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Copy pathmonths-test.js
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95 lines (92 loc) · 2.94 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.months");
suite.addBatch({
"months": {
topic: load("time/month").expression("d3.time.months"),
"returns months": function(range) {
assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1)), [
local(2010, 11, 1),
local(2011, 0, 1),
local(2011, 1, 1)
]);
},
"has an inclusive lower bound": function(range) {
assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1))[0], local(2010, 11, 1));
},
"has an exclusive upper bound": function(range) {
assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1))[2], local(2011, 1, 1));
},
"can skip months": function(range) {
assert.deepEqual(range(local(2011, 1, 1), local(2012, 1, 1), 3), [
local(2011, 3, 1),
local(2011, 6, 1),
local(2011, 9, 1),
local(2012, 0, 1)
]);
},
"observes start of daylight savings time": function(range) {
assert.deepEqual(range(local(2011, 0, 1), local(2011, 4, 1)), [
local(2011, 0, 1),
local(2011, 1, 1),
local(2011, 2, 1),
local(2011, 3, 1)
]);
},
"observes end of daylight savings time": function(range) {
assert.deepEqual(range(local(2011, 9, 1), local(2012, 1, 1)), [
local(2011, 9, 1),
local(2011, 10, 1),
local(2011, 11, 1),
local(2012, 0, 1)
]);
},
"UTC": {
topic: function(range) {
return range.utc;
},
"returns months": function(range) {
assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1)), [
utc(2010, 11, 1),
utc(2011, 0, 1),
utc(2011, 1, 1)
]);
},
"has an inclusive lower bound": function(range) {
assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1))[0], utc(2010, 11, 1));
},
"has an exclusive upper bound": function(range) {
assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1))[2], utc(2011, 1, 1));
},
"can skip months": function(range) {
assert.deepEqual(range(utc(2011, 1, 1), utc(2012, 1, 1), 3), [
utc(2011, 3, 1),
utc(2011, 6, 1),
utc(2011, 9, 1),
utc(2012, 0, 1)
]);
},
"does not observe the start of daylight savings time": function(range) {
assert.deepEqual(range(utc(2011, 0, 1), utc(2011, 4, 1)), [
utc(2011, 0, 1),
utc(2011, 1, 1),
utc(2011, 2, 1),
utc(2011, 3, 1)
]);
},
"does not observe the end of daylight savings time": function(range) {
assert.deepEqual(range(utc(2011, 9, 1), utc(2012, 1, 1)), [
utc(2011, 9, 1),
utc(2011, 10, 1),
utc(2011, 11, 1),
utc(2012, 0, 1)
]);
}
}
}
});
suite.export(module);