Tests for reported bug on Skyline Cascade.

Mage.Tests/src/test/java/org/mage/test/cards/abilities/enters/SkylineCascadeTest.java

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+/*
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+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.mage.test.cards.abilities.enters;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author escplan9 (Derek Monturo - dmontur1 at gmail dot com)
+ */
+public class SkylineCascadeTest extends CardTestPlayerBase {
+
+    /**
+     * Reported bug on Skyline Cascade not working properly.
+     * 
+     * Test the typical situation - tapped creature not being able to untap during next untap step.
+     */
+    @Test
+    public void testPreventsTappedCreatureUntapping() {
+                
+        // {W} 2/1
+        addCard(Zone.BATTLEFIELD, playerA, "Savannah Lions");
+        
+        /**
+         * Skyline Cascade enters the battlefield tapped.
+         * When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.
+         * Tap: Add {B}  to your mana pool.
+         */        
+        addCard(Zone.HAND, playerB, "Skyline Cascade");
+                
+        attack(1, playerA, "Savannah Lions");
+
+        playLand(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Skyline Cascade");
+        addTarget(playerA, "Savannah Lions");
+        
+        setStopAt(3, PhaseStep.PRECOMBAT_MAIN);
+        
+        execute();
+        
+        assertTapped("Savannah Lions", true);
+        assertTapped("Skyline Cascade", true);
+    }
+    
+    /**
+     * Reported bug on Skyline Cascade not working properly.
+     * 
+     * "Skyline Cascade’s triggered ability doesn't tap the creature. It can target any creature, tapped or untapped. 
+     * If that creature is already untapped at the beginning of its controller’s next untap step, the effect won’t do anything."
+     * http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=402038
+     * 
+     * An untapped creature will remain untapped.
+     */
+    @Test
+    public void testDoesNotStopUntappedCreatureUntapping() {
+                
+        // {W} 2/1
+        addCard(Zone.BATTLEFIELD, playerA, "Savannah Lions");
+        
+        /**
+         * Skyline Cascade enters the battlefield tapped.
+         * When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.
+         * Tap: Add {B}  to your mana pool.
+         */        
+        addCard(Zone.HAND, playerB, "Skyline Cascade");
+                
+        playLand(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Skyline Cascade");
+        addTarget(playerA, "Savannah Lions");
+        
+        setStopAt(3, PhaseStep.PRECOMBAT_MAIN);
+        
+        execute();
+        
+        assertTapped("Savannah Lions", false);
+        assertTapped("Skyline Cascade", true);
+    }
+}