--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/API/Objects/Requirement/UnitRequiresNUnitsForMUnitsRequirementTests.cs	Wed Feb 22 20:48:40 2012 +0000
@@ -0,0 +1,294 @@
+// This file (UnitRequiresNUnitsForMUnitsRequirementTest.cs) is a part of the IBBoard.WarFoundry.API.Tests project and is copyright 2011 IBBoard
+// 
+// The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
+using System;
+using NUnit.Framework;
+using IBBoard.WarFoundry.API.Objects.Mock;
+using NUnit.Framework.SyntaxHelpers;
+
+namespace IBBoard.WarFoundry.API.Objects.Requirement
+{
+	[TestFixture()]
+	public class UnitRequiresNUnitsForMUnitsRequirementTests
+	{
+		private MockRace mockRace;
+		private UnitType unitType1;
+		private UnitType unitType2;
+		private UnitType unitType3;
+
+		[TestFixtureSetUp()]
+		public void SetupRace()
+		{
+			mockRace = new MockRace();
+			unitType1 = new MockUnitType("type1", "Unit Type 1");
+			mockRace.AddUnitType(unitType1);
+			unitType2 = new MockUnitType("type2", "Unit Type 2");
+			mockRace.AddUnitType(unitType2);
+			unitType3 = new MockUnitType("type3", "Unit Type 3");
+			mockRace.AddUnitType(unitType3);
+		}
+
+		[Test()]
+		public void TestAddingUnitWithNoUnitsAndOneUnitTypeRequiredIsAllowed()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			Unit unit = CreateUnitOfType(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unit, army), Is.EqualTo(Validation.Passed));
+		}
+
+		[Test()]
+		public void TestAddingUnitWithOneUnitAndOneUnitTypeRequiredIsNotAllowed()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType2, army);
+			Unit unit = CreateUnitOfType(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unit, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTypeWithNoUnitsAndOneUnitTypeRequiredIsAllowed()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Passed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTypeWithOneUnitAndOneUnitTypeRequiredIsNotAllowed()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTypeSetsLimit()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2, 1);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Passed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTypeSetsLimitForFailure()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType2, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2, 1);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTriggersFailure()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2, 1);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Passed));
+			AddUnitOfTypeToArmy(unitType2, army);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test()]
+		public void TestAddingUnitTypeDefaultsToNoMoreThanZero()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Passed));
+			AddUnitOfTypeToArmy(unitType2, army);
+			Assert.That(req.AllowsAdding(unitType1, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test]
+		public void TestRequirementNotApplicableWhenLimitedUnitNotIncluded()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unitType3, army), Is.EqualTo(Validation.NotApplicable));
+			Assert.That(req.AllowsAdding(unitType2, army), Is.EqualTo(Validation.NotApplicable));
+		}
+
+		[Test]
+		public void TestRequirementBecomesInvalidWhenProhibitedUnitsChange()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.ValidatesArmy(army), Is.EqualTo(Validation.Passed));
+			AddUnitOfTypeToArmy(unitType2, army);
+			Assert.That(req.ValidatesArmy(army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test()]
+		public void TestAddingLimitedUnitTriggersFailure()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.AllowsAdding(unitType2, army), Is.EqualTo(Validation.Failed));
+		}
+
+		[Test]
+		public void TestValidationMessageIsBlankForPass()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.GetValidationMessage(army), Is.Empty);
+		}
+
+		[Test]
+		public void TestValidationMessageIsCorrectForFailWithOneUnitProhibited()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.GetValidationMessage(army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (have 1)."));
+		}
+
+		[Test]
+		public void TestValidationMessageIsCorrectForFailWithTwoOfOneUnitLimit()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2, 2);
+			Assert.That(req.GetValidationMessage(army), Is.EqualTo("Army cannot contain more than: 2 × " + unitType2.Name + " (have 3)."));
+		}
+
+		[Test]
+		public void TestValidationMessageIsCorrectForFailWithTwoUnitsProhibited()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetValidationMessage(army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (have 1)."));
+		}
+
+		[Test]
+		public void TestValidationMessageIsCorrectForFailWithTwoUnitsProhibitedAndOtherUnitInArmy()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType3, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetValidationMessage(army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType3.Name + " (have 1)."));
+		}
+
+		[Test]
+		public void TestValidationMessageIsCorrectForFailWithTwoUnitsProhibitedAndBothUnitsInArmy()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			AddUnitOfTypeToArmy(unitType3, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetValidationMessage(army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (have 1); 0 × " + unitType3.Name + " (have 1)."));
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsBlankForPass()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			Assert.That(req.GetAllowsAddingMessage(unitType2, army), Is.Empty);
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsCorrectForFailWithOneUnitProhibited()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			Assert.That(req.GetAllowsAddingMessage(unitType2, army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (would have 1)."));
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsCorrectForFailWithTwoOfOneUnitLimit()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2, 2);
+			Assert.That(req.GetAllowsAddingMessage(unitType2, army), Is.EqualTo("Army cannot contain more than: 2 × " + unitType2.Name + " (would have 3)."));
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsCorrectForFailWithTwoUnitsProhibited()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetAllowsAddingMessage(unitType2, army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (would have 1)."));
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsCorrectForFailWithTwoUnitsProhibitedAndOneUnitInArmy()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType2, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetAllowsAddingMessage(unitType3, army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (would have 1); 0 × " + unitType3.Name + " (would have 1)."));
+		}
+
+		[Test]
+		public void TestAllowsAddMessageIsCorrectForFailWithTwoUnitsProhibitedAndOtherUnitInArmy()
+		{
+			Army army = new Army(mockRace, "Test", 1000);
+			AddUnitOfTypeToArmy(unitType1, army);
+			AddUnitOfTypeToArmy(unitType3, army);
+			UnitRequiresNUnitsForMUnitsRequirement req = new UnitRequiresNUnitsForMUnitsRequirement(unitType1);
+			req.AddUnitTypeRequirement(unitType2);
+			req.AddUnitTypeRequirement(unitType3);
+			Assert.That(req.GetAllowsAddingMessage(unitType2, army), Is.EqualTo("Army cannot contain more than: 0 × " + unitType2.Name + " (would have 1); 0 × " + unitType3.Name + " (would have 1)."));
+		}
+
+		private static void AddUnitOfTypeToArmy(UnitType unitType, Army army)
+		{
+			army.AddUnit(CreateUnitOfType(unitType, army));
+		}
+
+		private static Unit CreateUnitOfType(UnitType unitType, Army army)
+		{
+			return new Unit(unitType, army.GetCategory(unitType.MainCategory));
+		}
+	}
+}
+