| // Copyright (C) 2014 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 "emugl/common/unique_integer_map.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include <stdio.h> |
| |
| namespace emugl { |
| |
| typedef UniqueIntegerMap<uintptr_t,uint32_t> MyMap; |
| |
| TEST(UniqueIntegerMap, Empty) { |
| MyMap map; |
| |
| EXPECT_TRUE(map.empty()); |
| EXPECT_EQ(0U, map.size()); |
| EXPECT_EQ(0U, map.find(0U)); |
| EXPECT_EQ(0U, map.find(1U)); |
| EXPECT_EQ(0U, map.find(2U)); |
| EXPECT_EQ(0U, map.find(4U)); |
| } |
| |
| TEST(UniqueIntegerMap, AddOne) { |
| MyMap map; |
| uintptr_t key1 = 1U; |
| uint32_t val1 = map.add(key1); |
| |
| EXPECT_NE(0U, val1); |
| EXPECT_EQ(val1, map.find(key1)); |
| EXPECT_EQ(key1, map.findKeyFor(val1)); |
| |
| EXPECT_FALSE(map.empty()); |
| EXPECT_EQ(1U, map.size()); |
| |
| EXPECT_EQ(0U, map.find(0)); |
| EXPECT_EQ(0U, map.findKeyFor(0)); |
| |
| EXPECT_EQ(0U, map.find(key1 + 1)); |
| EXPECT_EQ(0U, map.findKeyFor(val1 + 1)); |
| } |
| |
| TEST(UniqueIntegerMap, AddMultiple) { |
| MyMap map; |
| const size_t kCount = 100; |
| const size_t kKeyMultiplier = 3U; // must be >= 2. |
| uint32_t values[kCount]; |
| |
| for (size_t n = 0; n < kCount; ++n) { |
| uintptr_t key = 1U + n * kKeyMultiplier; |
| values[n] = map.add(key); |
| EXPECT_NE(0U, values[n]) << "key #" << n; |
| } |
| |
| EXPECT_EQ(kCount, map.size()); |
| |
| for (size_t n = 0; n < kCount; ++n) { |
| uintptr_t key = 1U + n * kKeyMultiplier; |
| EXPECT_EQ(values[n], map.find(key)) << "key #" << n; |
| EXPECT_EQ(0U, map.find(key + 1U)) << "key #" << n; |
| } |
| |
| for (size_t n = 0; n < kCount; ++n) { |
| uintptr_t key = 1U + n * kKeyMultiplier; |
| EXPECT_EQ(key, map.findKeyFor(values[n])); |
| } |
| } |
| |
| TEST(UniqueIntegerMap, Del) { |
| MyMap map; |
| const size_t kCount = 100; |
| const size_t kKeyMultiplier = 3U; // must be >= 2. |
| uint32_t values[kCount]; |
| |
| for (size_t n = 0; n < kCount; ++n) { |
| uintptr_t key = 1U + n * kKeyMultiplier; |
| values[n] = map.add(key); |
| } |
| |
| for (size_t n = 0; n < kCount; ++n) { |
| uintptr_t key = 1U + n * kKeyMultiplier; |
| map.del(key); |
| EXPECT_EQ(kCount - 1U - n, map.size()); |
| EXPECT_EQ(0U, map.find(key)); |
| EXPECT_EQ(0U, map.findKeyFor(values[n])); |
| } |
| |
| EXPECT_TRUE(map.empty()); |
| } |
| |
| } // namespace emugl |