| <!doctype html> |
| <title>Float precision of VTTCue attributes line, position and size</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <script> |
| test(function() { |
| var cue = new VTTCue(0, 1, 'text'); |
| |
| // Assign a value which is exactly representable as double but not float. |
| var doubleValue = 1.000000000000004; |
| cue.line = doubleValue; |
| assert_equals(cue.line, doubleValue); |
| cue.position = doubleValue; |
| assert_equals(cue.position, doubleValue); |
| cue.size = doubleValue; |
| assert_equals(cue.size, doubleValue); |
| |
| // Assign a value which is exactly representable as float but is non-integral. |
| var floatValue = 1.5; |
| cue.line = floatValue; |
| assert_equals(cue.line, floatValue); |
| cue.position = floatValue; |
| assert_equals(cue.position, floatValue); |
| cue.size = floatValue; |
| assert_equals(cue.size, floatValue); |
| }, document.title+', stored as floats'); |
| </script> |
