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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+/*
+ * 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 12:47:29 +0000