From 4e2f094d29ff8140f2b46a059128c780560db0f1 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 29 Feb 2024 13:23:02 -0500
Subject: tests: New bfs_check() macro

We now report failures and continue, rather than aborting after the
first failure.
---
 tests/tests.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'tests/tests.h')

diff --git a/tests/tests.h b/tests/tests.h
index d8adbb9..6629dcf 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -9,6 +9,7 @@
 #define BFS_TESTS_H
 
 #include "../src/config.h"
+#include "../src/diag.h"
 
 /** Unit test function type. */
 typedef bool test_fn(void);
@@ -31,4 +32,23 @@ bool check_trie(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))
+
 #endif // BFS_TESTS_H
-- 
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