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No ticket: Improve line-height animation test stability

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Richard Gibson 2013-09-17 09:53:55 -04:00
parent ff156d77b2
commit d16fe84d80
1 changed files with 31 additions and 23 deletions
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54
test/unit/effects.js vendored
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@ -1450,7 +1450,8 @@ test("Do not append px to 'fill-opacity' #9548", 1, function() {
}); });
asyncTest("line-height animates correctly (#13855)", 12, function() { asyncTest("line-height animates correctly (#13855)", 12, function() {
var longDuration = 2000, var t0,
longDuration = 2000,
shortDuration = 500, shortDuration = 500,
animated = jQuery( animated = jQuery(
"<p style='line-height: 100;'>unitless</p>" + "<p style='line-height: 100;'>unitless</p>" +
@ -1461,26 +1462,14 @@ asyncTest("line-height animates correctly (#13855)", 12, function() {
initialHeight = jQuery.map( animated, function( el ) { initialHeight = jQuery.map( animated, function( el ) {
return jQuery( el ).height(); return jQuery( el ).height();
}), }),
tolerance = 1.5, tolerance = 1.5;
t0 = +(new Date());
animated.animate( { "line-height": "hide" }, longDuration ); // Delay start to improve test stability
setTimeout(function() { setTimeout(function() {
var progress = ( (new Date()) - t0 ) / longDuration;
animated.each(function( i ) {
var label = jQuery.text( this ),
initial = initialHeight[ i ],
height = jQuery( this ).height(),
lower = initial * ( 1 - progress ) / tolerance;
ok( height < initial, "hide " + label + ": upper bound; " +
height + " < " + initial + " @ " + ( progress * 100 ) + "%" );
ok( height > lower, "hide " + label + ": lower bound; " +
height + " > " + lower + " @ " + ( progress * 100 ) + "%" );
});
t0 = +(new Date()); t0 = +(new Date());
animated.stop( true, true ).hide().animate( { "line-height": "show" }, longDuration ); animated.animate( { "line-height": "hide" }, longDuration, "linear" );
setTimeout(function() { setTimeout(function() {
var progress = ( (new Date()) - t0 ) / longDuration; var progress = ( (new Date()) - t0 ) / longDuration;
@ -1488,15 +1477,34 @@ asyncTest("line-height animates correctly (#13855)", 12, function() {
var label = jQuery.text( this ), var label = jQuery.text( this ),
initial = initialHeight[ i ], initial = initialHeight[ i ],
height = jQuery( this ).height(), height = jQuery( this ).height(),
upper = initial * progress * tolerance; lower = initial * ( 1 - progress ) / tolerance;
ok( height < upper, "show " + label + ": upper bound; " + ok( height < initial, "hide " + label + ": upper bound; " +
height + " < " + upper + " @ " + ( progress * 100 ) + "%" ); height + " < " + initial + " @ " + ( progress * 100 ) + "%" );
ok( height > lower, "hide " + label + ": lower bound; " +
height + " > " + lower + " @ " + ( progress * 100 ) + "%" );
}); });
animated.stop( true, true ); t0 = +(new Date());
start(); animated.stop( true, true ).hide()
.animate( { "line-height": "show" }, longDuration, "linear" );
setTimeout(function() {
var progress = ( (new Date()) - t0 ) / longDuration;
animated.each(function( i ) {
var label = jQuery.text( this ),
initial = initialHeight[ i ],
height = jQuery( this ).height(),
upper = initial * progress * tolerance;
ok( height < upper, "show " + label + ": upper bound; " +
height + " < " + upper + " @ " + ( progress * 100 ) + "%" );
});
animated.stop( true, true );
start();
}, shortDuration );
}, shortDuration ); }, shortDuration );
}, shortDuration ); }, 50 );
}); });
// Start 1.8 Animation tests // Start 1.8 Animation tests