| <html> |
| <head> |
| <style> |
| .fail { color: red; font-weight: bold;} |
| .pass { color: green; font-weight: bold;} |
| </style> |
| <script type="text/javascript"> |
| failed = false; |
| |
| function debug(msg) { |
| var span = document.createElement("span"); |
| span.innerHTML = msg + '<br>'; |
| document.getElementById("console").appendChild(span); |
| } |
| |
| function pass(msg) { |
| debug('<span class="pass">PASS</span> ' + msg + '</span>'); |
| } |
| |
| function fail(msg) { |
| debug('<span class="fail">FAIL</span> ' + msg + '</span>'); |
| failed = true; |
| } |
| |
| function runTest() { |
| var canvas = document.getElementById("test"); |
| var context = canvas.getContext("2d"); |
| context.fillStyle = '#f00'; |
| context.fillRect(0, 0, canvas.width, canvas.height); |
| try { |
| context.fillRect(0, 0, 0, 0); |
| pass("called fillRect 0*0 fillRect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with 0*0 fillRect"); |
| } |
| try { |
| context.fillRect(0, 0, 0.0/1.0, 0.0/1.0); |
| pass("called fillRect with Infinity*Infinity fillRect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with Infinity*Infinity fillRect"); |
| } |
| try { |
| context.fillRect(0, 0, NaN, NaN); |
| pass("did not throw exception with NaN*NaN fillRect."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on NaN*NaN fillRect."); |
| } |
| try { |
| context.clearRect(0, 0, 0, 0); |
| pass("called clearRect 0*0 clearRect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with 0*0 clearRect."); |
| } |
| try { |
| context.clearRect(0, 0, 0.0/1.0, 0.0/1.0); |
| pass("called clearRect with Infinity*Infinity clearRect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with Infinity*Infinity clearRect."); |
| } |
| try { |
| context.clearRect(0, 0, NaN, NaN); |
| pass("did not throw exception with NaN*NaN clearRect."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on NaN*NaN clearRect."); |
| } |
| try { |
| context.rect(0, 0, 0, 0); |
| pass("called rect 0*0 rect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with 0*0 rect."); |
| } |
| try { |
| context.rect(0, 0, 0.0/1.0, 0.0/1.0); |
| pass("called rect with Infinity*Infinity rect without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " with Infinity*Infinity rect."); |
| } |
| try { |
| context.rect(0, 0, NaN, NaN); |
| pass("did not throw exception with NaN*NaN rect."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on NaN*NaN rect."); |
| } |
| try { |
| context.fill(); |
| pass("called fill with an empty path without throwing an exception."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on fill with no path."); |
| } |
| try { |
| context.arc(2, 2, 0, 0, 90, true); |
| pass("did not throw exception on arc with zero-length radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arc with zero-length radius"); |
| } |
| try { |
| context.arc(2, 2, -10, 0, 90, true); |
| fail("did not throw exception on arc with negative-length radius"); |
| } catch (e) { |
| pass("threw exception code " + e.code + " on arc with negative-length radius"); |
| } |
| try { |
| context.arc(2, 2, Infinity, 0, 90, true); |
| pass("did not throw exception on arc with infinite radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arc with infinite radius"); |
| } |
| try { |
| context.arc(2, 2, NaN, 0, 90, true); |
| pass("did not throw exception on arc with NaN-length radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arc with NaN-length radius"); |
| } |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.arcTo(2, 2, 4, 4, 0); |
| pass("did not throw exception on arcTo with zero-length radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arcTo with zero-length radius"); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.arcTo(2, 2, 4, 4, -10); |
| fail("did not throw exception on arcTo with negative-length radius"); |
| } catch (e) { |
| pass("threw exception code " + e.code + " on arcTo with negative-length radius"); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.arcTo(2, 2, 4, 4, Infinity); |
| pass("did not throw exception on arcTo with infinite radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arcTo with infinite radius"); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.arcTo(2, 2, 4, 4, NaN); |
| pass("did not throw exception on arcTo with NaN-length radius"); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on arcTo with NaN-length radius"); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(Infinity, Infinity); |
| pass("did not throw exception on lineTo(Infinity, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(Infinity, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(Infinity, 20); |
| pass("did not throw exception on lineTo(Infinity, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(Infinity, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(20, Infinity); |
| pass("did not throw exception on lineTo(20, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(20, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(NaN, NaN); |
| pass("did not throw exception on lineTo(NaN, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(NaN, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(20, NaN); |
| pass("did not throw exception on lineTo(20, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(20, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.lineTo(NaN, 20); |
| pass("did not throw exception on lineTo(NaN, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on lineTo(NaN, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, Infinity, Infinity); |
| pass("did not throw exception on quadraticCurveTo(20, 20, Infinity, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, Infinity, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(Infinity, Infinity, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(Infinity, Infinity, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(Infinity, Infinity, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(Infinity, 20, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(Infinity, 20, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(Infinity, 20, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, Infinity, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(20, Infinity, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, Infinity, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, Infinity, 20); |
