Update test.

Author: shaunrd0

test/src/unit-cppapi-metadata.cc

@@ -184,51 +184,34 @@ TEST_CASE_METHOD(
 
 TEST_CASE_METHOD(
     CPPMetadataFx,
-    "C++ API: Metadata write / read at timestamp smr",
-    "[cppapi][metadata][timestamp][smr]") {
+    "C++ API: Metadata write / read multithread",
+    "[cppapi][metadata][multithread]") {
   create_default_array_1d();
   Context ctx;
-
-  std::vector<uint64_t> a(100);
-  std::iota(a.begin(), a.end(), 0);
-  std::vector<uint64_t> b(1000);
-  std::iota(b.begin(), b.end(), 0);
-
-  const auto tp = TemporalPolicy(TimestampStartEnd, 0, 1);
-  std::latch latch(2);
-  std::string meta[]{"a", "b", "c", "d", "e", "f"};
-  Array array1(ctx, std::string(array_name_), TILEDB_WRITE, tp);
-  array1.put_metadata("a", TILEDB_UINT64, 100, a.data());
-  array1.close();
-
-  Array array(ctx, std::string(array_name_), TILEDB_WRITE, tp);
-  std::thread t1([&]() {
-    for (const auto& x : meta) {
-      array.put_metadata(x, TILEDB_UINT64, 1000, b.data());
-    }
-    latch.count_down();
-    array.close();
-  });
-
-  std::thread t2([&]() {
-    latch.arrive_and_wait();
-    Array read_array(ctx, std::string(array_name_), TILEDB_READ, tp);
-
-    for (const auto& x : meta) {
+  for (int i = 1; i <= 100; i++) {
+    // Grow the size of metadata each write.
+    std::vector<uint64_t> b(100 * i);
+    std::iota(b.begin(), b.end(), 0);
+    std::latch get_metadata(2);
+    std::thread t1([&]() {
+      Array array(ctx, std::string(array_name_), TILEDB_WRITE);
+      array.put_metadata("a", TILEDB_UINT64, b.size(), b.data());
+      get_metadata.count_down();
+      array.close();
+    });
+
+    std::thread t2([&]() {
+      get_metadata.arrive_and_wait();
+      Array read_array(ctx, std::string(array_name_), TILEDB_READ);
       tiledb_datatype_t type;
       uint32_t value_num = 0;
       const void* data;
-      read_array.get_metadata(x, &type, &value_num, &data);
-      std::cout << "'value_num':" << value_num << std::endl;
-      std::cout << "'" << x << "': ";
-      for (size_t i = 0; i < value_num; ++i) {
-        std::cout << ((const uint64_t*)data)[i] << ",";
-      }
-      std::cout << std::endl;
-    }
-    read_array.close();
-  });
-  t1.join(), t2.join();
+      read_array.get_metadata("a", &type, &value_num, &data);
+      read_array.close();
+    });
+
+    t1.join(), t2.join();
+  }
 }
 
 TEST_CASE_METHOD(