42     std::vector<TrieMatch> matches;  in TEST()  local
43     EXPECT_TRUE(trie.FindAllPrefixMatches("hello there", &matches));  in TEST()
44     EXPECT_EQ(matches.size(), 2);  in TEST()
45     EXPECT_EQ(matches[0].id, 0 /*hell*/);  in TEST()
46     EXPECT_EQ(matches[0].match_length, 4 /*hell*/);  in TEST()
47     EXPECT_EQ(matches[1].id, 1 /*hello*/);  in TEST()
48     EXPECT_EQ(matches[1].match_length, 5 /*hello*/);  in TEST()
52     std::vector<TrieMatch> matches;  in TEST()  local
53     EXPECT_TRUE(trie.FindAllPrefixMatches("he", &matches));  in TEST()
54     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()
58     std::vector<TrieMatch> matches;  in TEST()  local
59     EXPECT_TRUE(trie.FindAllPrefixMatches("abcd", &matches));  in TEST()
60     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()
64     std::vector<TrieMatch> matches;  in TEST()  local
65     EXPECT_TRUE(trie.FindAllPrefixMatches("", &matches));  in TEST()
66     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()
70     std::vector<TrieMatch> matches;  in TEST()  local
71     EXPECT_TRUE(trie.FindAllPrefixMatches("hi there", &matches));  in TEST()
72     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()
76     std::vector<TrieMatch> matches;  in TEST()  local
77     EXPECT_TRUE(trie.FindAllPrefixMatches(StringPiece("\0", 1), &matches));  in TEST()
78     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()
82     std::vector<TrieMatch> matches;  in TEST()  local
84         trie.FindAllPrefixMatches(StringPiece("\xff, \xfe", 2), &matches));  in TEST()
85     EXPECT_THAT(matches, testing::IsEmpty());  in TEST()