var vows = require(“vows”),
load = require("../load"), assert = require("../assert");
var suite = vows.describe(“d3.time.year”);
suite.addBatch({
"year": { topic: load("time/year").expression("d3.time.year"), "defaults to floor": function(interval) { assert.strictEqual(interval, interval.floor); }, "floor": { topic: function(interval) { return interval.floor; }, "returns years": function(floor) { assert.deepEqual(floor(local(2010, 11, 31, 23, 59, 59)), local(2010, 00, 01)); assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 00)), local(2011, 00, 01)); assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 01)), local(2011, 00, 01)); }, "correctly handles years in the first century": function(floor) { assert.deepEqual(floor(local(0011, 10, 06, 07)), local(0011, 00, 01)); } }, "ceil": { topic: function(interval) { return interval.ceil; }, "returns years": function(ceil) { assert.deepEqual(ceil(local(2010, 11, 31, 23, 59, 59)), local(2011, 00, 01)); assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 00)), local(2011, 00, 01)); assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 01)), local(2012, 00, 01)); } }, "offset": { topic: function(interval) { return interval.offset; }, "does not modify the passed-in date": function(offset) { var date = local(2010, 11, 31, 23, 59, 59, 999); offset(date, +1); assert.deepEqual(date, local(2010, 11, 31, 23, 59, 59, 999)); }, "does not round the passed-in-date": function(offset) { assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 999), +1), local(2011, 11, 31, 23, 59, 59, 999)); assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 456), -2), local(2008, 11, 31, 23, 59, 59, 456)); }, "allows negative offsets": function(offset) { assert.deepEqual(offset(local(2010, 11, 01), -1), local(2009, 11, 01)); assert.deepEqual(offset(local(2011, 00, 01), -2), local(2009, 00, 01)); assert.deepEqual(offset(local(2011, 00, 01), -1), local(2010, 00, 01)); }, "allows positive offsets": function(offset) { assert.deepEqual(offset(local(2009, 11, 01), +1), local(2010, 11, 01)); assert.deepEqual(offset(local(2009, 00, 01), +2), local(2011, 00, 01)); assert.deepEqual(offset(local(2010, 00, 01), +1), local(2011, 00, 01)); }, "allows zero offset": function(offset) { assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 999), 0), local(2010, 11, 31, 23, 59, 59, 999)); assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 58, 000), 0), local(2010, 11, 31, 23, 59, 58, 000)); } }, "UTC": { topic: function(interval) { return interval.utc; }, "defaults to floor": function(interval) { assert.strictEqual(interval, interval.floor); }, "floor": { topic: function(interval) { return interval.floor; }, "returns years": function(floor) { assert.deepEqual(floor(utc(2010, 11, 31, 23, 59, 59)), utc(2010, 00, 01)); assert.deepEqual(floor(utc(2011, 00, 01, 00, 00, 00)), utc(2011, 00, 01)); assert.deepEqual(floor(utc(2011, 00, 01, 00, 00, 01)), utc(2011, 00, 01)); } }, "ceil": { topic: function(interval) { return interval.ceil; }, "returns years": function(ceil) { assert.deepEqual(ceil(utc(2010, 11, 31, 23, 59, 59)), utc(2011, 00, 01)); assert.deepEqual(ceil(utc(2011, 00, 01, 00, 00, 00)), utc(2011, 00, 01)); assert.deepEqual(ceil(utc(2011, 00, 01, 00, 00, 01)), utc(2012, 00, 01)); } }, "offset": { topic: function(interval) { return interval.offset; }, "does not modify the passed-in date": function(offset) { var date = utc(2010, 11, 31, 23, 59, 59, 999); offset(date, +1); assert.deepEqual(date, utc(2010, 11, 31, 23, 59, 59, 999)); }, "does not round the passed-in-date": function(offset) { assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 999), +1), utc(2011, 11, 31, 23, 59, 59, 999)); assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 456), -2), utc(2008, 11, 31, 23, 59, 59, 456)); }, "allows negative offsets": function(offset) { assert.deepEqual(offset(utc(2010, 11, 01), -1), utc(2009, 11, 01)); assert.deepEqual(offset(utc(2011, 00, 01), -2), utc(2009, 00, 01)); assert.deepEqual(offset(utc(2011, 00, 01), -1), utc(2010, 00, 01)); }, "allows positive offsets": function(offset) { assert.deepEqual(offset(utc(2009, 11, 01), +1), utc(2010, 11, 01)); assert.deepEqual(offset(utc(2009, 00, 01), +2), utc(2011, 00, 01)); assert.deepEqual(offset(utc(2010, 00, 01), +1), utc(2011, 00, 01)); }, "allows zero offset": function(offset) { assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 999), 0), utc(2010, 11, 31, 23, 59, 59, 999)); assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 58, 000), 0), utc(2010, 11, 31, 23, 59, 58, 000)); } } } }
});
function local(year, month, day, hours, minutes, seconds, milliseconds) {
var date = new Date(); date.setFullYear(year, month, day); date.setHours(hours || 0, minutes || 0, seconds || 0, milliseconds || 0); return date;
}
function utc(year, month, day, hours, minutes, seconds, milliseconds) {
var date = new Date(); date.setUTCFullYear(year, month, day); date.setUTCHours(hours || 0, minutes || 0, seconds || 0, milliseconds || 0); return date;
}
suite.export(module);