* Fixed a problem that unintended allowed to cast spells with alternate cost to cast conditions (fixes #6739).

This commit is contained in:
LevelX2 2020-06-29 14:54:29 +02:00
parent 5661bb1bfe
commit d1e31140cc
3 changed files with 55 additions and 6 deletions

View file

@ -145,6 +145,52 @@ public class UseAlternateSourceCostsTest extends CardTestPlayerBase {
assertAllCommandsUsed();
}
@Test
public void test_Playable_WithOpponentGainingLive() {
// If you control a Forest, rather than pay Invigorate's mana cost, you may have an opponent gain 3 life.
// Target creature gets +4/+4 until end of turn.
addCard(Zone.HAND, playerA, "Invigorate"); // Instant {2}{G}
addCard(Zone.BATTLEFIELD, playerA, "Forest");
addCard(Zone.BATTLEFIELD, playerA, "Silvercoat Lion");
castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Invigorate", "Silvercoat Lion");
setChoice(playerA, "Yes"); // use alternative cost
addTarget(playerA, playerB); // Opponent to gain live
setStrictChooseMode(true);
setStopAt(1, PhaseStep.BEGIN_COMBAT);
execute();
assertAllCommandsUsed();
assertGraveyardCount(playerA, "Invigorate", 1);
assertPowerToughness(playerA, "Silvercoat Lion", 6, 6);
assertLife(playerB, 23);
}
@Test
public void test_Not_Playable_WithOpponentGainingLive() {
// If you control a Forest, rather than pay Invigorate's mana cost, you may have an opponent gain 3 life.
// Target creature gets +4/+4 until end of turn.
addCard(Zone.GRAVEYARD, playerA, "Invigorate"); // Instant {2}{G}
addCard(Zone.BATTLEFIELD, playerA, "Forest");
addCard(Zone.BATTLEFIELD, playerA, "Silvercoat Lion");
addCard(Zone.BATTLEFIELD, playerB, "Forest");
// can't see as playable because in graveyard
checkPlayableAbility("can't", 1, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Invigorate", false);
checkPlayableAbility("can't", 1, PhaseStep.PRECOMBAT_MAIN, playerB, "Cast Invigorate", false);
setStrictChooseMode(true);
setStopAt(1, PhaseStep.BEGIN_COMBAT);
execute();
assertAllCommandsUsed();
assertGraveyardCount(playerA, "Invigorate", 1);
assertPowerToughness(playerA, "Silvercoat Lion", 2, 2);
assertLife(playerB, 20);
}
@Test
@Ignore // TODO: make test to check combo of alternative cost and cost reduction effects
public void test_Playable_WithCostReduction() {

View file

@ -151,11 +151,11 @@ public class AlternativeCostSourceAbility extends StaticAbility implements Alter
for (AlternativeCost2 alternateCost : alternativeCostsToCheck) {
alternateCost.activate();
for (Iterator it = ((Costs) alternateCost).iterator(); it.hasNext(); ) {
Cost costDeailed = (Cost) it.next();
if (costDeailed instanceof ManaCost) {
ability.getManaCostsToPay().add((ManaCost) costDeailed.copy());
} else {
ability.getCosts().add(costDeailed.copy());
Cost costDetailed = (Cost) it.next();
if (costDetailed instanceof ManaCost) {
ability.getManaCostsToPay().add((ManaCost) costDetailed.copy());
} else if (costDetailed != null) {
ability.getCosts().add(costDetailed.copy());
}
}
}
@ -222,7 +222,7 @@ public class AlternativeCostSourceAbility extends StaticAbility implements Alter
sb.append("pay ");
}
String text = alternativeCost.getText(true);
sb.append(Character.toLowerCase(text.charAt(0)) + text.substring(1));
sb.append(Character.toLowerCase(text.charAt(0))).append(text.substring(1));
}
++numberCosts;
}

View file

@ -3207,6 +3207,9 @@ public abstract class PlayerImpl implements Player, Serializable {
// check "can play" condition as affected controller (BUT play from not own hand zone must be checked as original controller)
// must check all abilities, not activated only
for (Ability ability : candidateAbilities) {
if (!(ability instanceof ActivatedAbility)) {
continue;
}
boolean isPlaySpell = (ability instanceof SpellAbility);
boolean isPlayLand = (ability instanceof PlayLandAbility);