1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2023 Google LLC. All rights reserved.
3 //
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file or at
6 // https://developers.google.com/open-source/licenses/bsd
7
8 #include "upb/io/string.h"
9
10 #include <string.h>
11
12 #include <gtest/gtest.h>
13 #include "upb/mem/arena.hpp"
14
TEST(StringTest,Append)15 TEST(StringTest, Append) {
16 upb::Arena arena;
17
18 upb_String foo;
19 EXPECT_TRUE(upb_String_Init(&foo, arena.ptr()));
20 EXPECT_EQ(upb_String_Size(&foo), 0);
21
22 EXPECT_TRUE(upb_String_Assign(&foo, "foobar", 3));
23 EXPECT_EQ(upb_String_Size(&foo), 3);
24 EXPECT_EQ(strcmp(upb_String_Data(&foo), "foo"), 0);
25
26 EXPECT_TRUE(upb_String_Append(&foo, "bar", 3));
27 EXPECT_EQ(upb_String_Size(&foo), 6);
28 EXPECT_EQ(strcmp(upb_String_Data(&foo), "foobar"), 0);
29
30 EXPECT_TRUE(upb_String_Append(&foo, "baz", 3));
31 EXPECT_EQ(upb_String_Size(&foo), 9);
32 EXPECT_EQ(strcmp(upb_String_Data(&foo), "foobarbaz"), 0);
33
34 EXPECT_TRUE(upb_String_Append(&foo, "bat", 3));
35 EXPECT_EQ(upb_String_Size(&foo), 12);
36 EXPECT_EQ(strcmp(upb_String_Data(&foo), "foobarbazbat"), 0);
37
38 EXPECT_TRUE(upb_String_Append(&foo, "feefiefoefoo", 12));
39 EXPECT_EQ(upb_String_Size(&foo), 24);
40 EXPECT_EQ(strcmp(upb_String_Data(&foo), "foobarbazbatfeefiefoefoo"), 0);
41
42 const char* password = "fiddlesnarf";
43 EXPECT_TRUE(upb_String_Assign(&foo, password, strlen(password)));
44 EXPECT_EQ(upb_String_Size(&foo), strlen(password));
45 EXPECT_EQ(strcmp(upb_String_Data(&foo), password), 0);
46 }
47
TEST(StringTest,PushBack)48 TEST(StringTest, PushBack) {
49 upb::Arena arena;
50
51 upb_String foo;
52 EXPECT_TRUE(upb_String_Init(&foo, arena.ptr()));
53 EXPECT_EQ(upb_String_Size(&foo), 0);
54
55 const std::string big =
56 "asfashfxauwhfwu4fuwafxasnfwxnxwunxuwxufhwfaiwj4w9jvwxssldfjlasviorwnvwij"
57 "grsdjrfiasrjrasijgraisjvrvoiasjspjfsjgfasjgiasjidjsrvjsrjrasjfrijwjajsrF"
58 "JWJGF4WWJSAVSLJArSJGFrAISJGASrlafjgrivarijrraisrgjiawrijg3874f87f7hqfhpf"
59 "f8929hr32p8475902387459023475297328-22-3776-26";
60 EXPECT_TRUE(upb_String_Reserve(&foo, big.size() + 1));
61 EXPECT_TRUE(upb_String_Append(&foo, big.data(), big.size()));
62 EXPECT_EQ(upb_String_Size(&foo), big.size());
63 EXPECT_EQ(strcmp(upb_String_Data(&foo), big.data()), 0);
64
65 upb_String bar;
66 EXPECT_TRUE(upb_String_Init(&bar, arena.ptr()));
67 EXPECT_EQ(upb_String_Size(&bar), 0);
68
69 EXPECT_TRUE(upb_String_PushBack(&bar, 'x'));
70 EXPECT_TRUE(upb_String_PushBack(&bar, 'y'));
71 EXPECT_TRUE(upb_String_PushBack(&bar, 'z'));
72 EXPECT_TRUE(upb_String_PushBack(&bar, 'z'));
73 EXPECT_TRUE(upb_String_PushBack(&bar, 'y'));
74 EXPECT_EQ(upb_String_Size(&bar), 5);
75 EXPECT_EQ(strcmp(upb_String_Data(&bar), "xyzzy"), 0);
76 }
77
TEST(StringTest,Erase)78 TEST(StringTest, Erase) {
79 upb::Arena arena;
80
81 upb_String foo;
82 EXPECT_TRUE(upb_String_Init(&foo, arena.ptr()));
83
84 const char* sent = "This is an example sentence.";
85 EXPECT_TRUE(upb_String_Assign(&foo, sent, strlen(sent)));
86 EXPECT_EQ(upb_String_Size(&foo), 28);
87
88 upb_String_Erase(&foo, 10, 8);
89 EXPECT_EQ(upb_String_Size(&foo), 20);
90 EXPECT_EQ(strcmp(upb_String_Data(&foo), "This is an sentence."), 0);
91
92 upb_String_Erase(&foo, 9, 1);
93 EXPECT_EQ(upb_String_Size(&foo), 19);
94 EXPECT_EQ(strcmp(upb_String_Data(&foo), "This is a sentence."), 0);
95
96 upb_String_Erase(&foo, 5, 5);
97 EXPECT_EQ(upb_String_Size(&foo), 14);
98 EXPECT_EQ(strcmp(upb_String_Data(&foo), "This sentence."), 0);
99
100 upb_String_Erase(&foo, 4, 99);
101 EXPECT_EQ(upb_String_Size(&foo), 4);
102 EXPECT_EQ(strcmp(upb_String_Data(&foo), "This"), 0);
103
104 upb_String_Erase(&foo, 0, 4);
105 EXPECT_EQ(upb_String_Size(&foo), 0);
106 EXPECT_EQ(strcmp(upb_String_Data(&foo), ""), 0);
107 }
108