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100 lines
3.0 KiB
100 lines
3.0 KiB
(*
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* Copyright (c) 2016 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*)
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open! IStd
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module F = Format
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module TestInterpreter = AnalyzerTester.Make (ProcCfg.Exceptional) (AddressTaken.TransferFunctions)
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let tests =
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let open OUnit2 in
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let open AnalyzerTester.StructuredSil in
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let assert_empty = invariant "{ }" in
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let int_typ = Typ.Tint IInt in
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let int_ptr_typ = Typ.Tptr (int_typ, Pk_pointer) in
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let fun_ptr_typ = Typ.Tptr (Tfun false, Pk_pointer) in
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let closure_exp captureds =
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let mk_captured_var str = (Exp.Var (ident_of_str str), pvar_of_str str, int_ptr_typ) in
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let captured_vars = List.map ~f:mk_captured_var captureds in
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let closure = { Exp.name=dummy_procname; captured_vars; } in
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Exp.Closure closure in
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let test_list = [
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"address_taken_set_instr",
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[
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b";
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invariant "{ &b }"
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];
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"address_not_taken_set_instr",
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[
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var_assign_addrof_var ~rhs_typ:int_typ "a" "b";
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assert_empty
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];
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"address_not_taken_load_instr1",
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[
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id_assign_var ~rhs_typ:int_ptr_typ "a" "b";
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assert_empty
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];
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"address_not_taken_load_instr2",
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[
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id_assign_var ~rhs_typ:int_typ "a" "b";
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assert_empty
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];
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"take_multiple_addresses",
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[
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b";
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invariant "{ &b }";
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "c" "d";
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invariant "{ &b, &d }";
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var_assign_addrof_var ~rhs_typ:int_typ "e" "f";
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invariant "{ &b, &d }"
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];
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"address_not_taken_closure",
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[
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b";
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var_assign_exp ~rhs_typ:fun_ptr_typ "c" (closure_exp ["d"; "e"]);
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invariant "{ &b }"
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];
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"if_conservative1",
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[
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If (unknown_exp,
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[var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b"],
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[]
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);
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invariant "{ &b }"
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];
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"if_conservative2",
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[
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If (unknown_exp,
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[var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b"],
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[var_assign_addrof_var ~rhs_typ:int_ptr_typ "c" "d"]
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);
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invariant "{ &b, &d }"
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];
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"loop_as_if",
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[
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While (unknown_exp,
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[var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b"]
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);
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invariant "{ &b }"
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];
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"loop_before_after",
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[
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "a" "b";
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invariant "{ &b }";
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While (unknown_exp,
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[var_assign_addrof_var ~rhs_typ:int_ptr_typ "c" "d"]
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);
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invariant "{ &b, &d }";
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var_assign_addrof_var ~rhs_typ:int_ptr_typ "e" "f";
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invariant "{ &b, &d, &f }"
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];
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] |> TestInterpreter.create_tests ProcData.empty_extras ~initial:AddressTaken.Domain.empty in
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"address_taken_suite">:::test_list
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