13 static int win = 0, lose = 0;
14 static dstr d = DSTR_INIT;
15 static char buf[1024];
17 static void check(const char *what, const char *want)
19 if (STRCMP(want, ==, d.buf))
23 fprintf(stderr, "test failed: %s\n expected: %s\n found: %s\n",
28 static void PRINTF_LIKE(1, 2) format(const char *fmt, ...)
33 dstr_vputf(&d, fmt, &ap);
37 static void PRINTF_LIKE(1, 2) prepare(const char *fmt, ...)
44 n = vsnprintf(buf, sizeof(buf), fmt, ap);
46 n = vsprintf(buf, fmt, ap);
48 assert(0 <= n && n < sizeof(buf));
51 #define TEST1(fmtargs) do { \
54 check(#fmtargs, buf); \
57 #define TEST2(fmtargs, want) do { \
59 check(#fmtargs, want); \
63 "This is a rather longer string than the code is expecting: will it fit?"
67 TEST2(("Hello, world!"), "Hello, world!");
68 TEST2(("just a ->%%<- sign"), "just a ->%<- sign");
69 TEST2(("Testing, testing, %d, %d, %d.", 1, 2, 3),
70 "Testing, testing, 1, 2, 3.");
71 TEST2(("->%5d<-", 138), "-> 138<-");
72 TEST2(("->%*d<-", 5, 138), "-> 138<-");
73 TEST2(("->%-*d<-", 5, 138), "->138 <-");
74 TEST2(("->%*d<-", -5, 138), "->138 <-");
75 TEST2(("->%-*d<-", -5, 138), "->138 <-");
76 TEST2(("->%.*s<-", 5, "truncate me"), "->trunc<-");
77 TEST2(("->%.*s<-", -5, "don't truncate me"), "->don't truncate me<-");
78 TEST2(("Truncation indirect: ->%.*s<-", 10, "a long string to be chopped"),
79 "Truncation indirect: ->a long str<-");
80 TEST2(("%08lx:%s", 0x65604204ul, "tripe-ec"), "65604204:tripe-ec");
81 TEST2(("%s", LENGTHY), LENGTHY);
83 TEST1(("big float: ->%f<- and integer %d\n", DBL_MAX, 42));
85 TEST2(("Testing, testing, %3$d, %2$d, %1$d.", 3, 2, 1),
86 "Testing, testing, 1, 2, 3.");
87 TEST2(("Truncation indirect: ->%1$.*2$s<-",
88 "a long string to be chopped", 10),
89 "Truncation indirect: ->a long str<-");
91 if (!lose) printf("All tests successful.\n");
92 else printf("FAILED %d of %d tests.\n", lose, win + lose);