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more Grid tests, for delayed back buffer removal

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This commit is contained in:
Éric Lemoine
2012-01-04 21:01:46 +01:00
parent 39f2ddccee
commit 77f227ffed
1 changed files with 72 additions and 2 deletions
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tests/Layer/Grid.html
+72 -2
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@@ -949,7 +949,7 @@
} }
function test_applyBackBuffer(t) { function test_applyBackBuffer(t) {
t.plan(13); t.plan(16);
var map = new OpenLayers.Map('map2'); var map = new OpenLayers.Map('map2');
var layer = new OpenLayers.Layer.WMS('', '', {}, { var layer = new OpenLayers.Layer.WMS('', '', {}, {
@@ -1012,6 +1012,24 @@
t.eq(layer.backBuffer.style.top, '295%', t.eq(layer.backBuffer.style.top, '295%',
'back buffer has correct top'); 'back buffer has correct top');
// test #4
// and a back buffer in the layer and do as if back buffer removal
// has been scheduled, and test that applyBackBuffer removes the
// back buffer and clears the timer
layer.createBackBuffer = function() {
return;
};
backBuffer = document.createElement('div');
layer.div.insertBefore(backBuffer, layer.div.firstChild);
layer.backBuffer = backBuffer;
layer.backBufferTimerId = 'fake';
layer.applyBackBuffer(2);
t.ok(backBuffer.parentNode !== layer.div,
'back buffer is not child node of layer div');
t.eq(layer.backBuffer, null,
'back buffer not set in layer');
t.eq(layer.backBufferTimerId, null,
'back buffer timer cleared');
map.destroy(); map.destroy();
} }
@@ -1058,7 +1076,7 @@
} }
function test_removeBackBuffer(t) { function test_removeBackBuffer(t) {
t.plan(3); t.plan(4);
var map = new OpenLayers.Map('map'); var map = new OpenLayers.Map('map');
var layer = new OpenLayers.Layer.WMS('', '', {}, {isBaseLayer: true}); var layer = new OpenLayers.Layer.WMS('', '', {}, {isBaseLayer: true});
@@ -1070,12 +1088,17 @@
layer.div.appendChild(backBuffer); layer.div.appendChild(backBuffer);
layer.backBufferResolution = 32; layer.backBufferResolution = 32;
// add a fake back buffer removal timer
layer.backBufferTimerId = 'fake';
layer.removeBackBuffer(); layer.removeBackBuffer();
t.eq(layer.backBuffer, null, 'backBuffer set to null in layer'); t.eq(layer.backBuffer, null, 'backBuffer set to null in layer');
t.eq(layer.backBufferResolution, null, t.eq(layer.backBufferResolution, null,
'backBufferResolution set to null in layer'); 'backBufferResolution set to null in layer');
t.ok(backBuffer.parentNode !== layer.div, t.ok(backBuffer.parentNode !== layer.div,
'back buffer removed from layer'); 'back buffer removed from layer');
t.eq(layer.backBufferTimerId, null,
'backBufferTimerId set to null in layer');
map.destroy(); map.destroy();
} }
@@ -1215,6 +1238,53 @@
map.destroy(); map.destroy();
} }
function test_delayed_back_buffer_removal(t) {
//
// Test that the delaying of the back buffer removal behaves
// as expected.
//
t.plan(5);
// set up
var map = new OpenLayers.Map('map', {
resolutions: [32, 16, 8, 4, 2, 1]
});
var layer = new OpenLayers.Layer.WMS('', '', {}, {
isBaseLayer: true,
transitionEffect: 'resize'
});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(0, 0), 0);
map.zoomTo(1);
t.delay_call(1, function() {
t.ok(layer.backBuffer.parentNode === layer.div,
'[a] back buffer is a child of layer div');
t.ok(layer.backBufferTimerId !== null,
'[a] back buffer scheduled for removal');
var backBuffer = layer.backBuffer;
map.zoomTo(2);
t.ok(layer.backBuffer !== backBuffer,
'[b] a new back buffer was created');
t.ok(layer.backBuffer.parentNode === layer.div,
'[b] back buffer is a child of layer div');
t.ok(layer.backBufferTimerId === null,
'[b] back buffer no longer scheduled for removal');
// tear down
map.destroy();
});
}
</script> </script>
</head> </head>
<body> <body>