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/*
* Copyright (C) 2013 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 "common_test.h"
#include "utils/scoped_hashtable.h"
using utils::ScopedHashtable;
namespace art {
class Value {
public:
explicit Value(int v):value_(v) {}
int value_;
};
class ScopedHashtableTest : public CommonTest {
};
TEST_F(ScopedHashtableTest, Basics) {
ScopedHashtable<int, Value*> sht;
// Check table is empty when no scope is open.
EXPECT_TRUE(NULL == sht.Lookup(1));
// Check table is empty when scope open.
sht.OpenScope();
EXPECT_TRUE(NULL == sht.Lookup(1));
// Check table is empty after closing scope.
EXPECT_EQ(sht.CloseScope(), true);
// Check closing scope on empty table is no-op.
EXPECT_EQ(sht.CloseScope(), false);
// Check that find in current scope works.
sht.OpenScope();
sht.Add(1, new Value(1));
EXPECT_EQ(sht.Lookup(1)->value_, 1);
// Check that updating values in current scope works.
sht.Add(1, new Value(2));
EXPECT_EQ(sht.Lookup(1)->value_, 2);
// Check that find works in previous scope.
sht.OpenScope();
EXPECT_EQ(sht.Lookup(1)->value_, 2);
// Check that shadowing scopes works.
sht.Add(1, new Value(3));
EXPECT_EQ(sht.Lookup(1)->value_, 3);
// Check that having multiple keys work correctly.
sht.Add(2, new Value(4));
EXPECT_EQ(sht.Lookup(1)->value_, 3);
EXPECT_EQ(sht.Lookup(2)->value_, 4);
// Check that scope removal works corectly.
sht.CloseScope();
EXPECT_EQ(sht.Lookup(1)->value_, 2);
EXPECT_TRUE(NULL == sht.Lookup(2));
}
} // namespace art