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: /* Deleting an identifier is a syntax error in strict mode code only. */
michael@0: assertEq(testLenientAndStrict('delete x;',
michael@0:                               parsesSuccessfully,
michael@0:                               parseRaisesException(SyntaxError)),
michael@0:          true);
michael@0: 
michael@0: /*
michael@0:  * A reference expression surrounded by parens is itself a reference
michael@0:  * expression.
michael@0:  */
michael@0: assertEq(testLenientAndStrict('delete (x);',
michael@0:                               parsesSuccessfully,
michael@0:                               parseRaisesException(SyntaxError)),
michael@0:          true);
michael@0: 
michael@0: /* Deleting other sorts of expressions are not syntax errors in either mode. */
michael@0: assertEq(testLenientAndStrict('delete x.y;',
michael@0:                               parsesSuccessfully,
michael@0:                               parsesSuccessfully),
michael@0:          true);
michael@0: assertEq(testLenientAndStrict('delete Object();',
michael@0:                               returns(true),
michael@0:                               returns(true)),
michael@0:          true);
michael@0: 
michael@0: /* Functions should inherit the surrounding code's strictness. */
michael@0: assertEq(testLenientAndStrict('function f() { delete x; }',
michael@0:                               parsesSuccessfully,
michael@0:                               parseRaisesException(SyntaxError)),
michael@0:          true);
michael@0: 
michael@0: /* Local directives override the surrounding code's strictness. */
michael@0: assertEq(testLenientAndStrict('function f() { "use strict"; delete x; }',
michael@0:                               parseRaisesException(SyntaxError),
michael@0:                               parseRaisesException(SyntaxError)),
michael@0:          true);
michael@0: 
michael@0: reportCompare(true, true);