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1 require("../env"); |
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2 require("../../d3"); |
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3 require("../../d3.time"); |
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4 |
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5 var vows = require("vows"), |
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6 assert = require("assert"); |
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7 |
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8 var suite = vows.describe("d3.time.day"); |
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9 |
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10 suite.addBatch({ |
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11 "day": { |
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12 topic: function() { |
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13 return d3.time.day; |
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14 }, |
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15 "returns midnights": function(floor) { |
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16 assert.deepEqual(floor(local(2010, 11, 31, 23)), local(2010, 11, 31)); |
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17 assert.deepEqual(floor(local(2011, 0, 1, 0)), local(2011, 0, 1)); |
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18 assert.deepEqual(floor(local(2011, 0, 1, 1)), local(2011, 0, 1)); |
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19 }, |
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20 "observes start of daylight savings time": function(floor) { |
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21 assert.deepEqual(floor(utc(2011, 2, 13, 7)), local(2011, 2, 12)); |
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22 assert.deepEqual(floor(utc(2011, 2, 13, 8)), local(2011, 2, 13)); |
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23 assert.deepEqual(floor(utc(2011, 2, 13, 9)), local(2011, 2, 13)); |
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24 assert.deepEqual(floor(utc(2011, 2, 13, 10)), local(2011, 2, 13)); |
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25 }, |
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26 "observes end of daylight savings time": function(floor) { |
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27 assert.deepEqual(floor(utc(2011, 10, 6, 7)), local(2011, 10, 6)); |
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28 assert.deepEqual(floor(utc(2011, 10, 6, 8)), local(2011, 10, 6)); |
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29 assert.deepEqual(floor(utc(2011, 10, 6, 9)), local(2011, 10, 6)); |
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30 assert.deepEqual(floor(utc(2011, 10, 6, 10)), local(2011, 10, 6)); |
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31 }, |
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32 "UTC": { |
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33 topic: function(floor) { |
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34 return floor.utc; |
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35 }, |
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36 "returns midnights": function(floor) { |
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37 assert.deepEqual(floor(utc(2010, 11, 31, 23)), utc(2010, 11, 31)); |
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38 assert.deepEqual(floor(utc(2011, 0, 1, 0)), utc(2011, 0, 1)); |
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39 assert.deepEqual(floor(utc(2011, 0, 1, 1)), utc(2011, 0, 1)); |
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40 }, |
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41 "does not observe the start of daylight savings time": function(floor) { |
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42 assert.deepEqual(floor(utc(2011, 2, 13, 7)), utc(2011, 2, 13)); |
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43 assert.deepEqual(floor(utc(2011, 2, 13, 8)), utc(2011, 2, 13)); |
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44 assert.deepEqual(floor(utc(2011, 2, 13, 9)), utc(2011, 2, 13)); |
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45 assert.deepEqual(floor(utc(2011, 2, 13, 10)), utc(2011, 2, 13)); |
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46 }, |
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47 "does not observe the end of daylight savings time": function(floor) { |
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48 assert.deepEqual(floor(utc(2011, 10, 6, 5)), utc(2011, 10, 6)); |
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49 assert.deepEqual(floor(utc(2011, 10, 6, 6)), utc(2011, 10, 6)); |
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50 assert.deepEqual(floor(utc(2011, 10, 6, 7)), utc(2011, 10, 6)); |
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51 assert.deepEqual(floor(utc(2011, 10, 6, 8)), utc(2011, 10, 6)); |
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52 } |
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53 } |
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54 } |
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55 }); |
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56 |
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57 function local(year, month, day, hours, minutes, seconds) { |
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58 return new Date(year, month, day, hours || 0, minutes || 0, seconds || 0); |
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59 } |
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60 |
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61 function utc(year, month, day, hours, minutes, seconds) { |
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62 return new Date(Date.UTC(year, month, day, hours || 0, minutes || 0, seconds || 0)); |
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63 } |
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64 |
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65 suite.export(module); |