//
//  BedrockTests.swift
//  Bedrock
//
//  Unit tests for the Bedrock design system.
//

import XCTest
@testable import Bedrock

final class BedrockTests: XCTestCase {
    
    // MARK: - Design Constants Tests
    
    func testSpacingValuesArePositive() {
        XCTAssertGreaterThan(Design.Spacing.xxxSmall, 0)
        XCTAssertGreaterThan(Design.Spacing.small, 0)
        XCTAssertGreaterThan(Design.Spacing.medium, 0)
        XCTAssertGreaterThan(Design.Spacing.large, 0)
    }
    
    func testSpacingValuesAreOrdered() {
        XCTAssertLessThan(Design.Spacing.xxxSmall, Design.Spacing.xxSmall)
        XCTAssertLessThan(Design.Spacing.xxSmall, Design.Spacing.xSmall)
        XCTAssertLessThan(Design.Spacing.xSmall, Design.Spacing.small)
        XCTAssertLessThan(Design.Spacing.small, Design.Spacing.medium)
        XCTAssertLessThan(Design.Spacing.medium, Design.Spacing.large)
        XCTAssertLessThan(Design.Spacing.large, Design.Spacing.xLarge)
    }
    
    func testOpacityValuesAreInRange() {
        XCTAssertGreaterThanOrEqual(Design.Opacity.verySubtle, 0)
        XCTAssertLessThanOrEqual(Design.Opacity.almostFull, 1)
    }
    
    func testCornerRadiusValuesArePositive() {
        XCTAssertGreaterThan(Design.CornerRadius.small, 0)
        XCTAssertGreaterThan(Design.CornerRadius.medium, 0)
        XCTAssertGreaterThan(Design.CornerRadius.large, 0)
    }
    
    func testAnimationDurationsArePositive() {
        XCTAssertGreaterThan(Design.Animation.quick, 0)
        XCTAssertGreaterThan(Design.Animation.standard, 0)
        XCTAssertGreaterThan(Design.Animation.springDuration, 0)
    }
    
    func testIconSizesArePositive() {
        XCTAssertGreaterThan(Design.IconSize.small, 0)
        XCTAssertGreaterThan(Design.IconSize.medium, 0)
        XCTAssertGreaterThan(Design.IconSize.large, 0)
    }
    
    func testMinimumTouchTargetMeetsHIG() {
        // Apple HIG requires minimum 44pt touch targets
        XCTAssertGreaterThanOrEqual(Design.HitTarget.minimum, 44)
    }
    
    // MARK: - Version Test
    
    func testVersionIsNotEmpty() {
        XCTAssertFalse(BedrockInfo.version.isEmpty)
    }
}