row_view tests

test/CMakeLists.txt

@@ -48,6 +48,7 @@ add_executable(
 
     unit/field_view.cpp
     unit/field.cpp
+    unit/row_view.cpp
 
     # unit/metadata.cpp
     # unit/value_constexpr.cpp

test/unit/row_view.cpp

@@ -0,0 +1,148 @@
+//
+// Copyright (c) 2019-2022 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <boost/mysql/row_view.hpp>
+#include <boost/mysql/field_view.hpp>
+#include <boost/test/unit_test.hpp>
+#include <cstddef>
+#include <stdexcept>
+#include <vector>
+
+using boost::mysql::row_view;
+using boost::mysql::field_view;
+using boost::mysql::make_field_views;
+
+namespace
+{
+
+BOOST_AUTO_TEST_SUITE(test_row_view)
+
+BOOST_AUTO_TEST_CASE(default_ctor)
+{
+    row_view v;
+    BOOST_TEST(v.empty());
+}
+
+BOOST_AUTO_TEST_CASE(at_empty)
+{
+    row_view v;
+    BOOST_CHECK_THROW(v.at(0), std::out_of_range);
+}
+
+BOOST_AUTO_TEST_CASE(at_in_range)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.at(0) == field_view(42));
+    BOOST_TEST(v.at(1) == field_view(50u));
+    BOOST_TEST(v.at(2) == field_view("test"));
+}
+
+BOOST_AUTO_TEST_CASE(at_out_of_range)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_CHECK_THROW(v.at(3), std::out_of_range);
+}
+
+BOOST_AUTO_TEST_CASE(operator_square_brackets)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v[0] == field_view(42));
+    BOOST_TEST(v[1] == field_view(50u));
+    BOOST_TEST(v[2] == field_view("test"));
+}
+
+BOOST_AUTO_TEST_CASE(front)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.front() == field_view(42));
+}
+
+BOOST_AUTO_TEST_CASE(back_multiple_elms)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.back() == field_view("test"));
+}
+
+BOOST_AUTO_TEST_CASE(back_single_elm)
+{
+    auto fields = make_field_views(42);
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.back() == field_view(42));
+}
+
+BOOST_AUTO_TEST_CASE(empty_true)
+{
+    BOOST_TEST(row_view().empty());
+}
+
+BOOST_AUTO_TEST_CASE(empty_single_elm)
+{
+    auto fields = make_field_views(42);
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(!v.empty());
+}
+
+BOOST_AUTO_TEST_CASE(empty_multiple_elms)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(!v.empty());
+}
+
+BOOST_AUTO_TEST_CASE(size_zero)
+{
+    BOOST_TEST(row_view().size() == 0);
+}
+
+BOOST_AUTO_TEST_CASE(size_single_elm)
+{
+    auto fields = make_field_views(42);
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.size() == 1);
+}
+
+BOOST_AUTO_TEST_CASE(size_multiple_elms)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    row_view v (fields.begin(), fields.size());
+    BOOST_TEST(v.size() == 3);
+}
+
+// As iterators are regular pointers, we don't perform
+// exhaustive testing on iteration
+BOOST_AUTO_TEST_CASE(iterators_empty)
+{
+    const row_view v; // can be called on const objects
+    BOOST_TEST(v.begin() == nullptr);
+    BOOST_TEST(v.end() == nullptr);
+    std::vector<field_view> vec { v.begin(), v.end() };
+    BOOST_TEST(vec.empty());
+}
+
+BOOST_AUTO_TEST_CASE(iterators_multiple_elms)
+{
+    auto fields = make_field_views(42, 50u, "test");
+    const row_view v (fields.begin(), fields.size()); // can be called on const objects
+    BOOST_TEST(v.begin() != nullptr);
+    BOOST_TEST(v.end() != nullptr);
+    BOOST_TEST(std::distance(v.begin(), v.end()) == 3);
+
+    std::vector<field_view> vec { v.begin(), v.end() };
+    BOOST_TEST(vec.size() == 3);
+    BOOST_TEST(vec[0] == field_view(42));
+    BOOST_TEST(vec[1] == field_view(50u));
+    BOOST_TEST(vec[2] == field_view("test"));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}