1 #include <stdio.h>
2 #include <string.h>
3 #include <limits.h>
4 #include "test.h"
5
6 #define TEST(r, f, x, m) ( \
7 ((r) = (f)) == (x) || \
8 (t_error("%s failed (" m ")\n", #f, r, x), 0) )
9
10 #define TEST_S(s, x, m) ( \
11 !strcmp((s),(x)) || \
12 (t_error("[%s] != [%s] (%s)\n", s, x, m), 0) )
13
14 #define TEST_F(x) ( \
15 TEST(i, sscanf(# x, "%lf", &d), 1, "got %d fields, expected %d"), \
16 TEST(t, d, (double)x, "%g != %g") )
17
main(void)18 int main(void)
19 {
20 int i;
21 char a[100], b[100];
22 int x, y, z, u, v;
23 double d, t;
24
25 TEST(i, sscanf("hello, world\n", "%s %s", a, b), 2, "only %d fields, expected %d");
26 TEST_S(a, "hello,", "");
27 TEST_S(b, "world", "");
28
29 TEST(i, sscanf("hello, world\n", "%[hel]%s", a, b), 2, "only %d fields, expected %d");
30 TEST_S(a, "hell", "");
31 TEST_S(b, "o,", "");
32
33 TEST(i, sscanf("hello, world\n", "%[hel] %s", a, b), 2, "only %d fields, expected %d");
34 TEST_S(a, "hell", "");
35 TEST_S(b, "o,", "");
36
37 a[8] = 'X';
38 a[9] = 0;
39 TEST(i, sscanf("hello, world\n", "%8c%8c", a, b), 1, "%d fields, expected %d");
40 TEST_S(a, "hello, wX", "");
41
42 TEST(i, sscanf("56789 0123 56a72", "%2d%d%*d %[0123456789]\n", &x, &y, a), 3, "only %d fields, expected %d");
43 TEST(i, x, 56, "%d != %d");
44 TEST(i, y, 789, "%d != %d");
45 TEST_S(a, "56", "");
46
47 TEST(i, sscanf("011 0x100 11 0x100 100", "%i %i %o %x %x\n", &x, &y, &z, &u, &v), 5, "only %d fields, expected %d");
48 TEST(i, x, 9, "%d != %d");
49 TEST(i, y, 256, "%d != %d");
50 TEST(i, z, 9, "%d != %d");
51 TEST(i, u, 256, "%d != %d");
52 TEST(i, v, 256, "%d != %d");
53
54 TEST(i, sscanf("20 xyz", "%d %d\n", &x, &y), 1, "only %d fields, expected %d");
55 TEST(i, x, 20, "%d != %d");
56
57 TEST(i, sscanf("xyz", "%d %d\n", &x, &y), 0, "got %d fields, expected no match (%d)");
58
59 TEST(i, sscanf("", "%d %d\n", &x, &y), -1, "got %d fields, expected input failure (%d)");
60
61 TEST(i, sscanf(" 12345 6", "%2d%d%d", &x, &y, &z), 3, "only %d fields, expected %d");
62 TEST(i, x, 12, "%d != %d");
63 TEST(i, y, 345, "%d != %d");
64 TEST(i, z, 6, "%d != %d");
65
66 TEST(i, sscanf(" 0x12 0x34", "%5i%2i", &x, &y), 1, "got %d fields, expected %d");
67 TEST(i, x, 0x12, "%d != %d");
68
69 TEST_F(123);
70 TEST_F(123.0);
71 TEST_F(123.0e+0);
72 TEST_F(123.0e+4);
73 TEST_F(1.234e1234);
74 TEST_F(1.234e-1234);
75 TEST_F(1.234e56789);
76 TEST_F(1.234e-56789);
77 TEST_F(-0.5);
78 TEST_F(0.1);
79 TEST_F(0.2);
80 TEST_F(0.1e-10);
81 TEST_F(0x1234p56);
82
83 TEST(i, sscanf("10e", "%lf", &d), 0, "got %d fields, expected no match (%d)");
84 TEST(i, sscanf("", "%lf\n", &d), -1, "got %d fields, expected input failure (%d)");
85 return t_status;
86 }
87