diff --git a/tested/oracles/value.py b/tested/oracles/value.py
index 08c33927..e86d0c3a 100644
--- a/tested/oracles/value.py
+++ b/tested/oracles/value.py
@@ -233,9 +233,10 @@ def _check_data_type(
             prepared_actual.data if isinstance(prepared_actual.data, list) else []
         )
         prepared_elements = []
-        for expected_element, actual_element in zip(expected_elements, actual_elements):
+        for i, expected_element in enumerate(expected_elements):
             expected_key, expected_value = expected_element.key, expected_element.value
             assert isinstance(expected_key, Value) and isinstance(expected_value, Value)
+            actual_element = actual_elements[i] if i < len(actual_elements) else None
 
             # Handle the case where the elements are not part of a map.
             # For example, the actual value is a list.
diff --git a/tests/test_oracles_builtin.py b/tests/test_oracles_builtin.py
index 1db3688b..7e21ffa0 100644
--- a/tests/test_oracles_builtin.py
+++ b/tests/test_oracles_builtin.py
@@ -769,3 +769,174 @@ def test_map_and_list_works(tmp_path: Path, pytestconfig: pytest.Config):
     config = oracle_config(tmp_path, pytestconfig, language="javascript")
     result = evaluate_value(config, channel, actual_value)
     assert result.result.enum == Status.WRONG
+
+
+def test_empty_map_is_not_accepted(tmp_path: Path, pytestconfig: pytest.Config):
+    channel = ValueOutputChannel(
+        value=ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+
+    actual_value = get_converter().dumps(ObjectType(type=BasicObjectTypes.MAP, data=[]))
+    config = oracle_config(tmp_path, pytestconfig, language="javascript")
+    result = evaluate_value(config, channel, actual_value)
+    assert result.result.enum == Status.WRONG
+
+
+def test_smaller_map_is_not_accepted(tmp_path: Path, pytestconfig: pytest.Config):
+    channel = ValueOutputChannel(
+        value=ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+
+    actual_value = get_converter().dumps(
+        ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+            ],
+        )
+    )
+    config = oracle_config(tmp_path, pytestconfig, language="javascript")
+    result = evaluate_value(config, channel, actual_value)
+    assert result.result.enum == Status.WRONG
+
+
+def test_bigger_map_is_not_accepted(tmp_path: Path, pytestconfig: pytest.Config):
+    channel = ValueOutputChannel(
+        value=ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+
+    actual_value = get_converter().dumps(
+        ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="b"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+    config = oracle_config(tmp_path, pytestconfig, language="javascript")
+    result = evaluate_value(config, channel, actual_value)
+    assert result.result.enum == Status.WRONG
+
+
+def test_exact_map_is_accepted(tmp_path: Path, pytestconfig: pytest.Config):
+    channel = ValueOutputChannel(
+        value=ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+
+    actual_value = get_converter().dumps(
+        ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+    config = oracle_config(tmp_path, pytestconfig, language="javascript")
+    result = evaluate_value(config, channel, actual_value)
+    assert result.result.enum == Status.CORRECT
+
+
+def test_wrong_map_is_accepted(tmp_path: Path, pytestconfig: pytest.Config):
+    channel = ValueOutputChannel(
+        value=ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="d"),
+                ),
+            ],
+        )
+    )
+
+    actual_value = get_converter().dumps(
+        ObjectType(
+            type=BasicObjectTypes.MAP,
+            data=[
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="a"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="b"),
+                ),
+                ObjectKeyValuePair(
+                    key=StringType(type=BasicStringTypes.TEXT, data="c"),
+                    value=StringType(type=BasicStringTypes.TEXT, data="wrong"),
+                ),
+            ],
+        )
+    )
+    config = oracle_config(tmp_path, pytestconfig, language="javascript")
+    result = evaluate_value(config, channel, actual_value)
+    assert result.result.enum == Status.WRONG