third_party/WebKit/LayoutTests/fast/js/script-tests/string-match.js

   1 description(
   2 "String.match(&hellip;) test"
   3 );
   4
   5 // match with a global regexp should set lastIndex to zero; if read-only this should throw.
   6 // If the regexp is not global, lastIndex is not modified.
   7 var re;
   8 function testMatch(_re, readonly)
   9 {
  10     re = _re;
  11     re.lastIndex = 3;
  12     if (readonly)
  13         re = Object.defineProperty(re, 'lastIndex', {writable:false});
  14     return '0x1x2'.match(re);
  15 }
  16
  17 shouldBe("testMatch(/x/g, false)", '["x","x"]');
  18 shouldThrow("testMatch(/x/g, true)");
  19 shouldBe("testMatch(/x/, false)", '["x"]');
  20 shouldBe("testMatch(/x/, true)", '["x"]');
  21 shouldBe("testMatch(/x/g, false); re.lastIndex", '0');
  22 shouldThrow("testMatch(/x/g, true); re.lastIndex");
  23 shouldBe("testMatch(/x/, false); re.lastIndex", '3');
  24 shouldBe("testMatch(/x/, true); re.lastIndex", '3');