Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 28 | // Flags: --allow-natives-syntax --expose-gc |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 29 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 30 | // This is a regression test for overlapping key and value registers. |
| 31 | function f(a) { |
| 32 | a[0] = 0; |
| 33 | a[1] = 0; |
| 34 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 35 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 36 | var a = new Int32Array(2); |
| 37 | for (var i = 0; i < 5; i++) { |
| 38 | f(a); |
| 39 | } |
| 40 | %OptimizeFunctionOnNextCall(f); |
| 41 | f(a); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 42 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 43 | assertEquals(0, a[0]); |
| 44 | assertEquals(0, a[1]); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 45 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 46 | // No-parameter constructor should fail right now. |
| 47 | function abfunc1() { |
| 48 | return new ArrayBuffer(); |
| 49 | } |
| 50 | assertThrows(abfunc1); |
| 51 | |
| 52 | // Test derivation from an ArrayBuffer |
| 53 | var ab = new ArrayBuffer(12); |
| 54 | var derived_uint8 = new Uint8Array(ab); |
| 55 | assertEquals(12, derived_uint8.length); |
| 56 | var derived_uint32 = new Uint32Array(ab); |
| 57 | assertEquals(3, derived_uint32.length); |
| 58 | var derived_uint32_2 = new Uint32Array(ab,4); |
| 59 | assertEquals(2, derived_uint32_2.length); |
| 60 | var derived_uint32_3 = new Uint32Array(ab,4,1); |
| 61 | assertEquals(1, derived_uint32_3.length); |
| 62 | |
| 63 | // If a given byteOffset and length references an area beyond the end of the |
| 64 | // ArrayBuffer an exception is raised. |
| 65 | function abfunc3() { |
| 66 | new Uint32Array(ab,4,3); |
| 67 | } |
| 68 | assertThrows(abfunc3); |
| 69 | function abfunc4() { |
| 70 | new Uint32Array(ab,16); |
| 71 | } |
| 72 | assertThrows(abfunc4); |
| 73 | |
| 74 | // The given byteOffset must be a multiple of the element size of the specific |
| 75 | // type, otherwise an exception is raised. |
| 76 | function abfunc5() { |
| 77 | new Uint32Array(ab,5); |
| 78 | } |
| 79 | assertThrows(abfunc5); |
| 80 | |
| 81 | // If length is not explicitly specified, the length of the ArrayBuffer minus |
| 82 | // the byteOffset must be a multiple of the element size of the specific type, |
| 83 | // or an exception is raised. |
| 84 | var ab2 = new ArrayBuffer(13); |
| 85 | function abfunc6() { |
| 86 | new Uint32Array(ab2,4); |
| 87 | } |
| 88 | assertThrows(abfunc6); |
| 89 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 90 | // Test the correct behavior of the |BYTES_PER_ELEMENT| property (which is |
| 91 | // "constant", but not read-only). |
| 92 | a = new Int32Array(2); |
| 93 | assertEquals(4, a.BYTES_PER_ELEMENT); |
| 94 | a.BYTES_PER_ELEMENT = 42; |
| 95 | assertEquals(42, a.BYTES_PER_ELEMENT); |
| 96 | a = new Uint8Array(2); |
| 97 | assertEquals(1, a.BYTES_PER_ELEMENT); |
| 98 | a = new Int16Array(2); |
| 99 | assertEquals(2, a.BYTES_PER_ELEMENT); |
| 100 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 101 | // Test Float64Arrays. |
| 102 | function get(a, index) { |
| 103 | return a[index]; |
| 104 | } |
| 105 | function set(a, index, value) { |
| 106 | a[index] = value; |
| 107 | } |
| 108 | function temp() { |
| 109 | var array = new Float64Array(2); |
| 110 | for (var i = 0; i < 5; i++) { |
| 111 | set(array, 0, 2.5); |
| 112 | assertEquals(2.5, array[0]); |
| 113 | } |
| 114 | %OptimizeFunctionOnNextCall(set); |
| 115 | set(array, 0, 2.5); |
| 116 | assertEquals(2.5, array[0]); |
| 117 | set(array, 1, 3.5); |
| 118 | assertEquals(3.5, array[1]); |
| 119 | for (var i = 0; i < 5; i++) { |
| 120 | assertEquals(2.5, get(array, 0)); |
| 121 | assertEquals(3.5, array[1]); |
| 122 | } |
| 123 | %OptimizeFunctionOnNextCall(get); |
| 124 | assertEquals(2.5, get(array, 0)); |
| 125 | assertEquals(3.5, get(array, 1)); |
| 126 | } |
| 127 | |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 128 | // Test non-number parameters. |
| 129 | var array_with_length_from_non_number = new Int32Array("2"); |
| 130 | assertEquals(2, array_with_length_from_non_number.length); |
| 131 | array_with_length_from_non_number = new Int32Array(undefined); |
| 132 | assertEquals(0, array_with_length_from_non_number.length); |
| 133 | var foo = { valueOf: function() { return 3; } }; |
| 134 | array_with_length_from_non_number = new Int32Array(foo); |
| 135 | assertEquals(3, array_with_length_from_non_number.length); |
| 136 | foo = { toString: function() { return "4"; } }; |
