1 #include <u.h>
2 #include <libc.h>
3 #include <stdio.h>
4 
5 int failed;
6 
7 /* Consume argument and ignore it */
8 int
9 Zflag(Fmt* f)
10 {
11 	if(va_arg(f->args, int))
12 		;
13 	return 1;	/* it's a flag */
14 }
15 
16 void
17 verify(char *s, char *t)
18 {
19 	if(strcmp(s, t) != 0){
20 		failed = 1;
21 		fprintf(stderr, "error: (%s) != (%s)\n", s, t);
22 	}
23 	free(s);
24 }
25 
26 Rune lightsmiley = 0x263a;
27 Rune darksmiley = 0x263b;
28 
29 /* Test printer that loads unusual decimal point and separator */
30 char*
31 mysmprint(char *fmt, ...)
32 {
33 	Fmt f;
34 
35 	if(fmtstrinit(&f) < 0)
36 		return 0;
37 	va_start(f.args, fmt);
38 	f.decimal = smprint("%C", lightsmiley);
39 	f.thousands = smprint("%C", darksmiley);
40 	f.grouping = "\1\2\3\4";
41 	if(dofmt(&f, fmt) < 0)
42 		return 0;
43 	va_end(f.args);
44 	return fmtstrflush(&f);
45 }
46 
47 double near1[] = {
48 	0.5,
49 	0.95,
50 	0.995,
51 	0.9995,
52 	0.99995,
53 	0.999995,
54 	0.9999995,
55 	0.99999995,
56 	0.999999995,
57 };
58 
59 void
60 main(int argc, char **argv)
61 {
62 	int i, j;
63 
64 	quotefmtinstall();
65 	fmtinstall('Z', Zflag);
66 	fmtinstall(L'\x263a', Zflag);
67 #ifdef PLAN9PORT
68 { extern int __ifmt(Fmt*);
69 	fmtinstall('i', __ifmt);
70 }
71 #endif
72 
73 	verify(smprint("hello world"), "hello world");
74 #ifdef PLAN9PORT
75 	verify(smprint("x: %ux", 0x87654321), "x: 87654321");
76 #else
77 	verify(smprint("x: %x", 0x87654321), "x: 87654321");
78 #endif
79 	verify(smprint("d: %d", 0x87654321), "d: -2023406815");
80 	verify(smprint("s: %s", "hi there"), "s: hi there");
81 	verify(smprint("q: %q", "hi i'm here"), "q: 'hi i''m here'");
82 	verify(smprint("c: %c", '!'), "c: !");
83 	verify(smprint("g: %g %g %g", 3.14159, 3.14159e10, 3.14159e-10), "g: 3.14159 3.14159e+10 3.14159e-10");
84 	verify(smprint("e: %e %e %e", 3.14159, 3.14159e10, 3.14159e-10), "e: 3.141590e+00 3.141590e+10 3.141590e-10");
85 	verify(smprint("f: %f %f %f", 3.14159, 3.14159e10, 3.14159e-10), "f: 3.141590 31415900000.000000 0.000000");
86 	verify(smprint("smiley: %C", (Rune)0x263a), "smiley: \xe2\x98\xba");
87 	verify(smprint("%g %.18g", 2e25, 2e25), "2e+25 2e+25");
88 	verify(smprint("%2.18g", 1.0), " 1");
89 	verify(smprint("%f", 3.1415927/4), "0.785398");
90 	verify(smprint("%d", 23), "23");
91 	verify(smprint("%i", 23), "23");
92 	verify(smprint("%Zi", 1234, 23), "23");
93 
94 	/* ANSI and their wacky corner cases */
95 	verify(smprint("%.0d", 0), "");
96 	verify(smprint("%.0o", 0), "");
97 	verify(smprint("%.0x", 0), "");
98 	verify(smprint("%#.0o", 0), "0");
99 	verify(smprint("%#.0x", 0), "");
100 
101 	/* difficult floating point tests that many libraries get wrong */
102 	verify(smprint("%.100f", 1.0), "1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
103 	verify(smprint("%.100g", 1.0), "1");
104 	verify(smprint("%0100f", 1.0), "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001.000000");
105 	for(i=1; i<9; i++)
106 		for(j=0; j<=i; j++)
107 			verify(smprint("%.*g", j, near1[i]), "1");
108 
109 	/* test $ reorderings */
110 	verify(smprint("%3$d %4$06d %2$d %1$d", 444, 333, 111, 222), "111 000222 333 444");
111 	verify(smprint("%3$Zd %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
112 	verify(smprint("%3$d %4$*5$06d %2$d %1$d", 444, 333, 111, 222, 20), "111               000222 333 444");
113 	verify(smprint("%3$hd %4$*5$06d %2$d %1$d", 444, 333, (short)111, 222, 20), "111               000222 333 444");
114 	verify(smprint("%3$\xe2\x98\xba""d %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
115 
116 	/* test %'d formats */
117 	verify(smprint("%'d %'d %'d", 1, 2222, 33333333), "1 2,222 33,333,333");
118 	verify(smprint("%'019d", 0), "000,000,000,000,000");
119 	verify(smprint("%'08d %'08d %'08d", 1, 2222, 33333333), "0,000,001 0,002,222 33,333,333");
120 #ifdef PLAN9PORT
121 	verify(smprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
122 #else
123 	verify(smprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
124 #endif
125 	verify(smprint("%'lld %'lld %'lld", 1LL, 222222222LL, 3333333333333LL), "1 222,222,222 3,333,333,333,333");
126 	verify(smprint("%'019lld %'019lld %'019lld", 1LL, 222222222LL, 3333333333333LL), "000,000,000,000,001 000,000,222,222,222 003,333,333,333,333");
127 #ifdef PLAN9PORT
128 	verify(smprint("%'llux %'lluX %'llub", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
129 #else
130 	verify(smprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
131 #endif
132 
133 	/* test %'d with custom (utf-8!) separators */
134 	/* x and b still use : */
135 	verify(mysmprint("%'d %'d %'d", 1, 2222, 33333333), "1 2\xe2\x98\xbb""22\xe2\x98\xbb""2 33\xe2\x98\xbb""333\xe2\x98\xbb""33\xe2\x98\xbb""3");
136 #ifdef PLAN9PORT
137 	verify(mysmprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
138 #else
139 	verify(mysmprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
140 #endif
141 	verify(mysmprint("%'lld %'lld %'lld", 1LL, 222222222LL, 3333333333333LL), "1 222\xe2\x98\xbb""222\xe2\x98\xbb""22\xe2\x98\xbb""2 333\xe2\x98\xbb""3333\xe2\x98\xbb""333\xe2\x98\xbb""33\xe2\x98\xbb""3");
142 	verify(mysmprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
143 	verify(mysmprint("%.4f", 3.14159), "3\xe2\x98\xba""1416");
144 
145 	if(failed)
146 		sysfatal("tests failed");
147 	exits(0);
148 }