third_party/WebKit/LayoutTests/fast/js/script-tests/postfix-syntax.js

   1 description(
   2 "This test checks whether various forms of postincrement expression are allowed."
   3 );
   4
   5 var x = 0;
   6 var y = 0;
   7
   8 shouldBe('x++', '0');
   9 shouldBe('window.x++', '1');
  10 shouldBe('window["x"]++', '2');
  11 shouldBe('(x)++', '3');
  12 shouldBe('(window.x)++', '4');
  13 shouldBe('(window["x"])++', '5');
  14 shouldBe('(y, x++)', '6');
  15 shouldBe('((x))++', '7');
  16 shouldBe('((window.x))++', '8');
  17 shouldBe('((window["x"]))++', '9');
  18
  19 shouldThrow('(y, x)++');
  20 shouldThrow('(true ? x : y)++');
  21 shouldThrow('x++++');
  22
  23 x = 0;
  24 x = x++;
  25 shouldBe("x", "0");
  26
  27 y = 0;
  28 y = y--;
  29 shouldBe("y", "0");
  30