jeffhao | 5d1ac92 | 2011-09-29 17:41:15 -0700 | [diff] [blame^] | 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 | |
| 12 | public void subFunc(boolean wantSub) { |
| 13 | assert(!wantSub); |
| 14 | } |
| 15 | |
| 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 | |
| 61 | static void xTests(Object x) { |
| 62 | assert( x instanceof Classes); |
| 63 | assert(!(x instanceof MoreClasses)); |
| 64 | } |
| 65 | static void yTests(Object y) { |
| 66 | assert( y instanceof Classes); |
| 67 | assert( y instanceof MoreClasses); |
| 68 | } |
| 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 | } |
| 77 | static void yarTests(Object yar) { |
| 78 | assert( yar instanceof Classes[]); |
| 79 | assert( yar instanceof MoreClasses[]); |
| 80 | } |
| 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 | } |
| 95 | static void yarararTests(Object yararar) { |
| 96 | assert( yararar instanceof Classes[][][]); |
| 97 | assert( yararar instanceof MoreClasses[][][]); |
| 98 | } |
| 99 | static void iarTests(Object iar) { |
| 100 | assert( iar instanceof Object); |
| 101 | assert(!(iar instanceof Object[])); |
| 102 | } |
| 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 | */ |
| 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 | |
| 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 | |
| 210 | public MoreClasses() {} |
| 211 | |
| 212 | public void subFunc(boolean wantSub) { |
| 213 | assert(wantSub); |
| 214 | } |
| 215 | |
| 216 | public void superFunc(boolean wantSub) { |
| 217 | super.subFunc(wantSub); |
| 218 | } |
| 219 | } |