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[linux.git] / tools / tracing / rtla / tests / engine.sh
1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 test_begin() {
4         # Count tests to allow the test harness to double-check if all were
5         # included correctly.
6         ctr=0
7         [ -z "$RTLA" ] && RTLA="./rtla"
8         [ -n "$TEST_COUNT" ] && echo "1..$TEST_COUNT"
9 }
10
11 check() {
12         # Simple check: run rtla with given arguments and test exit code.
13         # If TEST_COUNT is set, run the test. Otherwise, just count.
14         ctr=$(($ctr + 1))
15         if [ -n "$TEST_COUNT" ]
16         then
17                 # Run rtla; in case of failure, include its output as comment
18                 # in the test results.
19                 result=$(stdbuf -oL $TIMEOUT "$RTLA" $2 2>&1); exitcode=$?
20                 if [ $exitcode -eq 0 ]
21                 then
22                         echo "ok $ctr - $1"
23                 else
24                         echo "not ok $ctr - $1"
25                         # Add rtla output and exit code as comments in case of failure
26                         echo "$result" | col -b | while read line; do echo "# $line"; done
27                         printf "#\n# exit code %s\n" $exitcode
28                 fi
29         fi
30 }
31
32 set_timeout() {
33         TIMEOUT="timeout -v -k 15s $1"
34 }
35
36 unset_timeout() {
37         unset TIMEOUT
38 }
39
40 test_end() {
41         # If running without TEST_COUNT, tests are not actually run, just
42         # counted. In that case, re-run the test with the correct count.
43         [ -z "$TEST_COUNT" ] && TEST_COUNT=$ctr exec bash $0 || true
44 }
45
46 # Avoid any environmental discrepancies
47 export LC_ALL=C
48 unset_timeout
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