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authorVincent Ambo <mail@tazj.in>2020-07-15T07·20+0100
committerVincent Ambo <mail@tazj.in>2020-07-15T07·23+0100
commit1213b086a1015a662ab7ebd658f784534fd3116a (patch)
treed3bc8f3b7f40b8b60f0ef6fbd649cf765f4fdfb6 /third_party/immer/test/array_transient/default.cpp
parent1390827b9ea1e04bc9863e48930bfd16db3b716e (diff)
parent7f19d641647ac4ef313ed88d6b5c140983ce5436 (diff)
merge(3p/immer): Subtree merge at 'ad3e3556d' as 'third_party/immer' r/1299
Change-Id: I9636a41ad44b4218293833fd3e9456d9b07c731b
Diffstat (limited to 'third_party/immer/test/array_transient/default.cpp')
-rw-r--r--third_party/immer/test/array_transient/default.cpp41
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diff --git a/third_party/immer/test/array_transient/default.cpp b/third_party/immer/test/array_transient/default.cpp
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+++ b/third_party/immer/test/array_transient/default.cpp
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+//
+// 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());
+}