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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include <stdlib.h> | 28 #include <stdlib.h> |
29 | 29 |
30 #include "src/v8.h" | 30 #include "src/v8.h" |
31 | 31 |
| 32 #include "src/base/utils/random-number-generator.h" |
32 #include "src/bignum.h" | 33 #include "src/bignum.h" |
33 #include "src/diy-fp.h" | 34 #include "src/diy-fp.h" |
34 #include "src/double.h" | 35 #include "src/double.h" |
35 #include "src/strtod.h" | 36 #include "src/strtod.h" |
36 #include "src/utils/random-number-generator.h" | |
37 #include "test/cctest/cctest.h" | 37 #include "test/cctest/cctest.h" |
38 | 38 |
39 using namespace v8::internal; | 39 using namespace v8::internal; |
40 | 40 |
41 static Vector<const char> StringToVector(const char* str) { | 41 static Vector<const char> StringToVector(const char* str) { |
42 return Vector<const char>(str, StrLength(str)); | 42 return Vector<const char>(str, StrLength(str)); |
43 } | 43 } |
44 | 44 |
45 | 45 |
46 static double StrtodChar(const char* str, int exponent) { | 46 static double StrtodChar(const char* str, int exponent) { |
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442 lo = 18273 * (lo & 0xFFFF) + (lo >> 16); | 442 lo = 18273 * (lo & 0xFFFF) + (lo >> 16); |
443 return (hi << 16) + (lo & 0xFFFF); | 443 return (hi << 16) + (lo & 0xFFFF); |
444 } | 444 } |
445 | 445 |
446 | 446 |
447 static const int kBufferSize = 1024; | 447 static const int kBufferSize = 1024; |
448 static const int kShortStrtodRandomCount = 2; | 448 static const int kShortStrtodRandomCount = 2; |
449 static const int kLargeStrtodRandomCount = 2; | 449 static const int kLargeStrtodRandomCount = 2; |
450 | 450 |
451 TEST(RandomStrtod) { | 451 TEST(RandomStrtod) { |
452 RandomNumberGenerator rng; | 452 v8::base::RandomNumberGenerator rng; |
453 char buffer[kBufferSize]; | 453 char buffer[kBufferSize]; |
454 for (int length = 1; length < 15; length++) { | 454 for (int length = 1; length < 15; length++) { |
455 for (int i = 0; i < kShortStrtodRandomCount; ++i) { | 455 for (int i = 0; i < kShortStrtodRandomCount; ++i) { |
456 int pos = 0; | 456 int pos = 0; |
457 for (int j = 0; j < length; ++j) { | 457 for (int j = 0; j < length; ++j) { |
458 buffer[pos++] = rng.NextInt(10) + '0'; | 458 buffer[pos++] = rng.NextInt(10) + '0'; |
459 } | 459 } |
460 int exponent = DeterministicRandom() % (25*2 + 1) - 25 - length; | 460 int exponent = DeterministicRandom() % (25*2 + 1) - 25 - length; |
461 buffer[pos] = '\0'; | 461 buffer[pos] = '\0'; |
462 Vector<const char> vector(buffer, pos); | 462 Vector<const char> vector(buffer, pos); |
463 double strtod_result = Strtod(vector, exponent); | 463 double strtod_result = Strtod(vector, exponent); |
464 CHECK(CheckDouble(vector, exponent, strtod_result)); | 464 CHECK(CheckDouble(vector, exponent, strtod_result)); |
465 } | 465 } |
466 } | 466 } |
467 for (int length = 15; length < 800; length += 2) { | 467 for (int length = 15; length < 800; length += 2) { |
468 for (int i = 0; i < kLargeStrtodRandomCount; ++i) { | 468 for (int i = 0; i < kLargeStrtodRandomCount; ++i) { |
469 int pos = 0; | 469 int pos = 0; |
470 for (int j = 0; j < length; ++j) { | 470 for (int j = 0; j < length; ++j) { |
471 buffer[pos++] = rng.NextInt(10) + '0'; | 471 buffer[pos++] = rng.NextInt(10) + '0'; |
472 } | 472 } |
473 int exponent = DeterministicRandom() % (308*2 + 1) - 308 - length; | 473 int exponent = DeterministicRandom() % (308*2 + 1) - 308 - length; |
474 buffer[pos] = '\0'; | 474 buffer[pos] = '\0'; |
475 Vector<const char> vector(buffer, pos); | 475 Vector<const char> vector(buffer, pos); |
476 double strtod_result = Strtod(vector, exponent); | 476 double strtod_result = Strtod(vector, exponent); |
477 CHECK(CheckDouble(vector, exponent, strtod_result)); | 477 CHECK(CheckDouble(vector, exponent, strtod_result)); |
478 } | 478 } |
479 } | 479 } |
480 } | 480 } |
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