@Test(expected = IllegalArgumentException.class)
public void testFindTempsLessThenFailOnEmptyList() {
double[] temperatureSeries = {};
double tempValue = 5;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
seriesAnalysis.findTempsLessThen(tempValue);
}
@Test
public void testFindTempsLessThen() {
double arr[] = {3.0, 10.2, -20.4, -1.0, -5.3, 1.0, -5.1};
TemperatureSeriesAnalysis tsa = new TemperatureSeriesAnalysis(arr);
double[] expected = {-20.4, -5.3};
double[] result = tsa.findTempsLessThen(-5.1);
assertEquals(expected.length, result.length);
for (int i = 0; i < expected.length; i++) assertEquals(expected[i], result[i], 0.001);
}
@Test
public void testFindTempsLessThenArrayWithElementsGreaterThenTempValue() {
double[] temperatureSeries = {3.25, 5.03, 2.031, 23.01, 95.03, 4, 1.0421};
double tempValue = 1.0325;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double[] expResult = {};
double[] actualResult = seriesAnalysis.findTempsLessThen(tempValue);
assertArrayEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempsLessThenArrayWithSeveralElement() {
double[] temperatureSeries = {3.25, 5.03, 2.031, 23.01, -95.03, 4, 1.021};
double tempValue = 4;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double[] expResult = {3.25, 2.031, -95.03, 1.021};
double[] actualResult = seriesAnalysis.findTempsLessThen(tempValue);
assertArrayEquals(expResult, actualResult, epsilon);
}
@Test
public void testFindTempsLessThenArrayWithSingleElement() {
double[] temperatureSeries = {3.25};
double tempValue = 4;
TemperatureSeriesAnalysis seriesAnalysis = new TemperatureSeriesAnalysis(temperatureSeries);
double[] expResult = {3.25};
double[] actualResult = seriesAnalysis.findTempsLessThen(tempValue);
assertArrayEquals(expResult, actualResult, epsilon);
}
@Test(expected = IllegalArgumentException.class)
public void testFindTempsLessThen_onEmptyArray() {
double arr[] = {};
TemperatureSeriesAnalysis tsa = new TemperatureSeriesAnalysis(arr);
tsa.findTempsLessThen(-5.1);
}