@Test
public void testMin() {
double arr[] = {-1.5, 0, 2.5, 100, -50.2};
TemperatureSeriesAnalysis temperatureSeriesAnalysis = new TemperatureSeriesAnalysis(arr);
double expected = -50.2;
double actual = temperatureSeriesAnalysis.min();
assertEquals(expected, actual, 0.0001);
}
@Test
public void testMinArrayWithDifferentElements() {
double[] temperatureSeries = {51.2036, -23, 12.23, 5.024, -44, 32.02, -44.0003, -20, 52, 1.235};
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = -44.0003;
double actualResult = seriesAnalysis.min();
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testMinArrayWithPositiveElements() {
double[] temperatureSeries = {51.2036, 23, 12.23, 5.024, 44};
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = 5.024;
double actualResult = seriesAnalysis.min();
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testMinArrayWithSigleElement() {
double[] temperatureSeries = {-51.2036};
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = -51.2036;
double actualResult = seriesAnalysis.min();
assertEquals(expResult, actualResult, epsilon);
}
@Test(expected = IllegalArgumentException.class)
public void testMin_FailOnEmptyList() {
double arr[] = {};
TemperatureSeriesAnalysis temperatureSeriesAnalysis = new TemperatureSeriesAnalysis(arr);
temperatureSeriesAnalysis.min();
}
@Test(expected = IllegalArgumentException.class)
public void testMinFailOnEmptyArray() {
double[] temperatureSeries = {};
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
seriesAnalysis.min();
}