From 9952124e1ebb58e4e9efd0defa4154bf9db57b92 Mon Sep 17 00:00:00 2001
From: Ebina Perelyn Okoh <okohebina@gmail.com>
Date: Mon, 27 Oct 2025 19:24:18 +0100
Subject: [PATCH] add rust litesvm test for close account example

---
 Cargo.lock                                    |  6 ++
 .../close-account/native/program/Cargo.toml   |  8 ++
 .../native/program/tests/test.rs              | 73 +++++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 basics/close-account/native/program/tests/test.rs

diff --git a/Cargo.lock b/Cargo.lock
index f4696c4a..e3f78040 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -876,8 +876,14 @@ version = "0.1.0"
 dependencies = [
  "borsh 1.5.7",
  "borsh-derive 1.5.7",
+ "litesvm",
+ "solana-instruction 3.0.0",
+ "solana-keypair",
+ "solana-native-token 3.0.0",
  "solana-program 3.0.0",
+ "solana-pubkey 3.0.0",
  "solana-system-interface 2.0.0",
+ "solana-transaction",
 ]
 
 [[package]]
diff --git a/basics/close-account/native/program/Cargo.toml b/basics/close-account/native/program/Cargo.toml
index 419687a7..8122abd2 100644
--- a/basics/close-account/native/program/Cargo.toml
+++ b/basics/close-account/native/program/Cargo.toml
@@ -19,3 +19,11 @@ custom-panic = []
 
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_os, values("solana"))'] }
+
+[dev-dependencies]
+litesvm = "0.8.1"
+solana-instruction = "3.0.0"
+solana-keypair = "3.0.1"
+solana-native-token = "3.0.0"
+solana-pubkey = "3.0.0"
+solana-transaction = "3.0.1"
diff --git a/basics/close-account/native/program/tests/test.rs b/basics/close-account/native/program/tests/test.rs
new file mode 100644
index 00000000..b4ca5a98
--- /dev/null
+++ b/basics/close-account/native/program/tests/test.rs
@@ -0,0 +1,73 @@
+use close_account_native_program::state::user::User;
+use litesvm::LiteSVM;
+use solana_instruction::{AccountMeta, Instruction};
+use solana_keypair::{Keypair, Signer};
+use solana_native_token::LAMPORTS_PER_SOL;
+use solana_pubkey::Pubkey;
+use solana_transaction::Transaction;
+
+use close_account_native_program::processor::MyInstruction;
+
+#[test]
+fn test_close_account() {
+    let mut svm = LiteSVM::new();
+
+    let program_id = Pubkey::new_unique();
+    let program_bytes =
+        include_bytes!("../../../../../target/deploy/close_account_native_program.so");
+
+    svm.add_program(program_id, program_bytes).unwrap();
+
+    let payer = Keypair::new();
+    svm.airdrop(&payer.pubkey(), LAMPORTS_PER_SOL * 10).unwrap();
+
+    let test_account_pubkey =
+        Pubkey::find_program_address(&[b"USER".as_ref(), &payer.pubkey().as_ref()], &program_id).0;
+
+    // create user ix
+    let data = borsh::to_vec(&MyInstruction::CreateUser(User {
+        name: "Jacob".to_string(),
+    }))
+    .unwrap();
+
+    let ix = Instruction {
+        program_id,
+        accounts: vec![
+            AccountMeta::new(test_account_pubkey, false),
+            AccountMeta::new(payer.pubkey(), true),
+            AccountMeta::new(solana_system_interface::program::ID, false),
+        ],
+        data,
+    };
+
+    let tx = Transaction::new_signed_with_payer(
+        &[ix],
+        Some(&payer.pubkey()),
+        &[&payer],
+        svm.latest_blockhash(),
+    );
+
+    let _ = svm.send_transaction(tx).is_ok();
+
+    // clsose user ix
+    let data = borsh::to_vec(&MyInstruction::CloseUser).unwrap();
+
+    let ix = Instruction {
+        program_id,
+        accounts: vec![
+            AccountMeta::new(test_account_pubkey, false),
+            AccountMeta::new(payer.pubkey(), true),
+            AccountMeta::new(solana_system_interface::program::ID, false),
+        ],
+        data,
+    };
+
+    let tx = Transaction::new_signed_with_payer(
+        &[ix],
+        Some(&payer.pubkey()),
+        &[&payer],
+        svm.latest_blockhash(),
+    );
+
+    let _ = svm.send_transaction(tx).is_ok();
+}