| pass("did not throw exception on quadraticCurveTo(20, 20, Infinity, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, Infinity, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, 20, Infinity); |
| pass("did not throw exception on quadraticCurveTo(20, 20, 20, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, 20, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, NaN, NaN); |
| pass("did not throw exception on quadraticCurveTo(20, 20, NaN, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, NaN, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(NaN, NaN, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(NaN, NaN, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(NaN, NaN, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(NaN, 20, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(NaN, 20, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(NaN, 20, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, NaN, 20, 20); |
| pass("did not throw exception on quadraticCurveTo(20, NaN, 20, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, NaN, 20, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, NaN, 20); |
| pass("did not throw exception on quadraticCurveTo(20, 20, Nan, 20)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, NaN, 20)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.quadraticCurveTo(20, 20, 20, NaN); |
| pass("did not throw exception on quadraticCurveTo(20, 20, 20, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on quadraticCurveTo(20, 20, 20, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, Infinity, Infinity); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, Infinity, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, Infinity, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, 30, Infinity); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, 30, Infinity)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, 30, Infinity)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, Infinity, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, Infinity, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, Infinity, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, Infinity, Infinity, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, Infinity, Infinity, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, Infinity, Infinity, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, Infinity, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, Infinity, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, Infinity, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, Infinity, 30, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, Infinity, 30, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, Infinity, 30, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(Infinity, Infinity, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(Infinity, Infinity, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(Infinity, Infinity, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(30, Infinity, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(30, Infinity, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(30, Infinity, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(Infinity, 30, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(Infinity, 30, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(Infinity, 30, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, NaN, NaN); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, NaN, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, NaN, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, 0, NaN); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, 0, NaN)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, 0, NaN)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, 30, NaN, 0); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, 30, NaN, 0)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, 30, NaN, 0)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, NaN, NaN, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, NaN, NaN, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, NaN, NaN, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, 30, NaN, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, 30, NaN, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, 30, NaN, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, 20, NaN, 30, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, 20, NaN, 30, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, 20, NaN, 30, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(NaN, NaN, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(NaN, NaN, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(NaN, NaN, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(20, NaN, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(20, NaN, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(20, NaN, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| context.beginPath(); |
| try { |
| context.moveTo(10, 10); |
| context.bezierCurveTo(NaN, 20, 20, 20, 30, 30); |
| pass("did not throw exception on bezierCurveTo(NaN, 20, 20, 20, 30, 30)."); |
| } catch (e) { |
| fail("threw exception code " + e.code + " on bezierCurveTo(NaN, 20, 20, 20, 30, 30)."); |
| } |
| context.closePath(); |
| |
| var canvas2 = document.createElement('canvas'); |
| canvas2.width = 0; |
| canvas2.height = 0; |
| try { |
| var pattern = ctx.createPattern(canvas2, 'repeat'); |
| fail("did not throw exception on createPattern with 0x0 canvas.") |
| } catch (e) { |
| pass("threw exception code " + e.code + " on createPattern with 0x0 canvas.") |
| } |
| if (!failed) { |
| context.fillStyle = '#0f0'; |
| context.fillRect(0, 0, canvas.width, canvas.height); |
| } |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| } |
| </script> |
| <title>Canvas test of doom</title> |
| </head> |
| <body onload="runTest()"> |
| <canvas id="test" width="100" height="100"></canvas><br /> |
| <pre id="console"> |
| This tests the behaviour of a number of the DOM Canvas drawing methods when |
| given 0, Infinity, or NaN as parameters. |
| |
| </pre> |
| |
| </body> |
| </html> |
