diff --git a/sbt-test/FileNameConsistent/test-1/.scalafix.conf b/sbt-test/FileNameConsistent/test-1/.scalafix.conf
new file mode 100644
index 0000000..4cb744e
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/.scalafix.conf
@@ -0,0 +1,3 @@
+rules = [
+  FileNameConsistent
+]
diff --git a/sbt-test/FileNameConsistent/test-1/build.sbt b/sbt-test/FileNameConsistent/test-1/build.sbt
new file mode 100644
index 0000000..856724a
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/build.sbt
@@ -0,0 +1 @@
+ThisBuild / scalafixDependencies += "com.github.xuwei-k" %% "scalafix-rules" % sys.props("scalafix-rules.version")
diff --git a/sbt-test/FileNameConsistent/test-1/expect.json b/sbt-test/FileNameConsistent/test-1/expect.json
new file mode 100644
index 0000000..dc18563
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/expect.json
@@ -0,0 +1,12 @@
+[{
+  "message": "[FileNameConsistent] inconsistent file name and class name. names = [Y]",
+  "position": {
+    "line": 3,
+    "lineContent": "class Y",
+    "sourcePath": "${BASE}/src/main/scala/a/X.scala",
+    "startLine": 3,
+    "startColumn": 0,
+    "endLine": 3,
+    "endColumn": 7
+  }
+}]
diff --git a/sbt-test/FileNameConsistent/test-1/project/plugins.sbt b/sbt-test/FileNameConsistent/test-1/project/plugins.sbt
new file mode 100644
index 0000000..d0901b9
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/project/plugins.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % sys.props("scalafix.version"))
+addSbtPlugin("com.github.xuwei-k" % "warning-diff-scalafix-plugin" % "0.6.0")
diff --git a/sbt-test/FileNameConsistent/test-1/src/main/scala/a/A.scala b/sbt-test/FileNameConsistent/test-1/src/main/scala/a/A.scala
new file mode 100644
index 0000000..1f82d61
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/src/main/scala/a/A.scala
@@ -0,0 +1,3 @@
+package a
+
+object A
diff --git a/sbt-test/FileNameConsistent/test-1/src/main/scala/a/X.scala b/sbt-test/FileNameConsistent/test-1/src/main/scala/a/X.scala
new file mode 100644
index 0000000..bb00dba
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/src/main/scala/a/X.scala
@@ -0,0 +1,3 @@
+package a
+
+class Y
diff --git a/sbt-test/FileNameConsistent/test-1/test b/sbt-test/FileNameConsistent/test-1/test
new file mode 100644
index 0000000..c0de808
--- /dev/null
+++ b/sbt-test/FileNameConsistent/test-1/test
@@ -0,0 +1,2 @@
+> warningsAll
+$ must-mirror target/warnings/warnings.json expect.json