Unit test to check a segfaulting subtest is handled correctly.
v2: Added script to check subtest results
v3: Removed script. Updated test to use fork to monitor return status.
v4: Added igt_segfault to .gitignore
Signed-off-by: Derek Morton <derek.j.morton@xxxxxxxxx>
---
lib/tests/.gitignore | 1 +
lib/tests/Makefile.sources | 1 +
lib/tests/igt_segfault.c | 139 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 141 insertions(+)
create mode 100644 lib/tests/igt_segfault.c
diff --git a/lib/tests/.gitignore b/lib/tests/.gitignore
index a745a23..729568b 100644
--- a/lib/tests/.gitignore
+++ b/lib/tests/.gitignore
@@ -5,6 +5,7 @@ igt_list_only
igt_no_exit
igt_no_exit_list_only
igt_no_subtest
+igt_segfault
igt_simple_test_subtests
igt_simulation
igt_timeout
diff --git a/lib/tests/Makefile.sources b/lib/tests/Makefile.sources
index 10e0617..5fa0b31 100644
--- a/lib/tests/Makefile.sources
+++ b/lib/tests/Makefile.sources
@@ -8,6 +8,7 @@ check_PROGRAMS = \
igt_simple_test_subtests \
igt_timeout \
igt_invalid_subtest_name \
+ igt_segfault \
$(NULL)
check_SCRIPTS = \
diff --git a/lib/tests/igt_segfault.c b/lib/tests/igt_segfault.c
new file mode 100644
index 0000000..b420b1a
--- /dev/null
+++ b/lib/tests/igt_segfault.c
@@ -0,0 +1,139 @@
+/*
+ * 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@xxxxxxxxx>
+ *
+ */
+
+/*
+ * Testcase: Test the framework catches a segfault and returns an error.
+ *
+ * 1. Test a crashing simple test is reported.
+ * 2. Test a crashing subtest is reported.
+ * 3. Test a crashing subtest following a passing subtest is reported.
+ * 4. Test a crashing subtest preceeding a passing subtest is reported.
+ */
+
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "drmtest.h"
+#include "igt_core.h"
+
+/*
+ * We need to hide assert from the cocci igt test refactor spatch.
+ *
+ * IMPORTANT: Test infrastructure tests are the only valid places where using
+ * assert is allowed.
+ */
+#define internal_assert assert
+
+bool simple;
+bool runa;
+bool runc;
+char test[] = "test";
+char *argv_run[] = { test };
+
+static int do_fork(void)
+{
+ int pid, status;
+ int argc;
+ void (*crashme)(void) = NULL;
+
+ switch (pid = fork()) {
+ case -1:
+ internal_assert(0);
+ case 0:
+ if (simple) {
+ argc = 1;
+ igt_simple_init(argc, argv_run);
+ crashme();
+
+ igt_exit();
+ } else {
+
+ argc = 1;
+ igt_subtest_init(argc, argv_run);
+
+ if(runa)
+ igt_subtest("A")
+ ;
+
+ igt_subtest("B")
+ crashme();
+
+ if(runc)
+ igt_subtest("C")
+ ;
+
+ igt_exit();
+ }
+ default:
+ while (waitpid(pid, &status, 0) == -1 &&
+ errno == EINTR)
+ ;
+
+ if(WIFSIGNALED(status))
+ return WTERMSIG(status) + 128;
+
+ return WEXITSTATUS(status);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ /* Test Crash in simple test is reported */
+ simple = true;
+ runa=false;
+ runc=false;
+ igt_info("Simple test.\n");
+ fflush(stdout);
+ internal_assert(do_fork() == SIGSEGV + 128);
+
+ /* Test crash in a single subtest is reported */
+ simple = false;
+ igt_info("Single subtest.\n");
+ fflush(stdout);
+ internal_assert(do_fork() == SIGSEGV + 128);
+
+ /* Test crash in a subtest following a pass is reported */
+ simple = false;
+ runa=true;
+ igt_info("Passing then crashing subtest.\n");
+ fflush(stdout);
+ internal_assert(do_fork() == SIGSEGV + 128);
+
+ /* Test crash in a subtest preceeding a pass is reported */
+ simple = false;
+ runa=false;
+ runc=true;
+ igt_info("Crashing then passing subtest.\n");
+ fflush(stdout);
+ internal_assert(do_fork() == SIGSEGV + 128);
+
+ return 0;
+}
+
--
1.9.1
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