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#!/bin/bash
# perf_probe :: Check patterns for line semantics (exclusive)
# SPDX-License-Identifier: GPL-2.0
#
# test_line_semantics of perf_probe test
# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
# Author: Michael Petlan <mpetlan@redhat.com>
#
# Description:
#
# This test checks whether the semantic errors of line option's
# arguments are properly reported.
#
# include working environment
. ../common/init.sh
TEST_RESULT=0
if ! check_kprobes_available; then
print_overall_skipped
exit 2
fi
# Check for presence of DWARF
$CMD_PERF check feature -q dwarf
[ $? -ne 0 ] && HINT_FAIL="Some of the tests need DWARF to run"
### acceptable --line descriptions
# testing acceptance of valid patterns for the '--line' option
VALID_PATTERNS="func func:10 func:0-10 func:2+10 func@source.c func@source.c:1 source.c:1 source.c:1+1 source.c:1-10"
for desc in $VALID_PATTERNS; do
! ( $CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error" )
CHECK_EXIT_CODE=$?
print_results 0 $CHECK_EXIT_CODE "acceptable descriptions :: $desc"
(( TEST_RESULT += $? ))
done
### unacceptable --line descriptions
# testing handling of invalid patterns for the '--line' option
INVALID_PATTERNS="func:foo func:1-foo func:1+foo func;lazy\*pattern"
for desc in $INVALID_PATTERNS; do
$CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error"
CHECK_EXIT_CODE=$?
print_results 0 $CHECK_EXIT_CODE "unacceptable descriptions :: $desc"
(( TEST_RESULT += $? ))
done
# print overall results
print_overall_results "$TEST_RESULT" $HINT_FAIL
exit $?
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