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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/vector/issue-46.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/vector/issue-46.cpp')
-rw-r--r--third_party/immer/test/vector/issue-46.cpp39
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diff --git a/third_party/immer/test/vector/issue-46.cpp b/third_party/immer/test/vector/issue-46.cpp
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+++ b/third_party/immer/test/vector/issue-46.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
+//
+
+// Thanks Guiguiprim for reporting this issue
+// https://github.com/arximboldi/immer/issues/46
+
+#include <immer/flex_vector.hpp>
+#include <immer/vector.hpp>
+#include <immer/vector_transient.hpp>
+
+#include <catch.hpp>
+
+TEST_CASE("operator==() may return bad result")
+{
+    using bool_vec = immer::flex_vector<bool>;
+
+    immer::vector<bool_vec> v0;
+    auto tv = v0.transient();
+    tv.push_back(bool_vec(9, false));
+    tv.push_back(bool_vec(10, false));
+    tv.push_back(bool_vec(8, false));
+    tv.push_back(bool_vec(6, false));
+    tv.push_back(bool_vec(9, false));
+    tv.push_back(bool_vec(7, false));
+    tv.push_back(bool_vec(8, false));
+    tv.push_back(bool_vec(9, false));
+    tv.push_back(bool_vec(10, false));
+    v0 = tv.persistent();
+
+    auto v1 = v0.update(1, [](bool_vec vec) { return vec.set(8, true); });
+
+    CHECK(v0[1] != v1[1]);
+    CHECK(v0 != v1);
+}