[ostree: 3/70] tests: Add a test-abi

[Colin Walters <walters src gnome org>]

commit f84c198006e7ff2d669539b10011a5954bb1e780
Author: Colin Walters <walters verbum org>
Date:   Wed Mar 23 15:18:27 2016 -0400

    tests: Add a test-abi
    
    This would have caught a potential ABI regression in
    https://bugzilla.gnome.org/show_bug.cgi?id=764056
    (If we ran this test while building `--without-libarchive`)
    
    Pull request: #218
    Approved by: jlebon

 Makefile-tests.am |    4 ++++
 tests/test-abi.sh |   28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 0 deletions(-)
---
diff --git a/Makefile-tests.am b/Makefile-tests.am
index 9f359ad..50c714a 100644
--- a/Makefile-tests.am
+++ b/Makefile-tests.am
@@ -23,8 +23,12 @@ include $(top_srcdir)/buildutil/glib-tap.mk
 # include the builddir in $PATH so we find our just-built ostree
 # binary.
 TESTS_ENVIRONMENT += OT_TESTS_DEBUG=1 \
+       SRCDIR=$$(cd $(top_srcdir) && pwd) \
+       BUILDDIR=$$(cd $(top_builddir) && pwd) \
        PATH=$$(cd $(top_builddir) && pwd):$${PATH}
 
+uninstalled_test_scripts = tests/test-abi.sh
+
 test_scripts = \
        tests/test-basic.sh \
        tests/test-pull-subpath.sh \
diff --git a/tests/test-abi.sh b/tests/test-abi.sh
new file mode 100755
index 0000000..a49f8d4
--- /dev/null
+++ b/tests/test-abi.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# Copyright (C) 2016 Colin Walters <walters verbum org>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+set -euo pipefail
+
+echo '1..1'
+
+grep ' ostree_[A-Za-z0-9_]*;' ${SRCDIR}/src/libostree/libostree.sym | sed -e 's,^ *\([A-Za-z0-9_]*\);,\1,' | 
sort -u > expected-symbols.txt
+eu-readelf -a ${BUILDDIR}/.libs/libostree-1.so | grep 'FUNC.*GLOBAL.*DEFAULT.*@@LIBOSTREE_' | sed -e 's,^.* 
\(ostree_[A-Za-z0-9_]*\)@@LIBOSTREE_[0-9_.]*,\1,' |sort -u > found-symbols.txt
+diff -u expected-symbols.txt found-symbols.txt
+
+echo 'ok'