xref: /aosp_15_r20/external/cronet/base/functional/overloaded_unittest.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2022 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #include "base/functional/overloaded.h"
6*6777b538SAndroid Build Coastguard Worker 
7*6777b538SAndroid Build Coastguard Worker #include <string>
8*6777b538SAndroid Build Coastguard Worker 
9*6777b538SAndroid Build Coastguard Worker #include "testing/gtest/include/gtest/gtest.h"
10*6777b538SAndroid Build Coastguard Worker #include "third_party/abseil-cpp/absl/types/variant.h"
11*6777b538SAndroid Build Coastguard Worker 
12*6777b538SAndroid Build Coastguard Worker namespace base {
13*6777b538SAndroid Build Coastguard Worker 
TEST(FunctionalTest,Overloaded)14*6777b538SAndroid Build Coastguard Worker TEST(FunctionalTest, Overloaded) {
15*6777b538SAndroid Build Coastguard Worker   struct PackageA {};
16*6777b538SAndroid Build Coastguard Worker   struct PackageB {};
17*6777b538SAndroid Build Coastguard Worker 
18*6777b538SAndroid Build Coastguard Worker   absl::variant<PackageA, PackageB> var = PackageA();
19*6777b538SAndroid Build Coastguard Worker 
20*6777b538SAndroid Build Coastguard Worker   const std::string output =
21*6777b538SAndroid Build Coastguard Worker       absl::visit(Overloaded{[](const PackageA& pack) { return "PackageA"; },
22*6777b538SAndroid Build Coastguard Worker                              [](const PackageB& pack) { return "PackageB"; }},
23*6777b538SAndroid Build Coastguard Worker                   var);
24*6777b538SAndroid Build Coastguard Worker   EXPECT_EQ(output, "PackageA");
25*6777b538SAndroid Build Coastguard Worker }
26*6777b538SAndroid Build Coastguard Worker 
27*6777b538SAndroid Build Coastguard Worker }  // namespace base
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