From 2739fa06479f62bcd657a6f9d1a3097441ad8b8e Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@draconx.ca>
Date: Sun, 26 Feb 2012 17:13:53 -0500
Subject: [PATCH] Add a test case to verify symbol prefixes.

Our very first automated test case!
---
 .gitignore                       |  1 +
 Makefile.am                      | 15 +++++++---
 tests/.gitignore                 |  1 +
 tests/libcdecl-static-symbols.sh | 48 ++++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 4 deletions(-)
 create mode 100644 tests/.gitignore
 create mode 100755 tests/libcdecl-static-symbols.sh

diff --git a/.gitignore b/.gitignore
index dbb2be5..e3e7561 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@ Makefile.in
 /ABOUT-NLS
 /exported.sh
 /snippet
+/test-suite.log
diff --git a/Makefile.am b/Makefile.am
index f12bc0a..e11d380 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,6 +4,7 @@
 # This is free software: you are free to do what the fuck you want to.
 # There is NO WARRANTY, to the extent permitted by law.
 
+AUTOMAKE_OPTIONS = parallel-tests color-tests
 ACLOCAL_AMFLAGS = -I m4
 
 # For Gnulib
@@ -49,6 +50,9 @@ libcdecl_la_LIBADD = libgnu.la $(LTLIBINTL) $(LTLIBTHREAD)
 $(libcdecl_la_OBJECTS): $(gnulib_headers)
 
 bin_PROGRAMS = cdecl99
+cdecl99_SOURCES = src/cdecl99.c
+cdecl99_LDADD = libcdecl.la libgnu.la $(LTLIBINTL) $(LTLIBREADLINE)
+$(cdecl99_OBJECTS): $(gnulib_headers)
 
 check_PROGRAMS =
 check_LTLIBRARIES = libtest.la
@@ -61,13 +65,16 @@ libtest_la_SOURCES += test/declgen.c
 check_PROGRAMS += test/randomdecl
 endif
 
-cdecl99_SOURCES = src/cdecl99.c
-cdecl99_LDADD = libcdecl.la libgnu.la $(LTLIBINTL) $(LTLIBREADLINE)
-$(cdecl99_OBJECTS): $(gnulib_headers)
-
 test_randomdecl_LDADD = libcdecl.la libtest.la libgnu.la
 $(test_randomdecl_OBJECTS): $(gnulib_headers)
 
+TESTS_ENVIRONMENT = SHELL='$(SHELL)' LIBTOOL='$(LIBTOOL)'
+TEST_EXTENSIONS = .sh
+SH_LOG_COMPILER = $(SHELL)
+
+TESTS = tests/libcdecl-static-symbols.sh
+EXTRA_DIST += $(TESTS)
+
 src/parse.lo: src/scan.h
 src/scan.lo: src/parse.h
 src/parse-decl.lo: src/scan.h src/parse.h
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..397b4a7
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1 @@
+*.log
diff --git a/tests/libcdecl-static-symbols.sh b/tests/libcdecl-static-symbols.sh
new file mode 100755
index 0000000..66fca23
--- /dev/null
+++ b/tests/libcdecl-static-symbols.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+#
+# Copyright © 2012 Nick Bowler
+#
+# Verify that a static library does not export any unprefixed symbols.
+#
+# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
+# This is free software: you are free to do what the fuck you want to.
+# There is NO WARRANTY, to the extent permitted by law.
+
+ltlib=libcdecl.la
+sym_prefix=cdecl_
+
+eval `$LIBTOOL --config | sed -n \
+	-e '/^objdir=/p' \
+	-e '/^build_old_libs=/p'` || exit 1
+eval `< $ltlib sed -ne '/^old_library=/p'` || exit 1
+
+if test x"$build_old_libs" = x"no"; then
+	# Not building static libs.
+	exit 77
+fi
+
+lib=`expr "$ltlib" : '\(.*\)/'`
+lib="$lib${lib:+/}$objdir/$old_library"
+
+found_sym=no
+bad_sym=no
+
+for i in `$SHELL exported.sh "$lib"`
+do
+	if expr "$i" : "$sym_prefix" >/dev/null; then
+		# Record that we found at least one exported symbol.
+		found_sym=yes
+	else
+		printf 'unprefixed global symbol: %s\n' "$i" 1>&2
+		bad_sym=yes
+	fi
+done
+
+test x"$bad_sym" = x"yes" && exit 1
+
+if test x"$found_sym" = x"no"; then
+	printf 'no exported symbols found\n' 1>&2
+	exit 1
+fi
+
+exit 0
-- 
2.43.2