Initial commit

app/src/test/java/com/termux/terminal/TextStyleTest.java

@@ -0,0 +1,49 @@
+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++) {
+					int encoded = TextStyle.encode(fg, bg, fx);
+					assertEquals(fg, TextStyle.decodeForeColor(encoded));
+					assertEquals(bg, TextStyle.decodeBackColor(encoded));
+					assertEquals(fx, TextStyle.decodeEffect(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() {
+		int 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() {
+		int encoded = TextStyle.encode(TextStyle.COLOR_INDEX_FOREGROUND, TextStyle.COLOR_INDEX_BACKGROUND,
+				TextStyle.CHARACTER_ATTRIBUTE_STRIKETHROUGH);
+		assertTrue((TextStyle.decodeEffect(encoded) & TextStyle.CHARACTER_ATTRIBUTE_PROTECTED) == 0);
+		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);
+	}
+
+}