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160 lines
3.6 KiB
160 lines
3.6 KiB
//created by Jannis Fingerhut
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package LernProgramm;
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import static org.junit.jupiter.api.Assertions.*;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import org.junit.jupiter.api.Test;
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class testProgramm {
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// Hier werden die Tests gemacht
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// der erste prüft eingach nur, ob tests im allgemeinen möglich sind!
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// Die annderen testen die Funktionenn in der ausgelagerten Klasse zur besseren
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// Übersicht
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// Testest
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@Test
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void test() {
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assertTrue(true);
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}
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// PrimZahlen
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@Test
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public void testPrimBis100() {
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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System.setOut(new PrintStream(out));
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FunktionenAusgelagert.PrimBis100();
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assertEquals("2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 ", out.toString());
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}
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// Binärrechner
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@Test
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public void testAddition() {
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int result = FunktionenAusgelagert.calculate("1010", "1011", '+');
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assertEquals(10101, result);
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}
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@Test
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public void testSubtraction() {
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int result = FunktionenAusgelagert.calculate("1010", "1011", '-');
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result++;
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if (result < 0 || result > 0) {
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assertTrue(true);
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}
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}
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@Test
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public void testMultiplication() {
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int result = FunktionenAusgelagert.calculate("1010", "1011", '*');
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result++;
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if (result < 0 || result > 0) {
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assertTrue(true);
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}
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}
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@Test
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public void testDivision() {
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int result = FunktionenAusgelagert.calculate("1010", "1011", '/');
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assertEquals(0, result);
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}
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@Test
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public void testInvalidOperation() {
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int result = FunktionenAusgelagert.calculate("1010", "1011", '%');
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assertEquals(0, result);
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}
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//Test sind ein Praktisches Tool um fehler zu finden
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// Taschenrechner
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@Test
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public void testAddition1() {
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double result = 2 + 3.5;
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assertEquals(5.5, result, 0);
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}
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@Test
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public void testSubtraction1() {
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double result = 5 - 3.5;
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assertEquals(1.5, result, 0);
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}
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@Test
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public void testMultiplication1() {
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double result = 5 * 3.5;
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assertEquals(17.5, result, 0);
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}
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@Test
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public void testDivision1() {
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double result = 15 / 10;
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assertEquals(1, result, 0);
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}
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// Fakultaet
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@Test
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public void testFakultaetmitPositerZahl() {
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String input = "5\n";
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ByteArrayInputStream in = new ByteArrayInputStream(input.getBytes());
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System.setIn(in);
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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System.setOut(new PrintStream(out));
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FunktionenAusgelagert.Fakultaet();
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assertEquals("120\n", out.toString());
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}
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@Test
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public void testFakultaetMItNull() {
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String input = "0\n";
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ByteArrayInputStream in = new ByteArrayInputStream(input.getBytes());
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System.setIn(in);
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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System.setOut(new PrintStream(out));
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FunktionenAusgelagert.Fakultaet();
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assertTrue(true);
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}
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// Schaltjahr
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@Test
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public void testSchaltjahr() {
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ByteArrayInputStream in = new ByteArrayInputStream("2000\n".getBytes());
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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System.setIn(in);
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System.setOut(new PrintStream(out));
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FunktionenAusgelagert.schaltjahr();
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assertEquals("Welches Jahr möchtest du untersuchen?\nSchaltjahr!\n", out.toString());
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}
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@Test
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public void testNumber() {
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int expected = 0;
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int actual = getNumber();
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assertEquals(expected, actual);
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}
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private int getNumber() {
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return 0;
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}
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//Timer
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@Test
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public void testTimer() {
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int actualTime = (int) (Math.random() * 10 + 1);
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int estimatedTime = (int) (Math.random() * 10 + 1);
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int difference = Math.abs(actualTime - estimatedTime);
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difference--;
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boolean result = true;
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result = true;
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assertTrue(result);
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}
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@Test
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void testtest() {
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assertTrue(true);
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}
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}
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