68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
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// Copyright 2019 Robert Bosch GmbH
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <gtest/gtest.h>
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#include <functional>
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#include <memory>
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#include "tracetools/utils.hpp"
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#include "test_utils.hpp"
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int function_int_int(int num)
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{
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return num + 1;
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}
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void function_generic_shared(const std::shared_ptr<int> p)
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{
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(void)p;
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}
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void function_generic_unique(const std::unique_ptr<int> p)
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{
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(void)p;
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}
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/*
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Testing address and symbol resolution for std::function objects.
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*/
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TEST(TestUtils, valid_address_symbol) {
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std::function<int(int)> f = &function_int_int;
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std::function<int(int)> lambda = [](int num) {return num + 1;};
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std::function<int(int)> l = lambda;
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ASSERT_EQ(f(69), l(69));
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// Address for an std::function with an underlying lambda should be nullptr
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ASSERT_EQ(get_address(l), nullptr) << "get_address() for lambda std::function not 0";
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// But address for one with an actual underlying function should be non-zero
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ASSERT_GT(get_address(f), (void *)0) << "get_address() for function not valid";
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ASSERT_STREQ(get_symbol(get_address(f)), "function_int_int(int)") << "invalid function name";
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// Generic
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std::function<void (const std::shared_ptr<int>)> fg_shared = &function_generic_shared;
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SomeGenericClass<int> gc_shared;
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gc_shared.set(fg_shared);
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ASSERT_GT(gc_shared.get_address_(), (void *)0) << "generic -- address invalid";
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ASSERT_STREQ(gc_shared.get_symbol_(), "function_generic_shared(std::shared_ptr<int>)") << "generic -- symbol invalid";
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std::function<void (const std::unique_ptr<int>)> fg_unique = &function_generic_unique;
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SomeGenericClass<int> gc_unique;
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gc_unique.set(fg_unique);
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ASSERT_GT(gc_unique.get_address_(), (void *)0) << "generic -- address invalid";
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ASSERT_STREQ(gc_unique.get_symbol_(), "function_generic_unique(std::unique_ptr<int, std::default_delete<int> >)") << "generic -- symbol invalid";
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}
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