package jalview.schemes;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNull;
import static org.testng.AssertJUnit.assertSame;

import java.awt.Color;

import org.testng.annotations.Test;

public class UserColourSchemeTest
{

  @Test(groups = "Functional")
  public void testGetColourFromString()
  {
    /*
     * by colour name - if known to AWT, and included in
     * 
     * @see ColourSchemeProperty.getAWTColorFromName()
     */
    assertSame(Color.RED, UserColourScheme.getColourFromString("red"));
    assertSame(Color.RED, UserColourScheme.getColourFromString("Red"));
    assertSame(Color.RED, UserColourScheme.getColourFromString(" RED "));

    /*
     * by RGB hex code
     */
    String hexColour = Integer.toHexString(Color.RED.getRGB() & 0xffffff);
    assertEquals(Color.RED, UserColourScheme.getColourFromString(hexColour));
    // 'hex' prefixes _not_ wanted here
    assertNull(UserColourScheme.getColourFromString("0x" + hexColour));
    assertNull(UserColourScheme.getColourFromString("#" + hexColour));

    /*
     * by RGB triplet
     */
    String rgb = String.format("%d,%d,%d", Color.red.getRed(),
            Color.red.getGreen(), Color.red.getBlue());
    assertEquals(Color.RED, UserColourScheme.getColourFromString(rgb));

    /*
     * odds and ends
     */
    assertNull(UserColourScheme.getColourFromString(null));
    assertNull(UserColourScheme.getColourFromString("rubbish"));
    assertEquals(Color.WHITE, UserColourScheme.getColourFromString("-1"));
    assertNull(UserColourScheme.getColourFromString(String
            .valueOf(Integer.MAX_VALUE)));
  }
}