test: Add new humanize unit test

test/.gitignore

@@ -1,5 +1,6 @@
 endian
 fgetln
 headers
+humanize
 overlay
 proctitle

test/Makefile.am

@@ -11,10 +11,12 @@ check_PROGRAMS = \
 	headers \
 	overlay \
 	endian \
+	humanize \
 	fgetln \
 	proctitle \
 	$(nil)
 
+humanize_LDFLAGS = $(top_builddir)/src/libbsd.la
 fgetln_LDFLAGS = $(top_builddir)/src/libbsd.la
 proctitle_LDFLAGS = $(top_builddir)/src/libbsd.la
 

test/humanize.c

@@ -0,0 +1,64 @@
+/*
+ * Copyright © 2013 Guillem Jover <guillem@hadrons.org>
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 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 <assert.h>
+#include <stdlib.h>
+
+int
+main(int argc, char **argv)
+{
+	uint64_t uval;
+	int64_t val;
+
+	assert(expand_number("512", &uval) == 0);
+	assert(uval == 512);
+
+	assert(expand_number("512b", &uval) == 0);
+	assert(uval == 512);
+
+	assert(expand_number("10k", &uval) == 0);
+	assert(uval == 10240);
+
+	assert(expand_number("20M", &uval) == 0);
+	assert(uval == 20971520);
+
+	assert(dehumanize_number("512", &val) == 0);
+	assert(val == 512);
+
+	assert(dehumanize_number("512b", &val) == 0);
+	assert(val == 512);
+
+	assert(dehumanize_number("10k", &val) == 0);
+	assert(val == 10240);
+
+	assert(dehumanize_number("20M", &val) == 0);
+	assert(val == 20971520);
+
+	assert(dehumanize_number("-3G", &val) == 0);
+	assert(val == -3221225472);
+
+	return 0;
+}