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JUnit5 assertThrows NeighbourhoodSizeFunctionFactoryTest #218

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Merged
aherbert merged 1 commit into from
Oct 20, 2022
Merged

JUnit5 assertThrows NeighbourhoodSizeFunctionFactoryTest #218

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44 changes: 30 additions & 14 deletions ...st/java/org/apache/commons/math4/neuralnet/sofm/NeighbourhoodSizeFunctionFactoryTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,25 +20,35 @@
import org.junit.Test;
import org.junit.Assert;

import static org.junit.jupiter.api.Assertions.assertThrows;

/**
* Tests for {@link NeighbourhoodSizeFunctionFactory} class.
*/
public class NeighbourhoodSizeFunctionFactoryTest {
@Test(expected = IllegalArgumentException.class)

@Test
public void testExponentialDecayPrecondition1() {
NeighbourhoodSizeFunctionFactory.exponentialDecay(0, 0, 2);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.exponentialDecay(0, 0, 2));
}
@Test(expected = IllegalArgumentException.class)

@Test
public void testExponentialDecayPrecondition2() {
NeighbourhoodSizeFunctionFactory.exponentialDecay(1, 0, 2);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.exponentialDecay(1, 0, 2));
}
@Test(expected = IllegalArgumentException.class)

@Test
public void testExponentialDecayPrecondition3() {
NeighbourhoodSizeFunctionFactory.exponentialDecay(1, 1, 100);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.exponentialDecay(1, 1, 100));
}
@Test(expected = IllegalArgumentException.class)

@Test
public void testExponentialDecayPrecondition4() {
NeighbourhoodSizeFunctionFactory.exponentialDecay(2, 1, 0);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.exponentialDecay(2, 1, 0));
}

@Test
Expand All @@ -54,17 +64,22 @@ public void testExponentialDecayTrivial() {
Assert.assertEquals(0, f.value(Long.MAX_VALUE));
}

@Test(expected = IllegalArgumentException.class)
@Test
public void testQuasiSigmoidDecayPrecondition1() {
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(0d, -1d, 2);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(0d, -1d, 2));
}
@Test(expected = IllegalArgumentException.class)

@Test
public void testQuasiSigmoidDecayPrecondition3() {
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(1d, 0d, 100);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(1d, 0d, 100));
}
@Test(expected = IllegalArgumentException.class)

@Test
public void testQuasiSigmoidDecayPrecondition4() {
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(1d, -1d, 0);
assertThrows(IllegalArgumentException.class, () ->
NeighbourhoodSizeFunctionFactory.quasiSigmoidDecay(1d, -1d, 0));
}

@Test
Expand All @@ -78,4 +93,5 @@ public void testQuasiSigmoidDecayTrivial() {
Assert.assertEquals(init, f.value(0), 0d);
Assert.assertEquals(0, f.value(Long.MAX_VALUE), 0d);
}

}