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31 #include <gtest/gtest.h>
37 #include "base/trie.hh"
38 #include "base/types.hh"
42 static inline uint32_t *ptr(uintptr_t val
)
44 return (uint32_t *)val
;
47 } // anonymous namespace
49 class TrieTestData
: public testing::Test
52 typedef Trie
<Addr
, uint32_t> TrieType
;
59 trie
.dump("test trie", ss
);
64 TEST_F(TrieTestData
, Empty
)
66 EXPECT_EQ(trie
.lookup(0x123456701234567), nullptr) << dumpTrie();
69 TEST_F(TrieTestData
, SingleEntry
)
71 trie
.insert(0x0123456789abcdef, 40, ptr(1));
72 EXPECT_EQ(trie
.lookup(0x123456701234567), nullptr) << dumpTrie();
73 EXPECT_EQ(trie
.lookup(0x123456789ab0000), ptr(1)) << dumpTrie();
76 TEST_F(TrieTestData
, TwoOverlappingEntries
)
78 trie
.insert(0x0123456789abcdef, 40, ptr(1));
79 trie
.insert(0x0123456789abcdef, 36, ptr(2));
80 EXPECT_EQ(trie
.lookup(0x123456700000000), nullptr) << dumpTrie();
81 EXPECT_EQ(trie
.lookup(0x123456789ab0000), ptr(2)) << dumpTrie();
84 TEST_F(TrieTestData
, TwoOverlappingEntriesReversed
)
86 trie
.insert(0x0123456789abcdef, 36, ptr(2));
87 trie
.insert(0x0123456789abcdef, 40, ptr(1));
88 EXPECT_EQ(trie
.lookup(0x123456700000000), nullptr) << dumpTrie();
89 EXPECT_EQ(trie
.lookup(0x123456789ab0000), ptr(2)) << dumpTrie();
92 TEST_F(TrieTestData
, TwoIndependentEntries
)
94 trie
.insert(0x0123456789abcdef, 40, ptr(2));
95 trie
.insert(0x0123456776543210, 40, ptr(1));
96 EXPECT_EQ(trie
.lookup(0x0123456789000000), ptr(2)) << dumpTrie();
97 EXPECT_EQ(trie
.lookup(0x0123456776000000), ptr(1)) << dumpTrie();
98 EXPECT_EQ(trie
.lookup(0x0123456700000000), nullptr) << dumpTrie();
101 TEST_F(TrieTestData
, TwoEntries
)
103 trie
.insert(0x0123456789000000, 40, ptr(4));
104 trie
.insert(0x0123000000000000, 40, ptr(1));
105 trie
.insert(0x0123456780000000, 40, ptr(3));
106 trie
.insert(0x0123456700000000, 40, ptr(2));
108 EXPECT_EQ(trie
.lookup(0x0123000000000000), ptr(1)) << dumpTrie();
109 EXPECT_EQ(trie
.lookup(0x0123456700000000), ptr(2)) << dumpTrie();
110 EXPECT_EQ(trie
.lookup(0x0123456780000000), ptr(3)) << dumpTrie();
111 EXPECT_EQ(trie
.lookup(0x0123456789000000), ptr(4)) << dumpTrie();
114 TEST_F(TrieTestData
, RemovingEntries
)
116 TrieType::Handle node1
, node2
;
117 trie
.insert(0x0123456789000000, 40, ptr(4));
118 trie
.insert(0x0123000000000000, 40, ptr(1));
119 trie
.insert(0x0123456780000000, 40, ptr(3));
120 node1
= trie
.insert(0x0123456700000000, 40, ptr(2));
121 node2
= trie
.insert(0x0123456700000000, 32, ptr(10));
123 EXPECT_EQ(trie
.lookup(0x0123000000000000), ptr(1)) << dumpTrie();
124 EXPECT_EQ(trie
.lookup(0x0123456700000000), ptr(10)) << dumpTrie();
125 EXPECT_EQ(trie
.lookup(0x0123456780000000), ptr(10)) << dumpTrie();
126 EXPECT_EQ(trie
.lookup(0x0123456789000000), ptr(10)) << dumpTrie();
130 EXPECT_EQ(trie
.lookup(0x0123000000000000), ptr(1)) << dumpTrie();
131 EXPECT_EQ(trie
.lookup(0x0123456700000000), ptr(2)) << dumpTrie();
132 EXPECT_EQ(trie
.lookup(0x0123456780000000), ptr(3)) << dumpTrie();
133 EXPECT_EQ(trie
.lookup(0x0123456789000000), ptr(4)) << dumpTrie();
137 EXPECT_EQ(trie
.lookup(0x0123000000000000), ptr(1)) << dumpTrie();
138 EXPECT_EQ(trie
.lookup(0x0123456700000000), nullptr) << dumpTrie();
139 EXPECT_EQ(trie
.lookup(0x0123456780000000), ptr(3)) << dumpTrie();
140 EXPECT_EQ(trie
.lookup(0x0123456789000000), ptr(4)) << dumpTrie();