From cb3d3071057e304cbd16f4d4c4b93d7c1a3fb331 Mon Sep 17 00:00:00 2001
From: Andrei Maiboroda <andrei@ethereum.org>
Date: Tue, 9 Jul 2024 12:28:10 +0200
Subject: [PATCH] new(tests): Add test for invalid subcontainer kinds on a
 deeper nesting level

---
 .../test_subcontainer_validation.py           | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/tests/prague/eip7692_eof_v1/eip7620_eof_create/test_subcontainer_validation.py b/tests/prague/eip7692_eof_v1/eip7620_eof_create/test_subcontainer_validation.py
index b68896630f..e288073a10 100644
--- a/tests/prague/eip7692_eof_v1/eip7620_eof_create/test_subcontainer_validation.py
+++ b/tests/prague/eip7692_eof_v1/eip7620_eof_create/test_subcontainer_validation.py
@@ -228,6 +228,60 @@ def test_container_combos_invalid(
     )
 
 
+@pytest.mark.parametrize(
+    "code_section,first_sub_container,container_kind",
+    [
+        pytest.param(
+            eofcreate_code_section,
+            stop_sub_container,
+            ContainerKind.RUNTIME,
+            id="EOFCREATE/STOP",
+        ),
+        pytest.param(
+            eofcreate_code_section,
+            return_sub_container,
+            ContainerKind.RUNTIME,
+            id="EOFCREATE/RETURN",
+        ),
+        pytest.param(
+            returncontract_code_section,
+            returncontract_sub_container,
+            ContainerKind.INITCODE,
+            id="RETURNCONTRACT/RETURNCONTRACT",
+        ),
+    ],
+)
+def test_container_combos_deeply_nested_invalid(
+    eof_test: EOFTestFiller,
+    code_section: Section,
+    first_sub_container: Container,
+    container_kind: ContainerKind,
+):
+    """Test invalid subcontainer reference / opcode combos on a deep container nesting level"""
+    invalid_container = Container(
+        sections=[
+            code_section,
+            first_sub_container,
+        ],
+        kind=container_kind,
+    )
+
+    container = invalid_container
+    while len(container) < 0x6000:
+        container = Container(
+            sections=[
+                eofcreate_code_section,
+                Section.Container(container=container.copy()),
+            ],
+            kind=ContainerKind.INITCODE,
+        )
+
+    eof_test(
+        data=container,
+        expect_exception=EOFException.INCOMPATIBLE_CONTAINER_KIND,
+    )
+
+
 def test_container_both_kinds_same_sub(eof_test: EOFTestFiller):
     """Test subcontainer conflicts (both EOFCREATE and RETURNCONTRACT Reference)"""
     eof_test(