refactor: modules support redesigned

test/static/fixed_string_test.cpp

@@ -0,0 +1,57 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2018 Mateusz Pusz
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#ifdef MP_UNITS_MODULES
+import mp_units;
+#else
+#include <mp-units/bits/external/fixed_string.h>
+#endif
+
+using namespace mp_units;
+
+namespace {
+
+constexpr basic_fixed_string txt1('a');
+static_assert(txt1.size() == 1);
+static_assert(txt1[0] == 'a');
+static_assert(txt1 == basic_fixed_string("a"));
+static_assert(txt1 < basic_fixed_string("b"));
+static_assert(txt1 < basic_fixed_string("aa"));
+static_assert(txt1 + basic_fixed_string('b') == basic_fixed_string("ab"));
+static_assert(basic_fixed_string('b') + txt1 == basic_fixed_string("ba"));
+static_assert(txt1 + basic_fixed_string("bc") == basic_fixed_string("abc"));
+static_assert(basic_fixed_string("bc") + txt1 == basic_fixed_string("bca"));
+
+constexpr basic_fixed_string txt2("abc");
+static_assert(txt2.size() == 3);
+static_assert(txt2[0] == 'a');
+static_assert(txt2[1] == 'b');
+static_assert(txt2[2] == 'c');
+static_assert(txt2 == basic_fixed_string("abc"));
+static_assert(txt2 < basic_fixed_string("b"));
+static_assert(txt2 > basic_fixed_string("aa"));
+static_assert(txt2 + basic_fixed_string('d') == basic_fixed_string("abcd"));
+static_assert(basic_fixed_string('d') + txt2 == basic_fixed_string("dabc"));
+static_assert(txt2 + basic_fixed_string("def") == basic_fixed_string("abcdef"));
+static_assert(basic_fixed_string("def") + txt2 == basic_fixed_string("defabc"));
+
+}  // namespace