samePackagePrivateIntStaticField == 53);
// check(SamePackage.samePackagePrivateLongStaticField == 54);
// check(SamePackage.samePackagePrivateFloatStaticField == 55.0f);
// check(SamePackage.samePackagePrivateDoubleStaticField == 56.0);
// check(SamePackage.samePackagePrivateObjectStaticField == "57");
check(SamePackage.samePackagePackageBooleanStaticField == true);
check(SamePackage.samePackagePackageByteStaticField == 58);
check(SamePackage.samePackagePackageCharStaticField == 59);
check(SamePackage.samePackagePackageShortStaticField == 60);
check(SamePackage.samePackagePackageIntStaticField == 61);
check(SamePackage.samePackagePackageLongStaticField == 62);
check(SamePackage.samePackagePackageFloatStaticField == 63.0f);
check(SamePackage.samePackagePackageDoubleStaticField == 64.0);
check(SamePackage.samePackagePackageObjectStaticField == "65");
}
private static boolean compatibleTypes(char srcType, char dstType) {
switch (dstType) {
case 'Z':
case 'C':
case 'B':
return srcType == dstType;
case 'S':
return srcType == 'B' || srcType == 'S';
case 'I':
return srcType == 'B' || srcType == 'C' || srcType == 'S' || srcType == 'I';
case 'J':
return srcType == 'B' || srcType == 'C' || srcType == 'S' || srcType == 'I' ||
srcType == 'J';
case 'F':
return srcType == 'B' || srcType == 'C' || srcType == 'S' || srcType == 'I' ||
srcType == 'J' || srcType == 'F';
case 'D':
return srcType == 'B' || srcType == 'C' || srcType == 'S' || srcType == 'I' ||
srcType == 'J' || srcType == 'F' || srcType == 'D';
case 'L':
return true;
default:
throw new Error("Unexpected type char " + dstType);
}
}
public void doReflectionTests() {
String typeChars = "ZBCSIJFDL";
String fieldNameForTypeChar[] = {
"Boolean",
"Byte",
"Char",
"Short",
"Int",
"Long",
"Float",
"Double",
"Object"
};
Main localInst = new Main();
SamePackage samePkgInst = new SamePackage();
PublicClass otherPkgInst = new PublicClass();
Object plainObj = new Object();
for (int round = 0; round < 3; round++) {
Object validInst;
Field[] fields;
Method[] methods;
boolean same_package = false;
boolean protected_class = false;
switch (round) {
case 0:
validInst = new SamePackage();
fields = SamePackage.class.getDeclaredFields();
check(fields.length == 72);
methods = SamePackage.class.getDeclaredMethods();
check(methods.length == 4);
same_package = true;
break;
case 1:
validInst = new PublicClass();
fields = PublicClass.class.getDeclaredFields();
check(fields.length == 72);
methods = PublicClass.class.getDeclaredMethods();
check(methods.length == 4);
break;
default:
validInst = new PublicClass();
fields = PublicClass.class.getSuperclass().getDeclaredFields();
check(fields.length == 72);
methods = PublicClass.class.getSuperclass().getDeclaredMethods();
check(methods.length == 4);
protected_class = true;
break;
}
for (Field f : fields) {
char typeChar = '?';
for (int i = 0; i < fieldNameForTypeChar.length; i++) {
if (f.getName().contains(fieldNameForTypeChar[i])) {
typeChar = typeChars.charAt(i);
break;
}
}
// Check access or lack of to field.
Class<?> subClassAccessExceptionClass = null;
if ((f.getName().contains("Private") ||
(!same_package && f.getName().contains("Package")) ||
(!same_package && f.getName().contains("Protected"))) &&
!(protected_class && f.getName().contains("Public"))) {
subClassAccessExceptionClass = IllegalAccessException.class;
}
Class<?> mainClassAccessExceptionClass = null;
if ((f.getName().contains("Private") ||
(!same_package && f.getName().contains("Package")) ||
(!same_package && f.getName().contains("Protected"))) &&
!(protected_class && f.getName().contains("Public"))) {
mainClassAccessExceptionClass = IllegalAccessException.class;
}
this.getValue(f, validInst, typeChar, subClassAccessExceptionClass);
localInst.getValue(f, validInst, typeChar, mainClassAccessExceptionClass);
// Check things that can get beyond the IllegalAccessException.
if (subClassAccessExceptionClass == null) {
// Check NPE.
