1 files changed, 46 insertions, 0 deletions
diff --git a/tests/unit/bson/bson_new_from_data.c b/tests/unit/bson/bson_new_from_data.c
new file mode 100644
index 0000000..740cb6e
--- /dev/null
+++ b/tests/unit/bson/bson_new_from_data.c
@@ -0,0 +1,46 @@
+#include "bson.h"
+#include "test.h"
+#include "tap.h"
+
+#include <string.h>
+
+void
+test_bson_new_from_data (void)
+{
+  bson *orig, *new;
+
+  orig = test_bson_generate_full ();
+
+  ok (bson_new_from_data (NULL, 0) == NULL,
+      "bson_new_from_data (NULL, 0) fails");
+  ok (bson_new_from_data (NULL, bson_size (orig)) == NULL,
+      "bson_new_from_data (NULL, size) fails");
+  ok (bson_new_from_data (bson_data (orig), 0) == NULL,
+      "bson_new_from_data (orig, 0) fails");
+  ok (bson_new_from_data (bson_data (orig), -1) == NULL,
+      "bson_new_from_data (orig, -1) fails");
+  ok (bson_new_from_data (NULL, -1) == NULL,
+      "bson_new_from_data (NULL, -1) fails");
+
+  ok ((new = bson_new_from_data (bson_data (orig),
+                                 bson_size (orig) - 1)) != NULL,
+      "bson_new_from_data() works");
+  cmp_ok (bson_size (new), "==", -1,
+          "Copied object is unfinished");
+  bson_finish (new);
+
+  ok (orig != new, "Copied BSON object is not the same as the original");
+
+  cmp_ok (bson_size (orig), "==", bson_size (new),
+          "Copied (& finished) object has the same size as the original");
+  ok (bson_data (orig) != bson_data (new),
+      "The copied data is not the same as the original");
+  ok (memcmp (bson_data (orig), bson_data (new),
+              bson_size (orig)) == 0,
+      "The copied data is identical to the original");
+
+  bson_free (orig);
+  bson_free (new);
+}
+
+RUN_TEST (11, bson_new_from_data);