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103 lines (96 loc) · 4.43 KB
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require("../env");
require("../../d3");
require("../../d3.time");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.time.hour");
suite.addBatch({
"hour": {
topic: function() {
return d3.time.hour;
},
"returns hours": function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59)), local(2010, 11, 31, 23));
assert.deepEqual(floor(local(2011, 0, 1, 0, 0)), local(2011, 0, 1, 0));
assert.deepEqual(floor(local(2011, 0, 1, 0, 1)), local(2011, 0, 1, 0));
},
"observes start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 2, 13, 8, 59)), utc(2011, 2, 13, 8));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 0)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 1)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 59)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 10, 0)), utc(2011, 2, 13, 10));
assert.deepEqual(floor(utc(2011, 2, 13, 10, 1)), utc(2011, 2, 13, 10));
},
"observes end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 6, 7, 59)), utc(2011, 10, 6, 7));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 0)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 1)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 59)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 9, 0)), utc(2011, 10, 6, 9));
assert.deepEqual(floor(utc(2011, 10, 6, 9, 1)), utc(2011, 10, 6, 9));
},
"NPT": {
"observes 15-minute offset": tz("Asia/Kathmandu", function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 17, 15));
assert.deepEqual(floor(local(2011, 0, 1, 0, 0, 0)), utc(2010, 11, 31, 18, 15));
assert.deepEqual(floor(local(2011, 0, 1, 0, 0, 1)), utc(2010, 11, 31, 18, 15));
})
},
"IST": {
"observes 30-minute offset": tz("Asia/Calcutta", function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 17, 30));
assert.deepEqual(floor(local(2011, 0, 1, 0, 0, 0)), utc(2010, 11, 31, 18, 30));
assert.deepEqual(floor(local(2011, 0, 1, 0, 0, 1)), utc(2010, 11, 31, 18, 30));
})
},
"UTC": {
topic: function(floor) {
return floor.utc;
},
"returns hours": function(floor) {
assert.deepEqual(floor(utc(2010, 11, 31, 23, 59)), utc(2010, 11, 31, 23));
assert.deepEqual(floor(utc(2011, 0, 1, 0, 0)), utc(2011, 0, 1, 0));
assert.deepEqual(floor(utc(2011, 0, 1, 0, 1)), utc(2011, 0, 1, 0));
},
"does not observe the start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 2, 13, 8, 59)), utc(2011, 2, 13, 8));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 0)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 1)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 9, 59)), utc(2011, 2, 13, 9));
assert.deepEqual(floor(utc(2011, 2, 13, 10, 0)), utc(2011, 2, 13, 10));
assert.deepEqual(floor(utc(2011, 2, 13, 10, 1)), utc(2011, 2, 13, 10));
},
"does not observe the end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 6, 7, 59)), utc(2011, 10, 6, 7));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 0)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 1)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 8, 59)), utc(2011, 10, 6, 8));
assert.deepEqual(floor(utc(2011, 10, 6, 9, 0)), utc(2011, 10, 6, 9));
assert.deepEqual(floor(utc(2011, 10, 6, 9, 1)), utc(2011, 10, 6, 9));
}
}
}
});
function local(year, month, day, hours, minutes, seconds) {
return new Date(year, month, day, hours || 0, minutes || 0, seconds || 0);
}
function utc(year, month, day, hours, minutes, seconds) {
return new Date(Date.UTC(year, month, day, hours || 0, minutes || 0, seconds || 0));
}
function tz(tz, scope) {
return function() {
var o = process.env.TZ;
try {
process.env.TZ = tz;
new Date(0).toString(); // invalidate node's dst cache
new Date().toString();
scope.apply(this, arguments);
} finally {
process.env.TZ = o;
new Date(0).toString(); // invalidate node's dst cache
new Date().toString();
}
};
}
suite.export(module);