linux-kernel - [PATCH v2 7/7] selftests/ftrace: Add test case for synthetic event syntax errors

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Message-Id: <4f445625d0d6dc0656e550057aa784d56832b5f2.1602533267.git.zanussi@kernel.org>
Date:   Mon, 12 Oct 2020 15:18:09 -0500
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org, axelrasmussen@...gle.com
Cc:     mhiramat@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 7/7] selftests/ftrace: Add test case for synthetic event syntax errors

Add a selftest that verifies that the syntax error messages and caret
positions are correct for most of the possible synthetic event syntax
error cases.

Signed-off-by: Tom Zanussi <zanussi@...nel.org>
---
 .../trigger-synthetic_event_syntax_errors.tc  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc

diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc
new file mode 100644
index 000000000000..136276b11386
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc
@@ -0,0 +1,19 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Synthetic event parser error log check
+# requires: synthetic_events error_log
+
+check_error() { # command-with-error-pos-by-^
+    ftrace_errlog_check 'synthetic_events' "$1" 'synthetic_events'
+}
+
+check_error 'myevent ^chr arg'			# INVALID_TYPE
+check_error 'myevent ^char str[];; int v'	# INVALID_TYPE
+check_error 'myevent char ^str]; int v'		# INVALID_NAME
+check_error 'myevent char ^str;[]'		# INVALID_NAME
+check_error 'myevent ^char str[; int v'		# INVALID_TYPE
+check_error '^mye;vent char str[]'		# BAD_NAME
+check_error 'myevent char str[]; ^int'		# INVALID_FIELD
+check_error '^myevent'				# INCOMPLETE_CMD
+
+exit 0
-- 
2.17.1