42{
44 struct {
45 char *input;
46 const char *output;
47 } tests[] = {
48 { "2 + 2", "4" },
49 { " 2 + 2 ", "4" },
50 { "", "" },
51 { "2 - 4", "-2" },
52 { "4 - 2", "2" },
53 { "-4 - -2", "-2" },
54 { "4 + 2 * 8", "20" },
55 { "(4 + 2) * 8", "48" },
56 { "4 + (2 * 8)", "20" },
57 { "4 + (2 * 8) ? 3 :: 6", "3" },
58 { "4 + 8 / 2", "8" },
59 { "FLOOR(4 + 8 / 3)", "6" },
60 { "(4+8) / 3", "4" },
61 { "4 + 8 % 3", "6" },
62 { "4 + 9 % 3", "4" },
63 { "(4+9) %3", "1" },
64 { "(4+8) %3", "0" },
65 { "(4+9) %3", "1" },
66 { "(4+8) %3", "0" },
67 { "(4+9) % 3", "1" },
68 { "(4+8) % 3", "0" },
69 { "(4+9) % 3", "1" },
70 { "(4+8) % 3", "0" },
71 { "(4+9)% 3", "1" },
72 { "(4+8)% 3", "0" },
73 { "(4+9)% 3", "1" },
74 { "(4+8)% 3", "0" },
75 { "4 & 4", "4" },
76 { "0 & 4", "0" },
77 { "0 & 0", "0" },
78 { "2 | 0", "2" },
79 { "2 | 4", "2" },
80 { "0 | 0", "0" },
81 { "!0 | 0", "1" },
82 { "!4 | 0", "0" },
83 { "4 | !0", "4" },
84 { "!4 | !0", "1" },
85 { "0", "0" },
86 { "!0", "1" },
87 { "00", "00" },
88 { "!00", "1" },
89 { "1", "1" },
90 { "!1", "0" },
91 { "01", "01" },
92 { "!01", "0" },
93 { "3 < 4", "1" },
94 { "4 < 3", "0" },
95 { "3 > 4", "0" },
96 { "4 > 3", "1" },
97 { "3 = 3", "1" },
98 { "3 = 4", "0" },
99 { "3 != 3", "0" },
100 { "3 != 4", "1" },
101 { "3 >= 4", "0" },
102 { "3 >= 3", "1" },
103 { "4 >= 3", "1" },
104 { "3 <= 4", "1" },
105 { "4 <= 3", "0" },
106 { "4 <= 4", "1" },
107 { "3 > 4 & 4 < 3", "0" },
108 { "4 > 3 & 3 < 4", "1" },
109 { "x = x", "1" },
110 { "y = x", "0" },
111 { "x != y", "1" },
112 { "x != x", "0" },
113 { "\"Something interesting\" =~ interesting", "11" },
114 { "\"Something interesting\" =~ Something", "9" },
115 { "\"Something interesting\" : Something", "9" },
116 { "\"Something interesting\" : interesting", "0" },
117 { "\"Something interesting\" =~ \"interesting\"", "11" },
118 { "\"Something interesting\" =~ \"Something\"", "9" },
119 { "\"Something interesting\" : \"Something\"", "9" },
120 { "\"Something interesting\" : \"interesting\"", "0" },
121 { "\"Something interesting\" =~ (interesting)", "11" },
122 { "\"Something interesting\" =~ (Something)", "9" },
123 { "\"Something interesting\" : (Something)", "9" },
124 { "\"Something interesting\" : (interesting)", "0" },
125 { "\"Something interesting\" =~ \"\\(interesting\\)\"", "0" },
126 { "\"Something interesting\" =~ \"\\(Something\\)\"", "0" },
127 { "\"Something interesting\" : \"\\(Something\\)\"", "0" },
128 { "\"Something interesting\" : \"\\(interesting\\)\"", "0" },
129 { "\"011043567857575\" : \"011\\(..\\)\"", "0" },
130 { "\"9011043567857575\" : \"011\\(..\\)\"", "0" },
131 { "\"011043567857575\" =~ \"011\\(..\\)\"", "0" },
132 { "\"9011043567857575\" =~ \"011\\(..\\)\"", "0" },
133 { "\"Something interesting\" =~ (interesting)", "11" },
134 { "\"Something interesting\" =~ (Something)", "9" },
135 { "\"Something interesting\" : (Something)", "9" },
136 { "\"Something interesting\" : (interesting)", "0" },
137 { "\"Something interesting\" =~ \"(interesting)\"", "interesting" },
138 { "\"Something interesting\" =~ \"(Something)\"", "Something" },
139 { "\"Something interesting\" : \"(Something)\"", "Something" },
140 { "\"Something interesting\" : \"(interesting)\"", "" },
141 { "\"011043567857575\" : \"011(..)\"", "04" },
142 { "\"9011043567857575\" : \"011(..)\"", "" },
143 { "\"011043567857575\" =~ \"011(..)\"", "04" },
144 { "\"9011043567857575\" =~ \"011(..)\"", "04" },
145 { "3", "3" },
146 { "something", "something" },
147 { "043", "043" },
148 { "${GLOBAL(ULKOPREFIX)}9${x}", "${GLOBAL(ULKOPREFIX)}9${x}" },
149 { "512059${x}", "512059${x}" },
150 };
152
153 switch (cmd) {
155 info->name =
"expr_test";
156 info->category =
"/main/ast_expr/";
157 info->summary =
"unit test for the internal expression engine";
159 "Verifies behavior for the internal expression engine";
162 break;
163 }
164
166 memset(
buf, 0,
sizeof(
buf));
169 if (strcmp(
buf, tests[i].output)) {
170 ast_test_status_update(
test,
"Case %d: expression '%s' evaluated as '%s', but should have evaluated as '%s'\n", i + 1, tests[i].input,
buf, tests[i].output);
172 }
173 }
174
175 return res;
176}
int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan)
Evaluate the given expression.
static int len(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t buflen)
#define ast_test_status_update(a, b, c...)