| 137 | array_with_length_from_non_number = new Int32Array(foo); |
| 138 | assertEquals(4, array_with_length_from_non_number.length); |
| 139 | |
| 140 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 141 | // Test loads and stores. |
| 142 | types = [Array, Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, |
| 143 | Uint32Array, PixelArray, Float32Array, Float64Array]; |
| 144 | |
| 145 | test_result_nan = [NaN, 0, 0, 0, 0, 0, 0, 0, NaN, NaN]; |
| 146 | test_result_low_int = [-1, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1, -1]; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 147 | test_result_low_double = [-1.25, -1, 255, -1, 65535, -1, 0xFFFFFFFF, 0, -1.25, -1.25]; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 148 | test_result_middle = [253.75, -3, 253, 253, 253, 253, 253, 254, 253.75, 253.75]; |
| 149 | test_result_high_int = [256, 0, 0, 256, 256, 256, 256, 255, 256, 256]; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 150 | test_result_high_double = [256.25, 0, 0, 256, 256, 256, 256, 255, 256.25, 256.25]; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 151 | |
| 152 | const kElementCount = 40; |
| 153 | |
| 154 | function test_load(array, sum) { |
| 155 | for (var i = 0; i < kElementCount; i++) { |
| 156 | sum += array[i]; |
| 157 | } |
| 158 | return sum; |
| 159 | } |
| 160 | |
| 161 | function test_load_const_key(array, sum) { |
| 162 | sum += array[0]; |
| 163 | sum += array[1]; |
| 164 | sum += array[2]; |
| 165 | return sum; |
| 166 | } |
| 167 | |
| 168 | function test_store(array, sum) { |
| 169 | for (var i = 0; i < kElementCount; i++) { |
| 170 | sum += array[i] = i+1; |
| 171 | } |
| 172 | return sum; |
| 173 | } |
| 174 | |
| 175 | function test_store_const_key(array, sum) { |
| 176 | sum += array[0] = 1; |
| 177 | sum += array[1] = 2; |
| 178 | sum += array[2] = 3; |
| 179 | return sum; |
| 180 | } |
| 181 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 182 | function zero() { |
| 183 | return 0.0; |
| 184 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 185 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 186 | function test_store_middle_tagged(array, sum) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 187 | array[0] = 253.75; |
| 188 | return array[0]; |
| 189 | } |
| 190 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 191 | function test_store_high_tagged(array, sum) { |
| 192 | array[0] = 256.25; |
| 193 | return array[0]; |
| 194 | } |
| 195 | |
| 196 | function test_store_middle_double(array, sum) { |
| 197 | array[0] = 253.75 + zero(); // + forces double type feedback |
| 198 | return array[0]; |
| 199 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 200 | |
| 201 | function test_store_high_double(array, sum) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 202 | array[0] = 256.25 + zero(); // + forces double type feedback |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 203 | return array[0]; |
| 204 | } |
| 205 | |
| 206 | function test_store_high_double(array, sum) { |
| 207 | array[0] = 256.25; |
| 208 | return array[0]; |
| 209 | } |
| 210 | |
| 211 | function test_store_low_int(array, sum) { |
| 212 | array[0] = -1; |
| 213 | return array[0]; |
| 214 | } |
| 215 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 216 | function test_store_low_tagged(array, sum) { |
| 217 | array[0] = -1.25; |
| 218 | return array[0]; |
| 219 | } |
| 220 | |
| 221 | function test_store_low_double(array, sum) { |
| 222 | array[0] = -1.25 + zero(); // + forces double type feedback |
| 223 | return array[0]; |
| 224 | } |
| 225 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 226 | function test_store_high_int(array, sum) { |
| 227 | array[0] = 256; |
| 228 | return array[0]; |
| 229 | } |
| 230 | |
| 231 | function test_store_nan(array, sum) { |
| 232 | array[0] = NaN; |
| 233 | return array[0]; |
| 234 | } |
| 235 | |
| 236 | const kRuns = 10; |
| 237 | |
| 238 | function run_test(test_func, array, expected_result) { |
| 239 | for (var i = 0; i < 5; i++) test_func(array, 0); |
| 240 | %OptimizeFunctionOnNextCall(test_func); |
| 241 | var sum = 0; |
| 242 | for (var i = 0; i < kRuns; i++) { |
| 243 | sum = test_func(array, sum); |
| 244 | } |
| 245 | assertEquals(expected_result, sum); |
| 246 | %DeoptimizeFunction(test_func); |
| 247 | gc(); // Makes V8 forget about type information for test_func. |
| 248 | } |
| 249 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 250 | function run_bounds_test(test_func, array, expected_result) { |
| 251 | assertEquals(undefined, a[kElementCount]); |
| 252 | a[kElementCount] = 456; |
| 253 | assertEquals(undefined, a[kElementCount]); |
