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Add FindMaxRecursionTest (#4431)

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* Update FindMaxRecursion.java

* Create FindMaxRecusionTest.java

* Update and rename FindMaxRecusionTest.java to FindMaxRecursionTest.java

* Update FindMaxRecursion.java

* Update FindMaxRecursion.java

* Update src/test/java/com/thealgorithms/maths/FindMaxRecursionTest.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update src/test/java/com/thealgorithms/maths/FindMaxRecursionTest.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update src/main/java/com/thealgorithms/maths/FindMaxRecursion.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update FindMaxRecursion.java

* Update FindMaxRecursionTest.java

* Update FindMaxRecursionTest.java

* Update FindMaxRecursion.java

* Update src/main/java/com/thealgorithms/maths/FindMaxRecursion.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

* Update FindMaxRecursion.java

* Update FindMaxRecursion.java

* Update FindMaxRecursion.java

* Update FindMaxRecursion.java

* Update FindMaxRecursion.java

* Update src/main/java/com/thealgorithms/maths/FindMaxRecursion.java

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>

---------

Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>
This commit is contained in:
Lukas
2023-10-01 20:21:29 +02:00
committed by GitHub
parent f72b80b116
commit 8dc5505323
2 changed files with 36 additions and 22 deletions
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src/test/java/com/thealgorithms/maths/FindMaxRecursionTest.java Normal file
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package com.thealgorithms.maths;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.util.stream.Stream;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
public class FindMaxRecursionTest {
@ParameterizedTest
@MethodSource("inputStream")
void numberTests(int expected, int[] input) {
Assertions.assertEquals(expected, FindMaxRecursion.max(input));
}
private static Stream<Arguments> inputStream() {
return Stream.of(Arguments.of(5, new int[] {5, 5, 5, 5, 5}), Arguments.of(0, new int[] {-1, 0}), Arguments.of(-1, new int[] {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1}), Arguments.of(9, new int[] {3, -2, 3, 9, -4, -4, 8}), Arguments.of(3, new int[] {3}));
}
@Test
public void testFindMaxThrowsExceptionForEmptyInput() {
assertThrows(IllegalArgumentException.class, () -> FindMaxRecursion.max(new int[] {}));
}
}