First Commit

ext/libpqxx-7.7.3/test/test62.cxx

@@ -0,0 +1,61 @@
+#include <cstring>
+#include <iostream>
+
+#include <pqxx/transaction>
+
+#include "test_helpers.hxx"
+
+
+using namespace pqxx;
+
+
+// Example program for libpqxx.  Test binary string functionality.
+namespace
+{
+void test_062()
+{
+  connection conn;
+  work tx{conn};
+
+  std::string const TestStr{
+    "Nasty\n\030Test\n\t String with \200\277 weird bytes "
+    "\r\0 and Trailer\\\\\0"};
+
+  tx.exec0("CREATE TEMP TABLE pqxxbin (binfield bytea)");
+
+  std::string const Esc{tx.esc_raw(std::basic_string<std::byte>{
+    reinterpret_cast<std::byte const *>(std::data(TestStr)),
+    std::size(TestStr)})};
+
+  tx.exec0("INSERT INTO pqxxbin VALUES ('" + Esc + "')");
+
+  result R{tx.exec("SELECT * from pqxxbin")};
+  tx.exec0("DELETE FROM pqxxbin");
+
+  auto const B{R.at(0).at(0).as<std::basic_string<std::byte>>()};
+
+  PQXX_CHECK(not std::empty(B), "Binary string became empty in conversion.");
+
+  PQXX_CHECK_EQUAL(
+    std::size(B), std::size(TestStr), "Binary string was mangled.");
+
+  std::basic_string<std::byte>::const_iterator c;
+  std::basic_string<std::byte>::size_type i;
+  for (i = 0, c = std::begin(B); i < std::size(B); ++i, ++c)
+  {
+    PQXX_CHECK(c != std::end(B), "Premature end to binary string.");
+
+    char const x{TestStr.at(i)}, y{char(B.at(i))}, z{char(std::data(B)[i])};
+
+    PQXX_CHECK_EQUAL(
+      std::string(&x, 1), std::string(&y, 1), "Binary string byte changed.");
+
+    PQXX_CHECK_EQUAL(
+      std::string(&y, 1), std::string(&z, 1),
+      "Inconsistent byte at offset " + to_string(i) + ".");
+  }
+}
+
+
+PQXX_REGISTER_TEST(test_062);
+} // namespace