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29 #include "cx/hash_key.h"
30 #include "cx/string.h"
31
32 #include <gtest/gtest.h>
33
34 TEST(cx_hash_key, functions) {
35 auto str =
"my key";
36 auto len = strlen(str);
37
38 auto str_key = cx_hash_key_str(str);
39 auto bytes_key = cx_hash_key_bytes(
40 reinterpret_cast<
unsigned char const *>(str), len);
41 auto obj_key = cx_hash_key(
42 reinterpret_cast<
void const *>(str), len);
43 auto cxstr_key = cx_hash_key_cxstr(cx_str(str));
44
45 EXPECT_EQ(str_key.hash, bytes_key.hash);
46 EXPECT_EQ(obj_key.hash, bytes_key.hash);
47 EXPECT_EQ(cxstr_key.hash, bytes_key.hash);
48 EXPECT_EQ(str_key.len, len);
49 EXPECT_EQ(cxstr_key.len, len);
50 EXPECT_EQ(bytes_key.len, len);
51 EXPECT_EQ(bytes_key.len, len);
52 EXPECT_EQ(str_key.data, str);
53 }
54
55 TEST(cx_hash_key, empty_string) {
56 auto str =
"";
57
58 auto str_key = cx_hash_key_str(str);
59 auto bytes_key = cx_hash_key_bytes(
60 reinterpret_cast<
unsigned char const *>(str),
0);
61 auto obj_key = cx_hash_key(
62 reinterpret_cast<
void const *>(str),
0);
63
64 EXPECT_EQ(bytes_key.hash, 4152238450u);
65 EXPECT_EQ(str_key.hash, 4152238450u);
66 EXPECT_EQ(obj_key.hash, 4152238450u);
67 EXPECT_EQ(str_key.len,
0);
68 EXPECT_EQ(bytes_key.len,
0);
69 EXPECT_EQ(bytes_key.len,
0);
70 EXPECT_EQ(str_key.data, str);
71 }
72
73 TEST(cx_hash_key, null_ptr) {
74 auto str_key = cx_hash_key_str(nullptr);
75 auto bytes_key = cx_hash_key_bytes(nullptr,
0);
76 auto obj_key = cx_hash_key(nullptr,
0);
77
78 EXPECT_EQ(bytes_key.hash, 1574210520u);
79 EXPECT_EQ(str_key.hash, 1574210520u);
80 EXPECT_EQ(obj_key.hash, 1574210520u);
81 EXPECT_EQ(str_key.len,
0);
82 EXPECT_EQ(bytes_key.len,
0);
83 EXPECT_EQ(bytes_key.len,
0);
84 EXPECT_EQ(str_key.data, nullptr);
85 }
86