--- a/tests/test-branches-obsolete.t	Wed Mar 06 16:18:03 2024 +0100
+++ b/tests/test-branches-obsolete.t	Thu Mar 07 04:15:23 2024 +0100
@@ -113,6 +113,19 @@
   |
   o  root
   
+
+#if v2
+  $ show_cache
+  ##### .hg/cache/branch2-served
+  3d808bbc94408ea19da905596d4079357a1f28be 8
+  63ba7cd843d1e95aac1a24435befeb1909c53619 o default
+  3d808bbc94408ea19da905596d4079357a1f28be o default
+#else
+  $ show_cache
+  ##### .hg/cache/branch3-served
+  tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8 topo-mode=pure
+  default
+#endif
   $ hg log -T '{desc}\n' --rev 'head()'
   B_4
   A_4
@@ -157,7 +170,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7
+  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7 topo-mode=pure
+  default
 #endif
   $ cd ..
 
@@ -209,7 +223,6 @@
   $ show_cache
   ##### .hg/cache/branch3
   obsolete-hash=b6d2b1f5b70f09c25c835edcae69be35f681605c tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8
-  550bb31f072912453ccbb503de1d554616911e88 o default
   7c29ff2453bf38c75ee8982935739103c38a9284 o default
   ##### .hg/cache/branch3-served
   filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 obsolete-hash=ac5282439f301518f362f37547fcd52bcc670373 tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8
@@ -251,7 +264,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7
+  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7 topo-mode=pure
+  default
 #endif
 
   $ cd ..
@@ -299,7 +313,6 @@
   $ show_cache
   ##### .hg/cache/branch3
   obsolete-hash=b6d2b1f5b70f09c25c835edcae69be35f681605c tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8
-  550bb31f072912453ccbb503de1d554616911e88 o default
   7c29ff2453bf38c75ee8982935739103c38a9284 o default
   ##### .hg/cache/branch3-served
   filtered-hash=f1456c0d675980582dda9b8edc7f13f503ce544f obsolete-hash=3e74f5349008671629e39d13d7e00d9ba94c74f7 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7
@@ -341,7 +354,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7
+  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7 topo-mode=pure
+  default
 #endif
 
   $ cd ..
@@ -434,7 +448,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7
+  tip-node=7c29ff2453bf38c75ee8982935739103c38a9284 tip-rev=7 topo-mode=pure
+  default
 #endif
 
   $ cd ..
@@ -477,7 +492,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8
+  tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8 topo-mode=pure
+  default
 #endif
 
   $ hg pull --rev `cat ../main-single-branch-node_B4` --remote-hidden
@@ -539,7 +555,8 @@
 #else
   $ show_cache
   ##### .hg/cache/branch3-served
-  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8
+  filtered-hash=f8006d64a10d35c011a5c5fa88be1e25c5929514 tip-node=3d808bbc94408ea19da905596d4079357a1f28be tip-rev=8 topo-mode=pure
+  default
 #endif
 
   $ cd ..