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137 lines (132 loc) · 5.7 KB
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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);