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