third_party/WebKit/LayoutTests/fast/js/mozilla/strict/script-tests/11.4.1.js

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2
   3 /*
   4  * Any copyright is dedicated to the Public Domain.
   5  * http://creativecommons.org/licenses/publicdomain/
   6  */
   7
   8 /* Deleting an identifier is a syntax error in strict mode code only. */
   9 assertEq(testLenientAndStrict('delete x;',
  10                               parsesSuccessfully,
  11                               parseRaisesException(SyntaxError)),
  12          true);
  13
  14 /*
  15  * A reference expression surrounded by parens is itself a reference
  16  * expression.
  17  */
  18 assertEq(testLenientAndStrict('delete (x);',
  19                               parsesSuccessfully,
  20                               parseRaisesException(SyntaxError)),
  21          true);
  22
  23 /* Deleting other sorts of expressions are not syntax errors in either mode. */
  24 assertEq(testLenientAndStrict('delete x.y;',
  25                               parsesSuccessfully,
  26                               parsesSuccessfully),
  27          true);
  28
  29 /* Functions should inherit the surrounding code's strictness. */
  30 assertEq(testLenientAndStrict('function f() { delete x; }',
  31                               parsesSuccessfully,
  32                               parseRaisesException(SyntaxError)),
  33          true);
  34
  35 /* Local directives override the surrounding code's strictness. */
  36 assertEq(testLenientAndStrict('function f() { "use strict"; delete x; }',
  37                               parseRaisesException(SyntaxError),
  38                               parseRaisesException(SyntaxError)),
  39          true);
  40
  41 reportCompare(true, true);
  42
  43 var successfullyParsed = true;