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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/*
* Any copyright is dedicated to the Public Domain.
*/
/*
* In strict mode, it is a syntax error for an identifier to appear
* more than once in a function's argument list.
*/
/*
* The parameters of ordinary function definitions should not contain
* duplicate identifiers.
*/
assertEq(testLenientAndStrict('function f(x,y) {}',
parsesSuccessfully,
parsesSuccessfully),
true);
assertEq(testLenientAndStrict('function f(x,x) {}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f(x,y,z,y) {}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
/* Exercise the hashed local name map case. */
assertEq(testLenientAndStrict('function f(a,b,c,d,e,f,g,h,d) {}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
/*
* SpiderMonkey has always treated duplicates in destructuring
* patterns as an error. Strict mode should not affect this.
*/
assertEq(testLenientAndStrict('function f([x,y]) {}',
parsesSuccessfully,
parsesSuccessfully),
true);
assertEq(testLenientAndStrict('function f([x,x]){}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f(x,[x]){}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
/*
* Strict rules apply to the parameters if the function's body is
* strict.
*/
assertEq(testLenientAndStrict('function f(x,x) { "use strict" };',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
/*
* Calls to the function constructor should not be affected by the
* strictness of the calling code, but should be affected by the
* strictness of the function body.
*/
assertEq(testLenientAndStrict('Function("x","x","")',
completesNormally,
completesNormally),
true);
assertEq(testLenientAndStrict('Function("x","y","")',
completesNormally,
completesNormally),
true);
assertEq(testLenientAndStrict('Function("x","x","\'use strict\'")',
raisesException(SyntaxError),
raisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('Function("x","y","\'use strict\'")',
completesNormally,
completesNormally),
true);
/*
* The parameter lists of function expressions should not contain
* duplicate identifiers.
*/
assertEq(testLenientAndStrict('(function (x,x) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function (x,y) {})',
parsesSuccessfully,
parsesSuccessfully),
true);
/*
* All permutations of:
* - For the two magic identifiers 'arguments' or 'eval'
* - For function definitions, function expressions, expression closures,
* and getter and setter property definitions,
* - For forms that inherit their context's strictness, and forms that
* include their own strictness directives,
* - For ordinary parameters, array destructuring parameters, and
* object destructuring parameters,
* - the magic identifiers may be used to name such parameters
* in lenient code, but not in strict code
* - the magic identifiers may be used as function names in lenient code,
* but not in strict code
*/
assertEq(testLenientAndStrict('function f(eval){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f([eval]){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f({x:eval}){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function eval(){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f(eval){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f([eval]){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f({x:eval}){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function eval(){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(eval){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([eval]){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:eval}){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function eval(){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(eval){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([eval]){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:eval}){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function eval(){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(eval) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([eval]) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:eval}) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function eval() {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x(eval){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x([eval]){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x({x:eval}){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x(eval){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x([eval]){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x({x:eval}){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f(arguments){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f([arguments]){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f({x:arguments}){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function arguments(){}',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f(arguments){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f([arguments]){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function f({x:arguments}){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('function arguments(){"use strict";}',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(arguments){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([arguments]){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:arguments}){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function arguments(){})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(arguments){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([arguments]){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:arguments}){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function arguments(){"use strict";})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f(arguments) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f([arguments]) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function f({x:arguments}) {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('(function arguments() {})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x(arguments){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x([arguments]){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x({x:arguments}){}})',
parsesSuccessfully,
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x(arguments){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x([arguments]){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('({set x({x:arguments}){"use strict";}})',
parseRaisesException(SyntaxError),
parseRaisesException(SyntaxError)),
true);
/*
* Functions produced using the Function constructor may not use
* 'eval' or 'arguments' as a parameter name if their body is strict
* mode code. The strictness of the calling code does not affect the
* constraints applied to the parameters.
*/
assertEq(testLenientAndStrict('Function("eval","")',
completesNormally,
completesNormally),
true);
assertEq(testLenientAndStrict('Function("eval","\'use strict\';")',
raisesException(SyntaxError),
raisesException(SyntaxError)),
true);
assertEq(testLenientAndStrict('Function("arguments","")',
completesNormally,
completesNormally),
true);
assertEq(testLenientAndStrict('Function("arguments","\'use strict\';")',
raisesException(SyntaxError),
raisesException(SyntaxError)),
true);
reportCompare(true, true);