usr.bin/c++/t_call_once.sh

#	$NetBSD: t_call_once.sh,v 1.1.4.2 2020/04/08 14:09:13 martin Exp $
#
# Copyright (c) 2018 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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#

atf_test_case call_once
call_once_head() {
	atf_set "descr" "compile and run std::call_once"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_profile
call_once_profile_head() {
	atf_set "descr" "compile and run std::call_once with profiling option"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_pic
call_once_pic_head() {
	atf_set "descr" "compile and run PIC std::call_once"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_pic_32
call_once_pic_32_head() {
	atf_set "descr" "compile and run 32-bit PIC std::call_once"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_pic_profile
call_once_pic_head() {
	atf_set "descr" "compile and run PIC std::call_once with profiling flag"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_pic_profile_32
call_once_pic_profile_32_head() {
	atf_set "descr" "compile and run 32-bit PIC std::call_once with profiling flag"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_profile_32
call_once_profile_32_head() {
	atf_set "descr" "compile and run 32-bit std::call_once with profiling flag"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_pie
call_once_pie_head() {
	atf_set "descr" "compile and run position independent (PIE) std::call_once"
	atf_set "require.progs" "c++"
}

atf_test_case call_once_32
call_once_32_head() {
	atf_set "descr" "compile and run std::call_once for/in netbsd32 emulation"
	atf_set "require.progs" "c++ file diff cat"
}

atf_test_case call_once_static
call_once_static_head() {
	atf_set "descr" "compile and run std::call_once with static flag"
	atf_set "require.progs" "c++"
}

call_once_body() {
	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -o call_once test.cpp -pthread
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_profile_body() {
	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -pg -o call_once test.cpp -pthread
	case `uname -p` in
	aarch64)
		atf_expect_fail 'cc -pg is busted on aarch64'
		;;
	esac
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_profile_32_body() {
	# check whether this arch is 64bit
	if ! c++ -dM -E - < /dev/null | fgrep -q _LP64; then
		atf_skip "this is not a 64 bit architecture"
	fi
	if ! c++ -m32 -dM -E - < /dev/null 2>/dev/null > ./def32; then
		atf_skip "c++ -m32 not supported on this architecture"
	else
		if fgrep -q _LP64 ./def32; then
			atf_fail "c++ -m32 does not generate netbsd32 binaries"
		fi
	fi

	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -m32 -pg -o call_once test.cpp -pthread
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_pic_body() {
	cat > test.cpp << EOF
#include <stdlib.h>
int callpic(void);
int main(void) {callpic();exit(0);}
EOF
	cat > pic.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int callpic(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF

	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -fPIC -shared -o libtest.so pic.cpp
	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -o call_once test.cpp -L. -ltest -pthread

	export LD_LIBRARY_PATH=.
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_pic_32_body() {
	# check whether this arch is 64bit
	if ! c++ -dM -E - < /dev/null | fgrep -q _LP64; then
		atf_skip "this is not a 64 bit architecture"
	fi
	if ! c++ -m32 -dM -E - < /dev/null 2>/dev/null > ./def32; then
		atf_skip "c++ -m32 not supported on this architecture"
	else
		if fgrep -q _LP64 ./def32; then
			atf_fail "c++ -m32 does not generate netbsd32 binaries"
		fi
	fi

	cat > test.cpp << EOF
#include <stdlib.h>
int callpic(void);
int main(void) {callpic();exit(0);}
EOF
	cat > pic.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int callpic(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF

	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -m32 -fPIC -shared -o libtest.so pic.cpp
	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -m32 -o call_once test.cpp -L. -ltest -pthread

	export LD_LIBRARY_PATH=.
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_pic_profile_body() {
	cat > test.cpp << EOF
#include <stdlib.h>
int callpic(void);
int main(void) {callpic();exit(0);}
EOF
	cat > pic.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int callpic(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF

	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -pg -fPIC -shared -o libtest.so pic.cpp
	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -pg -o call_once test.cpp -L. -ltest -pthread

	case `uname -p` in
	aarch64)
		atf_expect_fail 'cc -pg is busted on aarch64'
		;;
	esac
	export LD_LIBRARY_PATH=.
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_pic_profile_32_body() {
	# check whether this arch is 64bit
	if ! c++ -dM -E - < /dev/null | fgrep -q _LP64; then
		atf_skip "this is not a 64 bit architecture"
	fi
	if ! c++ -m32 -dM -E - < /dev/null 2>/dev/null > ./def32; then
		atf_skip "c++ -m32 not supported on this architecture"
	else
		if fgrep -q _LP64 ./def32; then
			atf_fail "c++ -m32 does not generate netbsd32 binaries"
		fi
	fi

	cat > test.cpp << EOF
#include <stdlib.h>
int callpic(void);
int main(void) {callpic();exit(0);}
EOF
	cat > pic.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int callpic(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF

	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -m32 -pg -fPIC -shared -o libtest.so pic.cpp
	atf_check -s exit:0 -o ignore -e ignore \
	    c++ -m32 -pg -o call_once test.cpp -L. -ltest -pthread

	export LD_LIBRARY_PATH=.
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_pie_body() {
	# check whether this arch supports -pie
	if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then
		atf_skip "c++ -pie not supported on this architecture"
	fi
	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -fpie -pie -o call_once test.cpp -pthread
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_32_body() {
	# check whether this arch is 64bit
	if ! c++ -dM -E - < /dev/null | fgrep -q _LP64; then
		atf_skip "this is not a 64 bit architecture"
	fi
	if ! c++ -m32 -dM -E - < /dev/null 2>/dev/null > ./def32; then
		atf_skip "c++ -m32 not supported on this architecture"
	else
		if fgrep -q _LP64 ./def32; then
			atf_fail "c++ -m32 does not generate netbsd32 binaries"
		fi
	fi

	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -o call_once_32 -m32 test.cpp -pthread
	atf_check -s exit:0 -o ignore -e ignore c++ -o call_once_64 test.cpp -pthread
	file -b ./call_once_32 > ./ftype32
	file -b ./call_once_64 > ./ftype64
	if diff ./ftype32 ./ftype64 >/dev/null; then
		atf_fail "generated binaries do not differ"
	fi
	echo "32bit binaries on this platform are:"
	cat ./ftype32
	echo "While native (64bit) binaries are:"
	cat ./ftype64
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once_32

	# do another test with static 32bit binaries
	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -o call_once -m32 -pthread \
	    -static test.cpp
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

call_once_static_body() {
	cat > test.cpp << EOF
#include <cstdio>
#include <thread>
#include <mutex>
std::once_flag flag;
int main(void) {
        std::call_once(flag, [](){ printf("hello, world!\n"); });
        return 0;
}
EOF
	atf_check -s exit:0 -o ignore -e ignore c++ -static -o call_once test.cpp -pthread
	atf_check -s exit:0 -o inline:"hello, world!\n" ./call_once
}

atf_init_test_cases()
{

	atf_add_test_case call_once
	atf_add_test_case call_once_profile
	atf_add_test_case call_once_pic
	atf_add_test_case call_once_pie
	atf_add_test_case call_once_32
	atf_add_test_case call_once_static
	atf_add_test_case call_once_pic_32
	atf_add_test_case call_once_pic_profile
	atf_add_test_case call_once_pic_profile_32
	atf_add_test_case call_once_profile_32
}