1 // Copyright 2008 The Android Open Source Project 2 3 import java.io.Serializable; 4 import java.util.Arrays; 5 6 /** 7 * Exercise some class-related instructions. 8 */ 9 public class Classes { 10 int mSome; 11 subFunc(boolean wantSub)12 public void subFunc(boolean wantSub) { 13 assert(!wantSub); 14 } 15 checkCast(Object thisRef, Object moreRef, Object nullRef)16 void checkCast(Object thisRef, Object moreRef, Object nullRef) { 17 System.out.println("Classes.checkCast"); 18 19 Classes classes; 20 MoreClasses more; 21 22 classes = (Classes) thisRef; 23 assert(thisRef instanceof Classes); 24 classes = (Classes) moreRef; 25 assert(moreRef instanceof Classes); 26 27 more = (MoreClasses) moreRef; 28 assert(moreRef instanceof MoreClasses); 29 assert(!(thisRef instanceof MoreClasses)); 30 31 try { 32 more = (MoreClasses) thisRef; 33 assert(false); 34 } catch (ClassCastException cce) { 35 //System.out.println(" class cast msg: " + cce.getMessage()); 36 //Dalvik throws terser message than Hotspot VM 37 assert(cce.getMessage().regionMatches(false, 0, "Classes", 0, 7)); 38 } 39 assert(!(thisRef instanceof MoreClasses)); 40 41 /* hopefully these classes cause a resolve */ 42 try { 43 java.math.RoundingMode mode = (java.math.RoundingMode) thisRef; 44 assert(false); 45 } catch (ClassCastException cce) { 46 //System.out.println(" class cast msg: " + cce.getMessage()); 47 //Dalvik throws terser message than Hotspot VM 48 assert(cce.getMessage().regionMatches(false, 0, "Classes", 0, 7)); 49 } 50 assert(!(thisRef instanceof java.math.BigDecimal)); 51 52 /* try some stuff with a null reference */ 53 classes = (Classes) nullRef; 54 classes = (MoreClasses) nullRef; 55 more = (MoreClasses) nullRef; 56 assert(!(nullRef instanceof Classes)); 57 58 } 59 60 xTests(Object x)61 static void xTests(Object x) { 62 assert( x instanceof Classes); 63 assert(!(x instanceof MoreClasses)); 64 } yTests(Object y)65 static void yTests(Object y) { 66 assert( y instanceof Classes); 67 assert( y instanceof MoreClasses); 68 } xarTests(Object xar)69 static void xarTests(Object xar) { 70 assert( xar instanceof Object); 71 assert(!(xar instanceof Classes)); 72 assert( xar instanceof Classes[]); 73 assert(!(xar instanceof MoreClasses[])); 74 assert( xar instanceof Object[]); 75 assert(!(xar instanceof Object[][])); 76 } yarTests(Object yar)77 static void yarTests(Object yar) { 78 assert( yar instanceof Classes[]); 79 assert( yar instanceof MoreClasses[]); 80 } xarararTests(Object xararar)81 static void xarararTests(Object xararar) { 82 assert( xararar instanceof Object); 83 assert( xararar instanceof Object[]); 84 assert(!(xararar instanceof Classes)); 85 assert(!(xararar instanceof Classes[])); 86 assert(!(xararar instanceof Classes[][])); 87 assert( xararar instanceof Classes[][][]); 88 assert(!(xararar instanceof MoreClasses[][][])); 89 assert( xararar instanceof Object[][][]); 90 assert( xararar instanceof Serializable); 91 assert( xararar instanceof Serializable[]); 92 assert( xararar instanceof Serializable[][]); 93 assert(!(xararar instanceof Serializable[][][])); 94 } yarararTests(Object yararar)95 static void yarararTests(Object yararar) { 96 assert( yararar instanceof Classes[][][]); 97 assert( yararar instanceof MoreClasses[][][]); 98 } iarTests(Object iar)99 static void iarTests(Object iar) { 100 assert( iar instanceof Object); 101 assert(!