tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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2d.layer.exceptions-are-no-op.tentative.worker.js (902B)

      1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
      2 // OffscreenCanvas test in a worker:2d.layer.exceptions-are-no-op.tentative
      3 // Description:Checks that the context state is left unchanged if beginLayer throws.
      4 // Note:
      5 
      6 importScripts("/resources/testharness.js");
      7 importScripts("/html/canvas/resources/canvas-tests.js");
      8 
      9 test(t => {
     10  var canvas = new OffscreenCanvas(100, 50);
     11  var ctx = canvas.getContext('2d');
     12 
     13  // Get `beginLayer` to throw while parsing the filter.
     14  assert_throws_js(TypeError,
     15                   () => ctx.beginLayer({filter: {name: 'colorMatrix',
     16                                                  values: 'foo'}}));
     17  // `beginLayer` shouldn't have opened the layer, so `endLayer` should throw.
     18  assert_throws_dom("InvalidStateError", () => ctx.endLayer());
     19 }, "Checks that the context state is left unchanged if beginLayer throws.");
     20 done();