d3/test/core/transition-test-transition.js

61 строка
1.5 KiB
JavaScript

require("../env");
var assert = require("assert");
module.exports = {
topic: function() {
return d3.select("body").append("div").transition()
.delay(101)
.duration(152)
.ease("bounce");
},
"starts immediately after the previous transition ends": function(t1) {
var t2 = t1.transition();
assert.equal(t2[0][0].__transition__[t2.id].delay, 253);
},
"inherits the previous transition's duration": function(t1) {
var t2 = t1.transition();
assert.equal(t2[0][0].__transition__[t2.id].duration, 152);
},
"inherits easing": function(t1) {
// TODO how to test this?
},
"gets a new transition id": function(t1) {
var t2 = t1.transition();
assert.isTrue(t2.id > t1.id);
},
"while transitioning": {
topic: function(t1) {
var t2 = t1.transition(),
cb = this.callback;
t2.each("start", function() {
d3.timer(function() {
cb(null, t2);
return true;
});
});
},
"increments the lock's reference count": function(t2) {
assert.isTrue(t2[0][0].__transition__.count > 1);
}
},
"after transitioning": {
topic: function(t1) {
var cb = this.callback;
var t2 = t1.transition();
t2.each("end", function() {
d3.timer(function() {
cb(null, t2);
return true;
}, 50);
});
},
"decrements the lock's reference count": function(t2) {
assert.isFalse("__transition__" in t2[0][0]);
}
}
};