1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "scoped_hashtable.h" 18 19 #include "common_runtime_test.h" 20 21 using utils::ScopedHashtable; 22 23 namespace art { 24 25 class Value { 26 public: 27 explicit Value(int v):value_(v) {} 28 int value_; 29 }; 30 31 class ScopedHashtableTest : public testing::Test {}; 32 33 TEST_F(ScopedHashtableTest, Basics) { 34 ScopedHashtable<int, Value*> sht; 35 // Check table is empty when no scope is open. 36 EXPECT_TRUE(NULL == sht.Lookup(1)); 37 38 // Check table is empty when scope open. 39 sht.OpenScope(); 40 EXPECT_TRUE(NULL == sht.Lookup(1)); 41 // Check table is empty after closing scope. 42 EXPECT_EQ(sht.CloseScope(), true); 43 // Check closing scope on empty table is no-op. 44 EXPECT_EQ(sht.CloseScope(), false); 45 // Check that find in current scope works. 46 sht.OpenScope(); 47 sht.Add(1, new Value(1)); 48 EXPECT_EQ(sht.Lookup(1)->value_, 1); 49 // Check that updating values in current scope works. 50 sht.Add(1, new Value(2)); 51 EXPECT_EQ(sht.Lookup(1)->value_, 2); 52 // Check that find works in previous scope. 53 sht.OpenScope(); 54 EXPECT_EQ(sht.Lookup(1)->value_, 2); 55 // Check that shadowing scopes works. 56 sht.Add(1, new Value(3)); 57 EXPECT_EQ(sht.Lookup(1)->value_, 3); 58 // Check that having multiple keys work correctly. 59 sht.Add(2, new Value(4)); 60 EXPECT_EQ(sht.Lookup(1)->value_, 3); 61 EXPECT_EQ(sht.Lookup(2)->value_, 4); 62 // Check that scope removal works corectly. 63 sht.CloseScope(); 64 EXPECT_EQ(sht.Lookup(1)->value_, 2); 65 EXPECT_TRUE(NULL == sht.Lookup(2)); 66 } 67 68 } // namespace art 69
