From 3ed44200d0492f1d2e39bbdcac8ad8b1934013c6 Mon Sep 17 00:00:00 2001
From: Perelyn <64838956+Perelyn-sama@users.noreply.github.com>
Date: Wed, 5 Nov 2025 18:47:51 +0100
Subject: [PATCH] add rust test for rent example

---
 Cargo.lock                               |  7 ++++
 basics/rent/native/program/Cargo.toml    | 10 +++++-
 basics/rent/native/program/tests/test.rs | 44 ++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 basics/rent/native/program/tests/test.rs

diff --git a/Cargo.lock b/Cargo.lock
index 1275e977..0e894332 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2174,8 +2174,15 @@ 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-rent 3.0.0",
  "solana-system-interface 2.0.0",
+ "solana-transaction",
 ]
 
 [[package]]
diff --git a/basics/rent/native/program/Cargo.toml b/basics/rent/native/program/Cargo.toml
index 70d158dd..034c693a 100644
--- a/basics/rent/native/program/Cargo.toml
+++ b/basics/rent/native/program/Cargo.toml
@@ -13,9 +13,17 @@ solana-system-interface .workspace = true
 crate-type = ["cdylib", "lib"]
 
 [features]
-anchor-debug = []
 custom-heap = []
 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-rent = "3.0.0"
+solana-transaction = "3.0.1"
diff --git a/basics/rent/native/program/tests/test.rs b/basics/rent/native/program/tests/test.rs
new file mode 100644
index 00000000..23d54dfd
--- /dev/null
+++ b/basics/rent/native/program/tests/test.rs
@@ -0,0 +1,44 @@
+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;
+
+#[test]
+fn test_rent() {
+    let mut svm = LiteSVM::new();
+
+    let program_id = Pubkey::new_unique();
+    let program_bytes = include_bytes!("../../../../../target/deploy/program.so");
+
+    svm.add_program(program_id, program_bytes).unwrap();
+
+    let payer = Keypair::new();
+    svm.airdrop(&payer.pubkey(), LAMPORTS_PER_SOL * 10).unwrap();
+
+    let new_keypair = Keypair::new();
+
+    let ix = Instruction {
+        program_id,
+        accounts: vec![
+            AccountMeta::new(payer.pubkey(), true),
+            AccountMeta::new(new_keypair.pubkey(), true),
+            AccountMeta::new(payer.pubkey(), true),
+            AccountMeta::new(solana_system_interface::program::ID, false),
+        ],
+        data: [0_u8; 1000].to_vec(),
+    };
+
+    let tx = Transaction::new_signed_with_payer(
+        &[ix],
+        Some(&payer.pubkey()),
+        &[&payer, &new_keypair],
+        svm.latest_blockhash(),
+    );
+
+    let _ = svm.send_transaction(tx).is_ok();
+
+    // rent
+    let _rent = svm.get_account(&new_keypair.pubkey()).unwrap().lamports;
+}