naga vitalist UT unable to reproduce issue. closes #3315

Mage.Tests/src/test/java/org/mage/test/cards/mana/NagaVitalistTest.java

@@ -0,0 +1,56 @@
+package org.mage.test.cards.mana;
+
+import mage.constants.ManaType;
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ *
+ * @author escplan9
+ */
+public class NagaVitalistTest extends CardTestPlayerBase {
+
+    /*
+    Naga Vitalist 1G
+    Creature - Naga Druid 1/2
+    T: Add to your mana pool one mana of any type that a land you control could produce. 
+    */
+    private final String nagaVitalist = "Naga Vitalist";
+    
+    /*
+     Reported bug (issue #3315)
+    Naga Vitalist could not produce any color mana with a Gift of Paradise enchanted on a forest. All lands on board were forests. 
+    */
+    @Test
+    public void nagaVitalist_InteractionGiftOfParadise() {
+
+        /*
+        Gift of Paradise 2G
+        Enchantment - Aura
+        Enchant - Land
+        When Gift of Paradise enters the battlefield, you gain 3 life.
+        Enchanted land has "T: Add two mana of any one color to your mana pool." 
+        */
+        String giftParadise = "Gift of Paradise";
+        
+        addCard(Zone.BATTLEFIELD, playerA, "Forest", 3);
+        addCard(Zone.BATTLEFIELD, playerA, nagaVitalist);
+        addCard(Zone.BATTLEFIELD, playerA, "Upwelling"); // mana pools do not empty at the end of phases or turns
+        addCard(Zone.HAND, playerA, giftParadise);
+        
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, giftParadise, "Forest");
+        
+        activateManaAbility(3, PhaseStep.PRECOMBAT_MAIN, playerA, "{T}: Add to your mana pool one mana of any type that a land you control could produce");
+        setChoice(playerA, "Green");
+        
+        setStopAt(3, PhaseStep.PRECOMBAT_MAIN);
+        execute();
+        
+        assertLife(playerA, 23); // gift of paradise ETB
+        assertTapped(nagaVitalist, true);
+        Assert.assertEquals("one green mana has to be in the mana pool", 1, playerA.getManaPool().get(ManaType.GREEN));
+    }
+}