Score conditions on array-valued fields, and fix two $bits defects

client-java/controller/src/main/java/org/evomaster/client/java/controller/mongo/selectors/BitsAllClearSelector.java

@@ -15,7 +15,10 @@ public class BitsAllClearSelector extends SingleConditionQuerySelector {
     @Override
     protected QueryOperation parseValue(String fieldName, Object value) {
         Objects.requireNonNull(fieldName);
-        return value instanceof Long ? new BitsAllClearOperation(fieldName, (Long) value) : null;
+        // MongoDB accepts any integer bitmask, so it can arrive as an Integer as well as a Long
+        return value instanceof Integer || value instanceof Long
+                ? new BitsAllClearOperation(fieldName, ((Number) value).longValue())
+                : null;
     }
 
     @Override

client-java/controller/src/main/java/org/evomaster/client/java/controller/mongo/selectors/BitsAllSetSelector.java

@@ -15,7 +15,10 @@ public class BitsAllSetSelector extends SingleConditionQuerySelector {
     @Override
     protected QueryOperation parseValue(String fieldName, Object value) {
         Objects.requireNonNull(fieldName);
-        return value instanceof Long ? new BitsAllSetOperation(fieldName, (Long) value) : null;
+        // MongoDB accepts any integer bitmask, so it can arrive as an Integer as well as a Long
+        return value instanceof Integer || value instanceof Long
+                ? new BitsAllSetOperation(fieldName, ((Number) value).longValue())
+                : null;
     }
 
     @Override

client-java/controller/src/main/java/org/evomaster/client/java/controller/mongo/selectors/BitsAnyClearSelector.java

@@ -15,7 +15,10 @@ public class BitsAnyClearSelector extends SingleConditionQuerySelector {
     @Override
     protected QueryOperation parseValue(String fieldName, Object value) {
         Objects.requireNonNull(fieldName);
-        return value instanceof Long ? new BitsAnyClearOperation(fieldName, (Long) value) : null;
+        // MongoDB accepts any integer bitmask, so it can arrive as an Integer as well as a Long
+        return value instanceof Integer || value instanceof Long
+                ? new BitsAnyClearOperation(fieldName, ((Number) value).longValue())
+                : null;
     }
 
     @Override

client-java/controller/src/main/java/org/evomaster/client/java/controller/mongo/selectors/BitsAnySetSelector.java

@@ -15,7 +15,10 @@ public class BitsAnySetSelector extends SingleConditionQuerySelector {
     @Override
     protected QueryOperation parseValue(String fieldName, Object value) {
         Objects.requireNonNull(fieldName);
-        return value instanceof Long ? new BitsAnySetOperation(fieldName, (Long) value) : null;
+        // MongoDB accepts any integer bitmask, so it can arrive as an Integer as well as a Long
+        return value instanceof Integer || value instanceof Long
+                ? new BitsAnySetOperation(fieldName, ((Number) value).longValue())
+                : null;
     }
 
     @Override

client-java/controller/src/test/java/org/evomaster/client/java/controller/mongo/QueryParserTest.java

@@ -1616,14 +1616,24 @@ void testParseInvalidBitwiseValues() {
         assertAll(
                 () -> assertInvalidQuery(
                         new Document("flags", new Document("$bitsAllClear", "5"))),
-                () -> assertInvalidQuery(new Document("flags", new Document("$bitsAllSet", 5))),
                 () -> assertInvalidQuery(
                         new Document("flags", new Document("$bitsAnyClear", true))),
                 () -> assertInvalidQuery(
                         new Document("flags", new Document("$bitsAnySet", new Document("bit", 1))))
         );
     }
 
+    @Test
+    void testParseBitwiseValuesAcceptsIntegerAndLongBitmasks() {
+        // MongoDB accepts any integer bitmask, so it can arrive as an Integer as well as a Long
+        assertTrue(parser.parse(
+                new Document("flags", new Document("$bitsAllSet", 5))) instanceof BitsAllSetOperation);
+        assertTrue(parser.parse(
+                new Document("flags", new Document("$bitsAllSet", 5L))) instanceof BitsAllSetOperation);
+        assertTrue(parser.parse(
+                new Document("flags", new Document("$bitsAnyClear", 5))) instanceof BitsAnyClearOperation);
+    }
+
     @Test
     void testParseNearSphereWithoutOptionalDistances() {
         Document geometry = new Document("type", "Point")

core-tests/e2e-tests/spring/spring-rest-mongo/src/main/java/com/mongo/mongoqueries/MongoQueriesController.java

@@ -155,6 +155,34 @@ public ResponseEntity<Void> findAll() {
         return executeQuery(new Document("tags", new Document("$all", Arrays.asList("a", "b"))));
     }
 
+    /**
+     * "name" holds a string, so it is of a different, incomparable BSON type than the
+     * number being compared against. MongoDB considers such values different, so $ne holds.
+     */
+    @GetMapping("neCrossType")
+    public ResponseEntity<Void> findNeCrossType() {
+        return executeQuery(new Document("name", new Document("$ne", 42)));
+    }
+
+    /**
+     * "tags" holds an array, so $nin must look at its elements: only a document whose
+     * array does not hold "a" satisfies this.
+     */
+    @GetMapping("ninArrayField")
+    public ResponseEntity<Void> findNinArrayField() {
+        return executeQuery(new Document("tags", new Document("$nin", Arrays.asList("a"))));
+    }
+
+    /**
+     * $exists with "false" matches a document in which the field is absent, so negating it
+     * must match only the documents that do have the field.
+     */
+    @GetMapping("notExistsFalse")
+    public ResponseEntity<Void> findNotExistsFalse() {
+        return executeQuery(new Document("description",
+                new Document("$not", new Document("$exists", false))));
+    }
+
     @GetMapping("type")
     public ResponseEntity<Void> findType() {
         return executeQuery(new Document("name", new Document("$type", 2)));

core-tests/e2e-tests/spring/spring-rest-mongo/src/test/java/org/evomaster/e2etests/spring/rest/mongo/mongoqueries/MongoQueriesEMTest.java

@@ -57,6 +57,9 @@ public void testRunEM() throws Throwable {
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/bitsAllSet", null);
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/bitsAnyClear", null);
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/all", null);
+                    assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/neCrossType", null);
+                    assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/ninArrayField", null);
+                    assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/notExistsFalse", null);
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/type", null);
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/exists", null);
                     assertHasAtLeastOne(solution, HttpVerb.GET, 200, "/mongoqueries/nor", null);