content: package com.termux.terminal;
  
  import junit.framework.TestCase;
  
  public class TextStyleTest extends TestCase {
  
  	private static final int[] ALL_EFFECTS = new int[]{0, TextStyle.CHARACTER_ATTRIBUTE_BOLD, TextStyle.CHARACTER_ATTRIBUTE_ITALIC,
  			TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE, TextStyle.CHARACTER_ATTRIBUTE_BLINK, TextStyle.CHARACTER_ATTRIBUTE_INVERSE,
  			TextStyle.CHARACTER_ATTRIBUTE_INVISIBLE, TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH, TextStyle.CHARACTER_ATTRIBUTE_PROTECTED,
  			TextStyle.CHARACTER_ATTRIBUTE_DIM};
  
  	public void testEncodingSingle() {
  		for (int fx : ALL_EFFECTS) {
  			for (int fg = 0; fg < TextStyle.NUM_INDEXED_COLORS; fg++) {
  				for (int bg = 0; bg < TextStyle.NUM_INDEXED_COLORS; bg++) {
  					long encoded = TextStyle.encode(fg, bg, fx);
  					assertEquals(fg, TextStyle.decodeForeColor(encoded));
  					assertEquals(bg, TextStyle.decodeBackColor(encoded));
  					assertEquals(fx, TextStyle.decodeEffect(encoded));
  				}
  			}
  		}
  	}
  
  	public void testEncoding24Bit() {
  		int[] values = {255, 240, 127, 1, 0};
  		for (int red : values) {
  			for (int green : values) {
  				for (int blue : values) {
  					int argb = 0xFF000000 | (red << 16) | (green << 8) | blue;
  					long encoded = TextStyle.encode(argb, 0, 0);
  					assertEquals(argb, TextStyle.decodeForeColor(encoded));
  					encoded = TextStyle.encode(0, argb, 0);
  					assertEquals(argb, TextStyle.decodeBackColor(encoded));
  				}
  			}
  		}
  	}
  
  
  	public void testEncodingCombinations() {
  		for (int f1 : ALL_EFFECTS) {
  			for (int f2 : ALL_EFFECTS) {
  				int combined = f1 | f2;
  				assertEquals(combined, TextStyle.decodeEffect(TextStyle.encode(0, 0, combined)));
  			}
  		}
  	}
  
  	public void testEncodingStrikeThrough() {
  		long encoded = TextStyle.encode(TextStyle.COLOR_INDEX_FOREGROUND, TextStyle.COLOR_INDEX_BACKGROUND,
  				TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH);
  		assertTrue((TextStyle.decodeEffect(encoded) & TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH) != 0);
  	}
  
  	public void testEncodingProtected() {
  		long encoded = TextStyle.encode(TextStyle.COLOR_INDEX_FOREGROUND, TextStyle.COLOR_INDEX_BACKGROUND,
  				TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH);
  		assertEquals(0, (TextStyle.decodeEffect(encoded) & TextStyle.CHARACTER_ATTRIBUTE_PROTECTED));
  		encoded = TextStyle.encode(TextStyle.COLOR_INDEX_FOREGROUND, TextStyle.COLOR_INDEX_BACKGROUND,
  				TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH | TextStyle.CHARACTER_ATTRIBUTE_PROTECTED);
  		assertTrue((TextStyle.decodeEffect(encoded) & TextStyle.CHARACTER_ATTRIBUTE_PROTECTED) != 0);
  	}
  
  }
  