Use mlib strings and vec types in TestSuite files

Author: vector-of-bool

.clang-format

@@ -149,6 +149,7 @@ ForEachMacros:
   - mlib_foreach_urange
   - mlib_foreach
   - mlib_foreach_arr
+  - mlib_vec_foreach
 IfMacros:
   - mlib_assert_aborts
   - KJ_IF_MAYBE

src/common/src/mlib/str_vec.h

@@ -0,0 +1,31 @@
+/**
+ * @file str_vec.h
+ * @brief This file defines mstr_vec, a common "array of strings" type
+ * @date 2025-09-30
+ *
+ * @copyright Copyright 2009-present MongoDB, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MLIB_STR_VEC_H_INCLUDED
+#define MLIB_STR_VEC_H_INCLUDED
+
+#include <mlib/config.h>
+#include <mlib/str.h>
+
+#define T mstr
+#define VecDestroyElement(Ptr) (mstr_delete(*Ptr), Ptr->data = NULL, Ptr->len = 0)
+#define VecCopyElement(Dst, Src) (*Dst = mstr_copy(*Src), Dst->data != NULL)
+#include <mlib/vec.t.h>
+
+#endif // MLIB_STR_VEC_H_INCLUDED