diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-object.c b/jerry-core/ecma/builtin-objects/ecma-builtin-object.c index 44290623c..fbcf12543 100644 --- a/jerry-core/ecma/builtin-objects/ecma-builtin-object.c +++ b/jerry-core/ecma/builtin-objects/ecma-builtin-object.c @@ -347,7 +347,8 @@ ecma_builtin_object_set_integrity_level (ecma_object_t *obj_p, /**< object */ #if ENABLED (JERRY_BUILTIN_PROXY) if (ECMA_IS_VALUE_ERROR (status)) { - break; + ecma_collection_free (props_p); + return ECMA_VALUE_ERROR; } #endif /* ENABLED (JERRY_BUILTIN_PROXY) */ @@ -390,7 +391,8 @@ ecma_builtin_object_set_integrity_level (ecma_object_t *obj_p, /**< object */ #if ENABLED (JERRY_BUILTIN_PROXY) if (ECMA_IS_VALUE_ERROR (status)) { - break; + ecma_collection_free (props_p); + return ECMA_VALUE_ERROR; } #endif /* ENABLED (JERRY_BUILTIN_PROXY) */ diff --git a/tests/jerry/es.next/regression-test-issue-4052.js b/tests/jerry/es.next/regression-test-issue-4052.js new file mode 100644 index 000000000..fb58ab5cb --- /dev/null +++ b/tests/jerry/es.next/regression-test-issue-4052.js @@ -0,0 +1,36 @@ +// 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. + +var obj = {}; +var proxy = new Proxy(obj, { + getOwnPropertyDescriptor: function (target, property) { + }, +}); +var proxy2 = new Proxy(proxy, { + a: obj.prop2++ +}); + +try { + Object.freeze(proxy); + assert(false); +} catch (e) { + assert(e instanceof TypeError); +} + +try { + Object.seal(proxy); + assert(false); +} catch (e) { + assert(e instanceof TypeError); +}