[Intel-gfx] [PATCH i-g-t v2] lib/tests/igt_segfault.c Add unit test to test segfault handling

[Derek Morton]

Unit test to check a segfaulting subtest is handled correctly.

v2: Added script to check subtest results

Signed-off-by: Derek Morton <derek.j.morton at intel.com>
---
 lib/tests/Makefile.sources      |  3 ++
 lib/tests/igt_segfault.c        | 57 ++++++++++++++++++++++++++++++++++++++
 lib/tests/igt_segfault_check.sh | 61 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 121 insertions(+)
 create mode 100644 lib/tests/igt_segfault.c
 create mode 100755 lib/tests/igt_segfault_check.sh

diff --git a/lib/tests/Makefile.sources b/lib/tests/Makefile.sources
index 10e0617..5e601fe 100644
--- a/lib/tests/Makefile.sources
+++ b/lib/tests/Makefile.sources
@@ -8,10 +8,12 @@ check_PROGRAMS = \
 	igt_simple_test_subtests \
 	igt_timeout \
 	igt_invalid_subtest_name \
+	igt_segfault \
 	$(NULL)
 
 check_SCRIPTS = \
 	igt_command_line.sh \
+	igt_segfault_check.sh \
 	$(NULL)
 
 TESTS = \
@@ -29,4 +31,5 @@ XFAIL_TESTS = \
 	igt_simple_test_subtests \
 	igt_timeout \
 	igt_invalid_subtest_name \
+	igt_segfault \
 	$(NULL)
diff --git a/lib/tests/igt_segfault.c b/lib/tests/igt_segfault.c
new file mode 100644
index 0000000..19bb3c2
--- /dev/null
+++ b/lib/tests/igt_segfault.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Derek Morton <derek.j.morton at intel.com>
+ *
+ */
+
+/*
+ *
+ * Testcase: Test the framework catches a segfault and returns an error.
+ *
+ * The test consists of three subtests. The first and third should pass
+ * while the second should cause a segfault.
+ * The overall result should be a failure with two subtests passing.
+ *
+ */
+
+#include "drmtest.h"
+
+igt_main
+{
+	void (*crashme)(void) = NULL;
+
+	igt_subtest("A") {
+		igt_info("Simple passing subtest.\n");
+	}
+
+	igt_subtest("B") {
+		igt_info("Cause a segfault.\n");
+		crashme();
+	}
+
+	igt_subtest("C") {
+		igt_info("2nd Simple passing subtest.\n");
+	}
+}
+
diff --git a/lib/tests/igt_segfault_check.sh b/lib/tests/igt_segfault_check.sh
new file mode 100755
index 0000000..89d0c94
--- /dev/null
+++ b/lib/tests/igt_segfault_check.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+#
+# Copyright © 2015 Intel Corporation
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+#
+# Authors:
+#    Derek Morton <derek.j.morton at intel.com>
+#
+
+#
+# Testcase: Test the subtest results of igt_segfault.
+#
+
+if [ -x "$top_builddir/tests/igt_segfault" ]; then
+	OP=$($top_builddir/tests/igt_segfault)
+	A_MATCH='Subtest A: SUCCESS'
+	B_MATCH='Subtest B: CRASH'
+	C_MATCH='Subtest C: SUCCESS'
+	RESULT='Failed : 1'
+
+	if [[ $OP == *"$A_MATCH"* ]]; then
+		if [[ $OP == *"$B_MATCH"* ]]; then
+			if [[ $OP == *"$C_MATCH"* ]]; then
+				if [[ $OP == *"$RESULT"* ]]; then
+					echo "igt_segfault_check Passed"
+					exit 0
+				else
+					echo "Overall result not Failed"
+				fi
+			else
+				echo "Subtest C not SUCCESS"
+			fi
+		else
+			echo "Subtest B not CRASH"
+		fi
+	else
+		echo "Subtest A not SUCCESS"
+	fi
+else
+	echo "$top_builddir/tests/igt_segfault is not executable"
+fi
+
+exit 99
-- 
1.9.1