xref: /lighttpd1.4/src/t/test_buffer.c (revision aba45f68)
1 #include "first.h"
2 
3 #undef NDEBUG
4 #include <assert.h>
5 #include <stdio.h>
6 #include <stdlib.h>
7 
8 #include "buffer.h"
9 
10 static void run_buffer_path_simplify(buffer *psrc, buffer *pdest, const char *in, size_t in_len, const char *out, size_t out_len) {
11 	buffer_copy_string_len(psrc, in, in_len);
12 
13 	buffer_path_simplify(pdest, psrc);
14 
15 	if (!buffer_is_equal_string(pdest, out, out_len)) {
16 		fprintf(stderr,
17 			"%s.%d: buffer_path_simplify('%s') failed: expected '%s', got '%s'\n",
18 			__FILE__,
19 			__LINE__,
20 			in,
21 			out,
22 			pdest->ptr ? pdest->ptr : "");
23 		fflush(stderr);
24 		abort();
25 	} else {
26 	      #if 0
27 		fprintf(stdout,
28 			"%s.%d: buffer_path_simplify('%s') succeeded: got '%s'\n",
29 			__FILE__,
30 			__LINE__,
31 			in,
32 			out);
33 	      #endif
34 
35 		if (psrc != pdest) buffer_copy_buffer(psrc, pdest);
36 		buffer_path_simplify(pdest, psrc);
37 
38 		if (!buffer_is_equal_string(pdest, out, out_len)) {
39 			fprintf(stderr,
40 				"%s.%d: buffer_path_simplify('%s') failed - not idempotent: expected '%s', got '%s'\n",
41 				__FILE__,
42 				__LINE__,
43 				out,
44 				out,
45 				pdest->ptr ? pdest->ptr : "");
46 			fflush(stderr);
47 			abort();
48 		}
49 	}
50 }
51 
52 static void test_buffer_path_simplify_with(buffer *psrc, buffer *pdest) {
53 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN(""), CONST_STR_LEN(""));
54 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN(" "), CONST_STR_LEN("/"));
55 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/"), CONST_STR_LEN("/"));
56 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("//"), CONST_STR_LEN("/"));
57 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc"), CONST_STR_LEN("/abc"));
58 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc//"), CONST_STR_LEN("/abc/"));
59 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc/./xyz"), CONST_STR_LEN("/abc/xyz"));
60 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc/.//xyz"), CONST_STR_LEN("/abc/xyz"));
61 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc/../xyz"), CONST_STR_LEN("/xyz"));
62 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/abc/./xyz"), CONST_STR_LEN("/abc/xyz"));
63 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/abc//./xyz"), CONST_STR_LEN("/abc/xyz"));
64 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/abc/../xyz"), CONST_STR_LEN("/xyz"));
65 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc/../xyz/."), CONST_STR_LEN("/xyz/"));
66 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/abc/../xyz/."), CONST_STR_LEN("/xyz/"));
67 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("abc/./xyz/.."), CONST_STR_LEN("/abc/"));
68 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/abc/./xyz/.."), CONST_STR_LEN("/abc/"));
69 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("./xyz/.."), CONST_STR_LEN("/"));
70 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN(".//xyz/.."), CONST_STR_LEN("/"));
71 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/./xyz/.."), CONST_STR_LEN("/"));
72 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN(".././xyz/.."), CONST_STR_LEN("/"));
73 	run_buffer_path_simplify(psrc, pdest, CONST_STR_LEN("/.././xyz/.."), CONST_STR_LEN("/"));
74 }
75 
76 static void test_buffer_path_simplify(void) {
77 	buffer *psrc = buffer_init();
78 	buffer *pdest = buffer_init();
79 
80 	/* test with using the same buffer and with using different buffers */
81 	test_buffer_path_simplify_with(psrc, psrc);
82 	test_buffer_path_simplify_with(pdest, psrc);
83 
84 	buffer_free(psrc);
85 	buffer_free(pdest);
86 }
87 
88 static void test_buffer_to_lower_upper(void) {
89 	buffer *psrc = buffer_init();
90 
91 	buffer_copy_string_len(psrc, CONST_STR_LEN("0123456789abcdefghijklmnopqrstuvwxyz"));
92 	buffer_to_lower(psrc);
93 	assert(buffer_is_equal_string(psrc, CONST_STR_LEN("0123456789abcdefghijklmnopqrstuvwxyz")));
94 	buffer_to_upper(psrc);
95 	assert(buffer_is_equal_string(psrc, CONST_STR_LEN("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")));
96 	buffer_to_upper(psrc);
97 	assert(buffer_is_equal_string(psrc, CONST_STR_LEN("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")));
98 	buffer_to_lower(psrc);
99 	assert(buffer_is_equal_string(psrc, CONST_STR_LEN("0123456789abcdefghijklmnopqrstuvwxyz")));
100 
101 	buffer_free(psrc);
102 }
103 
104 static void test_buffer_string_space(void) {
105 	buffer *b = buffer_init();
106 	size_t space;
107 
108 	space = buffer_string_space(b);
109 	assert(0 == space);
110 	buffer_copy_string_len(b, CONST_STR_LEN(""));
111 	space = buffer_string_space(b);
112 	assert(space > 0);
113 	assert(space + buffer_string_length(b) == b->size - 1);
114 	buffer_commit(b, b->size - 1);
115 	assert(b->used == b->size);
116 	space = buffer_string_space(b);
117 	assert(0 == space);
118 
119 	buffer_free(b);
120 }
121 
122 int main() {
123 	test_buffer_path_simplify();
124 	test_buffer_to_lower_upper();
125 	test_buffer_string_space();
126 
127 	return 0;
128 }
129