require("../env");

require("../../d3");

require("../../d3.time");

var vows = require("vows"),

    assert = require("assert");

var suite = vows.describe("d3.time.seconds");

suite.addBatch({

  "seconds": {

    topic: function() {

      return d3.time.seconds;

    },

    "returns seconds": function(range) {

      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2)), [

        local(2010, 11, 31, 23, 59, 59),

        local(2011, 0, 1, 0, 0, 0),

        local(2011, 0, 1, 0, 0, 1)

      ]);

    },

    "has an inclusive lower bound": function(range) {

      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2))[0], local(2010, 11, 31, 23, 59, 59));

    },

    "has an exclusive upper bound": function(range) {

      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2))[2], local(2011, 0, 1, 0, 0, 1));

    },

    "can skip seconds": function(range) {

      assert.deepEqual(range(local(2011, 1, 1, 12, 0, 7), local(2011, 1, 1, 12, 1, 7), 15), [

        local(2011, 1, 1, 12, 0, 15),

        local(2011, 1, 1, 12, 0, 30),

        local(2011, 1, 1, 12, 0, 45),

        local(2011, 1, 1, 12, 1, 0)

      ]);

    },

    "observes start of daylight savings time": function(range) {

      assert.deepEqual(range(utc(2011, 2, 13, 9, 59, 59), utc(2011, 2, 13, 10, 0, 2)), [

        utc(2011, 2, 13, 9, 59, 59),

        utc(2011, 2, 13, 10, 0, 0),

        utc(2011, 2, 13, 10, 0, 1)

      ]);

    },

    "observes end of daylight savings time": function(range) {

      assert.deepEqual(range(utc(2011, 10, 6, 8, 59, 59), utc(2011, 10, 6, 9, 0, 2)), [

        utc(2011, 10, 6, 8, 59, 59),

        utc(2011, 10, 6, 9, 0, 0),

        utc(2011, 10, 6, 9, 0, 1)

      ]);

    },

    "UTC": {

      topic: function(range) {

        return range.utc;

      },

      "returns seconds": function(range) {

        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2)), [

          utc(2010, 11, 31, 23, 59, 59),

          utc(2011, 0, 1, 0, 0, 0),

          utc(2011, 0, 1, 0, 0, 1)

        ]);

      },

      "has an inclusive lower bound": function(range) {

        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2))[0], utc(2010, 11, 31, 23, 59, 59));

      },

      "has an exclusive upper bound": function(range) {

        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2))[2], utc(2011, 0, 1, 0, 0, 1));

      },

      "can skip seconds": function(range) {

        assert.deepEqual(range(utc(2011, 1, 1, 12, 0, 7), utc(2011, 1, 1, 12, 1, 7), 15), [

          utc(2011, 1, 1, 12, 0, 15),

          utc(2011, 1, 1, 12, 0, 30),

          utc(2011, 1, 1, 12, 0, 45),

          utc(2011, 1, 1, 12, 1, 0)

        ]);

      },

      "does not observe the start of daylight savings time": function(range) {

        assert.deepEqual(range(utc(2011, 2, 13, 9, 59, 59), utc(2011, 2, 13, 10, 0, 2)), [

          utc(2011, 2, 13, 9, 59, 59),

          utc(2011, 2, 13, 10, 0, 0),

          utc(2011, 2, 13, 10, 0, 1)

        ]);

      },

      "does not observe the end of daylight savings time": function(range) {

        assert.deepEqual(range(utc(2011, 10, 6, 8, 59, 59), utc(2011, 10, 6, 9, 0, 2)), [

          utc(2011, 10, 6, 8, 59, 59),

          utc(2011, 10, 6, 9, 0, 0),

          utc(2011, 10, 6, 9, 0, 1)

        ]);

      }

    }

  }

});

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));

}

suite.export(module);