Sha256: 227729371259e3c2f3696f989ea073f806b284a7897f15e7e5455f3db23d89b3
Contents?: true
Size: 1.33 KB
Versions: 24
Compression:
Stored size: 1.33 KB
Contents
// ==========================================================================
// Project: SproutCore - JavaScript Application Framework
// Copyright: ©2006-2011 Apple Inc. and contributors.
// License: Licensed under MIT license (see license.js)
// ==========================================================================
/*global module test equals context ok same */
var set, start, len ;
module("SC.IndexSet#rangeStartForIndex", {
setup: function() {
start = SC.IndexSet.HINT_SIZE*2 + 10 ;
len = Math.floor(SC.IndexSet.HINT_SIZE * 1.5);
set = SC.IndexSet.create().add(start, len);
}
});
test("index is start of range", function() {
equals(set.rangeStartForIndex(start), start, 'should return start');
equals(set.rangeStartForIndex(0), 0, 'should return first range');
});
test("index is middle of range", function() {
equals(set.rangeStartForIndex(start+20), start, 'should return start');
equals(set.rangeStartForIndex(start+SC.IndexSet.HINT_SIZE), start, 'should return start');
equals(set.rangeStartForIndex(20), 0, 'should return first range');
});
test("index last index", function() {
equals(set.rangeStartForIndex(start+len), start+len, 'should return end of range');
});
test("index past last index", function() {
equals(set.rangeStartForIndex(start+len+20), start+len, 'should return end of range');
});
Version data entries
24 entries across 24 versions & 1 rubygems