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Diffstat (limited to '')
-rw-r--r-- | third_party/immer/test/array_transient/gc.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/immer/test/array_transient/gc.cpp b/third_party/immer/test/array_transient/gc.cpp new file mode 100644 index 000000000000..4b40185e94fa --- /dev/null +++ b/third_party/immer/test/array_transient/gc.cpp @@ -0,0 +1,50 @@ +// +// 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> + +#include <immer/heap/gc_heap.hpp> +#include <immer/refcount/no_refcount_policy.hpp> + +using gc_memory = immer::memory_policy<immer::heap_policy<immer::gc_heap>, + immer::no_refcount_policy, + immer::gc_transience_policy, + false>; + +template <typename T> +using test_array_t = immer::array<T, gc_memory>; + +template <typename T> +using test_array_transient_t = immer::array_transient<T, gc_memory>; + +#define VECTOR_T test_array_t +#define VECTOR_TRANSIENT_T test_array_transient_t + +#include "../vector_transient/generic.ipp" + +TEST_CASE("array provides mutable data") +{ + auto arr = immer::array<int, gc_memory>(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()); +} |