36 lines
1.2 KiB
C++
36 lines
1.2 KiB
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 "free_vars.h"
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#include "test.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 x = Var(0);
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expr y = Var(1);
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expr t = Const("t");
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expr F = mk_lambda("_", t, f(x));
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lean_assert(has_free_var(mk_lambda("_", t, f(Var(1))), 0));
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lean_assert(!has_free_var(mk_lambda("_", t, f(Var(0))), 1));
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lean_assert(!has_free_var(mk_pi("_", t, mk_lambda("_", t, f(Var(1)))), 0));
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lean_assert(has_free_var(f(Var(0)), 0));
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lean_assert(has_free_var(f(Var(1)), 1));
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lean_assert(!has_free_var(f(Var(1)), 0));
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lean_assert(has_free_var(f(Var(1)), 0, 2));
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lean_assert(!has_free_var(f(Var(1)), 0, 1));
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lean_assert(lower_free_vars(f(Var(1)), 1) == f(Var(0)));
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lean_assert(lower_free_vars(mk_lambda("_", t, f(Var(2))), 1) == mk_lambda("_", t, f(Var(1))));
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lean_assert(lower_free_vars(mk_lambda("_", t, f(Var(0))), 1) == mk_lambda("_", t, f(Var(0))));
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}
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int main() {
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continue_on_violation(true);
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tst1();
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return has_violations() ? 1 : 0;
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}
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