1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package dxc.junit; 17 18 public class DxUtil { 19 private static boolean isDalvik = false; 20 21 static { 22 /** 23 * whether in case of a failure, also ClassNotFoundException is accepted. 24 * this makes sense for invalid classes that got rejected by the dx tools 25 * and thus do not exist in .dex format, so that this class missing means a 26 * the expected verify error (though at the dx tool level) 27 */ 28 // String acnfS = System.getProperty("acceptCNF"); 29 // isDalvik = (acnfS != null && acnfS.equals("true")); 30 //System.out.println("@DX:DxUtil:isDalik="+isDalvik); 31 } 32 checkVerifyException(Throwable t)33 public static void checkVerifyException(Throwable t) { 34 // the dalvik vm and other vm handle verify errors differently (see the dalvik verifier) 35 // the dalvik vm only throws a VerifyError, whereas other vm can throw all subclasses of 36 // LinkageError: 37 // - ClassCircularityError 38 // - ClassFormatError 39 // - ExceptionInInitializerError 40 // - IncompatibleClassChangeError 41 // - NoClassDefFoundError 42 // - UnsatisfiedLinkError 43 // - VerifyError 44 45 // in case we are testing the dalvik, we also accept a ClassNotFoundException, 46 // since that may happen when a verify error was thrown by the dx tool and thus no 47 // classes.dex was written at all. 48 //System.out.println("@dx:debug:isDalvik:"+isDalvik); 49 /* 50 if ((t instanceof VerifyError || 51 (isDalvik && t instanceof ClassNotFoundException) || 52 (!isDalvik && !(t instanceof NoClassDefFoundError) 53 && t instanceof LinkageError))) { 54 // ok, this is what we expected 55 System.out.println("@dx:debug:vfe-ok: vfe was:"+t.getClass().getName()+", msg:"+t.getMessage()); 56 return; 57 } else { 58 throw new RuntimeException("test did not cause the expected verify error, but:"+t.getClass().getName()+", msg:"+t.getMessage()); 59 } 60 */ 61 if (t instanceof VerifyError || t instanceof ClassNotFoundException || t instanceof LinkageError) { 62 if (t instanceof VerifyError) { 63 if (((VerifyError)t).getMessage().contains("Main_")) { 64 System.out.print("verify failed on Main_"); 65 } 66 } 67 // ok, this is what we expected 68 } else { 69 throw new RuntimeException("Verify error expected", t); 70 } 71 72 } 73 } 74