diff --git a/jadx-core/src/test/java/jadx/tests/api/IntegrationTest.java b/jadx-core/src/test/java/jadx/tests/api/IntegrationTest.java
index 7d25c30e1..fd2fb167f 100644
--- a/jadx-core/src/test/java/jadx/tests/api/IntegrationTest.java
+++ b/jadx-core/src/test/java/jadx/tests/api/IntegrationTest.java
@@ -81,6 +81,14 @@ public abstract class IntegrationTest extends TestUtils {
 		args.setFsCaseSensitive(false); // use same value on all systems
 	}
 
+	public String getTestName() {
+		return this.getClass().getSimpleName();
+	}
+
+	public String getTestPkg() {
+		return this.getClass().getPackage().getName().replace("jadx.tests.integration.", "");
+	}
+
 	public ClassNode getClassNode(Class<?> clazz) {
 		try {
 			File jar = getJarForClass(clazz);
diff --git a/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java b/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
index 5c88cddd1..adada4db4 100644
--- a/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
+++ b/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
@@ -11,7 +11,9 @@ import org.jf.smali.Smali;
 import org.jf.smali.SmaliOptions;
 
 import jadx.api.JadxDecompiler;
+import jadx.api.JadxInternalAccess;
 import jadx.core.dex.nodes.ClassNode;
+import jadx.core.dex.nodes.RootNode;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.notNullValue;
@@ -47,16 +49,17 @@ public abstract class SmaliTest extends IntegrationTest {
 		return getClassNodeFromFile(outDex, pkg + '.' + clsName);
 	}
 
-	protected JadxDecompiler loadSmaliFile(String pkg, String smaliFileName) {
+	protected List<ClassNode> loadFromSmaliFiles() {
 		File outDex = createTempFile(".dex");
-		compileSmali(outDex, Collections.singletonList(getSmaliFile(pkg + File.separatorChar + smaliFileName)));
-		return loadFiles(Collections.singletonList(outDex));
-	}
+		compileSmali(outDex, collectSmaliFiles(getTestPkg(), getTestName()));
 
-	protected JadxDecompiler loadSmaliFiles(String pkg, String testNameDir) {
-		File outDex = createTempFile(".dex");
-		compileSmali(outDex, collectSmaliFiles(pkg, testNameDir));
-		return loadFiles(Collections.singletonList(outDex));
+		JadxDecompiler d = loadFiles(Collections.singletonList(outDex));
+		RootNode root = JadxInternalAccess.getRoot(d);
+		List<ClassNode> classes = root.getClasses(false);
+		for (ClassNode cls : classes) {
+			decompileAndCheckCls(d, cls);
+		}
+		return classes;
 	}
 
