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Fix NaN handling in ecma_op_same_value.

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Related issue: #130

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-07-10 19:42:09 +03:00
committed by Evgeny Gavrin
parent 710a18d6af
commit 8aa2571699
2 changed files with 42 additions and 17 deletions
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jerry-core/ecma/operations/ecma-conversion.cpp
+25 -17
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@@ -102,22 +102,28 @@ ecma_op_same_value (ecma_value_t x, /**< ecma-value */
{
return false;
}
if (is_x_undefined
|| is_x_null)
else if (is_x_undefined || is_x_null)
{
return true;
}
if (is_x_number)
else if (is_x_number)
{
ecma_number_t *x_num_p = ecma_get_number_from_value (x);
ecma_number_t *y_num_p = ecma_get_number_from_value (y);
if (ecma_number_is_nan (*x_num_p)
&& ecma_number_is_nan (*y_num_p))
bool is_x_nan = ecma_number_is_nan (*x_num_p);
bool is_y_nan = ecma_number_is_nan (*y_num_p);
if (is_x_nan || is_y_nan)
{
return true;
/*
* If both are NaN
* return true;
* else
* // one of the numbers is NaN, and another - is not
* return false;
*/
return (is_x_nan && is_y_nan);
}
else if (ecma_number_is_zero (*x_num_p)
&& ecma_number_is_zero (*y_num_p)
@@ -125,26 +131,28 @@ ecma_op_same_value (ecma_value_t x, /**< ecma-value */
{
return false;
}
return (*x_num_p == *y_num_p);
else
{
return (*x_num_p == *y_num_p);
}
}
if (is_x_string)
else if (is_x_string)
{
ecma_string_t* x_str_p = ecma_get_string_from_value (x);
ecma_string_t* y_str_p = ecma_get_string_from_value (y);
return ecma_compare_ecma_strings (x_str_p, y_str_p);
}
if (is_x_boolean)
else if (is_x_boolean)
{
return (ecma_is_value_true (x) == ecma_is_value_true (y));
}
else
{
JERRY_ASSERT (is_x_object);
JERRY_ASSERT (is_x_object);
return (ecma_get_object_from_value (x) == ecma_get_object_from_value (y));
return (ecma_get_object_from_value (x) == ecma_get_object_from_value (y));
}
} /* ecma_op_same_value */
/**