Test cases for package whitelisting and subclasses. Some are broken.

pom.xml

@@ -128,6 +128,15 @@
 
 	</build>
 
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+		</dependency>
+	</dependencies>
+
+
 	<scm>
 		<connection>scm:git:git@github.com:lukehutch/fast-classpath-scanner.git</connection>
 		<developerConnection>scm:git:git@github.com:lukehutch/fast-classpath-scanner.git</developerConnection>

src/test/java/io/github/lukehutch/fastclasspathscanner/FastClasspathScannerTest.java

@@ -0,0 +1,78 @@
+package io.github.lukehutch.fastclasspathscanner;
+
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+
+public class FastClasspathScannerTest {
+
+  @Test
+  public void scanAll() throws Exception {
+    final FastClasspathScanner scanner = new FastClasspathScanner() ;
+    scanner.scan() ;
+    final List< String > subclasses = scanner.getSubclassesOf( FastClasspathScannerTest.class ) ;
+
+    assertTrue( subclasses.size() > 0 ) ;
+    assertTrue( subclasses.contains( Subclass.class.getName() ) ) ;
+  }
+
+  @Test
+  public void scanWithWhitelist() throws Exception {
+    final FastClasspathScanner scanner = new FastClasspathScanner( PACKAGE_NAME ) ;
+    scanner.scan() ;
+    final List< String > subclasses = scanner.getSubclassesOf( FastClasspathScannerTest.class ) ;
+
+    assertTrue( subclasses.size() > 0 ) ;
+    assertTrue( subclasses.contains( Subclass.class.getName() ) ) ;
+  }
+
+  @Test
+  public void scanWithFileFilter() throws Exception {
+    final FastClasspathScanner scanner = new FastClasspathScanner() ;
+    scanner
+        .matchFilenamePattern(
+            ".*" + PACKAGE_NAME + "[$_a-zA-Z0-9]+\\.class",
+            ( absolutePath, relativePath, inputStream ) -> { }
+        )
+        .scan() ;
+    final List< String > subclasses = scanner.getSubclassesOf( FastClasspathScannerTest.class ) ;
+
+    assertTrue( subclasses.size() > 0 ) ;
+    assertTrue( subclasses.contains( Subclass.class.getName() ) ) ;
+  }
+
+  @Test
+  public void match() throws Exception {
+    final List< Class > collector = new ArrayList<>() ;
+    final FastClasspathScanner scanner = new FastClasspathScanner()
+        .matchSubclassesOf( FastClasspathScanner.class, collector::add )
+        ;
+    scanner.scan() ;
+
+    assertTrue( collector.size() > 0 ) ;
+    assertTrue( collector.contains( Subclass.class ) ) ;
+  }
+
+  @Test
+  public void matchWithWhitelist() throws Exception {
+    final List< Class > collector = new ArrayList<>() ;
+    final FastClasspathScanner scanner = new FastClasspathScanner( PACKAGE_NAME )
+        .matchSubclassesOf( FastClasspathScanner.class, collector::add )
+        ;
+    scanner.scan() ;
+
+    assertTrue( collector.size() > 0 ) ;
+    assertTrue( collector.contains( Subclass.class ) ) ;
+  }
+
+
+  public static class Subclass extends FastClasspathScannerTest { }
+
+  private static final String PACKAGE_NAME = FastClasspathScannerTest.class.getPackage().getName() ;
+
+
+}