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Subject[PATCH v3 03/24] lockdep tests: Improve testing accuracy
Date
Instead of checking whether the tests produced any output, check the
output itself. This patch avoids that e.g. debug output causes the
message "PASSED!" to be reported for failed tests.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
tools/lib/lockdep/run_tests.sh | 5 +++--
tools/lib/lockdep/tests/AA.sh | 2 ++
tools/lib/lockdep/tests/ABA.sh | 2 ++
tools/lib/lockdep/tests/ABBA.sh | 2 ++
tools/lib/lockdep/tests/ABBA_2threads.sh | 2 ++
tools/lib/lockdep/tests/ABBCCA.sh | 2 ++
tools/lib/lockdep/tests/ABBCCDDA.sh | 2 ++
tools/lib/lockdep/tests/ABCABC.sh | 2 ++
tools/lib/lockdep/tests/ABCDBCDA.sh | 2 ++
tools/lib/lockdep/tests/ABCDBDDA.sh | 2 ++
tools/lib/lockdep/tests/WW.sh | 2 ++
tools/lib/lockdep/tests/unlock_balance.sh | 2 ++
12 files changed, 25 insertions(+), 2 deletions(-)
create mode 100755 tools/lib/lockdep/tests/AA.sh
create mode 100755 tools/lib/lockdep/tests/ABA.sh
create mode 100755 tools/lib/lockdep/tests/ABBA.sh
create mode 100755 tools/lib/lockdep/tests/ABBA_2threads.sh
create mode 100755 tools/lib/lockdep/tests/ABBCCA.sh
create mode 100755 tools/lib/lockdep/tests/ABBCCDDA.sh
create mode 100755 tools/lib/lockdep/tests/ABCABC.sh
create mode 100755 tools/lib/lockdep/tests/ABCDBCDA.sh
create mode 100755 tools/lib/lockdep/tests/ABCDBDDA.sh
create mode 100755 tools/lib/lockdep/tests/WW.sh
create mode 100755 tools/lib/lockdep/tests/unlock_balance.sh

diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index 253719ee6377..bc36178329a8 100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
@@ -11,7 +11,7 @@ find tests -name '*.c' | sort | while read -r i; do
testname=$(basename "$i" .c)
echo -ne "$testname... "
if gcc -o "tests/$testname" -pthread "$i" liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &&
- [ "$(timeout 1 "./tests/$testname" 2>&1 | wc -l)" -gt 0 ]; then
+ timeout 1 "tests/$testname" 2>&1 | "tests/${testname}.sh"; then
echo "PASSED!"
else
echo "FAILED!"
@@ -23,7 +23,8 @@ find tests -name '*.c' | sort | while read -r i; do
testname=$(basename "$i" .c)
echo -ne "(PRELOAD) $testname... "
if gcc -o "tests/$testname" -pthread -Iinclude "$i" &&
- [ "$(timeout 1 ./lockdep "./tests/$testname" 2>&1 | wc -l)" -gt 0 ]; then
+ timeout 1 ./lockdep "tests/$testname" 2>&1 |
+ "tests/${testname}.sh"; then
echo "PASSED!"
else
echo "FAILED!"
diff --git a/tools/lib/lockdep/tests/AA.sh b/tools/lib/lockdep/tests/AA.sh
new file mode 100755
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/AA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/ABA.sh b/tools/lib/lockdep/tests/ABA.sh
new file mode 100755
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/ABBA.sh b/tools/lib/lockdep/tests/ABBA.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBA_2threads.sh b/tools/lib/lockdep/tests/ABBA_2threads.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA_2threads.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBCCA.sh b/tools/lib/lockdep/tests/ABBCCA.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBCCDDA.sh b/tools/lib/lockdep/tests/ABBCCDDA.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCDDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCABC.sh b/tools/lib/lockdep/tests/ABCABC.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCABC.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCDBCDA.sh b/tools/lib/lockdep/tests/ABCDBCDA.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBCDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCDBDDA.sh b/tools/lib/lockdep/tests/ABCDBDDA.sh
new file mode 100755
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBDDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/WW.sh b/tools/lib/lockdep/tests/WW.sh
new file mode 100755
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/WW.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/unlock_balance.sh b/tools/lib/lockdep/tests/unlock_balance.sh
new file mode 100755
index 000000000000..c6e3952303fe
--- /dev/null
+++ b/tools/lib/lockdep/tests/unlock_balance.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: bad unlock balance detected'
--
2.20.0.rc2.403.gdbc3b29805-goog
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