5 files changed, 204 insertions, 1 deletions

diff --git a/usr.bin/getconf/Makefile b/usr.bin/getconf/Makefile
index ca0f0c04530c..1670465a0878 100644
--- a/usr.bin/getconf/Makefile
+++ b/usr.bin/getconf/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <src.opts.mk>
+
 PROG=	getconf
 
 SRCS=	confstr.c getconf.c limits.c pathconf.c progenv.c sysconf.c
@@ -35,4 +37,8 @@ conflicting.names:	confstr.names limits.names sysconf.names
 unique.names:		conflicting.names
 	LC_ALL=C sort -u ${.ALLSRC} >${.TARGET}
 
+.if ${MK_TESTS} != "no"
+SUBDIR+=	tests
+.endif
+
 .include <bsd.prog.mk>
diff --git a/usr.bin/getconf/getconf.h b/usr.bin/getconf/getconf.h
index 266a0ff3b051..53cf783cc40d 100644
--- a/usr.bin/getconf/getconf.h
+++ b/usr.bin/getconf/getconf.h
@@ -36,8 +36,15 @@ typedef long long intmax_t;
 #include <inttypes.h>
 #endif
 
+typedef enum {
+	PROG_ENV_VALID_NO_ALT_PATH = -1,
+	PROG_ENV_INVALID = 0,
+	PROG_ENV_VALID_HAS_ALT_PATH = 1,
+	PROG_ENV_UNKNOWN = 2,
+} prog_env_validity;
+
 int	find_confstr(const char *name, int *key);
 int	find_limit(const char *name, intmax_t *value);
 int	find_pathconf(const char *name, int *key);
-int	find_progenv(const char *name, const char **alt_path);
+prog_env_validity	find_progenv(const char *name, const char **alt_path);
 int	find_sysconf(const char *name, int *key);
diff --git a/usr.bin/getconf/tests/Makefile b/usr.bin/getconf/tests/Makefile
new file mode 100644
index 000000000000..3b2fdafc7bd0
--- /dev/null
+++ b/usr.bin/getconf/tests/Makefile
@@ -0,0 +1,11 @@
+# $FreeBSD$
+
+ATF_TESTS_SH+=	getconf_test
+
+PROGS+=		arch_type
+
+BINDIR=		${TESTSDIR}
+
+WARNS?=		6
+
+.include <bsd.test.mk>
diff --git a/usr.bin/getconf/tests/arch_type.c b/usr.bin/getconf/tests/arch_type.c
new file mode 100644
index 000000000000..f443f0a0413a
--- /dev/null
+++ b/usr.bin/getconf/tests/arch_type.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017 Ngie Cooper <ngie@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$FreeBSD$");
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	bool known_arch_type;
+
+	known_arch_type = false;
+#ifdef	__LP64__
+	printf("LP64\n");
+	known_arch_type = true;
+#endif
+#ifdef	__LP32__
+	printf("LP32\n");
+	known_arch_type = true;
+#endif
+#ifdef	__ILP32__
+	printf("ILP32\n");
+	known_arch_type = true;
+#endif
+
+	if (known_arch_type)
+		exit(0);
+
+	fprintf(stderr, "unknown architecture type detected\n");
+	assert(0);
+}
diff --git a/usr.bin/getconf/tests/getconf_test.sh b/usr.bin/getconf/tests/getconf_test.sh
new file mode 100755
index 000000000000..c5b7fddb1b02
--- /dev/null
+++ b/usr.bin/getconf/tests/getconf_test.sh
@@ -0,0 +1,120 @@
+#
+# Copyright (c) 2017 Dell EMC
+# 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 AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+
+POSITIVE_EXP_EXPR_RE='match:[1-9][0-9]*'
+
+POSIX_CONSTANTS="ARG_MAX PAGESIZE"
+POSIX_PATH_CONSTANTS="NAME_MAX PATH_MAX"
+SUPPORTED_32BIT_PROGRAM_ENVS="POSIX_V6_ILP32_OFFBIG"
+SUPPORTED_64BIT_PROGRAM_ENVS="POSIX_V6_LP64_OFF64"
+UNAVAILABLE_PROGRAM_ENVS="I_AM_BOGUS"
+UNSUPPORTED_32BIT_PROGRAM_ENVS="POSIX_V6_LP64_OFF64"
+UNSUPPORTED_64BIT_PROGRAM_ENVS="POSIX_V6_ILP32_OFFBIG"
+
+XOPEN_CONSTANTS=
+
+# XXX: hardcoded sysexits
+EX_USAGE=64
+EX_UNAVAILABLE=69
+
+set_program_environments()
+{
+	atf_check -o save:arch_type.out $(atf_get_srcdir)/arch_type
+	arch_type=$(cat arch_type.out)
+	case "$arch_type" in
+	ILP32|LP32)
+		SUPPORTED_PROGRAM_ENVS="$SUPPORTED_PROGRAM_ENVS $SUPPORTED_32BIT_PROGRAM_ENVS"
+		UNSUPPORTED_PROGRAM_ENVS="$UNSUPPORTED_PROGRAM_ENVS $UNSUPPORTED_32BIT_PROGRAM_ENVS"
+		;;
+	LP64)
+		SUPPORTED_PROGRAM_ENVS="$SUPPORTED_PROGRAM_ENVS $SUPPORTED_64BIT_PROGRAM_ENVS"
+		UNSUPPORTED_PROGRAM_ENVS="$UNSUPPORTED_PROGRAM_ENVS $UNSUPPORTED_64BIT_PROGRAM_ENVS"
+		;;
+	*)
+		atf_fail "arch_type output unexpected: $arch_type"
+		;;
+	esac
+}
+
+atf_test_case no_programming_environment
+no_programming_environment_head()
+{
+	atf_set	"descr" "Test some POSIX constants as a positive functional test"
+}
+
+no_programming_environment_body()
+{
+	for var in $POSIX_CONSTANTS; do
+		atf_check -o "$POSITIVE_EXP_EXPR_RE" getconf $var
+	done
+	for var in $POSIX_PATH_CONSTANTS; do
+		atf_check -o "$POSITIVE_EXP_EXPR_RE" getconf $var .
+	done
+}
+
+atf_test_case programming_environment
+programming_environment_head()
+{
+	atf_set	"descr" "Test some constants with specific programming environments"
+}
+
+programming_environment_body()
+{
+	set_program_environments
+
+	for prog_env in ${SUPPORTED_PROGRAM_ENVS}; do
+		for var in $POSIX_CONSTANTS; do
+			atf_check -o "$POSITIVE_EXP_EXPR_RE" \
+			    getconf -v $prog_env $var
+		done
+	done
+}
+
+atf_test_case programming_environment_unsupported
+programming_environment_unsupported_head()
+{
+	atf_set	"descr" "Test for unsupported environments"
+}
+
+programming_environment_unsupported_body()
+{
+	set_program_environments
+
+	for prog_env in ${UNSUPPORTED_PROGRAM_ENVS}; do
+		for var in $POSIX_CONSTANTS; do
+			atf_check -e not-empty -s exit:$EX_UNAVAILABLE \
+			    getconf -v $prog_env $var
+		done
+	done
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case no_programming_environment
+	atf_add_test_case programming_environment
+	atf_add_test_case programming_environment_unsupported
+}