pebble/third_party/jerryscript/tests/jerry/eval.js
2025-01-27 11:38:16 -08:00

124 lines
2.5 KiB
JavaScript

// Copyright 2015 Samsung Electronics Co., Ltd.
//
// 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.
assert (eval () === undefined);
assert (eval (undefined) === undefined);
assert (eval (null) === null);
assert (eval (true) === true);
assert (eval (false) === false);
assert (eval (1) === 1);
assert (eval (eval) === eval);
/* Indirect eval */
function f1()
{
var v1 = 'local value';
assert (v1 === 'local value');
assert (typeof (this.v1) === 'undefined');
r = this.eval ('var v1 = "global value";');
assert (v1 === 'local value');
assert (this.v1 === 'global value');
assert (r === undefined);
};
f1 ();
/* Direct eval from strict mode code */
function f2 (global)
{
'use strict';
var v2 = 'local value';
assert (v2 === 'local value');
assert (typeof (global.v2) === 'undefined');
r = eval ('var v2 = "global value";');
assert (v2 === 'local value');
assert (typeof (global.v2) === 'undefined');
assert (r === undefined);
try
{
eval ('arguments = 1;');
assert (false);
}
catch (e)
{
assert (e instanceof SyntaxError);
}
}
f2 (this);
var y;
for (var i = 0; i < 100; i++)
{
var r = eval ('var x =' + ' 1;');
assert (typeof (x) === 'number');
assert (r === undefined);
delete x;
assert (typeof (x) === 'undefined');
r = eval ('"use ' + 's' + 't' + 'r' + 'i' + 'c' + 't"; va' + 'r x = 1;');
assert (typeof (x) === 'undefined');
assert (r === "use strict");
y = 'str';
assert (typeof (y) === 'string');
delete y;
assert (typeof (y) === 'string');
r = eval ('var y = "another ' + 'string";');
assert (y === 'another string');
assert (r == undefined);
delete y;
assert (typeof (y) === 'string');
r = eval ('if (true) 3; else 5;');
assert (r === 3);
}
// Check SyntaxError handling
try
{
eval ('var var;');
assert (false);
}
catch (e)
{
assert (e instanceof SyntaxError);
}
try
{
eval ("v_0 = {a: Math, /[]/};");
assert (false);
}
catch(e)
{
assert (e instanceof SyntaxError);
}
// nested eval with function expressions
code = 'eval("(function (){})")';
code = "eval ('" + code + "')";
eval (code);