can fill values now

sequence_test.go

@@ -43,3 +43,50 @@ func TestSequenceMarketQuarters(t *testing.T) {
 	assert.Equal(00, mh[2].Minute())
 	assert.Equal(Date.Eastern(), mh[2].Location())
 }
+
+func TestSequenceHours(t *testing.T) {
+	assert := assert.New(t)
+
+	today := time.Date(2016, 07, 01, 12, 0, 0, 0, time.UTC)
+	seq := Sequence.Hours(today, 24)
+
+	end := Date.End(seq)
+	assert.Len(seq, 24)
+	assert.Equal(2016, end.Year())
+	assert.Equal(07, int(end.Month()))
+	assert.Equal(02, end.Day())
+	assert.Equal(11, end.Hour())
+}
+
+func TestSequenceHoursFill(t *testing.T) {
+	assert := assert.New(t)
+
+	xdata := []time.Time{
+		time.Date(2016, 07, 01, 12, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 01, 13, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 01, 14, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 02, 4, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 02, 5, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 03, 12, 0, 0, 0, time.UTC),
+		time.Date(2016, 07, 03, 14, 0, 0, 0, time.UTC),
+	}
+
+	ydata := []float64{
+		1.1,
+		1.2,
+		1.4,
+		0.8,
+		2.1,
+		0.4,
+		0.6,
+	}
+
+	filledTimes, filledValues := Sequence.HoursFill(xdata, ydata)
+	assert.Len(filledTimes, Date.DiffHours(Date.Start(xdata), Date.End(xdata))+1)
+	assert.Equal(len(filledValues), len(filledTimes))
+
+	assert.NotZero(filledValues[0])
+	assert.NotZero(filledValues[len(filledValues)-1])
+
+	assert.NotZero(filledValues[16])
+}