1 files changed, 62 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/set/erase_key.cpp b/src/boost/libs/hana/test/set/erase_key.cpp
new file mode 100644
index 00000000..4103144a
--- /dev/null
+++ b/src/boost/libs/hana/test/set/erase_key.cpp
@@ -0,0 +1,62 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/erase_key.hpp>
+#include <boost/hana/set.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+struct undefined { };
+
+
+int main() {
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(), undefined{}),
+        hana::make_set()
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}), ct_eq<0>{}),
+        hana::make_set()
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}), ct_eq<99>{}),
+        hana::make_set(ct_eq<0>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<0>{}),
+        hana::make_set(ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<1>{}),
+        hana::make_set(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<99>{}),
+        hana::make_set(ct_eq<0>{}, ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<0>{}),
+        hana::make_set(ct_eq<1>{}, ct_eq<2>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<1>{}),
+        hana::make_set(ct_eq<0>{}, ct_eq<2>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<2>{}),
+        hana::make_set(ct_eq<0>{}, ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<99>{}),
+        hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
+    ));
+}