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 17 package dot.junit.opcodes.goto_32; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.goto_32.d.T_goto_32_1; 22 23 public class Test_goto_32 extends DxTestCase { 24 /** 25 * @title check forward and backward goto. This test also tests constraint C17 allowing to have 26 * backward goto as a last opcode in the method. 27 */ testN1()28 public void testN1() { 29 T_goto_32_1 t = new T_goto_32_1(); 30 assertEquals(0, t.run(20)); 31 } 32 33 /** 34 * @constraint A6 35 * @title branch target is inside instruction 36 */ testVFE1()37 public void testVFE1() { 38 try { 39 Class.forName("dot.junit.opcodes.goto_32.d.T_goto_32_2"); 40 fail("expected a verification exception"); 41 } catch (Throwable t) { 42 DxUtil.checkVerifyException(t); 43 } 44 } 45 46 /** 47 * @constraint A6 48 * @title branch target shall be inside the method 49 */ testVFE2()50 public void testVFE2() { 51 try { 52 Class.forName("dot.junit.opcodes.goto_32.d.T_goto_32_3"); 53 fail("expected a verification exception"); 54 } catch (Throwable t) { 55 DxUtil.checkVerifyException(t); 56 } 57 } 58 59 /** 60 * 61 * @constraint n/a 62 * @title zero offset - no exception expected 63 */ testVFE3()64 public void testVFE3() { 65 try { 66 Class.forName("dot.junit.opcodes.goto_32.d.T_goto_32_4"); 67 // no exception is expected 68 } catch (Throwable t) { 69 fail("not expected" + t); 70 } 71 } 72 73 } 74