torque/test/animator-steps-range.js
2015-11-24 18:34:46 +01:00

35 lines
1.0 KiB
JavaScript

var AnimatorStepsRange = require('../lib/torque/animator-steps-range');
QUnit.module('animator-steps-range');
test('start and end props are available', function(assert) {
var stepsRange = validStepsRange();
assert.equal(stepsRange.start, 0);
assert.equal(stepsRange.end, 4);
});
test('.lastStep returns true if given last step', function(assert) {
var stepsRange = validStepsRange();
assert.ok(stepsRange.isLast(stepsRange.end));
assert.notOk(stepsRange.isLast(3));
assert.notOk(stepsRange.isLast(42));
assert.notOk(stepsRange.isLast(true));
assert.notOk(stepsRange.isLast());
assert.notOk(stepsRange.isLast('whatever'));
});
test('.diff returns the steps between start and end', function(assert) {
var stepsRange = validStepsRange();
assert.equal(stepsRange.diff(), 4);
});
test('throws error in inconsistent range', function(assert) {
assert.throws(function() { new AnimatorStepsRange(4, 3) });
assert.throws(function() { new AnimatorStepsRange(4, 4) });
});
function validStepsRange() {
return new AnimatorStepsRange(0, 4);
}