219     use crate::ctxhash::NullCtx;
225         match map.entry(&NullCtx, 0) {  in basic()
229         match map.entry(&NullCtx, 2) {  in basic()
233         match map.entry(&NullCtx, 2) {  in basic()
238         match map.entry(&NullCtx, 2) {  in basic()
242         match map.entry(&NullCtx, 1) {  in basic()
246         match map.entry(&NullCtx, 1) {  in basic()
250         match map.entry(&NullCtx, 0) {  in basic()
254         match map.entry(&NullCtx, 2) {  in basic()
259         match map.entry(&NullCtx, 0) {  in basic()
263         match map.entry(&NullCtx, 2) {  in basic()
268         match map.entry(&NullCtx, 2) {  in basic()
272         match map.entry(&NullCtx, 1) {  in basic()
276         match map.entry(&NullCtx, 1) {  in basic()
280         match map.entry(&NullCtx, 2) {  in basic()
288         match map.entry(&NullCtx, 2) {  in basic()
292         match map.entry(&NullCtx, 1) {  in basic()
296         match map.entry(&NullCtx, 1) {  in basic()
300         match map.entry(&NullCtx, 2) {  in basic()
307         match map.entry(&NullCtx, 2) {  in basic()
311         match map.entry(&NullCtx, 1) {  in basic()
320         map.insert_if_absent(&NullCtx, 1, 2);  in insert_arbitrary_depth()
321         assert_eq!(map.get(&NullCtx, &1), Some(&2));  in insert_arbitrary_depth()
323         assert_eq!(map.get(&NullCtx, &1), Some(&2));  in insert_arbitrary_depth()
324         map.insert_if_absent(&NullCtx, 3, 4);  in insert_arbitrary_depth()
325         assert_eq!(map.get(&NullCtx, &3), Some(&4));  in insert_arbitrary_depth()
327         assert_eq!(map.get(&NullCtx, &3), None);  in insert_arbitrary_depth()
329         map.insert_if_absent_with_depth(&NullCtx, 3, 4, 0);  in insert_arbitrary_depth()
330         assert_eq!(map.get(&NullCtx, &3), Some(&4));  in insert_arbitrary_depth()
332         assert_eq!(map.get(&NullCtx, &3), Some(&4));  in insert_arbitrary_depth()