1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/checks.h" 6 7 #include "src/v8.h" 8 9 namespace v8 { 10 namespace internal { 11 12 intptr_t HeapObjectTagMask() { return kHeapObjectTagMask; } 13 14 } } // namespace v8::internal 15 16 17 static bool CheckEqualsStrict(volatile double* exp, volatile double* val) { 18 v8::internal::DoubleRepresentation exp_rep(*exp); 19 v8::internal::DoubleRepresentation val_rep(*val); 20 if (std::isnan(exp_rep.value) && std::isnan(val_rep.value)) return true; 21 return exp_rep.bits == val_rep.bits; 22 } 23 24 25 void CheckEqualsHelper(const char* file, int line, const char* expected_source, 26 double expected, const char* value_source, 27 double value) { 28 // Force values to 64 bit memory to truncate 80 bit precision on IA32. 29 volatile double* exp = new double[1]; 30 *exp = expected; 31 volatile double* val = new double[1]; 32 *val = value; 33 if (!CheckEqualsStrict(exp, val)) { 34 V8_Fatal(file, line, 35 "CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f", 36 expected_source, value_source, *exp, *val); 37 } 38 delete[] exp; 39 delete[] val; 40 } 41 42 43 void CheckNonEqualsHelper(const char* file, int line, 44 const char* expected_source, double expected, 45 const char* value_source, double value) { 46 // Force values to 64 bit memory to truncate 80 bit precision on IA32. 47 volatile double* exp = new double[1]; 48 *exp = expected; 49 volatile double* val = new double[1]; 50 *val = value; 51 if (CheckEqualsStrict(exp, val)) { 52 V8_Fatal(file, line, 53 "CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f", 54 expected_source, value_source, *exp, *val); 55 } 56 delete[] exp; 57 delete[] val; 58 } 59 60 61 void CheckEqualsHelper(const char* file, 62 int line, 63 const char* expected_source, 64 v8::Handle<v8::Value> expected, 65 const char* value_source, 66 v8::Handle<v8::Value> value) { 67 if (!expected->Equals(value)) { 68 v8::String::Utf8Value value_str(value); 69 v8::String::Utf8Value expected_str(expected); 70 V8_Fatal(file, line, 71 "CHECK_EQ(%s, %s) failed\n# Expected: %s\n# Found: %s", 72 expected_source, value_source, *expected_str, *value_str); 73 } 74 } 75 76 77 void CheckNonEqualsHelper(const char* file, 78 int line, 79 const char* unexpected_source, 80 v8::Handle<v8::Value> unexpected, 81 const char* value_source, 82 v8::Handle<v8::Value> value) { 83 if (unexpected->Equals(value)) { 84 v8::String::Utf8Value value_str(value); 85 V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %s", 86 unexpected_source, value_source, *value_str); 87 } 88 } 89
