| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| |
| <script src=../../media-file.js></script> |
| <script src=../../video-test.js></script> |
| <script> |
| var region; |
| var invalidPercentageValues; |
| |
| function startTest() |
| { |
| if (!window.VTTRegion) { |
| failTest(); |
| return; |
| } |
| |
| region = new VTTRegion(); |
| consoleWrite("** Test instanceof VTTRegion. **"); |
| testExpected("region instanceof VTTRegion", true); |
| |
| consoleWrite("** Test the default indexs of a region. **"); |
| testExpected("region.track", null); |
| testExpected("region.scroll", ""); |
| testExpected("region.viewportAnchorX", 0); |
| testExpected("region.viewportAnchorY", 100); |
| testExpected("region.regionAnchorX", 0); |
| testExpected("region.regionAnchorY", 100); |
| testExpected("region.lines", 3); |
| testExpected("region.width", 100); |
| |
| consoleWrite("<br>** Test that incorrect mutation keeps previous valid values. **"); |
| run("region.scroll = 'invalid-scroll-value'"); |
| testExpected("region.scroll", ""); |
| |
| invalidPercentageValues = [-1, 101, -Infinity, Infinity, NaN]; |
| for (index in invalidPercentageValues) { |
| consoleWrite("<br>Invalid percentage value: " + invalidPercentageValues[index]); |
| run("region.viewportAnchorX = invalidPercentageValues[index]"); |
| testExpected("region.viewportAnchorX", 0); |
| run("region.viewportAnchorY = invalidPercentageValues[index]"); |
| testExpected("region.viewportAnchorY", 100); |
| run("region.regionAnchorX = invalidPercentageValues[index]"); |
| testExpected("region.regionAnchorX", 0); |
| run("region.regionAnchorY = invalidPercentageValues[index]"); |
| testExpected("region.regionAnchorY", 100); |
| run("region.width = invalidPercentageValues[index]"); |
| testExpected("region.width", 100); |
| } |
| |
| run("region.lines = -1"); |
| testExpected("region.lines", 3); |
| |
| consoleWrite("<br>** Test that proper mutation keeps assigned value. **"); |
| run("region.lines = 130"); |
| testExpected("region.lines", 130); |
| |
| run("region.viewportAnchorX = 64"); |
| testExpected("region.viewportAnchorX", 64); |
| run("region.viewportAnchorY = 32"); |
| testExpected("region.viewportAnchorY", 32); |
| run("region.regionAnchorX = 16"); |
| testExpected("region.regionAnchorX", 16); |
| run("region.regionAnchorY = 8"); |
| testExpected("region.regionAnchorY", 8); |
| |
| run("region.width = 42"); |
| testExpected("region.width", 42); |
| |
| endTest(); |
| } |
| |
| </script> |
| </head> |
| <body onload="startTest()"> |
| <p>Tests the constructor and mutation of VTTRegion.</p> |
| </body> |
| </html> |
