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-rw-r--r--regressions/ck_backoff/validate/Makefile15
-rw-r--r--regressions/ck_backoff/validate/validate.c60
2 files changed, 75 insertions, 0 deletions
diff --git a/regressions/ck_backoff/validate/Makefile b/regressions/ck_backoff/validate/Makefile
new file mode 100644
index 0000000..39e6d4f
--- /dev/null
+++ b/regressions/ck_backoff/validate/Makefile
@@ -0,0 +1,15 @@
+.PHONY: check clean
+
+all: validate
+
+validate: validate.c ../../../include/ck_backoff.h
+ $(CC) $(CFLAGS) -o validate validate.c
+
+check: all
+ ./validate
+
+clean:
+ rm -rf validate *.dSYM *.exe
+
+include ../../../build/regressions.build
+CFLAGS+=-D_GNU_SOURCE
diff --git a/regressions/ck_backoff/validate/validate.c b/regressions/ck_backoff/validate/validate.c
new file mode 100644
index 0000000..137d48e
--- /dev/null
+++ b/regressions/ck_backoff/validate/validate.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2011-2015 Samy Al Bahra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ck_backoff.h>
+#include "../../common.h"
+
+int
+main(void)
+{
+ ck_backoff_t backoff = CK_BACKOFF_INITIALIZER;
+ const ck_backoff_t ceiling = CK_BACKOFF_CEILING + 1;
+ unsigned int i = 0;
+
+ fprintf(stderr, "Ceiling is: %u (%#x)\n", CK_BACKOFF_CEILING, CK_BACKOFF_CEILING);
+
+ for (;;) {
+ ck_backoff_t previous = backoff;
+ ck_backoff_eb(&backoff);
+
+ printf("EB %u\n", backoff);
+ if (previous == ceiling) {
+ if (backoff != ceiling)
+ ck_error("[C] GB: expected %u, got %u\n", ceiling, backoff);
+
+ if (i++ >= 1)
+ break;
+ } else if (previous != backoff >> 1) {
+ ck_error("[N] GB: expected %u (%u), got %u\n", previous << 1, previous, backoff);
+ }
+ }
+
+ return 0;
+}
+