From 40ab2dd1e296b49ba83781fa5f02483cd359de4d Mon Sep 17 00:00:00 2001
From: jonny rhea <jonathan.rhea@gmail.com>
Date: Sat, 7 Feb 2026 16:46:19 -0600
Subject: [PATCH] core/vm: add missing test case from eip

---
 core/vm/instructions_test.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/vm/instructions_test.go b/core/vm/instructions_test.go
index 7154983f4a..5152b56406 100644
--- a/core/vm/instructions_test.go
+++ b/core/vm/instructions_test.go
@@ -1079,6 +1079,11 @@ func TestEIP8024_Execution(t *testing.T) {
 			codeHex: "600456e65b",
 			wantErr: nil,
 		},
+		{
+			name:    "UNDERFLOW_DUPN",
+			codeHex: "6000808080808080808080808080808080e600",
+			wantErr: &ErrStackUnderflow{},
+		},
 		// Additional test cases
 		{
 			name:    "INVALID_DUPN_LOW",