transferred Code Ocean from original repository to GitHub

db/seeds/math/org/example/RecursiveMath.java

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+package org.example;
+
+public class RecursiveMath {
+
+    public static void main(String[] args) {
+        //
+    }
+
+    public static double power(int base, int exponent) {
+        return 42;
+    }
+}

db/seeds/math/org/example/RecursiveMathTest1.java

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+package org.example;
+
+import java.lang.Math.*;
+import org.example.RecursiveMath;
+import org.junit.*;
+
+public class RecursiveMathTest1 {
+
+    @Test
+    public void methodIsDefined() {
+        boolean methodIsDefined = false;
+        try {
+             RecursiveMath.power(1, 1);
+             methodIsDefined = true;
+        } catch (NoSuchMethodError error) {
+            //
+        }
+        org.junit.Assert.assertTrue("RecursiveMath does not define 'power'.", methodIsDefined);
+    }
+
+    @Test
+    public void methodReturnsDouble() {
+        Object result = RecursiveMath.power(1, 1);
+        org.junit.Assert.assertTrue("Your method has the wrong return type.", result instanceof Double);
+    }
+}

db/seeds/math/org/example/RecursiveMathTest2.java

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+package org.example;
+
+import java.lang.Math.*;
+import org.example.RecursiveMath;
+import org.junit.*;
+
+public class RecursiveMathTest2 {
+
+    @Test
+    public void exponentZero() {
+        org.junit.Assert.assertEquals("Incorrect result for exponent 0.", 1, RecursiveMath.power(42, 0), 0);
+    }
+
+    @Test
+    public void negativeExponent() {
+        org.junit.Assert.assertEquals("Incorrect result for exponent -1.", Math.pow(2, -1), RecursiveMath.power(2, -1), 0);
+    }
+
+    @Test
+    public void positiveExponent() {
+        org.junit.Assert.assertEquals("Incorrect result for exponent 4.", Math.pow(2, 4), RecursiveMath.power(2, 4), 0);
+    }
+}