test: Move and activate fpurge() test case from module to a dedicated file

src/fpurge.c

@@ -44,23 +44,3 @@ fpurge(FILE *fp)
 #else
 #error "Function fpurge() needs to be ported."
 #endif
-
-#ifdef TEST
-int
-main()
-{
-	static FILE fp_bad;
-	FILE *fp;
-
-	if (fpurge(&fp_bad) == 0)
-		return 1;
-
-	fp = fopen("/dev/zero", "r");
-	if (fpurge(fp) < 0)
-		return 1;
-
-	fclose(fp);
-
-	return 0;
-}
-#endif

test/.gitignore

@@ -1,6 +1,7 @@
 endian
 fgetln
 funopen
+fpurge
 headers
 humanize
 overlay

test/Makefile.am

@@ -16,6 +16,7 @@ check_PROGRAMS = \
 	humanize \
 	fgetln \
 	funopen \
+	fpurge \
 	proctitle-init \
 	$(nil)
 

test/fpurge.c

@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2011 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 <stdio.h>
+
+int
+main()
+{
+	static FILE fp_bad;
+	FILE *fp;
+
+	if (fpurge(&fp_bad) == 0)
+		return 1;
+
+	fp = fopen("/dev/zero", "r");
+	if (fpurge(fp) < 0)
+		return 1;
+
+	fclose(fp);
+
+	return 0;
+}