12 static int win = 0, lose = 0;
13 static dstr d = DSTR_INIT;
14 static char buf[1024];
16 static void check(const char *what, const char *want)
18 if (strcmp(want, d.buf) == 0)
22 fprintf(stderr, "test failed: %s\n expected: %s\n found: %s\n",
27 static void PRINTF_LIKE(1, 2) format(const char *fmt, ...)
32 dstr_vputf(&d, fmt, &ap);
36 static void PRINTF_LIKE(1, 2) prepare(const char *fmt, ...)
43 n = vsnprintf(buf, sizeof(buf), fmt, ap);
45 n = vsprintf(buf, fmt, ap);
47 assert(0 <= n && n < sizeof(buf));
50 #define TEST1(fmtargs) do { \
53 check(#fmtargs, buf); \
56 #define TEST2(fmtargs, want) do { \
58 check(#fmtargs, want); \
62 "This is a rather longer string than the code is expecting: will it fit?"
66 TEST2(("Hello, world!"), "Hello, world!");
67 TEST2(("just a ->%%<- sign"), "just a ->%<- sign");
68 TEST2(("Testing, testing, %d, %d, %d.", 1, 2, 3),
69 "Testing, testing, 1, 2, 3.");
70 TEST2(("->%5d<-", 138), "-> 138<-");
71 TEST2(("->%*d<-", 5, 138), "-> 138<-");
72 TEST2(("->%-*d<-", 5, 138), "->138 <-");
73 TEST2(("->%*d<-", -5, 138), "->138 <-");
74 TEST2(("->%-*d<-", -5, 138), "->138 <-");
75 TEST2(("->%.*s<-", 5, "truncate me"), "->trunc<-");
76 TEST2(("->%.*s<-", -5, "don't truncate me"), "->don't truncate me<-");
77 TEST2(("Truncation indirect: ->%.*s<-", 10, "a long string to be chopped"),
78 "Truncation indirect: ->a long str<-");
79 TEST2(("%08lx:%s", 0x65604204ul, "tripe-ec"), "65604204:tripe-ec");
80 TEST2(("%s", LENGTHY), LENGTHY);
82 TEST1(("big float: ->%f<- and integer %d\n", DBL_MAX, 42));
84 TEST2(("Testing, testing, %3$d, %2$d, %1$d.", 3, 2, 1),
85 "Testing, testing, 1, 2, 3.");
86 TEST2(("Truncation indirect: ->%1$.*2$s<-",
87 "a long string to be chopped", 10),
88 "Truncation indirect: ->a long str<-");
90 if (!lose) printf("All tests successful.\n");
91 else printf("FAILED %d of %d tests.\n", lose, win + lose);