Board to String extensions

CustomTypes/Package.swift

@@ -11,11 +11,15 @@ let package = Package(
             name: "CustomTypes",
             targets: ["CustomTypes"]),
     ],
+    dependencies: [
+        .package(path: "../Model")
+    ],
     targets: [
         // Targets are the basic building blocks of a package, defining a module or a test suite.
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
-            name: "CustomTypes"),
+            name: "CustomTypes",
+            dependencies: [ .product(name: "Model", package: "Model") ]),
         .testTarget(
             name: "CustomTypesTests",
             dependencies: ["CustomTypes"]),

CustomTypes/Sources/CustomTypes/CustomTypes.swift

@@ -1,2 +0,0 @@
-// The Swift Programming Language
-// https://docs.swift.org/swift-book

CustomTypes/Sources/CustomTypes/Display.swift

@@ -0,0 +1,35 @@
+import Model
+
+extension Piece: CustomStringConvertible {
+    public var description: String {
+        switch self {
+        case .PlayerA:
+            "🔴"
+        case .PlayerB:
+            "🟡"
+        }
+    }
+}
+
+extension Board: CustomStringConvertible, CustomDebugStringConvertible {
+    public var description: String {
+        var str = String()
+        
+        for row in 0..<self.rows {
+            for col in 0..<self.columns {
+                str += self[col, row]?.description ?? "  "
+            }
+            
+            str += "\n"
+        }
+        
+        return str
+    }
+    
+    public var debugDescription: String {
+        let (a, b) = self.countPieces()
+        return "Board[\(self.columns)x\(self.rows), \(a) A and \(b) B pieces]"
+    }
+}
+
+

CustomTypes/Tests/CustomTypesTests/CustomTypesTests.swift

@@ -1,12 +0,0 @@
-import XCTest
-@testable import CustomTypes
-
-final class CustomTypesTests: XCTestCase {
-    func testExample() throws {
-        // XCTest Documentation
-        // https://developer.apple.com/documentation/xctest
-
-        // Defining Test Cases and Test Methods
-        // https://developer.apple.com/documentation/xctest/defining_test_cases_and_test_methods
-    }
-}

CustomTypes/Tests/CustomTypesTests/DisplayTests.swift

@@ -0,0 +1,21 @@
+import XCTest
+import Model
+@testable import CustomTypes
+
+final class CustomTypesTests: XCTestCase {
+    func testExample() throws {
+        guard var board = Board(columns: 4, rows: 4) else {
+            XCTFail()
+            return
+        }
+        
+        board[1, 1] = .PlayerA
+        board[2, 1] = .PlayerA
+        board[2, 2] = .PlayerA
+        board[1, 2] = .PlayerB
+        
+        let text: String = board.description
+        
+        XCTAssertEqual(text, "        \n  🔴🔴  \n  🟡🔴  \n        \n")
+    }
+}