       XCTAssertTrue(b-1...b+1 ~= b_p3)
       XCTAssertTrue(a == a_p3)
     }
-    
+
   }
 
   func test_randomColor() {


class ColorUtilsTests: XCTestCase {

  func test_rgba8bit() {
    
    do {
      let red = Color.red // 1.0, 0.0, 0.0
      XCTAssertNotNil(red.rgba8Bit)

    #else
      XCTAssert(colorSpaceName! == CGColorSpace.sRGB)
    #endif
    
  }
  
}
