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50 lines
1.7 KiB
50 lines
1.7 KiB
#!/usr/bin/env python3
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# Copyright 2016 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS-IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from absl.testing import parameterized
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from fruit_test_common import *
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COMMON_DEFINITIONS = '''
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#define IN_FRUIT_CPP_FILE 1
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#include "meta/common.h"
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#include <fruit/impl/meta/list.h>
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#include <fruit/impl/meta/metaprogramming.h>
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'''
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class TestList(parameterized.TestCase):
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def test_FoldList(self):
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source = '''
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struct Helper {
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template <typename CurrentResult, typename N>
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struct apply {
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using type = Int<(CurrentResult::value + 1) * N::value>;
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};
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};
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int main() {
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AssertSameType(Id<FoldList(EmptyList, Helper, Int<4>)>, Int<4>);
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AssertSameType(Id<FoldList(Cons<Int<2>, EmptyList>, Helper, Int<4>)>, Int<10>);
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AssertSameType(Id<FoldList(Cons<Int<3>, Cons<Int<2>, EmptyList>>, Helper, Int<4>)>, Int<32>);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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if __name__ == '__main__':
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absltest.main()
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