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-rw-r--r--lib/kunit/kunit-test.c45
1 files changed, 44 insertions, 1 deletions
diff --git a/lib/kunit/kunit-test.c b/lib/kunit/kunit-test.c
index f7980ef236..e3412e0ca3 100644
--- a/lib/kunit/kunit-test.c
+++ b/lib/kunit/kunit-test.c
@@ -109,6 +109,48 @@ static struct kunit_suite kunit_try_catch_test_suite = {
.test_cases = kunit_try_catch_test_cases,
};
+#if IS_ENABLED(CONFIG_KUNIT_FAULT_TEST)
+
+static void kunit_test_null_dereference(void *data)
+{
+ struct kunit *test = data;
+ int *null = NULL;
+
+ *null = 0;
+
+ KUNIT_FAIL(test, "This line should never be reached\n");
+}
+
+static void kunit_test_fault_null_dereference(struct kunit *test)
+{
+ struct kunit_try_catch_test_context *ctx = test->priv;
+ struct kunit_try_catch *try_catch = ctx->try_catch;
+
+ kunit_try_catch_init(try_catch,
+ test,
+ kunit_test_null_dereference,
+ kunit_test_catch);
+ kunit_try_catch_run(try_catch, test);
+
+ KUNIT_EXPECT_EQ(test, try_catch->try_result, -EINTR);
+ KUNIT_EXPECT_TRUE(test, ctx->function_called);
+}
+
+#endif /* CONFIG_KUNIT_FAULT_TEST */
+
+static struct kunit_case kunit_fault_test_cases[] = {
+#if IS_ENABLED(CONFIG_KUNIT_FAULT_TEST)
+ KUNIT_CASE(kunit_test_fault_null_dereference),
+#endif /* CONFIG_KUNIT_FAULT_TEST */
+ {}
+};
+
+static struct kunit_suite kunit_fault_test_suite = {
+ .name = "kunit_fault",
+ .init = kunit_try_catch_test_init,
+ .test_cases = kunit_fault_test_cases,
+};
+
/*
* Context for testing test managed resources
* is_resource_initialized is used to test arbitrary resources
@@ -826,6 +868,7 @@ static struct kunit_suite kunit_current_test_suite = {
kunit_test_suites(&kunit_try_catch_test_suite, &kunit_resource_test_suite,
&kunit_log_test_suite, &kunit_status_test_suite,
- &kunit_current_test_suite, &kunit_device_test_suite);
+ &kunit_current_test_suite, &kunit_device_test_suite,
+ &kunit_fault_test_suite);
MODULE_LICENSE("GPL v2");