[ostree] tests: add tests for prune --keep-younger-than=DATE

[Giuseppe Scrivano <gscrivano src gnome org>]

commit 11bc9e58c1a6da8cb6053ea84f2d9e622838bcb2
Author: Giuseppe Scrivano <gscrivan redhat com>
Date:   Mon Nov 9 11:07:16 2015 +0000

    tests: add tests for prune --keep-younger-than=DATE
    
    Signed-off-by: Giuseppe Scrivano <gscrivan redhat com>

 tests/test-prune.sh |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/tests/test-prune.sh b/tests/test-prune.sh
index c73a5ca..a4b6fc2 100644
--- a/tests/test-prune.sh
+++ b/tests/test-prune.sh
@@ -82,4 +82,15 @@ ${CMD_PREFIX} ostree --repo=repo prune --delete-commit=$COMMIT_TO_DELETE
 find repo/objects -name '*.tombstone-commit' | wc -l > tombstonecommitcount
 assert_file_has_content tombstonecommitcount "^1$"
 
+${CMD_PREFIX} ostree prune --repo=repo --refs-only --depth=0 -v
+find repo/objects -name '*.commit' | wc -l > commitcount
+assert_file_has_content commitcount "^1$"
+${CMD_PREFIX} ostree --repo=repo commit --branch=test -m test -s test tree --timestamp="2010-10-29 12:43:29 
+0000"
+${CMD_PREFIX} ostree --repo=repo commit --branch=test -m test -s test tree --timestamp="2005-10-29 12:43:29 
+0000"
+find repo/objects -name '*.commit' | wc -l > commitcount
+assert_file_has_content commitcount "^3$"
+${CMD_PREFIX} ostree --repo=repo prune --keep-younger-than="2015-10-29 12:43:29 +0000"
+find repo/objects -name '*.commit' | wc -l > commitcount
+assert_file_has_content commitcount "^1$"
+
 echo "ok prune"