✅ Board

Connect4/connect4_lib/.swiftpm/xcode/xcshareddata/xcschemes/connect4_lib.xcscheme

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1420"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "connect4_lib"
+               BuildableName = "connect4_lib"
+               BlueprintName = "connect4_lib"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES"
+      onlyGenerateCoverageForSpecifiedTargets = "YES">
+      <CodeCoverageTargets>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "connect4_lib"
+            BuildableName = "connect4_lib"
+            BlueprintName = "connect4_lib"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </CodeCoverageTargets>
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "connect4_libTests"
+               BuildableName = "connect4_libTests"
+               BlueprintName = "connect4_libTests"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "connect4_lib"
+            BuildableName = "connect4_lib"
+            BlueprintName = "connect4_lib"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Connect4/connect4_lib/Sources/connect4_lib/Board.swift

@@ -17,7 +17,9 @@ public struct Board : CustomStringConvertible {
     }
     
     public init?(withGrid grid: [[Int?]]) {
-        guard(grid.allSatisfy{ $0.count == grid[0].count }) else { return nil }
+        guard(grid.count >= 3
+              && grid[0].count >= 3
+              && grid.allSatisfy{ $0.count == grid[0].count }) else { return nil }
         self.nbRows = grid.count
         self.nbCols = grid[0].count
         self._nbFree = nbRows * nbCols

Connect4/connect4_lib/Tests/connect4_libTests/BoardTest.swift

@@ -1,8 +1,47 @@
-//
-//  File.swift
-//  
-//
-//  Created by etudiant on 2023-01-23.
-//
-
 import Foundation
+import XCTest
+import connect4_lib
+
+final class BoardTest: XCTestCase {
+    
+    func testInit() throws {
+        func expect(initBoardWithNbRows nbRows: Int,
+                    andNbCols nbCols: Int,
+                    shouldNotBeNil: Bool) {
+            let board = Board(withRows: nbRows, andWithCols: nbCols)
+            if !shouldNotBeNil {
+                XCTAssertNil(board)
+                return
+            }
+            XCTAssertNotNil(board)
+            XCTAssertEqual(nbCols, board?.nbCols)
+            XCTAssertEqual(nbRows, board?.nbRows)
+        }
+        
+        expect(initBoardWithNbRows: 6, andNbCols: 7, shouldNotBeNil: true)
+        expect(initBoardWithNbRows: -1, andNbCols: 7, shouldNotBeNil: false)
+        expect(initBoardWithNbRows: 6, andNbCols: -9, shouldNotBeNil: false)
+        expect(initBoardWithNbRows: 0, andNbCols: 7, shouldNotBeNil: false)
+        expect(initBoardWithNbRows: 6, andNbCols: 0, shouldNotBeNil: false)
+    }
+    
+    func testInitLoad() throws {
+        func expect(withBoard orig: [[Int?]], shouldNotBeNil: Bool) {
+            let board = Board(withGrid: orig)
+            if !shouldNotBeNil {
+                XCTAssertNil(board)
+                return
+            }
+            XCTAssertNotNil(board)
+            XCTAssertEqual(orig[0].count, board?.nbCols)
+            XCTAssertEqual(orig.count, board?.nbRows)
+        }
+        
+        expect(withBoard: [[0, 1, 2], [0, 0, 0], [0, 0, 0]], shouldNotBeNil: true)
+        expect(withBoard: [], shouldNotBeNil: false)
+        expect(withBoard: [[], []], shouldNotBeNil: false)
+        expect(withBoard: [[0, 1], [0, 0]], shouldNotBeNil: false)
+        expect(withBoard: [[0, 1, 2], [0, 0, 0, 0]], shouldNotBeNil: false)
+    }
+    
+}