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Linear + Diagonal moves

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cdricms
2024-06-27 18:09:01 +02:00
parent bc145da022
commit 8b5c2a592e
11 changed files with 179 additions and 108 deletions
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48
Tests/EngineTests/EngineTests.swift
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@@ -7,16 +7,56 @@ final class EngineTests: XCTestCase {
super.setUp()
}
func testPositionIndex() throws {
var rank = 9
for i in 0..<64 {
var rank: Int8 = 9
for i: Int8 in 0..<64 {
let file = (i % 8) + 1
if file - 1 == 0 {
rank -= 1
}
let pos: Square.Position = .init(file: UInt8(file), rank: UInt8(rank))
XCTAssertTrue(pos.index == i, "Expected \(i) got \(pos.index)")
let pos: Square.Position = .init(rank: rank, file: file)
XCTAssertTrue(pos.index == Int(i), "Expected \(i) got \(pos.index!)")
}
}
func testDiagonalMoves() throws {
let b: Bishop = .init(color: .White, on: .init(rank: 4, file: 4))
let result = [
Square.Position(rank: 5, file: 3),
Square.Position(rank: 6, file: 2),
Square.Position(rank: 7, file: 1),
Square.Position(rank: 5, file: 5),
Square.Position(rank: 6, file: 6),
Square.Position(rank: 7, file: 7),
Square.Position(rank: 8, file: 8),
Square.Position(rank: 3, file: 5),
Square.Position(rank: 2, file: 6),
Square.Position(rank: 1, file: 7),
Square.Position(rank: 3, file: 3),
Square.Position(rank: 2, file: 2),
Square.Position(rank: 1, file: 1),
]
XCTAssertEqual(result, b.pseudoLegalPositions)
}
func testLinearMoves() throws {
let r: Rook = .init(color: .White, on: .init(rank: 4, file: 4))
let result = [
Square.Position(rank: 5, file: 4),
Square.Position(rank: 6, file: 4),
Square.Position(rank: 7, file: 4),
Square.Position(rank: 8, file: 4),
Square.Position(rank: 4, file: 5),
Square.Position(rank: 4, file: 6),
Square.Position(rank: 4, file: 7),
Square.Position(rank: 4, file: 8),
Square.Position(rank: 3, file: 4),
Square.Position(rank: 2, file: 4),
Square.Position(rank: 1, file: 4),
Square.Position(rank: 4, file: 3),
Square.Position(rank: 4, file: 2),
Square.Position(rank: 4, file: 1),
]
XCTAssertEqual(result, r.pseudoLegalPositions)
}
// func testBoard() throws {
// let board = Board()
// }