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a1df9c1420
Freezing the global object and later trying to add properties to it caused an assertion error (issue #2105). This patch fixes the issue. JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/* Adding property to a frozen object */
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var a = {one: "test"};
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a.two = 3;
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Object.freeze(a);
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a.three = 7;
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assert(a.three === undefined);
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/* Adding properties to frozen global object */
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Object.freeze(this);
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assert(eval ('function b() {};') === undefined);
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assert(eval('var test_var = 3') === undefined);
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/* Check strict mode TypeError */
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function fail() {
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'use strict';
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a.one = 'test'; // throws a TypeError
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delete a.two; // throws a TypeError
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a.three = 'test2'; // throws a TypeError
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}
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try {
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fail();
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} catch (e) {
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assert(e instanceof TypeError);
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}
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function fail_two() {
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'use strict';
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this.a = 'test';
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}
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try {
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fail_two();
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} catch (e) {
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assert(e instanceof TypeError);
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}
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/* Check properties of a */
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assert(Object.keys(a) == "one,two");
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/* Check properties of global object */
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assert(Object.keys(this) == "assert,gc,print,a,fail,fail_two");
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