tests.

date/util.go

@@ -310,8 +310,12 @@ func CalculateMarketSecondsBetween(start, end, marketOpen, marketClose time.Time
 	startMarketClose := NextMarketClose(startEastern, marketClose, isHoliday)
 
 	if (startEastern.Equal(startMarketOpen) || startEastern.After(startMarketOpen)) && startEastern.Before(startMarketClose) {
+		if endEastern.Before(startMarketClose) {
+			seconds += int64(endEastern.Sub(startEastern) / time.Second)
+		} else {
 			seconds += int64(startMarketClose.Sub(startEastern) / time.Second)
 		}
+	}
 
 	cursor := NextMarketOpen(startMarketClose, marketOpen, isHoliday)
 	for BeforeDate(cursor, endEastern) {

market_hours_range.go

@@ -106,6 +106,5 @@ func (mhr MarketHoursRange) Translate(value float64) int {
 	valueDelta := date.CalculateMarketSecondsBetween(mhr.Min, valueTime, mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
 
 	translated := int((float64(valueDelta) / float64(deltaSeconds)) * float64(mhr.Domain))
-	fmt.Printf("nyse translating: %s to %d ~= %d", valueTime.Format(time.RFC3339), deltaSeconds, valueDelta)
 	return translated
 }

market_hours_range_test.go

@@ -21,3 +21,40 @@ func TestMarketHoursRangeGetDelta(t *testing.T) {
 
 	assert.NotZero(r.GetDelta())
 }
+
+func TestMarketHoursRangeTranslate(t *testing.T) {
+	assert := assert.New(t)
+
+	r := &MarketHoursRange{
+		Min:             time.Date(2016, 07, 18, 9, 30, 0, 0, date.Eastern()),
+		Max:             time.Date(2016, 07, 22, 16, 00, 0, 0, date.Eastern()),
+		MarketOpen:      date.NYSEOpen,
+		MarketClose:     date.NYSEClose,
+		HolidayProvider: date.IsNYSEHoliday,
+		Domain:          1000,
+	}
+
+	weds := time.Date(2016, 07, 20, 9, 30, 0, 0, date.Eastern())
+
+	assert.Equal(0, r.Translate(TimeToFloat64(r.Min)))
+	assert.Equal(400, r.Translate(TimeToFloat64(weds)))
+	assert.Equal(1000, r.Translate(TimeToFloat64(r.Max)))
+}
+
+func TestMarketHoursRangeGetTicks(t *testing.T) {
+	assert := assert.New(t)
+
+	r := &MarketHoursRange{
+		Min:             time.Date(2016, 07, 18, 9, 30, 0, 0, date.Eastern()),
+		Max:             time.Date(2016, 07, 22, 16, 00, 0, 0, date.Eastern()),
+		MarketOpen:      date.NYSEOpen,
+		MarketClose:     date.NYSEClose,
+		HolidayProvider: date.IsNYSEHoliday,
+		Domain:          1000,
+	}
+
+	ticks := r.GetTicks(TimeValueFormatter)
+	assert.NotEmpty(ticks)
+	assert.Equal(TimeToFloat64(r.Min), ticks[0].Value)
+	assert.NotEmpty(ticks[0].Label)
+}