unit-tests: Add asserts against job scheduling

src/libcharon/tests/Makefile.am

@@ -28,6 +28,7 @@ exchange_tests_SOURCES = \
   suites/test_child_rekey.c \
   utils/exchange_test_asserts.h utils/exchange_test_asserts.c \
   utils/exchange_test_helper.h utils/exchange_test_helper.c \
+  utils/job_asserts.h \
   utils/mock_dh.h utils/mock_dh.c \
   utils/mock_ipsec.h utils/mock_ipsec.c \
   utils/mock_nonce_gen.h utils/mock_nonce_gen.c \

src/libcharon/tests/utils/job_asserts.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2016 Tobias Brunner
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * Special assertions against job handling.
+ *
+ * @defgroup job_asserts job_asserts
+ * @{ @ingroup test_utils_c
+ */
+
+#ifndef JOB_ASSERTS_H_
+#define JOB_ASSERTS_H_
+
+/**
+ * Initialize an assertion that enforces that no jobs were scheduled.
+ * Must be matched by a call to assert_scheduler().
+ */
+#define assert_no_jobs_scheduled() _assert_jobs_scheduled(0)
+
+/**
+ * Initialize an assertion that enforces that a specific number of jobs was
+ * scheduled.
+ * Must be matched by a call to assert_scheduler().
+ *
+ * @param count			expected number of jobs getting scheduled
+ */
+#define assert_jobs_scheduled(count) _assert_jobs_scheduled(count)
+
+/**
+ * Initialize assertions against job scheduling.
+ * Must be matched by a call to assert_scheduler().
+ */
+#define _assert_jobs_scheduled(count) \
+do { \
+	u_int _initial = lib->scheduler->get_job_load(lib->scheduler); \
+	u_int _expected = count
+
+/**
+ * Enforce scheduler asserts.
+ */
+#define assert_scheduler() \
+	u_int _actual = lib->scheduler->get_job_load(lib->scheduler) - _initial; \
+	test_assert_msg(_expected == _actual, "unexpected number of jobs " \
+					"scheduled (%u != %u)", _expected, _actual); \
+} while(FALSE)
+
+#endif /** JOB_ASSERTS_H_ @}*/