third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-gradient-addStop-error.js

   1 description("A couple of tests to ensure that adding a stop with an invalid color to a gradient throws exceptions normally, but not in dashboard.");
   2 debug("Ensure exceptions are thrown in normal pages");
   3 var ctx = document.createElement('canvas').getContext('2d');
   4 var gradient = ctx.createLinearGradient(0, 0, 0, 100);
   5 shouldThrow("gradient.addColorStop(1, 'rgb(NaN%, NaN%, NaN%)')");
   6 var gradient = ctx.createRadialGradient(0, 0, 0, 100, 0, 0);
   7 shouldThrow("gradient.addColorStop(1, 'rgb(NaN%, NaN%, NaN%)')");
   8
   9 if (this.testRunner) {
  10     debug("Switching to dashboard compatibility mode.  Invalid color strings should no longer cause an exception.");
  11     testRunner.setUseDashboardCompatibilityMode(true);
  12 } else {
  13     debug("The following tests will fail in the browser as we can only enable dashboard compatibility mode in DRT.")
  14 }
  15 // Create a new context so that will be created using dashboard compatibility mode.
  16 ctx = document.createElement('canvas').getContext('2d');
  17 var gradient = ctx.createLinearGradient(0, 0, 0, 100);
  18 shouldBeUndefined("gradient.addColorStop(1, 'rgb(NaN%, NaN%, NaN%)')");
  19 var gradient = ctx.createRadialGradient(0, 0, 0, 100, 0, 0);
  20 shouldBeUndefined("gradient.addColorStop(1, 'rgb(NaN%, NaN%, NaN%)')");