third_party/WebKit/LayoutTests/fast/js/script-tests/string-replace-3.js

   1 description(
   2 "String.replace(&hellip;) test &mdash; $&amp;, $`, $' and $nn"
   3 );
   4
   5 var testString = "It's the end of the world as we know it, and I feel fine.";
   6 shouldBe("testString",
   7          "\"It's the end of the world as we know it, and I feel fine.\"");
   8 shouldBe("testString.replace(/I feel/, 'yet $& just')",
   9          "\"It's the end of the world as we know it, and yet I feel just fine.\"");
  10 shouldBe("testString.replace(/the end/, 'nice. $`a picture')",
  11          "\"It's nice. It's a picture of the world as we know it, and I feel fine.\"");
  12 shouldBe('testString.replace(/feel fin/, "am gon$\' By")',
  13          "\"It's the end of the world as we know it, and I am gone. Bye.\"");
  14 shouldBe("testString.replace(/(t)(h)(e e)(n)(d)( o)(f)( )(t)(h)(e )([^r]*)(rld)/, 'not $12olly mammoth')",
  15          "\"It's not woolly mammoth as we know it, and I feel fine.\"");
  16
  17 shouldBe("testString.replace('I feel', 'yet $& just')",
  18          "\"It's the end of the world as we know it, and yet I feel just fine.\"");
  19 shouldBe("testString.replace('the end', 'nice. $`a picture')",
  20          "\"It's nice. It's a picture of the world as we know it, and I feel fine.\"");
  21 shouldBe('testString.replace("feel fin", "am gon$\' By")',
  22          "\"It's the end of the world as we know it, and I am gone. Bye.\"");
  23
  24 shouldBe("testString.replace(/end/, '$$ $0 $00 $1 $01 $2 $12 $9 $99 $1a $11a')",
  25          "\"It's the $ $0 $00 $1 $01 $2 $12 $9 $99 $1a $11a of the world as we know it, and I feel fine.\"");
  26 shouldBe("testString.replace('end', '$$ $0 $00 $1 $01 $2 $12 $9 $99 $1a $11a')",
  27          "\"It's the $ $0 $00 $1 $01 $2 $12 $9 $99 $1a $11a of the world as we know it, and I feel fine.\"");
  28
  29 shouldBe("testString.replace(/(e)(n)(d) (o)(f) (t)(h)(e) (w)(o)(r)(l)(d)/, '$$ $0 $00 $1 $01 $2 $12 $9 $99 $1a $11a')",
  30          "\"It's the $ $0 $00 e e n l w w9 ea ra as we know it, and I feel fine.\"");
  31
  32 singleChar = "a";
  33 twoChar = "aa";
  34 shouldBe("('' + singleChar + singleChar + singleChar).replace('a', 'b')", "'baa'");
  35 shouldBe("('' + twoChar + twoChar + twoChar).replace('a', 'b')", "'baaaaa'");
  36 shouldBe("('' + twoChar + twoChar + twoChar).replace('aa', 'b')", "'baaaa'");
  37 shouldBe("('' + twoChar + twoChar + twoChar).replace('aa', 'bb')", "'bbaaaa'");
  38 shouldBe("('' + twoChar + twoChar + twoChar).replace('a', 'bb')", "'bbaaaaa'");
  39
  40 shouldBe("'\"'.replace(/([^\\])?([\"'])/g, '$1\\$2')", "'\"'");