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Create SetMatrixToZeroUnitTest.java

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anujgaud 2024-03-16 23:32:11 +05:30 committed by GitHub
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core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/matrixtozero/SetMatrixToZeroUnitTest.java Normal file
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package com.baeldung.matrixtozero;
import org.junit.Test;
public class SetMatrixToZeroUnitTest{
@Test
void givenMatrix_whenUsingBruteForce_thenSetZeroes() {
int[][] matrix = {
{1, 2, 3},
{4, 0, 6},
{7, 8, 9}
};
int[][] expected = {
{1, 0, 3},
{0, 0, 0},
{7, 0, 9}
};
SetMatrixToZero.setZeroesBruteForce(matrix);
assertArrayEquals(expected, matrix);
}
@Test
void givenMatrix_whenUsingExtraSpace_thenSetZeroes() {
int[][] matrix = {
{1, 2, 3},
{4, 0, 6},
{7, 8, 9}
};
int[][] expected = {
{1, 0, 3},
{0, 0, 0},
{7, 0, 9}
};
SetMatrixToZero.setZeroesExtraSpace(matrix);
assertArrayEquals(expected, matrix);
}
@Test
void givenMatrix_whenUsingOptimized_thenSetZeroes() {
int[][] matrix = {
{1, 2, 3},
{4, 0, 6},
{7, 8, 9}
};
int[][] expected = {
{1, 0, 3},
{0, 0, 0},
{7, 0, 9}
};
SetMatrixToZero.setZeroesOptimized(matrix);
assertArrayEquals(expected, matrix);
}
}