third_party/WebKit/LayoutTests/fast/canvas/canvas-fillStyle-strokeStyle-stringification.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/testharness.js"></script>
   3 <script src="../../resources/testharnessreport.js"></script>
   4 <script>
   5 setup(function() {
   6   window.ctx = document.createElement('canvas').getContext('2d');
   7 });
   8
   9 test(function() {
  10   ctx.fillStyle = "#800000";
  11   ctx.fillStyle = { toString: function() { return "#008000"; } };
  12   assert_equals(ctx.fillStyle, "#008000");
  13 }, 'Stringifies non-CanvasGradient/Pattern object assigned to fillStyle.');
  14
  15 test(function() {
  16   ctx.fillStyle = "#008000";
  17   ctx.fillStyle = {};
  18   assert_equals(ctx.fillStyle, "#008000");
  19 }, 'Non-CanvasGradient/Pattern object without explicit toString() does not affect the value of fillStyle.');
  20
  21 test(function() {
  22   ctx.fillStyle = "#008000";
  23   ctx.fillStyle = 800000;
  24   assert_equals(ctx.fillStyle, "#008000");
  25 }, 'Stringified numbers don\'t yield a correct color when assigned to fillStyle.');
  26
  27 test(function() {
  28   assert_throws(new Error(), function() {
  29     ctx.fillStyle = { toString: function() { throw new Error("Exception"); } };
  30   });
  31 }, 'Rethrows exception thrown from toString() during stringification of non-CanvasGradient/Pattern object assigned to fillStyle.');
  32
  33 test(function() {
  34   ctx.strokeStyle = "#800000";
  35   ctx.strokeStyle = { toString: function() { return "#008000"; } };
  36   assert_equals(ctx.strokeStyle, "#008000");
  37 }, 'Stringifies non-CanvasGradient/Pattern object assigned to strokeStyle.');
  38
  39 test(function() {
  40   ctx.strokeStyle = "#008000";
  41   ctx.strokeStyle = {};
  42   assert_equals(ctx.strokeStyle, "#008000");
  43 }, 'Non-CanvasGradient/Pattern object without explicit toString() does not affect the value of strokeStyle.');
  44
  45 test(function() {
  46   ctx.strokeStyle = "#008000";
  47   ctx.strokeStyle = 800000;
  48   assert_equals(ctx.strokeStyle, "#008000");
  49 }, 'Stringified numbers don\'t yield a correct color when assigned to strokeStyle.');
  50
  51 test(function() {
  52   assert_throws(new Error(), function() {
  53     ctx.strokeStyle = { toString: function() { throw new Error("Exception"); } };
  54   });
  55 }, 'Rethrows exception thrown from toString() during stringification of non-CanvasGradient/Pattern object assigned to strokeStyle.');
  56
  57 </script>