Class<?> npeClass = null;
if (!f.getName().contains("Static")) {
npeClass = NullPointerException.class;
}
this.getValue(f, null, typeChar, npeClass);
if (mainClassAccessExceptionClass == null) {
localInst.getValue(f, null, typeChar, npeClass);
}
// Check access of wrong field type for valid instance.
for (int i = 0; i < typeChars.length(); i++) {
char otherChar = typeChars.charAt(i);
Class<?> illArgClass = compatibleTypes(typeChar, otherChar) ?
null : IllegalArgumentException.class;
this.getValue(f, validInst, otherChar, illArgClass);
if (mainClassAccessExceptionClass == null) {
localInst.getValue(f, validInst, otherChar, illArgClass);
}
}
if (!f.getName().contains("Static")) {
// Wrong object.
this.getValue(f, plainObj, typeChar, IllegalArgumentException.class);
if (mainClassAccessExceptionClass == null) {
localInst.getValue(f, plainObj, typeChar, IllegalArgumentException.class);
}
}
}
}
for (Method m : methods) {
Class<?> subClassAccessExceptionClass = null;
if (m.getName().contains("Private") ||
(!same_package && m.getName().contains("Package")) ||
(!same_package && m.getName().contains("Protected"))) {
subClassAccessExceptionClass = IllegalAccessException.class;
}
this.invoke(m, validInst, subClassAccessExceptionClass);
}
}
System.out.println("good");
}
/*
* [this is a clone of Main.getValue() -- the class issuing the
* reflection call is significant]
*/
public Object getValue(Field field, Object obj, char type,
Class expectedException) {
Object result = null;
try {
switch (type) {
case 'Z':
result = field.getBoolean(obj);
break;
case 'B':
result = field.getByte(obj);
break;
case 'S':
result = field.getShort(obj);
break;
case 'C':
result = field.getChar(obj);
break;
case 'I':
result = field.getInt(obj);
break;
case 'J':
result = field.getLong(obj);
break;
case 'F':
result = field.getFloat(obj);
break;
case 'D':
result = field.getDouble(obj);
break;
case 'L':
result = field.get(obj);
break;
default:
throw new RuntimeException("bad type '" + type + "'");
}
/* success; expected? */
if (expectedException != null) {
System.err.println("ERROR: call succeeded for field " + field +
" with a read of type '" + type +
"', was expecting " + expectedException);
Thread.dumpStack();
}
} catch (Exception ex) {
if (expectedException == null) {
System.err.println("ERROR: call failed unexpectedly: "
+ ex.getClass());
ex.printStackTrace();
} else {
if (!expectedException.equals(ex.getClass())) {
System.err.println("ERROR: incorrect exception: wanted "
+ expectedException.getName() + ", got "
+ ex.getClass());
ex.printStackTrace();
}
}
}
return result;
}
public Object invoke(Method method, Object obj, Class expectedException) {
Object result = null;
try {
result = method.invoke(obj);
/* success; expected? */
if (expectedException != null) {
System.err.println("ERROR: call succeeded for method " + method + "', was expecting " +
expectedException);
Thread.dumpStack();
}
} catch (Exception ex) {
if (expectedException == null) {
System.err.println("ERROR: call failed unexpectedly: " + ex.getClass());
ex.printStackTrace();
} else {
if (!expectedException.equals(ex.getClass())) {
System.err.println("ERROR: incorrect exception: wanted " + expectedException.getName() +
", got " + ex.getClass());
ex.printStackTrace();
}
}
}
return result;
}
}