aboutsummaryrefslogtreecommitdiff
path: root/src/lib9/testfmt.c
blob: fd2b7039f2736575a425add24a78a6ff86fe86c2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
#include <u.h>
#include <libc.h>
#include <stdio.h>

int failed;

/* Consume argument and ignore it */
int
Zflag(Fmt* f)
{
	if(va_arg(f->args, int))
		;
	return 1;	/* it's a flag */
}

void
verify(char *s, char *t)
{
	if(strcmp(s, t) != 0){
		failed = 1;
		fprintf(stderr, "error: (%s) != (%s)\n", s, t);
	}
	free(s);
}

Rune lightsmiley = 0x263a;
Rune darksmiley = 0x263b;

/* Test printer that loads unusual decimal point and separator */
char*
mysmprint(char *fmt, ...)
{
	Fmt f;

	if(fmtstrinit(&f) < 0)
		return 0;
	va_start(f.args, fmt);
	f.decimal = smprint("%C", lightsmiley);
	f.thousands = smprint("%C", darksmiley);
	f.grouping = "\1\2\3\4";
	if(dofmt(&f, fmt) < 0)
		return 0;
	va_end(f.args);
	return fmtstrflush(&f);
}

double near1[] = {
	0.5,
	0.95,
	0.995,
	0.9995,
	0.99995,
	0.999995,
	0.9999995,
	0.99999995,
	0.999999995,
};

void
main(int argc, char **argv)
{
	int i, j;

	quotefmtinstall();
	fmtinstall('Z', Zflag);
	fmtinstall(L'\x263a', Zflag);
#ifdef PLAN9PORT
{ extern int __ifmt(Fmt*);
	fmtinstall('i', __ifmt);
}
#endif

	verify(smprint("hello world"), "hello world");
#ifdef PLAN9PORT
	verify(smprint("x: %ux", 0x87654321), "x: 87654321");
#else
	verify(smprint("x: %x", 0x87654321), "x: 87654321");
#endif
	verify(smprint("d: %d", 0x87654321), "d: -2023406815");
	verify(smprint("s: %s", "hi there"), "s: hi there");
	verify(smprint("q: %q", "hi i'm here"), "q: 'hi i''m here'");
	verify(smprint("c: %c", '!'), "c: !");
	verify(smprint("g: %g %g %g", 3.14159, 3.14159e10, 3.14159e-10), "g: 3.14159 3.14159e+10 3.14159e-10");
	verify(smprint("e: %e %e %e", 3.14159, 3.14159e10, 3.14159e-10), "e: 3.141590e+00 3.141590e+10 3.141590e-10");
	verify(smprint("f: %f %f %f", 3.14159, 3.14159e10, 3.14159e-10), "f: 3.141590 31415900000.000000 0.000000");
	verify(smprint("smiley: %C", (Rune)0x263a), "smiley: \xe2\x98\xba");
	verify(smprint("%g %.18g", 2e25, 2e25), "2e+25 2e+25");
	verify(smprint("%2.18g", 1.0), " 1");
	verify(smprint("%f", 3.1415927/4), "0.785398");
	verify(smprint("%d", 23), "23");
	verify(smprint("%i", 23), "23");
	verify(smprint("%Zi", 1234, 23), "23");
	
	/* ANSI and their wacky corner cases */
	verify(smprint("%.0d", 0), "");
	verify(smprint("%.0o", 0), "");
	verify(smprint("%.0x", 0), "");
	verify(smprint("%#.0o", 0), "0");
	verify(smprint("%#.0x", 0), "");
	
	/* difficult floating point tests that many libraries get wrong */
	verify(smprint("%.100f", 1.0), "1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
	verify(smprint("%.100g", 1.0), "1");
	verify(smprint("%0100f", 1.0), "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001.000000");
	for(i=1; i<9; i++)
		for(j=0; j<=i; j++)
			verify(smprint("%.*g", j, near1[i]), "1");

	/* test $ reorderings */
	verify(smprint("%3$d %4$06d %2$d %1$d", 444, 333, 111, 222), "111 000222 333 444");
	verify(smprint("%3$Zd %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
	verify(smprint("%3$d %4$*5$06d %2$d %1$d", 444, 333, 111, 222, 20), "111               000222 333 444");
	verify(smprint("%3$hd %4$*5$06d %2$d %1$d", 444, 333, (short)111, 222, 20), "111               000222 333 444");
	verify(smprint("%3$\xe2\x98\xba""d %5$06d %2$d %1$d", 444, 333, 555, 111, 222), "111 000222 333 444");
	
	/* test %'d formats */
	verify(smprint("%'d %'d %'d", 1, 2222, 33333333), "1 2,222 33,333,333");
	verify(smprint("%'019d", 0), "000,000,000,000,000");
	verify(smprint("%'08d %'08d %'08d", 1, 2222, 33333333), "0,000,001 0,002,222 33,333,333");
#ifdef PLAN9PORT
	verify(smprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
#else
	verify(smprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
#endif
	verify(smprint("%'lld %'lld %'lld", 1LL, 222222222LL, 3333333333333LL), "1 222,222,222 3,333,333,333,333");
	verify(smprint("%'019lld %'019lld %'019lld", 1LL, 222222222LL, 3333333333333LL), "000,000,000,000,001 000,000,222,222,222 003,333,333,333,333");
#ifdef PLAN9PORT
	verify(smprint("%'llux %'lluX %'llub", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
#else
	verify(smprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
#endif

	/* test %'d with custom (utf-8!) separators */
	/* x and b still use : */
	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");
#ifdef PLAN9PORT
	verify(mysmprint("%'ux %'uX %'ub", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
#else
	verify(mysmprint("%'x %'X %'b", 0x11111111, 0xabcd1234, 12345), "1111:1111 ABCD:1234 11:0000:0011:1001");
#endif
	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");
	verify(mysmprint("%'llx %'llX %'llb", 0x111111111111LL, 0xabcd12345678LL, 112342345LL), "1111:1111:1111 ABCD:1234:5678 110:1011:0010:0011:0101:0100:1001");
	verify(mysmprint("%.4f", 3.14159), "3\xe2\x98\xba""1416");

	if(failed)
		sysfatal("tests failed");
	exits(0);
}