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https://github.com/jerryscript-project/jerryscript.git
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daeee77d63
This patch prevents assigning a value to a string literal after a this token. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
61 lines
1.3 KiB
JavaScript
61 lines
1.3 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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function parse (txt) {
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try {
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eval (txt)
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assert (false)
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} catch (e) {
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assert (e instanceof SyntaxError)
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}
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}
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var a = 21;
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var b = 10;
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var c;
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parse ("c = a++b");
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parse ("c = a--b");
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parse ("c = a +* b");
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parse ("c = a -* b");
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parse ("c = a +/ b");
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parse ("c = a -/ b");
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parse ("c = a +% b");
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parse ("c = a -% b");
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parse ("a =* b");
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parse ("a =/ b");
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parse ("a =% b");
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parse ("c = a+");
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parse ("c = a-");
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parse("a++\n()");
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parse("a--\n.b");
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function f() {
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var a = 0;
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function g() {}
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try {
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eval ("g(this, 'a' = 1)");
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assert (false)
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} catch (e) {
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assert (e instanceof ReferenceError);
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}
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assert (a === 0);
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}
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f();
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