test: add unit test suite for AutoComplete module

.github/workflows/gradle.yml

@@ -37,4 +37,13 @@ jobs:
       # Note: Assumes we're running on Ubuntu
       # https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
       - name: Build with Gradle
-        run: xvfb-run ./gradlew build -xsign -xpublish --warning-mode all
+        run: xvfb-run ./gradlew build jacocoTestReport -xsign -xpublish --warning-mode all
+
+      - name: Submit coverage data to codecov
+        uses: codecov/codecov-action@v7
+        if: matrix.java == '25'
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          disable_search: true
+          files: ./AutoComplete/build/reports/jacoco/test/jacocoTestReport.xml
+          name: codecov

AutoComplete/build.gradle

@@ -2,7 +2,7 @@ plugins {
     id 'java-library'
 }
 
-['base', 'distribution', 'maven-publish', 'signing'].each { apply plugin: it }
+['base', 'jacoco', 'distribution', 'maven-publish', 'signing'].each { apply plugin: it }
 
 base {
     archivesName = 'autocomplete'
@@ -14,6 +14,13 @@ dependencies {
 
 ext.isReleaseVersion = !project.version.endsWith('SNAPSHOT')
 
+jacocoTestReport {
+    reports {
+        xml.required = true // codecov depends on xml format report
+        html.required = true
+    }
+}
+
 java {
     withSourcesJar()
     withJavadocJar()

AutoComplete/src/main/java/org/fife/ui/autocomplete/AutoCompletion.java

@@ -349,7 +349,7 @@ protected void fireAutoCompletionEvent(AutoCompletionEvent.Type type) {
 	 * @see #setAutoActivationDelay(int)
 	 */
 	public int getAutoActivationDelay() {
-		return autoActivationListener.timer.getDelay();
+		return autoActivationListener.timer.getInitialDelay();
 	}
 
 

AutoComplete/src/main/java/org/fife/ui/autocomplete/AutoCompletionStyleContext.java

@@ -5,16 +5,39 @@
 package org.fife.ui.autocomplete;
 
 import java.awt.Color;
+import javax.swing.UIManager;
+import javax.swing.plaf.ColorUIResource;
 
 
 /**
- * Manages the colors shared across the library.
+ * Manages the colors shared across the library.  Default colors may be
+ * overridden by a {@code LookAndFeel} by registering a {@link Color} in
+ * {@link UIManager} under the relevant key.
  *
  * @author Robert Futrell
  * @version 1.0
  */
 public class AutoCompletionStyleContext {
 
+	/**
+	 * The {@link UIManager} key for the color used to denote the ending
+	 * caret position for parameterized completions.
+	 */
+	public static final String PROPERTY_PARAMETERIZED_COMPLETION_CURSOR_POSITION_COLOR =
+		"autocomplete.parameterizedCompletionCursorPositionColor";
+
+	/**
+	 * The {@link UIManager} key for the color used to highlight copies of
+	 * editable parameters in parameterized completions.
+	 */
+	public static final String PROPERTY_PARAMETER_COPY_COLOR = "autocomplete.parameterCopyColor";
+
+	/**
+	 * The {@link UIManager} key for the color of the outline highlight used
+	 * to denote editable parameters in parameterized completions.
+	 */
+	public static final String PROPERTY_PARAMETER_OUTLINE_COLOR = "autocomplete.parameterOutlineColor";
+
 	/**
 	 * The color used to denote the ending caret position for parameterized
 	 * completions.
@@ -38,9 +61,30 @@ public class AutoCompletionStyleContext {
 	 * Constructor.
 	 */
 	public AutoCompletionStyleContext() {
-		setParameterOutlineColor(Color.GRAY);
-		setParameterCopyColor(new Color(0xb4d7ff));
-		setParameterizedCompletionCursorPositionColor(new Color(0x00b400));
+		setParameterOutlineColor(getDefaultColor(PROPERTY_PARAMETER_OUTLINE_COLOR, Color.GRAY));
+		setParameterCopyColor(getDefaultColor(PROPERTY_PARAMETER_COPY_COLOR, new Color(0xb4d7ff)));
+		setParameterizedCompletionCursorPositionColor(
+			getDefaultColor(PROPERTY_PARAMETERIZED_COMPLETION_CURSOR_POSITION_COLOR, new Color(0x00b400)));
+	}
+
+
+	/**
+	 * Returns the color registered in {@link UIManager} under the specified
+	 * key, or the specified default if none is registered.  If no color is
+	 * registered, {@code fallback} is cached in {@code UIManager} under
+	 * {@code key} for future lookups.
+	 *
+	 * @param key The {@link UIManager} key to check.
+	 * @param fallback The color to use, and cache, if none is registered.
+	 * @return The color to use.
+	 */
+	private static Color getDefaultColor(String key, Color fallback) {
+		Color color = UIManager.getColor(key);
+		if (color == null) {
+			color = new ColorUIResource(fallback);
+			UIManager.put(key, color);
+		}
+		return color;
 	}
 
 

AutoComplete/src/main/java/org/fife/ui/autocomplete/SizeGrip.java

@@ -13,22 +13,21 @@
 import java.awt.Point;
 import java.awt.Window;
 import java.awt.event.MouseEvent;
-import java.io.File;
 import java.io.IOException;
-import java.net.MalformedURLException;
 import java.net.URL;
 import javax.imageio.ImageIO;
 import javax.swing.JPanel;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.event.MouseInputAdapter;
 
+import org.fife.ui.rsyntaxtextarea.OS;
+
 
 /**
  * A component that allows its parent window to be resizable, similar to the
  * size grip seen on status bars.  This is essentially a copy of the class with
- * the same name in RSyntaxTextArea, but is duplicated to prevent a dependency
- * on that library.
+ * the same name in RSyntaxTextArea.
  *
  * @author Robert Futrell
  * @version 1.0
@@ -70,21 +69,8 @@ public void applyComponentOrientation(ComponentOrientation o) {
 	private Image createOSXSizeGrip() {
 		ClassLoader cl = getClass().getClassLoader();
 		URL url = cl.getResource("org/fife/ui/autocomplete/osx_sizegrip.png");
-		if (url==null) {
-			// We're not running in a jar - we may be debugging in Eclipse,
-			// for example
-			File f = new File("../AutoComplete/src/org/fife/ui/autocomplete/osx_sizegrip.png");
-			if (f.isFile()) {
-				try {
-					url = f.toURI().toURL();
-				} catch (MalformedURLException mue) { // Never happens
-					mue.printStackTrace();
-					return null;
-				}
-			}
-			else {
-				return null; // Can't find resource or image file
-			}
+		if (url == null) {
+			return null;
 		}
 		Image image = null;
 		try {
@@ -178,7 +164,7 @@ public void updateUI() {
 		super.updateUI();
 		// TODO: Key off of Aqua LaF, not just OS X, as this size grip looks
 		// bad on other LaFs on Mac such as Nimbus.
-		if (System.getProperty("os.name").contains("OS X")) {
+		if (OS.get() == OS.MAC_OS_X) {
 			if (osxSizeGrip==null) {
 				osxSizeGrip = createOSXSizeGrip();
 			}