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Check if it is object in Promise.prototype.then

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Fix issue #1881

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
This commit is contained in:
Zidong Jiang 2017-06-06 20:47:01 +08:00 committed by yichoi
parent d56713b9af
commit 940f1f89c9
2 changed files with 20 additions and 0 deletions
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5
jerry-core/ecma/operations/ecma-promise-object.c
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@ -743,6 +743,11 @@ ecma_promise_then (ecma_value_t promise, /**< the promise which call 'then' */
ecma_value_t on_fulfilled, /**< on_fulfilled function */
ecma_value_t on_rejected) /**< on_rejected function */
{
if (!ecma_is_value_object (promise))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not an object."));
}
ecma_object_t *obj = ecma_get_object_from_value (promise);
if (!ecma_is_promise (obj))

15
tests/jerry/es2015/regression-test-issue-1881.js Normal file
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@ -0,0 +1,15 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// 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.
new Promise(isFinite.toString).catch(Promise.prototype.then)