Minor PMD fixes

elf/src/main/java/com/ledmington/elf/ELFParser.java

@@ -64,6 +64,12 @@ public final class ELFParser {
 
 	private ELFParser() {}
 
+	/**
+	 * Parses the given file and returns an {@link ELF} file object.
+	 *
+	 * @param filename The name of the file to be parsed.
+	 * @return An ELF file object.
+	 */
 	public static ELF parse(final String filename) {
 		final File file = new File(filename);
 		if (!file.exists()) {

elf/src/main/java/com/ledmington/elf/section/note/GnuPropertyType.java

@@ -161,10 +161,20 @@ public enum GnuPropertyType {
 		this(code, "UNKNOWN");
 	}
 
+	/**
+	 * Returns the 32-bit code of this GNU property type.
+	 *
+	 * @return The 32-bit code of this GNU property type.
+	 */
 	public int getCode() {
 		return code;
 	}
 
+	/**
+	 * Returns a String with the description of this type as GNU's <code>readelf</code> would print it.
+	 *
+	 * @return The description of this type.
+	 */
 	public String getDescription() {
 		return description;
 	}

emu/src/test/java/com/ledmington/emu/TestEmulation.java

@@ -17,6 +17,8 @@
  */
 package com.ledmington.emu;
 
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
 import java.net.URISyntaxException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -25,18 +27,18 @@
 import org.junit.jupiter.api.Test;
 
 /** End-to-end testing emulating entire executables. */
-public final class TestEmulation {
+final class TestEmulation {
 
 	@Test
 	void doNothing() {
 		final Path p;
 		try {
-			p = Paths.get(
-					Objects.requireNonNull(this.getClass().getClassLoader().getResource("do_nothing.elf"))
-							.toURI());
+			p = Paths.get(Objects.requireNonNull(
+							Thread.currentThread().getContextClassLoader().getResource("do_nothing.elf"))
+					.toURI());
 		} catch (final URISyntaxException e) {
 			throw new RuntimeException(e);
 		}
-		Emu.run(p.toString());
+		assertDoesNotThrow(() -> Emu.run(p.toString()));
 	}
 }