Add SerdNodes class for storing a cache of nodes

2 files changed, 93 insertions, 0 deletions

diff --git a/tests/free_null_test.c b/tests/free_null_test.c
index 68b80012..67932b0f 100644
--- a/tests/free_null_test.c
+++ b/tests/free_null_test.c
@@ -31,6 +31,7 @@ main(void)
 	serd_sink_free(NULL);
 	serd_reader_free(NULL);
 	serd_writer_free(NULL);
+	serd_nodes_free(NULL);
 	serd_cursor_free(NULL);
 
 	return 0;
diff --git a/tests/nodes_test.c b/tests/nodes_test.c
new file mode 100644
index 00000000..423d6230
--- /dev/null
+++ b/tests/nodes_test.c
@@ -0,0 +1,92 @@
+/*
+  Copyright 2018 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "serd/serd.h"
+
+#include <assert.h>
+#include <stddef.h>
+
+static int
+test_intern(void)
+{
+	SerdNodes* nodes = serd_nodes_new();
+	SerdNode*  node  = serd_new_string("node");
+
+	const SerdNode* interned1 = serd_nodes_intern(nodes, node);
+	assert(serd_node_equals(node, interned1));
+
+	const SerdNode* interned2 = serd_nodes_intern(nodes, node);
+	assert(serd_node_equals(node, interned2));
+	assert(interned1 == interned2);
+
+	serd_node_free(node);
+	serd_nodes_free(nodes);
+	return 0;
+}
+
+static int
+test_manage(void)
+{
+	SerdNodes* nodes = serd_nodes_new();
+	SerdNode*  node  = serd_new_string("node");
+
+	assert(!serd_nodes_manage(nodes, NULL));
+
+	const SerdNode* managed1 = serd_nodes_manage(nodes, node);
+	assert(managed1 == node);
+
+	SerdNode*       equal    = serd_new_string("node");
+	const SerdNode* managed2 = serd_nodes_manage(nodes, equal);
+	assert(managed2 == node);
+
+	serd_nodes_free(nodes);
+	return 0;
+}
+
+static int
+test_deref(void)
+{
+	SerdNodes*      nodes   = serd_nodes_new();
+	const SerdNode* managed = serd_nodes_manage(nodes, serd_new_string("node"));
+
+	serd_nodes_deref(nodes, managed);
+
+	SerdNode*       node     = serd_new_string("node");
+	const SerdNode* interned = serd_nodes_intern(nodes, node);
+
+	assert(interned != node);
+
+	serd_node_free(node);
+	serd_nodes_free(nodes);
+	return 0;
+}
+
+int
+main(void)
+{
+	typedef int (*TestFunc)(void);
+
+	const TestFunc tests[] = { test_intern, test_manage, test_deref, NULL };
+
+	int ret = 0;
+	for (const TestFunc* t = tests; *t; ++t) {
+		ret += (*t)();
+	}
+
+	return ret;
+}