37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
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/*
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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 = constant("f");
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expr a = constant("a");
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expr b = constant("b");
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expr x = var(0);
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expr y = var(1);
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expr t = constant("t");
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expr F = lambda("_", t, f(x));
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lean_assert(has_free_var(lambda("_", t, f(var(1))), 0));
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lean_assert(!has_free_var(lambda("_", t, f(var(0))), 1));
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lean_assert(!has_free_var(pi("_", t, 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(lambda("_", t, f(var(2))), 1) == lambda("_", t, f(var(1))));
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lean_assert(lower_free_vars(lambda("_", t, f(var(0))), 1) == 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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