third_party/WebKit/LayoutTests/fast/js/script-tests/removing-Cf-characters.js

   1 description(
   2
   3 "This test checks that BOM is treated as whitespace as required by ES5, but other Cf characters are not, despite \
   4 what ECMA-262v3 says, see &lt;https://bugs.webkit.org/show_bug.cgi?id=4931>."
   5
   6 );
   7
   8 // U+FEFF ZERO WIDTH NO-BREAK SPACE (BOM)
   9 // U+200F RIGHT-TO-LEFT MARK
  10 // U+200E LEFT-TO-RIGHT MARK
  11 // U+00AD SOFT HYPHEN
  12 // U+2062 INVISIBLE TIMES
  13 // U+200D ZERO WIDTH JOINER
  14 // U+200C ZERO WIDTH NON-JOINER
  15 // U+200B ZERO WIDTH SPACE
  16 var testString = "‏‎⁢‍‌";
  17 shouldBe('escape(testString)',"'%uFEFF%u200F%u200E%AD%u2062%u200D%u200C%u200B'");
  18
  19 var testString2 = eval('"\uFEFF\u200F\u200E\u00AD\u2062\u200D\u200C\u200B"');
  20 shouldBe('escape(testString2)',"'%uFEFF%u200F%u200E%AD%u2062%u200D%u200C%u200B'");
  21
  22 // A BOM is inside "shouldBe".
  23 shouldBe("1", "1");
  24 shouldBe('eval(\'"\uFEFF"\').length', '1');
  25 shouldBe('eval(\'"\uFEFF"\').charCodeAt(0)', '0xFEFF');
  26 shouldBe('+'+eval("\"\uFEFF\"")+'+1 /* BOM between the +\'s */', '1');
  27