checks.cc File Reference

#include "src/checks.h"
#include "src/v8.h"

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Namespaces
	v8
	Debugger support for the V8 JavaScript engine.
	v8::internal

Functions
intptr_t	v8::internal::HeapObjectTagMask ()
static bool	CheckEqualsStrict (volatile double *exp, volatile double *val)
void	CheckEqualsHelper (const char *file, int line, const char *expected_source, double expected, const char *value_source, double value)
void	CheckNonEqualsHelper (const char *file, int line, const char *expected_source, double expected, const char *value_source, double value)
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)
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)

Function Documentation

CheckEqualsHelper() [1/2]

void CheckEqualsHelper	(	const char *	file,
		int	line,
		const char *	expected_source,
		double	expected,
		const char *	value_source,
		double	value
	)

Definition at line 25 of file checks.cc.

                                     {
  // 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;
}

References CheckEqualsStrict(), file(), and V8_Fatal().

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CheckEqualsHelper() [2/2]

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
	)

Definition at line 61 of file checks.cc.

                                                {
  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);
  }
}

References v8::Value::Equals(), file(), and V8_Fatal().

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CheckEqualsStrict()

static bool CheckEqualsStrict ( volatile double *  exp, volatile double *  val  )

static

Definition at line 17 of file checks.cc.

                                                                          {
  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;
}

References v8::internal::DoubleRepresentation::bits, and v8::internal::DoubleRepresentation::value.

Referenced by CheckEqualsHelper(), and CheckNonEqualsHelper().

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CheckNonEqualsHelper() [1/2]

void CheckNonEqualsHelper	(	const char *	file,
		int	line,
		const char *	expected_source,
		double	expected,
		const char *	value_source,
		double	value
	)

Definition at line 43 of file checks.cc.

                                                                  {
  // 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;
}

References CheckEqualsStrict(), file(), and V8_Fatal().

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CheckNonEqualsHelper() [2/2]

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
	)

Definition at line 77 of file checks.cc.

                                                   {
  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);
  }
}

References v8::Value::Equals(), file(), and V8_Fatal().

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