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
HeapObjectTagMask()12 intptr_t HeapObjectTagMask() { return kHeapObjectTagMask; }
13
14 } } // namespace v8::internal
15
16
CheckEqualsStrict(volatile double * exp,volatile double * val)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
CheckEqualsHelper(const char * file,int line,const char * expected_source,double expected,const char * value_source,double value)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
CheckNonEqualsHelper(const char * file,int line,const char * expected_source,double expected,const char * value_source,double value)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
CheckEqualsHelper(const char * file,int line,const char * expected_source,v8::Handle<v8::Value> expected,const char * value_source,v8::Handle<v8::Value> value)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
CheckNonEqualsHelper(const char * file,int line,const char * unexpected_source,v8::Handle<v8::Value> unexpected,const char * value_source,v8::Handle<v8::Value> value)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