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more tests

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Signed-off-by: Alex Chi <iskyzh@gmail.com>
This commit is contained in:
Alex Chi
2023-06-13 16:49:40 -04:00
parent 631b815433
commit 42b1368a0f
1 changed files with 6 additions and 0 deletions
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6
pageserver/src/tenant/layer_map_mgr.rs
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@@ -134,6 +134,9 @@ impl LayerMgrWatermark {
match version.cmp(&core.lowest_version_in_use) {
std::cmp::Ordering::Less => {
if cfg!(debug_assertions) {
// TODO(chi): this panic might not be correctly handled by the panic handler
// given this function is called in a drop handler. We can move it to a separate
// thread if necessary.
panic!("release a version lower than the lowest version in use.")
}
}
@@ -256,8 +259,11 @@ mod tests {
watermark.release(3);
watermark.release(4);
watermark.release(5);
watermark.release(7);
assert_eq!(watermark.lowest_version_in_use(), 2);
watermark.release(2);
assert_eq!(watermark.lowest_version_in_use(), 6);
watermark.release(6);
assert_eq!(watermark.lowest_version_in_use(), 8);
}
}