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Telegram/ThirdParty/range-v3/test/view/remove.cpp

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+/// \file
+// Range v3 library
+//
+//  Copyright Andrey Diduh 2019
+//
+//  Use, modification and distribution is subject to 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)
+//
+// Project home: https://github.com/ericniebler/range-v3
+//
+
+#include <vector>
+
+#include <range/v3/view/remove.hpp>
+#include <range/v3/view/remove_if.hpp>
+
+#include "../simple_test.hpp"
+#include "../test_utils.hpp"
+
+using namespace ranges;
+
+void test_straight()
+{
+    std::vector<int> vec = {1,2,3,4,5};
+    auto out = vec | views::remove(2);
+
+    ::check_equal(out, {1,3,4,5});
+}
+
+struct Int
+{
+    int i;
+};
+bool operator==(Int left, Int right)
+{
+    return left.i == right.i;
+}
+void test_proj()
+{
+    const std::vector<Int> vec{ Int{1}, Int{2}, Int{3}, Int{4}, Int{5} };
+    auto out = vec | views::remove(2, &Int::i);
+
+    ::check_equal(out, {Int{1}, Int{3}, Int{4}, Int{5}});
+}
+
+int main()
+{
+    // simple interface tests.
+    // All other already tested in remove_if.
+    test_straight();
+    test_proj();
+
+    return test_result();
+}