Merge "Add tests for java.nio.spi.FileTypeDetector"
diff --git a/luni/src/test/java/libcore/java/nio/file/spi/FileTypeDetectorTest.java b/luni/src/test/java/libcore/java/nio/file/spi/FileTypeDetectorTest.java
new file mode 100644
index 0000000..bf6c6b7
--- /dev/null
+++ b/luni/src/test/java/libcore/java/nio/file/spi/FileTypeDetectorTest.java
@@ -0,0 +1,22 @@
+package libcore.java.nio.file.spi;
+
+import org.junit.Test;
+
+import java.nio.file.Paths;
+import java.nio.file.spi.FileTypeDetector;
+
+import static org.junit.Assert.assertEquals;
+
+public class FileTypeDetectorTest {
+
+    @Test
+    public void test_probeFileType() throws Exception {
+        FileTypeDetector defaultFileTypeDetector = sun.nio.fs.DefaultFileTypeDetector.create();
+        // The method uses file extensions to deduce mime type, therefore, it doesn't check for
+        // file existence.
+        assertEquals("text/plain",
+                defaultFileTypeDetector.probeContentType(Paths.get("file.txt")));
+        assertEquals("text/x-java",
+                defaultFileTypeDetector.probeContentType(Paths.get("file.java")));
+    }
+}