let-as-label.js - mozsearch

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

*/

//-----------------------------------------------------------------------------

var BUGNUMBER = 1288459;

var summary = "let can't be used as a label in strict mode code";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

Function("let: 42");

Function("l\\u0065t: 42");

assertThrowsInstanceOf(() => Function(" 'use strict'; let: 42"), SyntaxError);

assertThrowsInstanceOf(() => Function(" 'use strict' \n let: 42"), SyntaxError);

assertThrowsInstanceOf(() => Function(" 'use strict'; l\\u0065t: 42"), SyntaxError);

assertThrowsInstanceOf(() => Function(" 'use strict' \n l\\u0065t: 42"), SyntaxError);

eval("let: 42");

eval("l\\u0065t: 42");

assertThrowsInstanceOf(() => eval(" 'use strict'; let: 42"), SyntaxError);

assertThrowsInstanceOf(() => eval(" 'use strict' \n let: 42;"), SyntaxError);

assertThrowsInstanceOf(() => eval(" 'use strict'; l\\u0065t: 42"), SyntaxError);

assertThrowsInstanceOf(() => eval(" 'use strict' \n l\\u0065t: 42;"), SyntaxError);

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");