tor-browser

The Tor Browser
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single-line-html-close-unicode-separators.js (1928B)

      1 // |reftest| error:Test262Error
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-html-like-comments
      6 description: SingleLineHTMLCloseComment
      7 info: |
      8    Comment ::
      9      MultiLineComment
     10      SingleLineComment
     11      SingleLineHTMLOpenComment
     12      SingleLineHTMLCloseComment
     13      SingleLineDelimitedComment
     14 
     15    SingleLineHTMLCloseComment ::
     16      LineTerminatorSequenceHTMLCloseComment
     17 
     18    HTMLCloseComment ::
     19      WhiteSpaceSequence[opt] SingleLineDelimitedCommentSequence[opt] --> SingleLineCommentChars[opt]
     20 negative:
     21  phase: runtime
     22  type: Test262Error
     23 ---*/
     24 
     25 var counter = 0;
     26 
     27 // DANGER WILL ROBINSON!
     28 //
     29 // There are UTF-8-encoded Unicode separators in the lines below.  Some text
     30 // editors (notably including, in the experience of this test's author, the
     31 // GNOME Text Editor used to attempt to create this file) don't properly insert
     32 // and save both these characters.  (It seemed to handle copy/pasting U+2028
     33 // LINE SEPARATOR from GNOME Character Map just fine, but U+2029 PARAGRAPH
     34 // SEPARATOR got mangled in the final saved file.)  Be extremely careful editing
     35 // this file to not inadvertently break this test.
     36 
     37 counter
-->a U+2028 LINE SEPARATOR between "counter" and "-->" means this is all a comment
     38 counter += 1;
     39 
     40 counter
-->a U+2029 PARAGRAPH SEPARATOR between "counter" and "-->" means this is all a comment
     41 counter += 1;
     42 
     43 // Because this test concerns the interpretation of non-executable character
     44 // sequences within ECMAScript source code, special care must be taken to
     45 // ensure that executable code is evaluated as expected.
     46 //
     47 // Express the intended behavior by intentionally throwing an error; this
     48 // guarantees that test runners will only consider the test "passing" if
     49 // executable sequences are correctly interpreted as such.
     50 if (counter === 2) {
     51  throw new Test262Error();
     52 }