diff tests/test-persistent-nodemap.t @ 44336:8374b69aef75

nodemap: track the total and unused amount of data in the rawdata file

We need to keep that information around:

* total data will allow transaction to start appending new information without
  confusing other reader.

* unused data will allow to detect when we should regenerate new rawdata file.

Differential Revision: https://phab.mercurial-scm.org/D7889

--- a/tests/test-persistent-nodemap.t	Wed Jan 15 15:50:14 2020 +0100
+++ b/tests/test-persistent-nodemap.t	Wed Jan 15 15:50:24 2020 +0100
@@ -15,8 +15,10 @@
   $ hg debugnodemap --metadata
   uid: ???????????????? (glob)
   tip-rev: 5000
+  data-length: 122880
+  data-unused: 0
   $ f --size .hg/store/00changelog.n
-  .hg/store/00changelog.n: size=26
+  .hg/store/00changelog.n: size=42
   $ f --sha256 .hg/store/00changelog-*.nd
   .hg/store/00changelog-????????????????.nd: sha256=b961925120e1c9bc345c199b2cc442abc477029fdece37ef9d99cbe59c0558b7 (glob)
   $ hg debugnodemap --dump-new | f --sha256 --size
@@ -50,11 +52,22 @@
   $ echo foo > foo
   $ hg add foo
   $ hg ci -m 'foo'
+
+#if pure
   $ hg debugnodemap --metadata
   uid: ???????????????? (glob)
   tip-rev: 5001
+  data-length: 123072
+  data-unused: 192
+#else
+  $ hg debugnodemap --metadata
+  uid: ???????????????? (glob)
+  tip-rev: 5001
+  data-length: 122880
+  data-unused: 0
+#endif
   $ f --size .hg/store/00changelog.n
-  .hg/store/00changelog.n: size=26
+  .hg/store/00changelog.n: size=42
 
 (The pure code use the debug code that perform incremental update, the C code reencode from scratch)