First Commit

ext/libpqxx-7.7.3/test/unit/test_column.cxx

@@ -0,0 +1,61 @@
+#include <pqxx/transaction>
+
+#include "../test_helpers.hxx"
+
+namespace
+{
+void test_table_column()
+{
+  pqxx::connection conn;
+  pqxx::work tx{conn};
+
+  tx.exec0("CREATE TEMP TABLE pqxxfoo (x varchar, y integer, z integer)");
+  tx.exec0("INSERT INTO pqxxfoo VALUES ('xx', 1, 2)");
+  auto R{tx.exec("SELECT z,y,x FROM pqxxfoo")};
+  auto X{tx.exec("SELECT x,y,z,99 FROM pqxxfoo")};
+
+  pqxx::row::size_type x{R.table_column(2)}, y{R.table_column(1)},
+    z{R.table_column(static_cast<int>(0))};
+
+  PQXX_CHECK_EQUAL(x, 0, "Wrong column number.");
+  PQXX_CHECK_EQUAL(y, 1, "Wrong column number.");
+  PQXX_CHECK_EQUAL(z, 2, "Wrong column number.");
+
+  x = R.table_column("x");
+  y = R.table_column("y");
+  z = R.table_column("z");
+
+  PQXX_CHECK_EQUAL(x, 0, "Wrong number for named column.");
+  PQXX_CHECK_EQUAL(y, 1, "Wrong number for named column.");
+  PQXX_CHECK_EQUAL(z, 2, "Wrong number for named column.");
+
+  pqxx::row::size_type xx{X[0].table_column(static_cast<int>(0))},
+    yx{X[0].table_column(pqxx::row::size_type(1))}, zx{X[0].table_column("z")};
+
+  PQXX_CHECK_EQUAL(xx, 0, "Bad result from table_column(int).");
+  PQXX_CHECK_EQUAL(yx, 1, "Bad result from table_column(size_type).");
+  PQXX_CHECK_EQUAL(zx, 2, "Bad result from table_column(string).");
+
+  for (pqxx::row::size_type i{0}; i < std::size(R[0]); ++i)
+    PQXX_CHECK_EQUAL(
+      R[0][i].table_column(), R.table_column(i),
+      "Bad result from column_table().");
+
+  int col;
+  PQXX_CHECK_THROWS_EXCEPTION(
+    col = R.table_column(3), "table_column() with invalid index didn't fail.");
+  pqxx::ignore_unused(col);
+
+  PQXX_CHECK_THROWS_EXCEPTION(
+    col = R.table_column("nonexistent"),
+    "table_column() with invalid column name didn't fail.");
+  pqxx::ignore_unused(col);
+
+  PQXX_CHECK_THROWS_EXCEPTION(
+    col = X.table_column(3), "table_column() on non-table didn't fail.");
+  pqxx::ignore_unused(col);
+}
+} // namespace
+
+
+PQXX_REGISTER_TEST(test_table_column);