| 254 | assertEquals(undefined, a[kElementCount+1]); |
| 255 | a[kElementCount+1] = 456; |
| 256 | assertEquals(undefined, a[kElementCount+1]); |
| 257 | } |
| 258 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 259 | for (var t = 0; t < types.length; t++) { |
| 260 | var type = types[t]; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 261 | var a = new type(kElementCount); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 262 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 263 | for (var i = 0; i < kElementCount; i++) { |
| 264 | a[i] = i; |
| 265 | } |
| 266 | |
| 267 | // Run test functions defined above. |
| 268 | run_test(test_load, a, 780 * kRuns); |
| 269 | run_test(test_load_const_key, a, 3 * kRuns); |
| 270 | run_test(test_store, a, 820 * kRuns); |
| 271 | run_test(test_store_const_key, a, 6 * kRuns); |
| 272 | run_test(test_store_low_int, a, test_result_low_int[t]); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 273 | run_test(test_store_low_double, a, test_result_low_double[t]); |
| 274 | run_test(test_store_low_tagged, a, test_result_low_double[t]); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 275 | run_test(test_store_high_int, a, test_result_high_int[t]); |
| 276 | run_test(test_store_nan, a, test_result_nan[t]); |
| 277 | run_test(test_store_middle_double, a, test_result_middle[t]); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 278 | run_test(test_store_middle_tagged, a, test_result_middle[t]); |
| 279 | run_test(test_store_high_double, a, test_result_high_double[t]); |
| 280 | run_test(test_store_high_tagged, a, test_result_high_double[t]); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 281 | |
| 282 | // Test the correct behavior of the |length| property (which is read-only). |
| 283 | if (t != 0) { |
| 284 | assertEquals(kElementCount, a.length); |
| 285 | a.length = 2; |
| 286 | assertEquals(kElementCount, a.length); |
| 287 | assertTrue(delete a.length); |
| 288 | a.length = 2; |
| 289 | assertEquals(2, a.length); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 290 | |
| 291 | // Make sure bounds checks are handled correctly for external arrays. |
| 292 | run_bounds_test(a); |
| 293 | run_bounds_test(a); |
| 294 | run_bounds_test(a); |
| 295 | %OptimizeFunctionOnNextCall(run_bounds_test); |
| 296 | run_bounds_test(a); |
| 297 | %DeoptimizeFunction(run_bounds_test); |
| 298 | gc(); // Makes V8 forget about type information for test_func. |
| 299 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | function array_load_set_smi_check(a) { |
| 303 | return a[0] = a[0] = 1; |
| 304 | } |
| 305 | |
| 306 | array_load_set_smi_check(a); |
| 307 | array_load_set_smi_check(0); |
| 308 | |
| 309 | function array_load_set_smi_check2(a) { |
| 310 | return a[0] = a[0] = 1; |
| 311 | } |
| 312 | |
| 313 | array_load_set_smi_check2(a); |
| 314 | %OptimizeFunctionOnNextCall(array_load_set_smi_check2); |
| 315 | array_load_set_smi_check2(a); |
| 316 | array_load_set_smi_check2(0); |
| 317 | %DeoptimizeFunction(array_load_set_smi_check2); |
| 318 | gc(); // Makes V8 forget about type information for array_load_set_smi_check. |
| 319 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 320 | |
| 321 | // Check handling of undefined in 32- and 64-bit external float arrays. |
| 322 | |
| 323 | function store_float32_undefined(ext_array) { |
| 324 | ext_array[0] = undefined; |
| 325 | } |
| 326 | |
| 327 | var float32_array = new Float32Array(1); |
| 328 | // Make sure runtime does it right |
| 329 | store_float32_undefined(float32_array); |
| 330 | assertTrue(isNaN(float32_array[0])); |
| 331 | // Make sure the ICs do it right |
| 332 | store_float32_undefined(float32_array); |
| 333 | assertTrue(isNaN(float32_array[0])); |
| 334 | // Make sure that Cranskshft does it right. |
| 335 | %OptimizeFunctionOnNextCall(store_float32_undefined); |
| 336 | store_float32_undefined(float32_array); |
| 337 | assertTrue(isNaN(float32_array[0])); |
| 338 | |
| 339 | function store_float64_undefined(ext_array) { |
| 340 | ext_array[0] = undefined; |
| 341 | } |
| 342 | |
| 343 | var float64_array = new Float64Array(1); |
| 344 | // Make sure runtime does it right |
| 345 | store_float64_undefined(float64_array); |
| 346 | assertTrue(isNaN(float64_array[0])); |
| 347 | // Make sure the ICs do it right |
| 348 | store_float64_undefined(float64_array); |
| 349 | assertTrue(isNaN(float64_array[0])); |
| 350 | // Make sure that Cranskshft does it right. |
| 351 | %OptimizeFunctionOnNextCall(store_float64_undefined); |
| 352 | store_float64_undefined(float64_array); |
| 353 | assertTrue(isNaN(float64_array[0])); |