Assignment No.13 first implementation.

1 files changed, 147 insertions, 0 deletions

diff --git a/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java b/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java
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+/**
+ * 
+ */
+package de.fhswf.in.inf.java1.aufgabe13;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Stack;
+
+import org.junit.Test;
+
+import de.fhswf.in.inf.java1.aufgabe12.Addition;
+import de.fhswf.in.inf.java1.aufgabe12.BinaryOperator;
+import de.fhswf.in.inf.java1.aufgabe12.BinaryTemplate;
+import de.fhswf.in.inf.java1.aufgabe12.Division;
+import de.fhswf.in.inf.java1.aufgabe12.Modulo;
+import de.fhswf.in.inf.java1.aufgabe12.Multiplication;
+import de.fhswf.in.inf.java1.aufgabe12.Subtraction;
+
+/**
+ * Tests the BinaryOperators.
+ *
+ * @author $Author: $
+ * @version $Revision: $, $Date: $ UTC
+ */
+public class BinaryOperatorTests
+{
+
+   /**
+    * Test for the Addition class.
+    */
+   @Test
+   public final void testOperatorAddition()
+   {
+      // Sin is tested
+      BinaryOperator tester = new Addition();
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      test.add(1.0);
+      test.add(1.0);
+      tester.eval(test);
+
+      assertEquals(2.0, (double) test.pop(), 0);
+   }
+
+   /**
+    * Test for the Division class.
+    */
+   @Test
+   public final void testOperatorDivision()
+   {
+      // Sin is tested
+      BinaryOperator tester = new Division();
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      test.add(2.0);
+      test.add(2.0);
+      tester.eval(test);
+
+      assertEquals(1.0, (double) test.pop(), 0);
+   }
+
+   /**
+    * Test for the Modulo class.
+    */
+   @Test
+   public final void testOperatorModulo()
+   {
+      // Sin is tested
+      BinaryOperator tester = new Modulo();
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      test.add(3.0);
+      test.add(2.0);
+      tester.eval(test);
+
+      assertEquals(1.0, (double) test.pop(), 0);
+   }
+
+   /**
+    * Test for the Multiplication class.
+    */
+   @Test
+   public final void testOperatorMultiplication()
+   {
+      // Sin is tested
+      BinaryOperator tester = new Multiplication();
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      test.add(2.0);
+      test.add(2.0);
+      tester.eval(test);
+
+      final double expected = 4.0;
+      assertEquals(expected, (double) test.pop(), 0);
+   }
+
+   /**
+    * Test for the Subtraction class.
+    */
+   @Test
+   public final void testOperatorSubtraction()
+   {
+      // Sin is tested
+      BinaryOperator tester = new Subtraction();
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      test.add(2.0);
+      test.add(2.0);
+      tester.eval(test);
+
+      assertEquals(0.0, (double) test.pop(), 0);
+   }
+
+   /**
+    * Test for the BinaryTemplate class initialized with pow.
+    */
+   @Test
+   public final void testOperatorPow()
+   {
+      // Sin is tested
+      BinaryOperator tester = new BinaryTemplate("pow");
+
+      // Test
+      Stack<Double> test = new Stack<>();
+
+      final double exponent = 3.0;
+      
+      test.add(2.0);
+      test.add(exponent);
+      tester.eval(test);
+
+      final double expected = 8.0;
+      assertEquals(expected, (double) test.pop(), 0);
+   }
+
+}