29 lines
687 B
C++
29 lines
687 B
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "util/test.h"
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#include "kernel/abstract.h"
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#include "library/occurs.h"
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using namespace lean;
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static void tst1() {
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expr f = Const("f");
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expr a = Const("a");
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expr b = Const("b");
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expr T = Type;
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lean_assert(occurs(f, f));
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lean_assert(!occurs(a, f));
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lean_assert(occurs(a, f(a)));
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lean_assert(occurs("a", f(a)));
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lean_assert(!occurs("b", f));
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lean_assert(!occurs(a, Fun({a, T}, f(a))));
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}
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int main() {
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save_stack_info();
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tst1();
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return has_violations() ? 1 : 0;
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}
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