Array.prototype.reduce() tests, minor fixes.

JerryScript-DCO-1.0-Signed-off-by: Laszlo Vidacs lvidacs.u-szeged@partner.samsung.com

jerry-core/ecma/builtin-objects/ecma-builtin-array-prototype.cpp

@@ -2560,13 +2560,17 @@ ecma_builtin_array_prototype_object_reduce (ecma_value_t this_arg, /**< this arg
         current_index = ecma_make_number_value (num_p);
         ecma_value_t prev_value = ecma_get_completion_value_value (accumulator);
         ecma_value_t call_args[] = {prev_value, current_value, current_index, obj_this};
+        ecma_value_t undefined_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
 
         ECMA_TRY_CATCH (call_value,
-                        ecma_op_function_call (func_object_p, ECMA_SIMPLE_VALUE_UNDEFINED, call_args, 4),
+                        ecma_op_function_call (func_object_p, undefined_value, call_args, 4),
                         ret_value);
+
+        ecma_free_completion_value (accumulator);
         accumulator = ecma_copy_completion_value (call_value);
 
         ECMA_FINALIZE (call_value);
+        ecma_free_value (undefined_value, false);
         ECMA_FINALIZE (current_value);
       }
       ecma_deref_ecma_string (index_str_p);

tests/jerry/array_prototype_reduce.js

@@ -0,0 +1,55 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+// Copyright 2015 University of Szeged.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var func = function(a, b) {
+  return a + b;
+}
+
+// check function type
+try {
+  [0].reduce(new Object());
+  assert(false);
+} catch(e) {
+  assert(e instanceof TypeError);
+}
+
+// check for init value
+try {
+  [].reduce(func);
+}
+catch(e) {
+  assert(e instanceof TypeError);
+}
+
+// various checks
+assert ([].reduce(func, 1) === 1);
+
+assert ([0].reduce(func) === 0);
+
+assert ([0, 1].reduce(func) === 1);
+
+assert ([0, 1].reduce(func, 1) === 2);
+
+assert ([0, 1, 2, 3].reduce(func, 1) === 7);
+
+assert (["A","B"].reduce(func) === "AB");
+
+assert (["A","B"].reduce(func, "Init:") === "Init:AB");
+
+assert ([0, 1].reduce(func, 3.2) === 4.2);
+
+assert ([0, "x", 1].reduce(func) === "0x1");
+
+assert ([0, "x", 1].reduce(func, 3.2) === "3.2x1");