67 lines
1.7 KiB
C++
67 lines
1.7 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 <iostream>
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#include "util/test.h"
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#include "library/max_sharing.h"
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#include "kernel/abstract.h"
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using namespace lean;
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static void tst1() {
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max_sharing_fn max_fn;
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expr a1 = Const("a");
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expr a2 = Const("a");
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expr N = Const("N");
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expr x = Local("x", N);
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expr y = Local("y", N);
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expr f = Const("f");
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expr F1, F2;
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F1 = f(Fun(x, f(x, x)), Fun(y, f(y, y)));
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lean_assert(!is_eqp(app_arg(app_fn(F1)), app_arg(F1)));
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F2 = max_fn(F1);
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std::cout << F2 << "\n";
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lean_assert(is_eqp(app_arg(app_fn(F2)), app_arg(F2)));
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max_fn.clear();
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}
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static void tst2() {
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max_sharing_fn max_fn1;
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max_sharing_fn max_fn2;
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expr x = Const("x");
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expr f = Const("f");
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expr g = Const("g");
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expr t1 = max_fn2(max_fn1(f(g(x))));
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expr t2 = max_fn2(f(t1, g(x)));
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expr arg1 = app_arg(app_arg(app_fn(t2)));
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expr arg2 = app_arg(t2);
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lean_assert(is_eqp(arg1, arg2));
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}
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static void tst3() {
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max_sharing_fn max_fn;
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expr a1 = Const("a");
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expr a2 = Const("a");
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expr a3 = Const("a");
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expr g = Const("g");
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expr f = Const("f");
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expr new_a1 = max_fn(a1);
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lean_assert(is_eqp(new_a1, a1));
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expr t1 = max_fn(f(a2));
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lean_assert(is_eqp(app_arg(t1), a1));
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expr t2 = max_fn(f(a2));
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lean_assert(is_eqp(t1, t2));
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expr t3 = max_fn(f(a3));
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lean_assert(is_eqp(t1, t3));
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}
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int main() {
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save_stack_info();
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scoped_expr_caching set(false);
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tst1();
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tst2();
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tst3();
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return has_violations() ? 1 : 0;
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}
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