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1 <html xmlns="http://www.w3.org/1999/xhtml"> |
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2 <head> |
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3 <title>Test for setCurrentTime Behavior </title> |
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4 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
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5 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
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6 </head> |
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7 <body> |
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8 <p id="display"></p> |
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9 <div id="content" style="display: none"> |
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10 <svg id="svg" xmlns="http://www.w3.org/2000/svg" |
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11 onload="this.pauseAnimations()" /> |
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12 </div> |
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13 <pre id="test"> |
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14 <script class="testbody" type="text/javascript"> |
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15 <![CDATA[ |
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16 /** Test for basic setCurrentTime / getCurrentTime Behavior **/ |
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17 |
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18 /* Global Variables & Constants */ |
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19 const PRECISION_LEVEL = 0.0000001; // Allow small level of floating-point error |
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20 const gTimes = [0, 1.5, 0.2, 0.99, -400.5, 10000000, -1]; |
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21 const gWaitTime = 20; |
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22 var gSvg = document.getElementById("svg"); |
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23 |
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24 SimpleTest.waitForExplicitFinish(); |
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25 |
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26 function main() { |
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27 ok(gSvg.animationsPaused(), "should be paused by <svg> load handler"); |
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28 is(gSvg.getCurrentTime(), 0, "should be paused at 0 in <svg> load handler"); |
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29 |
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30 // Test that seeking takes effect immediately |
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31 for (var i = 0; i < gTimes.length; i++) { |
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32 gSvg.setCurrentTime(gTimes[i]); |
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33 // We adopt the SVGT1.2 behavior of clamping negative times to 0 |
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34 assertFloatsEqual(gSvg.getCurrentTime(), Math.max(gTimes[i], 0.0)); |
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35 } |
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36 |
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37 // Test that seeking isn't messed up by timeouts |
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38 // (using tail recursion to set up the chain of timeout function calls) |
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39 var func = function() { |
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40 checkTimesAfterIndex(0); |
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41 } |
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42 setTimeout(func, gWaitTime); |
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43 } |
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44 |
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45 /* This method seeks to the time at gTimes[index], |
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46 * and then sets up a timeout to... |
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47 * - verify that the seek worked |
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48 * - make a recursive call for the next index. |
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49 */ |
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50 function checkTimesAfterIndex(index) { |
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51 if (index == gTimes.length) { |
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52 // base case -- we're done! |
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53 SimpleTest.finish(); |
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54 return; |
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55 } |
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56 |
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57 gSvg.setCurrentTime(gTimes[index]); |
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58 var func = function() { |
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59 assertFloatsEqual(gSvg.getCurrentTime(), Math.max(gTimes[index], 0.0)); |
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60 checkTimesAfterIndex(index + 1); |
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61 } |
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62 setTimeout(func, gWaitTime); |
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63 } |
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64 |
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65 function assertFloatsEqual(aVal, aExpected) { |
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66 ok(Math.abs(aVal - aExpected) <= PRECISION_LEVEL, |
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67 "getCurrentTime returned " + aVal + " after seeking to " + aExpected) |
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68 } |
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69 |
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70 window.addEventListener("load", main, false); |
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71 ]]> |
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72 </script> |
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73 </pre> |
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74 </body> |
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75 </html> |