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Add tests for Convolution (#5766)

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Hardik Pawar
2024-10-14 14:25:15 +05:30
committed by GitHub
parent 85b3b1dfbe
commit 9c76b30271
2 changed files with 40 additions and 0 deletions
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src/test/java/com/thealgorithms/maths/ConvolutionTest.java Normal file
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package com.thealgorithms.maths;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import java.util.stream.Stream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
public class ConvolutionTest {
record ConvolutionTestCase(String description, double[] signalA, double[] signalB, double[] expected) {
}
@ParameterizedTest(name = "{0}")
@MethodSource("provideTestCases")
void testConvolution(ConvolutionTestCase testCase) {
double[] result = Convolution.convolution(testCase.signalA, testCase.signalB);
assertArrayEquals(testCase.expected, result, 1e-9, testCase.description);
}
private static Stream<ConvolutionTestCase> provideTestCases() {
return Stream.of(new ConvolutionTestCase("Basic convolution", new double[] {1, 2, 3}, new double[] {4, 5, 6}, new double[] {4, 13, 28, 27, 18}), new ConvolutionTestCase("Convolution with zero elements", new double[] {0, 0, 0}, new double[] {1, 2, 3}, new double[] {0, 0, 0, 0, 0}),
new ConvolutionTestCase("Convolution with single element", new double[] {2}, new double[] {3}, new double[] {6}), new ConvolutionTestCase("Convolution with different sizes", new double[] {1, 2}, new double[] {3, 4, 5}, new double[] {3, 10, 13, 10}),
new ConvolutionTestCase("Convolution with negative values", new double[] {1, -2, 3}, new double[] {-1, 2, -3}, new double[] {-1, 4, -10, 12, -9}),
new ConvolutionTestCase("Convolution with large numbers", new double[] {1e6, 2e6}, new double[] {3e6, 4e6}, new double[] {3e12, 1e13, 8e12}));
}
}