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Standard iterator vs Fallible iterator

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gwenn 2023-11-24 20:09:45 +01:00
parent 7dfbc4b8d1
commit 50dca91698
1 changed files with 10 additions and 4 deletions
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14
src/row.rs
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@ -596,12 +596,18 @@ mod tests {
)?; )?;
let mut stmt = conn.prepare("INSERT INTO foo VALUES (0) RETURNING rowid;")?; let mut stmt = conn.prepare("INSERT INTO foo VALUES (0) RETURNING rowid;")?;
{ {
let n = stmt.query_map([], |_| Ok(()))?.count(); let iterator_count = stmt.query_map([], |_| Ok(()))?.count();
assert_eq!(1, n); // should be 0 assert_eq!(1, iterator_count); // should be 0
use fallible_streaming_iterator::FallibleStreamingIterator;
let fallible_iterator_count = stmt.query([])?.count().unwrap_or(0);
assert_eq!(0, fallible_iterator_count);
} }
{ {
let last = stmt.query_map([], |_| Ok(()))?.last(); let iterator_last = stmt.query_map([], |_| Ok(()))?.last();
assert!(last.is_some()); // should be none assert!(iterator_last.is_some()); // should be none
use fallible_iterator::FallibleIterator;
let fallible_iterator_last = stmt.query([])?.map(|_| Ok(())).last();
assert!(fallible_iterator_last.is_err());
} }
Ok(()) Ok(())
} }