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41 lines
1.2 KiB
41 lines
1.2 KiB
package com.ugsbo.matrixcalc;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* Tests the funktionality to Calculate the Determinant of a Matrix.
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*/
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public class StringToMatrixTest {
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private MatrixCalcMath matrixMath;
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@Before
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public void setup() {
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matrixMath = new MatrixCalcMath();
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}
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@Test
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public void StringWithSingleDigitNumbersToMatrix_ReturnsEquivalentMatrix() {
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String inputString = "1";
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double[][] expected = { { 1.0 } };
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double[][] result = matrixMath.stringToMatrix(inputString);
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assertArrayEquals("The first row is not correct", expected[0], result[0], 0.1);
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}
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@Test
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public void StringWithfourDigitNumbersToMatrix_ReturnsEquivalentMatrix() {
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String inputString = "1 2\n3 4";
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double[][] expected = { { 1.0, 2.0 }, {3.0, 4.0} };
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double[][] result = matrixMath.stringToMatrix(inputString);
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assertArrayEquals("The first row is not correct", expected[0], result[0], 0.1);
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assertArrayEquals("The first row is not correct", expected[1], result[1], 0.1);
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}
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}
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