From 897f59fab1a1eb504be1fda9d6d43b7ea05fe024 Mon Sep 17 00:00:00 2001
From: Jussi Saurio <jussi.saurio@gmail.com>
Date: Thu, 10 Jul 2025 20:48:11 +0300
Subject: [PATCH] test/fuzz: add ignored fuzz test for min()/max() - ignored
 because of bugs

---
 tests/integration/fuzz/mod.rs | 60 +++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/tests/integration/fuzz/mod.rs b/tests/integration/fuzz/mod.rs
index ecb478fcc..e8b06d953 100644
--- a/tests/integration/fuzz/mod.rs
+++ b/tests/integration/fuzz/mod.rs
@@ -1373,6 +1373,66 @@ mod tests {
         }
     }
 
+    #[test]
+    #[ignore]
+    /// Ignored because of https://github.com/tursodatabase/turso/issues/2040, https://github.com/tursodatabase/turso/issues/2041
+    /// TODO: add fuzzing for other aggregate functions
+    pub fn min_max_agg_fuzz() {
+        let _ = env_logger::try_init();
+
+        let datatypes = ["INTEGER", "TEXT", "REAL", "BLOB"];
+        let (mut rng, seed) = rng_from_time();
+        log::info!("seed: {}", seed);
+
+        for _ in 0..1000 {
+            // Create table with random datatype
+            let datatype = datatypes[rng.random_range(0..datatypes.len())];
+            let create_table = format!("CREATE TABLE t(x {})", datatype);
+
+            let db = TempDatabase::new_empty(false);
+            let limbo_conn = db.connect_limbo();
+            let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
+
+            limbo_exec_rows(&db, &limbo_conn, &create_table);
+            sqlite_exec_rows(&sqlite_conn, &create_table);
+
+            // Insert 5 random values of random types
+            let mut values = Vec::new();
+            for _ in 0..5 {
+                let value = match rng.random_range(0..4) {
+                    0 => rng.random_range(-1000..1000).to_string(), // Integer
+                    1 => format!(
+                        "'{}'",
+                        (0..10)
+                            .map(|_| rng.random_range(b'a'..=b'z') as char)
+                            .collect::<String>()
+                    ), // Text
+                    2 => format!("{:.2}", rng.random_range(-100..100) as f64 / 10.0), // Real
+                    3 => "NULL".to_string(),                        // NULL
+                    _ => unreachable!(),
+                };
+                values.push(format!("({})", value));
+            }
+
+            let insert = format!("INSERT INTO t VALUES {}", values.join(","));
+            limbo_exec_rows(&db, &limbo_conn, &insert);
+            sqlite_exec_rows(&sqlite_conn, &insert);
+
+            // Test min and max
+            for agg in ["min(x)", "max(x)"] {
+                let query = format!("SELECT {} FROM t", agg);
+                let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
+                let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
+
+                assert_eq!(
+                    limbo, sqlite,
+                    "query: {}, limbo: {:?}, sqlite: {:?}, seed: {}, values: {:?}, schema: {}",
+                    query, limbo, sqlite, seed, values, create_table
+                );
+            }
+        }
+    }
+
     #[test]
     pub fn table_logical_expression_fuzz_run() {
         let _ = env_logger::try_init();