Add test-fmemopen.

regress/Makefile

@@ -14,6 +14,7 @@ BINARIES:=\
 regress \
 
 TESTS:=\
+test-fmemopen \
 test-pthread-argv \
 test-pthread-basic \
 test-pthread-main-join \

regress/test-fmemopen.c++

@@ -0,0 +1,61 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2014.
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see <http://www.gnu.org/licenses/>.
+
+    test-fmemopen.c++
+    Tests basic fmemopen() usage.
+
+*******************************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+
+#include "test.h"
+
+int main(void)
+{
+	const char* string = "VYl/plYoFGAg2";
+	size_t string_length = strlen(string);
+
+	FILE* fp;
+	int c;
+
+	unsigned char* buffer = (unsigned char*) string;
+	size_t buffer_size = string_length;
+
+	if ( !(fp = fmemopen(buffer, buffer_size, "r")) )
+		test_error(errno, "fmemopen");
+
+	for ( size_t i = 0; i < buffer_size; i++ )
+	{
+		c = fgetc(fp);
+		test_assert(!(c == EOF && feof(fp)));
+		test_assert(!(c == EOF && ferror(fp)));
+		test_assert(c != EOF);
+		test_assert((unsigned char) c == buffer[i]);
+		test_assert(!feof(fp));
+		test_assert(!ferror(fp));
+	}
+
+	c = fgetc(fp);
+	test_assert(c == EOF);
+	test_assert(!ferror(fp));
+	test_assert(feof(fp));
+
+	fclose(fp);
+
+	return 0;
+}