| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/libaddressinput/chromium/trie.h" |
| |
| #include <stdint.h> |
| #include <set> |
| #include <string> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace autofill { |
| |
| namespace { |
| |
| std::vector<uint8_t> ToByteArray(const std::string& text) { |
| std::vector<uint8_t> result(text.length() + 1, 0); |
| result.assign(text.begin(), text.end()); |
| return result; |
| } |
| |
| } // namespace |
| |
| TEST(TrieTest, EmptyTrieHasNoData) { |
| Trie<std::string> trie; |
| std::set<std::string> result; |
| trie.FindDataForKeyPrefix(ToByteArray("key"), &result); |
| EXPECT_TRUE(result.empty()); |
| } |
| |
| TEST(TrieTest, CanGetDataByExactKey) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| std::set<std::string> result; |
| trie.FindDataForKeyPrefix(ToByteArray("hello"), &result); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| EXPECT_EQ(expected, result); |
| } |
| |
| TEST(TrieTest, CanGetDataByPrefix) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| std::set<std::string> result; |
| trie.FindDataForKeyPrefix(ToByteArray("he"), &result); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| EXPECT_EQ(expected, result); |
| } |
| |
| TEST(TrieTest, KeyTooLongNoData) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| std::set<std::string> result; |
| trie.FindDataForKeyPrefix(ToByteArray("helloo"), &result); |
| EXPECT_TRUE(result.empty()); |
| } |
| |
| TEST(TrieTest, CommonPrefixFindsMultipleData) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| trie.AddDataForKey(ToByteArray("howdy"), "buddy"); |
| trie.AddDataForKey(ToByteArray("foo"), "bar"); |
| std::set<std::string> results; |
| trie.FindDataForKeyPrefix(ToByteArray("h"), &results); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| expected.insert("buddy"); |
| EXPECT_EQ(expected, results); |
| } |
| |
| TEST(TrieTest, KeyCanBePrefixOfOtherKey) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| trie.AddDataForKey(ToByteArray("helloo"), "woorld"); |
| trie.AddDataForKey(ToByteArray("hella"), "warld"); |
| std::set<std::string> results; |
| trie.FindDataForKeyPrefix(ToByteArray("hello"), &results); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| expected.insert("woorld"); |
| EXPECT_EQ(expected, results); |
| } |
| |
| TEST(TrieTest, AllowMutlipleKeys) { |
| Trie<std::string> trie; |
| trie.AddDataForKey(ToByteArray("hello"), "world"); |
| trie.AddDataForKey(ToByteArray("hello"), "woorld"); |
| std::set<std::string> results; |
| trie.FindDataForKeyPrefix(ToByteArray("hello"), &results); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| expected.insert("woorld"); |
| EXPECT_EQ(expected, results); |
| } |
| |
| TEST(TrieTest, CanFindVeryLongKey) { |
| Trie<std::string> trie; |
| static const char kVeryLongKey[] = "1234567890qwertyuioasdfghj"; |
| trie.AddDataForKey(ToByteArray(kVeryLongKey), "world"); |
| std::set<std::string> result; |
| trie.FindDataForKeyPrefix(ToByteArray(kVeryLongKey), &result); |
| std::set<std::string> expected; |
| expected.insert("world"); |
| EXPECT_EQ(expected, result); |
| } |
| |
| } // namespace autofill |