notmuch/test/symbol-hiding
David Bremner fba968dbfa tests: add a test for symbol hiding side effects
The worry here is that a binary linking with libnotmuch might lose
access to Xapian::Error symbols because libnotmuch hides them.

We are careful here to create ./fakedb/.notmuch in order to trigger a
Xapian exception, and not just a missing file check.

Thanks to jrollins and amddragon for suggestions.
(cherry picked from commit 66f37f5f6864a988f94ddb893e3a176af57f6c8e)
2011-06-23 07:05:25 -03:00

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#!/usr/bin/env bash
#
# Copyright (c) 2011 David Bremner
#
# This test tests whether hiding Xapian::Error symbols in libnotmuch
# also hides them for other users of libxapian. This is motivated by
# the discussion in http://gcc.gnu.org/wiki/Visibility'
test_description='exception symbol hiding'
. ./test-lib.sh
run_test(){
result=$(LD_LIBRARY_PATH=../../lib ./symbol-test 2>&1)
}
output="A Xapian exception occurred opening database: Couldn't stat 'fakedb/.notmuch/xapian'
caught No chert database found at path \`./nonexistant'"
g++ -o symbol-test -I../../lib ../symbol-test.cc -L../../lib -lnotmuch -lxapian
mkdir -p fakedb/.notmuch
test_expect_success 'running test' run_test
test_begin_subtest 'checking output'
test_expect_equal "$result" "$output"
test_done