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66 lines
2.1 KiB
66 lines
2.1 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/graph.h>
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struct A1 {};
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struct B1 {};
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struct C1 {};
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struct D1 {};
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struct E1 {};
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using A = Type<A1>;
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using B = Type<B1>;
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using C = Type<C1>;
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using D = Type<D1>;
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using E = Type<E1>;
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'''
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class TestGraph(parameterized.TestCase):
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def test_GraphFindLoop(self):
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source = '''
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int main() {
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// A -> B, D
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// C -> D
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AssertSameType(Id<GraphFindLoop(Vector<Pair<A, Vector<B, D>>, Pair<C, Vector<D>>, Pair<B, Vector<>>>)>, None);
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// A -> B
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// B -> B
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// C -> B
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AssertSameType(Id<GraphFindLoop(Vector<Pair<A, Vector<B>>, Pair<B, Vector<B>>, Pair<C, Vector<B>>>)>, Vector<B>);
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// A -> D, B
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// B -> C
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// C -> A
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// The order in the result here *does* matter, but rotations of the correct (A,B,C) sequence are also ok.
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// Fix this test as appropriate.
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AssertSameType(Id<GraphFindLoop(Vector<Pair<A, Vector<D, B>>, Pair<B, Vector<C>>, Pair<C, Vector<A>>>)>, Vector<B, C, A>);
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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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