1 files changed, 43 insertions, 0 deletions
diff --git a/tests/unit/bson/bson_cursor_get_double.c b/tests/unit/bson/bson_cursor_get_double.c
new file mode 100644
index 0000000..7b5cdff
--- /dev/null
+++ b/tests/unit/bson/bson_cursor_get_double.c
@@ -0,0 +1,43 @@
+#include "tap.h"
+#include "test.h"
+#include "bson.h"
+
+#include <string.h>
+
+void
+test_bson_cursor_get_double (void)
+{
+  bson *b;
+  bson_cursor *c;
+  gdouble d = 12.34;
+
+  ok (bson_cursor_get_double (NULL, &d) == FALSE,
+      "bson_cursor_get_double() with a NULL cursor fails");
+
+  b = test_bson_generate_full ();
+  c = bson_cursor_new (b);
+
+  ok (bson_cursor_get_double (c, NULL) == FALSE,
+      "bson_cursor_get_double() with a NULL destination fails");
+  ok (bson_cursor_get_double (c, &d) == FALSE,
+      "bson_cursor_get_double() at the initial position fails");
+  ok (d == 12.34,
+      "destination remains unchanged after failed cursor operations");
+  bson_cursor_free (c);
+
+  c = bson_find (b, "double");
+  ok (bson_cursor_get_double (c, &d),
+      "bson_cursor_get_double() works");
+  ok (d == 3.14,
+      "bson_cursor_get_double() returns the correct result");
+
+  bson_cursor_next (c);
+  ok (bson_cursor_get_double (c, &d) == FALSE,
+      "bson_cursor_get_double() should fail when the cursor points to "
+      "non-double data");
+
+  bson_cursor_free (c);
+  bson_free (b);
+}
+
+RUN_TEST (7, bson_cursor_get_double);