New test.

Rev: src/nettle/testsuite/buffer-test.c:1.1

testsuite/buffer-test.c

+#include "testutils.h"
+#include "buffer.h"
+
+int
+test_main(void)
+{
+  struct nettle_buffer buffer;
+  uint8_t s[5];
+  
+  nettle_buffer_init(&buffer);
+  ASSERT(nettle_buffer_write(&buffer, LDATA("foo")));
+  
+  ASSERT(NETTLE_BUFFER_PUTC(&buffer, 'x'));
+
+  ASSERT(buffer.size == 4);
+  ASSERT(buffer.alloc >= 4);
+  ASSERT(MEMEQ(4, buffer.contents, "foox"));
+
+  nettle_buffer_clear(&buffer);
+  
+  nettle_buffer_init_size(&buffer, sizeof(s), s);
+  ASSERT(buffer.alloc == sizeof(s));
+  ASSERT(nettle_buffer_write(&buffer, LDATA("foo")));
+  ASSERT(buffer.size == 3);
+
+  ASSERT(!nettle_buffer_write(&buffer, LDATA("bar")));
+
+  SUCCESS();
+}