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//! Ensure we reject connections when SQLite is in single-threaded mode, as it
//! would violate safety if multiple Rust threads tried to use connections.
#[cfg(not(feature = "loadable_extension"))]
#[test]
fn test_error_when_singlethread_mode() {
use rusqlite::ffi;
use rusqlite::Connection;
// put SQLite into single-threaded mode
unsafe {
// Note: macOS system SQLite seems to return an error if you attempt to
// reconfigure to single-threaded mode.
if ffi::sqlite3_config(ffi::SQLITE_CONFIG_SINGLETHREAD) != ffi::SQLITE_OK {
return;
}
assert_eq!(ffi::sqlite3_initialize(), ffi::SQLITE_OK);
}
let res = Connection::open_in_memory();
res.unwrap_err();
}