forked from xuos/xiuos
162 lines
3.1 KiB
JavaScript
162 lines
3.1 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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assert (eval () === undefined);
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assert (eval (undefined) === undefined);
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assert (eval (null) === null);
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assert (eval (true) === true);
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assert (eval (false) === false);
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assert (eval (1) === 1);
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assert (eval (eval) === eval);
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/* Indirect eval */
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function f1()
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{
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var v1 = 'local value';
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assert (v1 === 'local value');
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assert (typeof (this.v1) === 'undefined');
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r = this.eval ('var v1 = "global value";');
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assert (v1 === 'local value');
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assert (this.v1 === 'global value');
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assert (r === undefined);
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};
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f1 ();
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/* Direct eval from strict mode code */
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function f2 (global)
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{
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'use strict';
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var v2 = 'local value';
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assert (v2 === 'local value');
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assert (typeof (global.v2) === 'undefined');
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r = eval ('var v2 = "global value";');
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assert (v2 === 'local value');
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assert (typeof (global.v2) === 'undefined');
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assert (r === undefined);
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try
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{
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eval ('arguments = 1;');
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assert (false);
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}
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catch (e)
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{
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assert (e instanceof SyntaxError);
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}
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}
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f2 (this);
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var y;
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for (var i = 0; i < 100; i++)
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{
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var r = eval ('var x =' + ' 1;');
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assert (typeof (x) === 'number');
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assert (r === undefined);
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delete x;
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assert (typeof (x) === 'undefined');
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r = eval ('"use ' + 's' + 't' + 'r' + 'i' + 'c' + 't"; va' + 'r x = 1;');
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assert (typeof (x) === 'undefined');
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assert (r === "use strict");
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y = 'str';
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assert (typeof (y) === 'string');
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delete y;
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assert (typeof (y) === 'string');
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r = eval ('var y = "another ' + 'string";');
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assert (y === 'another string');
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assert (r == undefined);
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delete y;
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assert (typeof (y) === 'string');
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r = eval ('if (true) 3; else 5;');
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assert (r === 3);
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}
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// Check SyntaxError handling
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try
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{
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eval ('var var;');
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assert (false);
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}
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catch (e)
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{
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assert (e instanceof SyntaxError);
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}
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try
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{
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eval ("v_0 = {a: Math, /[]/};");
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assert (false);
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}
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catch(e)
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{
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assert (e instanceof SyntaxError);
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}
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// nested eval with function expressions
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code = 'eval("(function (){})")';
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code = "eval ('" + code + "')";
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eval (code);
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// Eval enclosed in brackets is still an eval.
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var p1 = 0;
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function f3() {
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var p1 = 5;
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(eval)("assert(p1 === 5)");
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}
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f3();
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function f4() {
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var p1 = 6;
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((eval))("assert(p1 === 6)");
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}
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f4();
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function f5() {
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var p1 = 7;
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(((((eval)))("assert(p1 === 7)")));
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}
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f5();
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function f6() {
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var p1 = 8;
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var e = eval;
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e("assert(p1 === 0)");
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(((((e)))("assert(p1 === 0)")));
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}
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f6();
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y = 1;
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function f7() {
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function x() { return y; }
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eval("assert(x()() === 5); function y() { return 5 } assert(x()() === 5)");
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}
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f7()
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