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Diffstat (limited to '')
-rw-r--r-- | third_party/immer/test/array_transient/default.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/immer/test/array_transient/default.cpp b/third_party/immer/test/array_transient/default.cpp new file mode 100644 index 000000000000..aa603c7b0aab --- /dev/null +++ b/third_party/immer/test/array_transient/default.cpp @@ -0,0 +1,41 @@ +// +// immer: immutable data structures for C++ +// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente +// +// This software is distributed under the Boost Software License, Version 1.0. +// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt +// + +#include <immer/array.hpp> +#include <immer/array_transient.hpp> + +#define VECTOR_T ::immer::array +#define VECTOR_TRANSIENT_T ::immer::array_transient + +#include "../vector_transient/generic.ipp" + +TEST_CASE("array_transient default constructor compiles") +{ + immer::array_transient<int> transient; +} + +TEST_CASE("array provides mutable data") +{ + auto arr = immer::array<int>(10, 0); + CHECK(arr.size() == 10); + auto tr = arr.transient(); + CHECK(tr.data() == arr.data()); + + auto d = tr.data_mut(); + CHECK(tr.data_mut() != arr.data()); + CHECK(tr.data() == tr.data_mut()); + CHECK(arr.data() != tr.data_mut()); + + arr = tr.persistent(); + CHECK(arr.data() == d); + CHECK(arr.data() == tr.data()); + + CHECK(tr.data_mut() != arr.data()); + CHECK(tr.data() == tr.data_mut()); + CHECK(arr.data() != tr.data_mut()); +} |