--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-merge-internal-tools-pattern.t	Sat Sep 11 20:04:35 2010 +0200
@@ -0,0 +1,111 @@
+# Make sure that the internal merge tools (internal:fail, internal:local, and
+# internal:other) are used when matched by a merge-pattern in hgrc
+
+Make sure HGMERGE doesn't interfere with the test:
+
+  $ unset HGMERGE
+
+  $ hg init
+
+Initial file contents:
+
+  $ echo "line 1" > f
+  $ echo "line 2" >> f
+  $ echo "line 3" >> f
+  $ hg ci -Am "revision 0"
+  adding f
+
+  $ cat f
+  line 1
+  line 2
+  line 3
+
+Branch 1: editing line 1:
+
+  $ sed 's/line 1/first line/' f > f.new
+  $ mv f.new f
+  $ hg ci -Am "edited first line"
+
+Branch 2: editing line 3:
+
+  $ hg update 0
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ sed 's/line 3/third line/' f > f.new
+  $ mv f.new f
+  $ hg ci -Am "edited third line"
+  created new head
+
+Merge using internal:fail tool:
+
+  $ echo "[merge-patterns]" > .hg/hgrc
+  $ echo "* = internal:fail" >> .hg/hgrc
+
+  $ hg merge
+  0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+  use 'hg resolve' to retry unresolved file merges or 'hg update -C' to abandon
+
+  $ cat f
+  line 1
+  line 2
+  third line
+
+  $ hg stat
+  M f
+
+Merge using internal:local tool:
+
+  $ hg update -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ sed 's/internal:fail/internal:local/' .hg/hgrc > .hg/hgrc.new
+  $ mv .hg/hgrc.new .hg/hgrc
+
+  $ hg merge
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+  $ cat f
+  line 1
+  line 2
+  third line
+
+  $ hg stat
+  M f
+
+Merge using internal:other tool:
+
+  $ hg update -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ sed 's/internal:local/internal:other/' .hg/hgrc > .hg/hgrc.new
+  $ mv .hg/hgrc.new .hg/hgrc
+
+  $ hg merge
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+  $ cat f
+  first line
+  line 2
+  line 3
+
+  $ hg stat
+  M f
+
+Merge using default tool:
+
+  $ hg update -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ rm .hg/hgrc
+
+  $ hg merge
+  merging f
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+
+  $ cat f
+  first line
+  line 2
+  third line
+
+  $ hg stat
+  M f
+