 	private List<File> collectSmaliFiles(String pkg, @Nullable String testDir) {
@@ -68,7 +71,7 @@ public abstract class SmaliTest extends IntegrationTest {
 		}
 		File smaliDir = new File(SMALI_TESTS_DIR, smaliFilesDir);
 		String[] smaliFileNames = smaliDir.list((dir, name) -> name.endsWith(".smali"));
-		assertThat("Smali files not found", smaliFileNames, notNullValue());
+		assertThat("Smali files not found in " + smaliDir, smaliFileNames, notNullValue());
 		return Arrays.stream(smaliFileNames)
 				.map(file -> new File(smaliDir, file))
 				.collect(Collectors.toList());
diff --git a/jadx-core/src/test/java/jadx/tests/integration/names/TestCaseSensitiveChecks.java b/jadx-core/src/test/java/jadx/tests/integration/names/TestCaseSensitiveChecks.java
new file mode 100644
index 000000000..3100e96eb
--- /dev/null
+++ b/jadx-core/src/test/java/jadx/tests/integration/names/TestCaseSensitiveChecks.java
@@ -0,0 +1,60 @@
+package jadx.tests.integration.names;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.Test;
+
+import jadx.core.Consts;
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.SmaliTest;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.emptyString;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+
+public class TestCaseSensitiveChecks extends SmaliTest {
+	/*
+		public class A {}
+		public class a {}
+	*/
+
+	@Test
+	public void test() {
+		args.setFsCaseSensitive(false);
+
+		List<ClassNode> classes = loadFromSmaliFiles();
+		for (ClassNode cls : classes) {
+			assertThat(cls.getPackage(), is(Consts.DEFAULT_PACKAGE_NAME));
+		}
+		long namesCount = classes.stream().map(cls -> cls.getShortName().toLowerCase()).distinct().count();
+		assertThat(namesCount, is(2L));
+	}
+
+	@Test
+	public void testCaseSensitiveFS() {
+		args.setFsCaseSensitive(true);
+
+		List<ClassNode> classes = loadFromSmaliFiles();
+		for (ClassNode cls : classes) {
+			assertThat(cls.getPackage(), is(Consts.DEFAULT_PACKAGE_NAME));
+		}
+		List<String> names = classes.stream().map(ClassNode::getShortName).collect(Collectors.toList());
+		assertThat(names, Matchers.containsInAnyOrder("A", "a"));
+	}
+
+	@Test
+	public void testWithDeobfuscation() {
+		enableDeobfuscation();
+
+		List<ClassNode> classes = loadFromSmaliFiles();
+		for (ClassNode cls : classes) {
+			assertThat(cls.getPackage(), not(emptyString()));
+			assertThat(cls.getPackage(), not(Consts.DEFAULT_PACKAGE_NAME));
+		}
+		long namesCount = classes.stream().map(cls -> cls.getShortName().toLowerCase()).distinct().count();
+		assertThat(namesCount, is(2L));
+	}
+}
diff --git a/jadx-core/src/test/java/jadx/tests/integration/names/TestClassNameWithInvalidChar.java b/jadx-core/src/test/java/jadx/tests/integration/names/TestClassNameWithInvalidChar.java
index 7d0a98f88..263704f10 100644
--- a/jadx-core/src/test/java/jadx/tests/integration/names/TestClassNameWithInvalidChar.java
+++ b/jadx-core/src/test/java/jadx/tests/integration/names/TestClassNameWithInvalidChar.java
@@ -2,10 +2,6 @@ package jadx.tests.integration.names;
 
 import org.junit.jupiter.api.Test;
 
-import jadx.api.JadxDecompiler;
-import jadx.api.JadxInternalAccess;
-import jadx.core.dex.nodes.ClassNode;
-import jadx.core.dex.nodes.RootNode;
 import jadx.tests.api.SmaliTest;
 
 public class TestClassNameWithInvalidChar extends SmaliTest {
@@ -16,21 +12,12 @@ public class TestClassNameWithInvalidChar extends SmaliTest {
 
 	@Test
 	public void test() {
-		JadxDecompiler d = loadSmaliFiles("names", "TestClassNameWithInvalidChar");
-		RootNode root = JadxInternalAccess.getRoot(d);
-		for (ClassNode cls : root.getClasses(false)) {
-			decompileAndCheckCls(d, cls);
-		}
+		loadFromSmaliFiles();
 	}
 
 	@Test
 	public void testWithDeobfuscation() {
 		enableDeobfuscation();
-
-		JadxDecompiler d = loadSmaliFiles("names", "TestClassNameWithInvalidChar");
-		RootNode root = JadxInternalAccess.getRoot(d);
-		for (ClassNode cls : root.getClasses(false)) {
-			decompileAndCheckCls(d, cls);
-		}
+		loadFromSmaliFiles();
 	}
 }
diff --git a/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/1.smali b/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/1.smali
new file mode 100644
index 000000000..20ee4595f
--- /dev/null
+++ b/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/1.smali
@@ -0,0 +1,2 @@
+.class public LA;
+.super Ljava/lang/Object;
diff --git a/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/2.smali b/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/2.smali
new file mode 100644
index 000000000..417d2b550
--- /dev/null
+++ b/jadx-core/src/test/smali/names/TestCaseSensitiveChecks/2.smali
@@ -0,0 +1,2 @@
+.class public La;
+.super Ljava/lang/Object;