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Returned array of Array.prototype.map() should have same length as original.

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JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai.u-szeged@partner.samsung.com
This commit is contained in:
Dániel Bátyai 2015-07-20 10:53:07 +02:00
parent fc45b80579
commit 2e0334ccb2
2 changed files with 8 additions and 0 deletions
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4
jerry-core/ecma/builtin-objects/ecma-builtin-array-prototype.cpp
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@ -2384,7 +2384,11 @@ ecma_builtin_array_prototype_object_map (ecma_value_t this_arg, /**< this argume
if (ecma_is_completion_value_empty (ret_value))
{
ECMA_TRY_CATCH (set_length_value,
ecma_builtin_array_prototype_helper_set_length (new_array_p, ecma_uint32_to_number (len)),
ret_value);
ret_value = new_array;
ECMA_FINALIZE (set_length_value);
}
else
{

4
tests/jerry/array-prototype-map.js
View File

@ -52,6 +52,10 @@ assert ([1, 4, 9].map(func).equals([1,5,11]));
assert ([1, "X", 10].map(func).equals([1, "X1", 12]));
var arr = [1,2,3];
arr.length = 5;
assert(arr.map(func).length === arr.length);
var long_array = [0, 1];
assert (long_array.map(func).equals([0,2]));