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/*
* Any copyright is dedicated to the Public Domain.
*/
//-----------------------------------------------------------------------------
var BUGNUMBER = 497869;
var summary = "Implement FutureReservedWords per-spec";
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
var futureReservedWords =
[
"class",
// "const", // Mozilla extension enabled even for versionless code
"enum",
"export",
"extends",
"import",
"super",
];
var strictFutureReservedWords =
[
"implements",
"interface",
"let", // enabled: this file doesn't execute as JS1.7
"package",
"private",
"protected",
"public",
"static",
"yield", // enabled: this file doesn't execute as JS1.7
];
function testWord(word, expectNormal, expectStrict)
{
var actual, status;
// USE AS LHS FOR ASSIGNMENT
actual = "";
status = summary + ": " + word + ": normal assignment";
try
{
eval(word + " = 'foo';");
actual = "no error";
}
catch(e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict assignment";
try
{
eval("'use strict'; " + word + " = 'foo';");
actual = "no error";
}
catch(e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS DESTRUCTURING SHORTHAND
actual = "";
status = summary + ": " + word + ": destructuring shorthand";
try
{
eval("({ " + word + " } = 'foo');");
actual = "no error";
}
catch(e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict destructuring shorthand";
try
{
eval("'use strict'; ({ " + word + " } = 'foo');");
actual = "no error";
}
catch(e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE IN VARIABLE DECLARATION
actual = "";
status = summary + ": " + word + ": normal var";
try
{
eval("var " + word + ";");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict var";
try
{
eval("'use strict'; var " + word + ";");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE IN FOR-IN VARIABLE DECLARATION
actual = "";
status = summary + ": " + word + ": normal for-in var";
try
{
eval("for (var " + word + " in {});");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict for-in var";
try
{
eval("'use strict'; for (var " + word + " in {});");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS CATCH IDENTIFIER
actual = "";
status = summary + ": " + word + ": normal var";
try
{
eval("try { } catch (" + word + ") { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict var";
try
{
eval("'use strict'; try { } catch (" + word + ") { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS LABEL
actual = "";
status = summary + ": " + word + ": normal label";
try
{
eval(word + ": while (false);");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict label";
try
{
eval("'use strict'; " + word + ": while (false);");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS ARGUMENT NAME IN FUNCTION DECLARATION
actual = "";
status = summary + ": " + word + ": normal function argument";
try
{
eval("function foo(" + word + ") { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict function argument";
try
{
eval("'use strict'; function foo(" + word + ") { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
actual = "";
status = summary + ": " + word + ": function argument retroactively strict";
try
{
eval("function foo(" + word + ") { 'use strict'; }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS ARGUMENT NAME IN FUNCTION EXPRESSION
actual = "";
status = summary + ": " + word + ": normal function expression argument";
try
{
eval("var s = (function foo(" + word + ") { });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict function expression argument";
try
{
eval("'use strict'; var s = (function foo(" + word + ") { });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
actual = "";
status = summary + ": " + word + ": function expression argument retroactively strict";
try
{
eval("var s = (function foo(" + word + ") { 'use strict'; });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS ARGUMENT NAME WITH FUNCTION CONSTRUCTOR
actual = "";
status = summary + ": " + word + ": argument with normal Function";
try
{
Function(word, "return 17");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": argument with strict Function";
try
{
Function(word, "'use strict'; return 17");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS ARGUMENT NAME IN PROPERTY SETTER
actual = "";
status = summary + ": " + word + ": normal property setter argument";
try
{
eval("var o = { set x(" + word + ") { } };");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict property setter argument";
try
{
eval("'use strict'; var o = { set x(" + word + ") { } };");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
actual = "";
status = summary + ": " + word + ": property setter argument retroactively strict";
try
{
eval("var o = { set x(" + word + ") { 'use strict'; } };");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS FUNCTION NAME IN FUNCTION DECLARATION
actual = "";
status = summary + ": " + word + ": normal function name";
try
{
eval("function " + word + "() { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict function name";
try
{
eval("'use strict'; function " + word + "() { }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
actual = "";
status = summary + ": " + word + ": function name retroactively strict";
try
{
eval("function " + word + "() { 'use strict'; }");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
// USE AS FUNCTION NAME IN FUNCTION EXPRESSION
actual = "";
status = summary + ": " + word + ": normal function expression name";
try
{
eval("var s = (function " + word + "() { });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectNormal, status);
actual = "";
status = summary + ": " + word + ": strict function expression name";
try
{
eval("'use strict'; var s = (function " + word + "() { });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
actual = "";
status = summary + ": " + word + ": function expression name retroactively strict";
try
{
eval("var s = (function " + word + "() { 'use strict'; });");
actual = "no error";
}
catch (e)
{
actual = e.name;
status += ", " + e.name + ": " + e.message + " ";
}
assertEq(actual, expectStrict, status);
}
function testFutureReservedWord(word)
{
testWord(word, "SyntaxError", "SyntaxError");
}
function testStrictFutureReservedWord(word)
{
testWord(word, "no error", "SyntaxError");
}
futureReservedWords.forEach(testFutureReservedWord);
strictFutureReservedWords.forEach(testStrictFutureReservedWord);
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("All tests passed!");