third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-overloads-fillText.js

   1 description("Test the behavior of CanvasRenderingContext2D.fillText() when called with different numbers of arguments.");
   2
   3 var ctx = document.createElement('canvas').getContext('2d');
   4
   5 function ExpectedNotEnoughArgumentsMessage(num) {
   6     return "\"TypeError: Failed to execute 'fillText' on 'CanvasRenderingContext2D': 3 arguments required, but only " + num + " present.\"";
   7 }
   8
   9 shouldThrow("ctx.fillText()", ExpectedNotEnoughArgumentsMessage(0));
  10 shouldThrow("ctx.fillText('moo')", ExpectedNotEnoughArgumentsMessage(1));
  11 shouldThrow("ctx.fillText('moo',0)", ExpectedNotEnoughArgumentsMessage(2));
  12 shouldBe("ctx.fillText('moo',0,0)", "undefined");
  13 shouldBe("ctx.fillText('moo',0,0,0)", "undefined");
  14 shouldBe("ctx.fillText('moo',0,0,0,0)", "undefined");