michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: 
michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: function callFunctionBody(expr) {
michael@0:   return (
michael@0:     '(function f() {\n'
michael@0:     + 'Object.defineProperties(arguments, {1: { writable: false },\n'
michael@0:     + '                                    2: { configurable: false },\n'
michael@0:     + '                                    3: { writable: false,\n'
michael@0:     + '                                        configurable: false }});\n'
michael@0:     + 'return (' + expr + ');\n'
michael@0:     + '})(0, 1, 2, 3);');
michael@0: }
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('arguments[0] = 42'),
michael@0:                               returns(42), returns(42)),
michael@0:          true);
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('delete arguments[0]'),
michael@0:                               returns(true), returns(true)),
michael@0:          true);
michael@0: 
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('arguments[1] = 42'),
michael@0:                               returns(42), raisesException(TypeError)),
michael@0:          true);
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('delete arguments[1]'),
michael@0:                               returns(true), returns(true)),
michael@0:          true);
michael@0: 
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('arguments[2] = 42'),
michael@0:                               returns(42), returns(42)),
michael@0:          true);
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('delete arguments[2]'),
michael@0:                               returns(false), raisesException(TypeError)),
michael@0:          true);
michael@0: 
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('arguments[3] = 42'),
michael@0:                               returns(42), raisesException(TypeError)),
michael@0:          true);
michael@0: 
michael@0: assertEq(testLenientAndStrict(callFunctionBody('delete arguments[3]'),
michael@0:                               returns(false), raisesException(TypeError)),
michael@0:          true);
michael@0: 
michael@0: 
michael@0: reportCompare(true, true);