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-rw-r--r--tools/testing/selftests/sysctl/sysctl.sh63
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index 7ba3fa2..abeef67 100644
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -32,6 +32,7 @@ TEST_FILE=$(mktemp)
ALL_TESTS="0001:1:1"
ALL_TESTS="$ALL_TESTS 0002:1:1"
ALL_TESTS="$ALL_TESTS 0003:1:1"
+ALL_TESTS="$ALL_TESTS 0004:1:1"
test_modprobe()
{
@@ -86,6 +87,9 @@ function check_production_sysctl_writes_strict()
if [ -z $INT_MAX ]; then
INT_MAX=$(getconf INT_MAX)
fi
+ if [ -z $UINT_MAX ]; then
+ UINT_MAX=$(getconf UINT_MAX)
+ fi
}
test_reqs()
@@ -129,6 +133,9 @@ reset_vals()
int_0002)
VAL="1"
;;
+ uint_0001)
+ VAL="314"
+ ;;
string_0001)
VAL="(none)"
;;
@@ -345,6 +352,49 @@ run_limit_digit_int()
test_rc
}
+# You are using an unsigned int
+run_limit_digit_uint()
+{
+ echo -n "Testing UINT_MAX works ..."
+ reset_vals
+ TEST_STR="$UINT_MAX"
+ echo -n $TEST_STR > $TARGET
+
+ if ! verify "${TARGET}"; then
+ echo "FAIL" >&2
+ rc=1
+ else
+ echo "ok"
+ fi
+ test_rc
+
+ echo -n "Testing UINT_MAX + 1 will fail as expected..."
+ reset_vals
+ TEST_STR=$(($UINT_MAX+1))
+ echo -n $TEST_STR > $TARGET 2> /dev/null
+
+ if verify "${TARGET}"; then
+ echo "FAIL" >&2
+ rc=1
+ else
+ echo "ok"
+ fi
+ test_rc
+
+ echo -n "Testing negative values will not work as expected ..."
+ reset_vals
+ TEST_STR="-3"
+ echo -n $TEST_STR > $TARGET 2> /dev/null
+
+ if verify "${TARGET}"; then
+ echo "FAIL" >&2
+ rc=1
+ else
+ echo "ok"
+ fi
+ test_rc
+}
+
run_stringtests()
{
echo -n "Writing entire sysctl in short writes ... "
@@ -450,6 +500,18 @@ sysctl_test_0003()
run_limit_digit_int
}
+sysctl_test_0004()
+{
+ TARGET="${SYSCTL}/uint_0001"
+ reset_vals
+ ORIG=$(cat "${TARGET}")
+ TEST_STR=$(( $ORIG + 1 ))
+
+ run_numerictests
+ run_limit_digit
+ run_limit_digit_uint
+}
+
list_tests()
{
echo "Test ID list:"
@@ -461,6 +523,7 @@ list_tests()
echo "0001 x $(get_test_count 0001) - tests proc_dointvec_minmax()"
echo "0002 x $(get_test_count 0002) - tests proc_dostring()"
echo "0003 x $(get_test_count 0003) - tests proc_dointvec()"
+ echo "0004 x $(get_test_count 0004) - tests proc_douintvec()"
}
test_reqs
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