1 files changed, 73 insertions, 0 deletions
diff --git a/tests/tests.h b/tests/tests.h
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index 0000000..9078938
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+++ b/tests/tests.h
@@ -0,0 +1,73 @@
+// Copyright © Tavian Barnes <tavianator@tavianator.com>
+// SPDX-License-Identifier: 0BSD
+
+/**
+ * Unit tests.
+ */
+
+#ifndef BFS_TESTS_H
+#define BFS_TESTS_H
+
+#include "prelude.h"
+#include "diag.h"
+
+/** Unit test function type. */
+typedef bool test_fn(void);
+
+/** Memory allocation tests. */
+bool check_alloc(void);
+
+/** Standard library wrapper tests. */
+bool check_bfstd(void);
+
+/** Bit manipulation tests. */
+bool check_bit(void);
+
+/** I/O queue tests. */
+bool check_ioq(void);
+
+/** Trie tests. */
+bool check_trie(void);
+
+/** Process spawning tests. */
+bool check_xspawn(void);
+
+/** Time tests. */
+bool check_xtime(void);
+
+/** Don't ignore the bfs_check() return value. */
+attr(nodiscard)
+static inline bool bfs_check(bool ret) {
+	return ret;
+}
+
+/**
+ * Check a condition, logging a message on failure but continuing.
+ */
+#define bfs_check(...) \
+	bfs_check(bfs_check_(#__VA_ARGS__, __VA_ARGS__, "", ""))
+
+#define bfs_check_(str, cond, format, ...) \
+	((cond) ? true : (bfs_diag( \
+		sizeof(format) > 1 \
+			? "%.0s" format "%s%s" \
+			: "Check failed: `%s`%s", \
+		str, __VA_ARGS__), false))
+
+/** Get a string description of the last error. */
+const char *bfs_errstr(void);
+
+/**
+ * Check a condition, logging the current error string on failure.
+ */
+#define bfs_pcheck(...) \
+	bfs_pcheck_(#__VA_ARGS__, __VA_ARGS__, "", "")
+
+#define bfs_pcheck_(str, cond, format, ...) \
+	((cond) ? true : (bfs_diag( \
+		sizeof(format) > 1 \
+			? "%.0s" format "%s%s: %s" \
+			: "Check failed: `%s`%s: %s", \
+		str, __VA_ARGS__, bfs_errstr()), false))
+
+#endif // BFS_TESTS_H