2d.layer.beginLayer-options.tentative.html (2070B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>Canvas test: 2d.layer.beginLayer-options.tentative</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> 9 <body class="show_output"> 10 11 <h1>2d.layer.beginLayer-options.tentative</h1> 12 <p class="desc">Checks beginLayer works for different option parameter values</p> 13 14 15 <p class="output">Actual output:</p> 16 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 17 18 <ul id="d"></ul> 19 <script> 20 test(t => { 21 var canvas = document.getElementById('c'); 22 var ctx = canvas.getContext('2d'); 23 24 ctx.beginLayer(); ctx.endLayer(); 25 ctx.beginLayer(null); ctx.endLayer(); 26 ctx.beginLayer(undefined); ctx.endLayer(); 27 ctx.beginLayer([]); ctx.endLayer(); 28 ctx.beginLayer({}); ctx.endLayer(); 29 30 assert_throws_js(TypeError, function() { ctx.beginLayer(''); }); 31 assert_throws_js(TypeError, function() { ctx.beginLayer(0); }); 32 assert_throws_js(TypeError, function() { ctx.beginLayer(1); }); 33 assert_throws_js(TypeError, function() { ctx.beginLayer(true); }); 34 assert_throws_js(TypeError, function() { ctx.beginLayer(false); }); 35 36 ctx.beginLayer({filter: null}); ctx.endLayer(); 37 ctx.beginLayer({filter: undefined}); ctx.endLayer(); 38 ctx.beginLayer({filter: []}); ctx.endLayer(); 39 ctx.beginLayer({filter: {}}); ctx.endLayer(); 40 ctx.beginLayer({filter: {name: "unknown"}}); ctx.endLayer(); 41 ctx.beginLayer({filter: ''}); ctx.endLayer(); 42 43 // These cases don't throw TypeError since they can be casted to a 44 // DOMString. 45 ctx.beginLayer({filter: 0}); ctx.endLayer(); 46 ctx.beginLayer({filter: 1}); ctx.endLayer(); 47 ctx.beginLayer({filter: true}); ctx.endLayer(); 48 ctx.beginLayer({filter: false}); ctx.endLayer(); 49 50 }, "Checks beginLayer works for different option parameter values"); 51 </script>