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Add TiledImage._getCornerTiles unit tests

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This commit is contained in:
Antoine Vandecreme 2016-11-06 15:31:36 +01:00
parent b162f197ea
commit 4a1ae35631
1 changed files with 155 additions and 0 deletions
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155
test/modules/tiledimage.js
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@ -515,4 +515,159 @@
}]);
});
// PhantomJS is missing Function.prototype.bind
function bind(func, _this) {
return function() {
return func.apply(_this, arguments);
};
}
test('_getCornerTiles without wrapping', function() {
var tiledImageMock = {
wrapHorizontal: false,
wrapVertical: false,
source: new OpenSeadragon.TileSource({
width: 1500,
height: 1000,
tileWidth: 200,
tileHeight: 150,
tileOverlap: 1,
}),
};
var _getCornerTiles = bind(
OpenSeadragon.TiledImage.prototype._getCornerTiles,
tiledImageMock);
function assertCornerTiles(topLeftBound, bottomRightBound,
expectedTopLeft, expectedBottomRight) {
var cornerTiles = _getCornerTiles(11, topLeftBound, bottomRightBound);
ok(cornerTiles.topLeft.equals(expectedTopLeft),
'Top left tile should be ' + expectedTopLeft.toString() +
' found ' + cornerTiles.topLeft.toString());
ok(cornerTiles.bottomRight.equals(expectedBottomRight),
'Bottom right tile should be ' + expectedBottomRight.toString() +
' found ' + cornerTiles.bottomRight.toString());
}
assertCornerTiles(
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(1, 10 / 15),
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(7, 6)
)
// Floating point errors should be handled
assertCornerTiles(
new OpenSeadragon.Point(-1e-14, -1e-14),
new OpenSeadragon.Point(1 + 1e-14, 10 / 15 + 1e-14),
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(7, 6)
)
assertCornerTiles(
new OpenSeadragon.Point(0.3, 0.5),
new OpenSeadragon.Point(0.5, 0.6),
new OpenSeadragon.Point(2, 5),
new OpenSeadragon.Point(3, 6)
)
});
test('_getCornerTiles with horizontal wrapping', function() {
var tiledImageMock = {
wrapHorizontal: true,
wrapVertical: false,
source: new OpenSeadragon.TileSource({
width: 1500,
height: 1000,
tileWidth: 200,
tileHeight: 150,
tileOverlap: 1,
}),
};
var _getCornerTiles = bind(
OpenSeadragon.TiledImage.prototype._getCornerTiles,
tiledImageMock);
function assertCornerTiles(topLeftBound, bottomRightBound,
expectedTopLeft, expectedBottomRight) {
var cornerTiles = _getCornerTiles(11, topLeftBound, bottomRightBound);
ok(cornerTiles.topLeft.equals(expectedTopLeft),
'Top left tile should be ' + expectedTopLeft.toString() +
' found ' + cornerTiles.topLeft.toString());
ok(cornerTiles.bottomRight.equals(expectedBottomRight),
'Bottom right tile should be ' + expectedBottomRight.toString() +
' found ' + cornerTiles.bottomRight.toString());
}
assertCornerTiles(
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(1, 10 / 15),
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(8, 6)
)
assertCornerTiles(
new OpenSeadragon.Point(-1, 0),
new OpenSeadragon.Point(0.5, 10 / 15 + 1e-14),
new OpenSeadragon.Point(-8, 0),
new OpenSeadragon.Point(3, 6)
)
assertCornerTiles(
new OpenSeadragon.Point(1.3, 0.5),
new OpenSeadragon.Point(1.5, 0.6),
new OpenSeadragon.Point(10, 5),
new OpenSeadragon.Point(11, 6)
)
});
test('_getCornerTiles with vertical wrapping', function() {
var tiledImageMock = {
wrapHorizontal: false,
wrapVertical: true,
source: new OpenSeadragon.TileSource({
width: 1500,
height: 1000,
tileWidth: 200,
tileHeight: 150,
tileOverlap: 1,
}),
};
var _getCornerTiles = bind(
OpenSeadragon.TiledImage.prototype._getCornerTiles,
tiledImageMock);
function assertCornerTiles(topLeftBound, bottomRightBound,
expectedTopLeft, expectedBottomRight) {
var cornerTiles = _getCornerTiles(11, topLeftBound, bottomRightBound);
ok(cornerTiles.topLeft.equals(expectedTopLeft),
'Top left tile should be ' + expectedTopLeft.toString() +
' found ' + cornerTiles.topLeft.toString());
ok(cornerTiles.bottomRight.equals(expectedBottomRight),
'Bottom right tile should be ' + expectedBottomRight.toString() +
' found ' + cornerTiles.bottomRight.toString());
}
assertCornerTiles(
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(1, 10 / 15),
new OpenSeadragon.Point(0, 0),
new OpenSeadragon.Point(7, 7)
)
assertCornerTiles(
new OpenSeadragon.Point(0, -10 / 15 / 2),
new OpenSeadragon.Point(0.5, 0.5),
new OpenSeadragon.Point(0, -4),
new OpenSeadragon.Point(3, 5)
)
assertCornerTiles(
new OpenSeadragon.Point(0, 10 / 15 + 0.1),
new OpenSeadragon.Point(0.3, 10 / 15 + 0.3),
new OpenSeadragon.Point(0, 7),
new OpenSeadragon.Point(2, 9)
)
});
})();