Java: Improve the inspection "Multiple occurrences of the same expression" (IDEA-207247)

java/java-tests/testData/inspection/duplicateExpressions/File.java

@@ -0,0 +1,18 @@
+import java.io.*;
+
+class C {
+  void testConstructor(String path) {
+    File a = <weak_warning descr="Multiple occurrences of 'new File(path)'">new File(path)</weak_warning>;
+    File b = <weak_warning descr="Multiple occurrences of 'new File(path)'">new File(path)</weak_warning>;
+  }
+
+  void testMethods(String path) throws IOException {
+    File f = new File(path);
+
+    boolean a = f.createNewFile();
+    boolean b = f.createNewFile();
+
+    boolean c = f.delete();
+    boolean d = f.delete();
+  }
+}