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src/test/java/com/thealgorithms/maths/DeterminantOfMatrixTest.java
50 строк
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Alex Klymenko
test: `DeterminantOfMatrix` (#5376)
24 авг 2024, 11:38
Не верифицирован
24 авг 2024, 11:38
84fb717
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package com.thealgorithms.maths; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.api.Test; public class DeterminantOfMatrixTest { @Test public void testDeterminant2x2Matrix() { int[][] matrix = {{1, 2}, {3, 4}}; int expected = -2; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 2)); } @Test public void testDeterminant3x3Matrix() { int[][] matrix = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; int expected = 0; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 3)); } @Test public void testDeterminant3x3MatrixNonZero() { int[][] matrix = {{1, 2, 3}, {0, 1, 4}, {5, 6, 0}}; int expected = 1; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 3)); } @Test public void testDeterminant1x1Matrix() { int[][] matrix = {{7}}; int expected = 7; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 1)); } @Test public void testDeterminant4x4Matrix() { int[][] matrix = {{1, 0, 0, 1}, {0, 1, 0, 0}, {0, 0, 1, 0}, {1, 0, 0, 1}}; int expected = 0; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 4)); } @Test public void testDeterminant4x4MatrixZero() { int[][] matrix = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}, {13, 14, 15, 16}}; int expected = 0; assertEquals(expected, DeterminantOfMatrix.determinant(matrix, 4)); } }