fixed problem with file pool when files were opened with 0 as info hash and attempted to close with the correct one. the info hash is no longer used as the key in the file pool. Also updated Makefile.am to include the buffer.hpp and .cpp and to include the storage unit test

test/Makefile.am

@@ -13,6 +13,9 @@ test_ip_filter_LDADD = $(top_builddir)/src/libtorrent.la
 test_piece_picker_SOURCES = main.cpp test_piece_picker.cpp
 test_piece_picker_LDADD = $(top_builddir)/src/libtorrent.la
 
+test_storage_SOURCES = main.cpp test_storage.cpp
+test_storage_LDADD = $(top_builddir)/src/libtorrent.la
+
 noinst_HEADERS = test.hpp
 
 AM_CXXFLAGS=-ftemplate-depth-50 -I$(top_srcdir)/include @DEBUGFLAGS@ @PTHREAD_CFLAGS@

test/test_storage.cpp

@@ -43,7 +43,10 @@ int test_main()
 
 	int num_pieces = (613 + 17 + piece_size - 1) / piece_size;
 	TEST_CHECK(info.num_pieces() == num_pieces);
-	
+
+	char piece[piece_size];
+
+	{ // avoid having two storages use the same files	
 	storage s(info, initial_path());
 
 	// write piece 1 (in slot 0)
@@ -51,7 +54,6 @@ int test_main()
 	s.write(piece1 + half, 0, half, half);
 
 	// verify piece 1
-	char piece[piece_size];
 	s.read(piece, 0, 0, piece_size);
 	TEST_CHECK(std::equal(piece, piece + piece_size, piece1));
 	
@@ -69,6 +71,7 @@ int test_main()
 	// make sure the files have the correct size
 	TEST_CHECK(file_size(initial_path() / "temp_storage" / "test1.tmp") == 17);
 	TEST_CHECK(file_size(initial_path() / "temp_storage" / "test2.tmp") == 31);
+	}
 
 	// make sure the piece_manager can identify the pieces
 	piece_manager pm(info, initial_path());