1 files changed, 158 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/_include/auto/unique.hpp b/src/boost/libs/hana/test/_include/auto/unique.hpp
new file mode 100644
index 000000000..8ef7076fb
--- /dev/null
+++ b/src/boost/libs/hana/test/_include/auto/unique.hpp
@@ -0,0 +1,158 @@
+// 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)
+
+#ifndef BOOST_HANA_TEST_AUTO_UNIQUE_HPP
+#define BOOST_HANA_TEST_AUTO_UNIQUE_HPP
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/unique.hpp>
+
+#include "test_case.hpp"
+#include <laws/base.hpp>
+#include <support/equivalence_class.hpp>
+
+
+TestCase test_unique{[]{
+    namespace hana = boost::hana;
+    using hana::test::ct_eq;
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE()),
+        MAKE_TUPLE()
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{})),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{})),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<0>{})),
+        MAKE_TUPLE(ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<0>{}, ct_eq<1>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<0>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<0>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<1>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{})
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(
+            ct_eq<0>{}, ct_eq<0>{},
+            ct_eq<1>{},
+            ct_eq<2>{}, ct_eq<2>{}, ct_eq<2>{},
+            ct_eq<3>{}, ct_eq<3>{}, ct_eq<3>{},
+            ct_eq<0>{})),
+        MAKE_TUPLE(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<0>{})
+    ));
+}};
+
+TestCase test_unique_by{[]{
+    namespace hana = boost::hana;
+    using hana::test::ct_eq;
+
+    struct undefined { };
+
+    auto a = [](auto z) { return ::equivalence_class(ct_eq<999>{}, z); };
+    auto b = [](auto z) { return ::equivalence_class(ct_eq<888>{}, z); };
+    auto c = [](auto z) { return ::equivalence_class(ct_eq<777>{}, z); };
+
+    auto pred = [](auto x, auto y) {
+        return hana::equal(x.unwrap, y.unwrap);
+    };
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(), undefined{}),
+        MAKE_TUPLE()
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{}), c(ct_eq<0>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<0>{}), c(ct_eq<1>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), c(ct_eq<1>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<0>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<0>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<1>{}), b(ct_eq<1>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), b(ct_eq<1>{}))
+    ));
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique(MAKE_TUPLE(
+            a(ct_eq<0>{}), b(ct_eq<0>{}),
+            a(ct_eq<1>{}),
+            a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
+            a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
+            a(ct_eq<0>{})), pred),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
+    ));
+
+    // unique.by
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique.by(pred, MAKE_TUPLE(
+            a(ct_eq<0>{}), b(ct_eq<0>{}),
+            a(ct_eq<1>{}),
+            a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
+            a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
+            a(ct_eq<0>{}))),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
+    ));
+
+    BOOST_HANA_CONSTANT_CHECK(hana::equal(
+        hana::unique.by(pred)(MAKE_TUPLE(
+            a(ct_eq<0>{}), b(ct_eq<0>{}),
+            a(ct_eq<1>{}),
+            a(ct_eq<2>{}), b(ct_eq<2>{}), c(ct_eq<2>{}),
+            a(ct_eq<3>{}), b(ct_eq<3>{}), c(ct_eq<3>{}),
+            a(ct_eq<0>{}))),
+        MAKE_TUPLE(a(ct_eq<0>{}), a(ct_eq<1>{}), a(ct_eq<2>{}), a(ct_eq<3>{}), a(ct_eq<0>{}))
+    ));
+}};
+
+#endif // !BOOST_HANA_TEST_AUTO_UNIQUE_HPP