// Copyright 2023 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/containers/to_value_list.h" #include #include "base/containers/flat_set.h" #include "testing/gmock/include/gmock/gmock.h" #include "testing/gtest/include/gtest/gtest.h" namespace base { namespace { // `Value` isn't copyable, so it's not possible to match against Value(x) // directly in `testing::ElementsAre`. This is why Value(x) is replaced with // IsInt(x). auto IsInt(int value) { return testing::Property(&Value::GetInt, testing::Eq(value)); } template void IdentityTest() { C c = {1, 2, 3, 4, 5}; // See comment in `IsInt()` above. EXPECT_THAT(ToValueList(c), testing::ElementsAre(IsInt(1), IsInt(2), IsInt(3), IsInt(4), IsInt(5))); } template void ProjectionTest() { C c = {1, 2, 3, 4, 5}; // See comment in `IsInt()` above. EXPECT_THAT( ToValueList(c, [](int x) { return x + 1; }), testing::ElementsAre(IsInt(2), IsInt(3), IsInt(4), IsInt(5), IsInt(6))); } TEST(ToListTest, Identity) { IdentityTest>(); IdentityTest>(); IdentityTest(); IdentityTest>(); } TEST(ToListTest, Projection) { ProjectionTest>(); ProjectionTest>(); ProjectionTest(); ProjectionTest>(); } // Validates that consuming projections work as intended (every single `Value` // inside `Value::List` is a move-only type). TEST(ToListTest, MoveOnly) { Value::List list; list.resize(10); Value::List mapped_list = ToValueList( std::move(list), [](Value& value) { return std::move(value); }); EXPECT_EQ(mapped_list.size(), 10U); } } // namespace } // namespace base