@Test(expected = IllegalArgumentException.class)
public void testFindTempClosestToValueFailOnEmptyList() {
double[] temperatureSeries = {};
double tempValue = 5;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
seriesAnalysis.findTempClosestToValue(tempValue);
}
@Test
public void testFindTempClosestToValue() {
double arr[] = {3.0, 10.2, -20.4, -1.0, -5.3, 1.0, -5.1};
TemperatureSeriesAnalysis tsa = new TemperatureSeriesAnalysis(arr);
double expected = -5.1;
double result = tsa.findTempClosestToValue(-5.2);
assertEquals(expected, result, 0.001);
}
@Test
public void testFindTempClosestToValueArrayWithSeveralEqualSubElementsGreaterElementFirst() {
double[] temperatureSeries = {-5.03, 11.11, 5.4, 6.034, -5.03, 52.23, -2.034, -5.93};
double tempValue = -5.48;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = -5.03;
double actualResult = seriesAnalysis.findTempClosestToValue(tempValue);
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempClosestToValueArrayWithSeveralEqualSubElementsLessElementFirst() {
double[] temperatureSeries = {-5.11, -2.035, -5.11, 6.034, 2.03, 5.23, -3.11};
double tempValue = -4.11;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = -3.11;
double actualResult = seriesAnalysis.findTempClosestToValue(tempValue);
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempClosestToValueArrayWithDiffeentElements() {
double[] temperatureSeries = {3.25, -5.03, 6.034, 2.03, 5.23, 1.032, -0.24, -5.032};
double tempValue = 7.11;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = 6.034;
double actualResult = seriesAnalysis.findTempClosestToValue(tempValue);
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempClosestToValueArrayWithElementsGreaterThenTempValue() {
double[] temperatureSeries = {3.25, 5.03, 6, 2.03, 5.23};
double tempValue = 1.032;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = 2.03;
double actualResult = seriesAnalysis.findTempClosestToValue(tempValue);
assertEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempClosestToValueArrayWithSingleElement() {
double[] temperatureSeries = {3.25};
double tempValue = 4;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double expResult = 3.25;
double actualResult = seriesAnalysis.findTempClosestToValue(tempValue);
assertEquals(expResult, actualResult, epsilon);
}
@Test(expected = IllegalArgumentException.class)
public void testFindTempClosestToValue_onEmptyArray() {
double arr[] = {};
TemperatureSeriesAnalysis tsa = new TemperatureSeriesAnalysis(arr);
tsa.findTempClosestToValue(-5.2);
}
