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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "src/profiling/memory/interner.h"
#include "test/gtest_and_gmock.h"
namespace perfetto {
namespace profiling {
namespace {
TEST(InternerStringTest, Basic) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
ASSERT_EQ(interned_str.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
TEST(InternerStringTest, TwoStrings) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
Interned<std::string> other_interned_str = interner.Intern("bar");
ASSERT_EQ(interned_str.data(), "foo");
ASSERT_EQ(other_interned_str.data(), "bar");
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
TEST(InternerStringTest, TwoReferences) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
ASSERT_EQ(interned_str.data(), "foo");
Interned<std::string> interned_str2 = interner.Intern("foo");
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str2.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
TEST(InternerStringTest, Move) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
{
Interned<std::string> interned_str2(std::move(interned_str));
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str2.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
}
TEST(InternerStringTest, Copy) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
{
Interned<std::string> interned_str2(interned_str);
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str2.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str.data(), "foo");
}
}
TEST(InternerStringTest, MoveAssign) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
{
Interned<std::string> interned_str2 = std::move(interned_str);
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str2.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
}
TEST(InternerStringTest, CopyAssign) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
{
Interned<std::string> interned_str2 = interned_str;
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str2.data(), "foo");
}
ASSERT_EQ(interner.entry_count_for_testing(), 1u);
ASSERT_EQ(interned_str.data(), "foo");
}
}
TEST(InternerStringTest, IDsUnique) {
Interner<std::string> interner;
Interned<std::string> interned_str = interner.Intern("foo");
Interned<std::string> same_interned_str = interner.Intern("foo");
Interned<std::string> other_interned_str = interner.Intern("bar");
EXPECT_EQ(interned_str.id(), same_interned_str.id());
EXPECT_NE(interned_str.id(), other_interned_str.id());
}
TEST(InternerStringTest, IdsConsecutive) {
Interner<std::string> interner;
{
Interned<std::string> interned_str = interner.Intern("foo");
interner.Intern("foo");
Interned<std::string> other_interned_str = interner.Intern("bar");
ASSERT_EQ(interned_str.id() + 1, other_interned_str.id());
}
ASSERT_EQ(interner.entry_count_for_testing(), 0u);
}
} // namespace
} // namespace profiling
} // namespace perfetto