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Add viewport.js to test.html so tests get run. Use built-in Point functions. Add a helper function to get a random number.

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This commit is contained in:
nein09 2014-10-09 16:58:45 -07:00
parent 119ff4226d
commit e8d4c00c5f
2 changed files with 19 additions and 14 deletions
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1
test/test.html
View File

@ -31,5 +31,6 @@
<script src="/test/layers.js"></script>
<script src="/test/overlays.js"></script>
<script src="/test/controls.js"></script>
<script src="/test/viewport.js"></script>
</body>
</html>

32
test/viewport.js
View File

@ -23,6 +23,10 @@
viewer = null;
}
});
// helper
var getRandom = function(min, max){
return min + Math.floor(Math.random() * (max - min + 1));
}
// ----------
/*
@ -47,14 +51,14 @@
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
var orig_x = Math.floor(Math.random() * 10000);
var orig_y = Math.floor(Math.random() * 10000);
var orig_x = getRandom(500, 10000);
var orig_y = getRandom(500, 10000);
var orig = new OpenSeadragon.Point(orig_x, orig_y);
// why does the math work this way?
var expected = new OpenSeadragon.Point((orig_x / 500) + 20, (orig_x / 500) + 20);
// 500 is the viewport container size; there's 20 px of padding (I think)
var expected = orig.divide(500).plus( new OpenSeadragon.Point(20, 20) );
var actual = viewport.windowToViewportCoordinates(orig);
equal(actual.x, expected.x, "x coordinate for " + orig_x);
equal(actual.y, expected.y, "y coordinate for " + orig_y);
ok(actual.equals(expected), "Coordinates converted correctly for " + orig);
start();
};
@ -67,14 +71,14 @@
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
var orig_x = Math.floor(Math.random() * 1000);
var orig_y = Math.floor(Math.random() * 1000);
var orig_x = getRandom(0, 1000);
var orig_y = getRandom(0, 1000);
var orig = new OpenSeadragon.Point(orig_x, orig_y);
// why does the math work this way?
var expected = new OpenSeadragon.Point((orig_x - 20) * 500, (orig_y -20) * 500);
// 500 is the viewport container size; there's 20 px of padding (I think)
var expected = orig.minus( new OpenSeadragon.Point(20, 20) ).times(500);
var actual = viewport.viewportToWindowCoordinates(orig);
equal(actual.x, expected.x, "x coordinate for " + orig_x);
equal(actual.y, expected.y, "y coordinate for " + orig_y);
ok(actual.equals(expected), "Coordinates converted correctly for " + orig);
start();
};
@ -87,7 +91,7 @@
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
var orig = Math.floor(Math.random() * 4);
var orig = getRandom(0, 4);
var expected = orig / 2; // because the container is 500 x 500
var actual = viewport.viewportToImageZoom(orig);
equal(expected, actual, "Expected " + expected + ", got " + actual);
@ -103,7 +107,7 @@
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
var orig = Math.floor(Math.random() * 4);
var orig = getRandom(0, 4);
var expected = orig * 2; // because the container is 500 x 500
var actual = viewport.imageToViewportZoom(orig);
equal(expected, actual, "Expected " + expected + ", got " + actual);