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178 lines (175 loc) · 8.49 KB
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var vows = require("vows"),
load = require("../load"),
assert = require("../assert"),
time = require("./time"),
local = time.local,
utc = time.utc;
var suite = vows.describe("d3.time.day");
suite.addBatch({
"day": {
topic: load("time/day").expression("d3.time.day"),
"defaults to floor": function(interval) {
assert.strictEqual(interval, interval.floor);
},
"floor": {
topic: function(interval) {
return interval.floor;
},
"returns midnights": function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23)), local(2010, 11, 31));
assert.deepEqual(floor(local(2011, 00, 01, 00)), local(2011, 00, 01));
assert.deepEqual(floor(local(2011, 00, 01, 01)), local(2011, 00, 01));
},
"observes start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 02, 13, 07)), local(2011, 02, 12));
assert.deepEqual(floor(utc(2011, 02, 13, 08)), local(2011, 02, 13));
assert.deepEqual(floor(utc(2011, 02, 13, 09)), local(2011, 02, 13));
assert.deepEqual(floor(utc(2011, 02, 13, 10)), local(2011, 02, 13));
},
"observes end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 06, 07)), local(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 08)), local(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 09)), local(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 10)), local(2011, 10, 06));
},
"correctly handles years in the first century": function(floor) {
assert.deepEqual(floor(local(0011, 10, 06, 07)), local(0011, 10, 06));
}
},
"ceil": {
topic: function(interval) {
return interval.ceil;
},
"returns midnights": function(ceil) {
assert.deepEqual(ceil(local(2010, 11, 30, 23)), local(2010, 11, 31));
assert.deepEqual(ceil(local(2010, 11, 31, 00)), local(2010, 11, 31));
assert.deepEqual(ceil(local(2010, 11, 31, 01)), local(2011, 00, 01));
},
"observes start of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 02, 13, 07)), local(2011, 02, 13));
assert.deepEqual(ceil(utc(2011, 02, 13, 08)), local(2011, 02, 13));
assert.deepEqual(ceil(utc(2011, 02, 13, 09)), local(2011, 02, 14));
assert.deepEqual(ceil(utc(2011, 02, 13, 10)), local(2011, 02, 14));
},
"observes end of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 10, 06, 07)), local(2011, 10, 06));
assert.deepEqual(ceil(utc(2011, 10, 06, 08)), local(2011, 10, 07));
assert.deepEqual(ceil(utc(2011, 10, 06, 09)), local(2011, 10, 07));
assert.deepEqual(ceil(utc(2011, 10, 06, 10)), local(2011, 10, 07));
},
"handles midnight for leap years": function(ceil) {
assert.deepEqual(ceil(utc(2012, 02, 01, 00)), local(2012, 02, 01));
assert.deepEqual(ceil(utc(2012, 02, 01, 00)), local(2012, 02, 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, 00, 01, 23, 59, 59, 999));
assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 456), -2), local(2010, 11, 29, 23, 59, 59, 456));
},
"allows negative offsets": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31), -1), local(2010, 11, 30));
assert.deepEqual(offset(local(2011, 00, 01), -2), local(2010, 11, 30));
assert.deepEqual(offset(local(2011, 00, 01), -1), local(2010, 11, 31));
},
"allows positive offsets": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31), +1), local(2011, 00, 01));
assert.deepEqual(offset(local(2010, 11, 30), +2), local(2011, 00, 01));
assert.deepEqual(offset(local(2010, 11, 30), +1), local(2010, 11, 31));
},
"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 midnights": function(floor) {
assert.deepEqual(floor(utc(2010, 11, 31, 23)), utc(2010, 11, 31));
assert.deepEqual(floor(utc(2011, 00, 01, 00)), utc(2011, 00, 01));
assert.deepEqual(floor(utc(2011, 00, 01, 01)), utc(2011, 00, 01));
},
"does not observe the start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 02, 13, 07)), utc(2011, 02, 13));
assert.deepEqual(floor(utc(2011, 02, 13, 08)), utc(2011, 02, 13));
assert.deepEqual(floor(utc(2011, 02, 13, 09)), utc(2011, 02, 13));
assert.deepEqual(floor(utc(2011, 02, 13, 10)), utc(2011, 02, 13));
},
"does not observe the end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 06, 05)), utc(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 06)), utc(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 07)), utc(2011, 10, 06));
assert.deepEqual(floor(utc(2011, 10, 06, 08)), utc(2011, 10, 06));
}
},
"ceil": {
topic: function(interval) {
return interval.ceil;
},
"returns midnights": function(ceil) {
assert.deepEqual(ceil(utc(2010, 11, 30, 23)), utc(2010, 11, 31));
assert.deepEqual(ceil(utc(2010, 11, 31, 00)), utc(2010, 11, 31));
assert.deepEqual(ceil(utc(2010, 11, 31, 01)), utc(2011, 00, 01));
},
"does not observe the start of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 02, 13, 07)), utc(2011, 02, 14));
assert.deepEqual(ceil(utc(2011, 02, 13, 08)), utc(2011, 02, 14));
assert.deepEqual(ceil(utc(2011, 02, 13, 09)), utc(2011, 02, 14));
assert.deepEqual(ceil(utc(2011, 02, 13, 10)), utc(2011, 02, 14));
},
"does not observe the end of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 10, 06, 05)), utc(2011, 10, 07));
assert.deepEqual(ceil(utc(2011, 10, 06, 06)), utc(2011, 10, 07));
assert.deepEqual(ceil(utc(2011, 10, 06, 07)), utc(2011, 10, 07));
assert.deepEqual(ceil(utc(2011, 10, 06, 08)), utc(2011, 10, 07));
}
},
"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, 00, 01, 23, 59, 59, 999));
assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 456), -2), utc(2010, 11, 29, 23, 59, 59, 456));
},
"allows negative offsets": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31), -1), utc(2010, 11, 30));
assert.deepEqual(offset(utc(2011, 00, 01), -2), utc(2010, 11, 30));
assert.deepEqual(offset(utc(2011, 00, 01), -1), utc(2010, 11, 31));
},
"allows positive offsets": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31), +1), utc(2011, 00, 01));
assert.deepEqual(offset(utc(2010, 11, 30), +2), utc(2011, 00, 01));
assert.deepEqual(offset(utc(2010, 11, 30), +1), utc(2010, 11, 31));
},
"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));
}
}
}
}
});
suite.export(module);