v8/src/checks.cc
2014-07-30 13:54:45 +00:00

89 lines
2.9 KiB
C++

// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/checks.h"
#include "src/v8.h"
namespace v8 {
namespace internal {
intptr_t HeapObjectTagMask() { return kHeapObjectTagMask; }
} } // namespace v8::internal
static bool CheckEqualsStrict(volatile double* exp, volatile double* val) {
v8::internal::DoubleRepresentation exp_rep(*exp);
v8::internal::DoubleRepresentation val_rep(*val);
if (std::isnan(exp_rep.value) && std::isnan(val_rep.value)) return true;
return exp_rep.bits == val_rep.bits;
}
void CheckEqualsHelper(const char* file, int line, const char* expected_source,
double expected, const char* value_source,
double value) {
// Force values to 64 bit memory to truncate 80 bit precision on IA32.
volatile double* exp = new double[1];
*exp = expected;
volatile double* val = new double[1];
*val = value;
if (!CheckEqualsStrict(exp, val)) {
V8_Fatal(file, line,
"CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f",
expected_source, value_source, *exp, *val);
}
delete[] exp;
delete[] val;
}
void CheckNonEqualsHelper(const char* file, int line,
const char* expected_source, double expected,
const char* value_source, double value) {
// Force values to 64 bit memory to truncate 80 bit precision on IA32.
volatile double* exp = new double[1];
*exp = expected;
volatile double* val = new double[1];
*val = value;
if (CheckEqualsStrict(exp, val)) {
V8_Fatal(file, line,
"CHECK_EQ(%s, %s) failed\n# Expected: %f\n# Found: %f",
expected_source, value_source, *exp, *val);
}
delete[] exp;
delete[] val;
}
void CheckEqualsHelper(const char* file,
int line,
const char* expected_source,
v8::Handle<v8::Value> expected,
const char* value_source,
v8::Handle<v8::Value> value) {
if (!expected->Equals(value)) {
v8::String::Utf8Value value_str(value);
v8::String::Utf8Value expected_str(expected);
V8_Fatal(file, line,
"CHECK_EQ(%s, %s) failed\n# Expected: %s\n# Found: %s",
expected_source, value_source, *expected_str, *value_str);
}
}
void CheckNonEqualsHelper(const char* file,
int line,
const char* unexpected_source,
v8::Handle<v8::Value> unexpected,
const char* value_source,
v8::Handle<v8::Value> value) {
if (unexpected->Equals(value)) {
v8::String::Utf8Value value_str(value);
V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %s",
unexpected_source, value_source, *value_str);
}
}