(iar instanceof Object[])); 102 } iararTests(Object iarar)103 static void iararTests(Object iarar) { 104 assert( iarar instanceof Object); 105 assert( iarar instanceof Object[]); 106 assert(!(iarar instanceof Object[][])); 107 } 108 109 /* 110 * Exercise filled-new-array and test instanceof on arrays. 111 * 112 * We call out instead of using "instanceof" directly to avoid 113 * compiler optimizations. 114 */ arrayInstance()115 static void arrayInstance() { 116 System.out.println("Classes.arrayInstance"); 117 118 Classes x = new Classes(); 119 Classes[] xar = new Classes[1]; 120 Classes[][] xarar = new Classes[1][1]; 121 Classes[][][] xararar = new Classes[1][2][3]; 122 MoreClasses y = new MoreClasses(); 123 MoreClasses[] yar = new MoreClasses[3]; 124 MoreClasses[][] yarar = new MoreClasses[2][3]; 125 MoreClasses[][][] yararar = new MoreClasses[1][2][3]; 126 int[] iar = new int[1]; 127 int[][] iarar = new int[1][1]; 128 Object test; 129 130 xTests(x); 131 yTests(y); 132 xarTests(xar); 133 yarTests(yar); 134 xarararTests(xararar); 135 yarararTests(yararar); 136 iarTests(iar); 137 iararTests(iarar); 138 139 yararar[0] = yarar; 140 yararar[0][0] = yar; 141 yararar[0][1] = yar; 142 yararar[0][0][0] = y; 143 yararar[0][0][1] = y; 144 yararar[0][0][2] = y; 145 yararar[0][1][0] = y; 146 yararar[0][1][1] = y; 147 yararar[0][1][2] = y; 148 149 String strForm; 150 151 String[][][][] multi1 = new String[2][3][2][1]; 152 multi1[0] = new String[2][3][2]; 153 multi1[0][1] = new String[3][2]; 154 multi1[0][1][2] = new String[2]; 155 multi1[0][1][2][1] = "HELLO-1"; 156 strForm = Arrays.deepToString(multi1); 157 158 String[][][][][] multi2 = new String[5][2][3][2][1]; 159 multi2[0] = new String[5][2][3][2]; 160 multi2[0][1] = new String[5][2][3]; 161 multi2[0][1][2] = new String[5][2]; 162 multi2[0][1][2][1] = new String[5]; 163 multi2[0][1][2][1][4] = "HELLO-2"; 164 strForm = Arrays.deepToString(multi2); 165 166 167 String[][][][][][] multi3 = new String[2][5][2][3][2][1]; 168 multi3[0] = new String[2][][][][]; 169 multi3[0][1] = new String[3][][][]; 170 multi3[0][1][2] = new String[2][][]; 171 multi3[0][1][2][1] = new String[5][]; 172 multi3[0][1][2][1][4] = new String[2]; 173 multi3[0][1][2][1][4][1] = "HELLO-3"; 174 strForm = Arrays.deepToString(multi3); 175 176 // build up pieces 177 String[][][][][][] multi4 = new String[1][][][][][]; 178 multi4[0] = new String[2][][][][]; 179 multi4[0][1] = new String[3][][][]; 180 multi4[0][1][2] = new String[2][][]; 181 multi4[0][1][2][1] = new String[5][]; 182 multi4[0][1][2][1][4] = new String[2]; 183 multi4[0][1][2][1][4][1] = "HELLO-4"; 184 strForm = Arrays.deepToString(multi4); 185 186 /* this is expected to fail; 1073921584 * 4 overflows 32 bits */ 187 try { 188 String[][][][][] multiX = new String[5][2][3][2][1073921584]; 189 assert(false); 190 } catch (Error e) { 191 //System.out.println(" Got expected failure: " + e); 192 } 193 194 } 195 run()196 public static void run() { 197 Classes classes = new Classes(); 198 MoreClasses more = new MoreClasses(); 199 classes.checkCast(classes, more, null); 200 201 more.subFunc(true); 202 more.superFunc(false); 203 arrayInstance(); 204 } 205 } 206 207 class MoreClasses extends Classes { 208 int mMore; 209 MoreClasses()210 public MoreClasses() {} 211 subFunc(boolean wantSub)212 public void subFunc(boolean wantSub) { 213 assert(wantSub); 214 } 215 superFunc(boolean wantSub)216 public void superFunc(boolean wantSub) { 217 super.subFunc(wantSub); 218 } 219 } 220