96 строки
2.9 KiB
JavaScript
96 строки
2.9 KiB
JavaScript
var vows = require("vows"),
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load = require("../load"),
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assert = require("../assert"),
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time = require("./time"),
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local = time.local,
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utc = time.utc;
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var suite = vows.describe("d3.time.months");
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suite.addBatch({
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"months": {
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topic: load("time/month").expression("d3.time.months"),
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"returns months": function(range) {
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assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1)), [
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local(2010, 11, 1),
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local(2011, 0, 1),
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local(2011, 1, 1)
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]);
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},
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"has an inclusive lower bound": function(range) {
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assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1))[0], local(2010, 11, 1));
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},
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"has an exclusive upper bound": function(range) {
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assert.deepEqual(range(local(2010, 10, 31), local(2011, 2, 1))[2], local(2011, 1, 1));
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},
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"can skip months": function(range) {
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assert.deepEqual(range(local(2011, 1, 1), local(2012, 1, 1), 3), [
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local(2011, 3, 1),
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local(2011, 6, 1),
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local(2011, 9, 1),
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local(2012, 0, 1)
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]);
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},
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"observes start of daylight savings time": function(range) {
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assert.deepEqual(range(local(2011, 0, 1), local(2011, 4, 1)), [
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local(2011, 0, 1),
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local(2011, 1, 1),
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local(2011, 2, 1),
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local(2011, 3, 1)
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]);
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},
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"observes end of daylight savings time": function(range) {
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assert.deepEqual(range(local(2011, 9, 1), local(2012, 1, 1)), [
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local(2011, 9, 1),
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local(2011, 10, 1),
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local(2011, 11, 1),
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local(2012, 0, 1)
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]);
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},
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"UTC": {
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topic: function(range) {
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return range.utc;
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},
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"returns months": function(range) {
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assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1)), [
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utc(2010, 11, 1),
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utc(2011, 0, 1),
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utc(2011, 1, 1)
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]);
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},
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"has an inclusive lower bound": function(range) {
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assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1))[0], utc(2010, 11, 1));
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},
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"has an exclusive upper bound": function(range) {
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assert.deepEqual(range(utc(2010, 10, 31), utc(2011, 2, 1))[2], utc(2011, 1, 1));
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},
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"can skip months": function(range) {
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assert.deepEqual(range(utc(2011, 1, 1), utc(2012, 1, 1), 3), [
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utc(2011, 3, 1),
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utc(2011, 6, 1),
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utc(2011, 9, 1),
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utc(2012, 0, 1)
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]);
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},
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"does not observe the start of daylight savings time": function(range) {
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assert.deepEqual(range(utc(2011, 0, 1), utc(2011, 4, 1)), [
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utc(2011, 0, 1),
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utc(2011, 1, 1),
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utc(2011, 2, 1),
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utc(2011, 3, 1)
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]);
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},
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"does not observe the end of daylight savings time": function(range) {
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assert.deepEqual(range(utc(2011, 9, 1), utc(2012, 1, 1)), [
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utc(2011, 9, 1),
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utc(2011, 10, 1),
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utc(2011, 11, 1),
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utc(2012, 0, 1)
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]);
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}
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}
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}
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});
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suite.export(module);
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