blob: 0ba5f801b5967a3f60be48c6997f26b8e60421e3 [file] [log] [blame]
/*
* Copyright (C) 2007 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.
*/
// An error class.
class BadError extends Error {
public BadError(String s) {
super("This is bad by convention: " + s);
}
}
// A class that throws BadError during static initialization.
class BadInit {
static int intField;
static {
System.out.println("Static Init");
if (true) {
throw new BadError("BadInit");
}
}
}
// An error that doesn't have a <init>(String) method.
class BadErrorNoStringInit extends Error {
public BadErrorNoStringInit() {
super("This is bad by convention");
}
}
// A class that throws BadErrorNoStringInit during static initialization.
class BadInitNoStringInit {
static int intField;
static {
System.out.println("Static BadInitNoStringInit");
if (true) {
throw new BadErrorNoStringInit();
}
}
}
// A class that throws BadError during static initialization, serving as a super class.
class BadSuperClass {
static int intField;
static {
System.out.println("BadSuperClass Static Init");
if (true) {
throw new BadError("BadInit");
}
}
}
// A class that derives from BadSuperClass.
class DerivedFromBadSuperClass extends BadSuperClass {
}
/**
* Exceptions across method calls
*/
public class Main {
public static void exceptions_007() {
try {
catchAndRethrow();
} catch (NullPointerException npe) {
System.out.print("Got an NPE: ");
System.out.println(npe.getMessage());
npe.printStackTrace(System.out);
}
}
public static void main(String args[]) {
exceptions_007();
exceptionsRethrowClassInitFailure();
exceptionsRethrowClassInitFailureNoStringInit();
exceptionsForSuperClassInitFailure();
exceptionsInMultiDex();
}
private static void catchAndRethrow() {
try {
throwNullPointerException();
} catch (NullPointerException npe) {
NullPointerException npe2;
npe2 = new NullPointerException("second throw");
npe2.initCause(npe);
throw npe2;
}
}
private static void throwNullPointerException() {
throw new NullPointerException("first throw");
}
private static void exceptionsRethrowClassInitFailure() {
try {
try {
BadInit.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (BadError e) {
System.out.println(e);
}
// Check if it works a second time.
try {
BadInit.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError e) {
System.out.println(e);
System.out.println(e.getCause());
}
} catch (Exception error) {
error.printStackTrace(System.out);
}
}
private static void exceptionsRethrowClassInitFailureNoStringInit() {
try {
try {
BadInitNoStringInit.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (BadErrorNoStringInit e) {
System.out.println(e);
}
// Check if it works a second time.
try {
BadInitNoStringInit.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError e) {
System.out.println(e);
System.out.println(e.getCause());
}
} catch (Exception error) {
error.printStackTrace(System.out);
}
}
private static void exceptionsForSuperClassInitFailure() {
try {
// Resolve DerivedFromBadSuperClass.
BadSuperClass.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (BadError e) {
System.out.println(e);
} catch (Throwable t) {
t.printStackTrace(System.out);
}
try {
// Before splitting ClassStatus::kError into
// ClassStatus::kErrorUnresolved and ClassStatus::kErrorResolved,
// this would trigger a
// CHECK(super_class->IsResolved())
// failure in
// ClassLinker::LoadSuperAndInterfaces().
// After the change we're getting either VerifyError
// (for Optimizing) or NoClassDefFoundError wrapping
// BadError (for interpreter or JIT).
new DerivedFromBadSuperClass();
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError ncdfe) {
if (!(ncdfe.getCause() instanceof BadError)) {
ncdfe.getCause().printStackTrace(System.out);
}
} catch (VerifyError e) {
} catch (Throwable t) {
t.printStackTrace(System.out);
}
}
private static void exceptionsInMultiDex() {
try {
MultiDexBadInit.intField = 1;
throw new IllegalStateException("Should not reach here.");
} catch (Error e) {
System.out.println(e);
} catch (Throwable t) {
t.printStackTrace(System.out);
}
// Before splitting ClassStatus::kError into
// ClassStatus::kErrorUnresolved and ClassStatus::kErrorResolved,
// the exception from wrapper 1 would have been
// wrapped in NoClassDefFoundError but the exception
// from wrapper 2 would have been unwrapped.
try {
MultiDexBadInitWrapper1.setIntField(1);
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError ncdfe) {
System.out.println(ncdfe);
System.out.println(" cause: " + ncdfe.getCause());
} catch (Throwable t) {
t.printStackTrace(System.out);
}
try {
MultiDexBadInitWrapper2.setIntField(1);
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError ncdfe) {
System.out.println(ncdfe);
System.out.println(" cause: " + ncdfe.getCause());
} catch (Throwable t) {
t.printStackTrace(System.out);
}
}
}