diff options
Diffstat (limited to 'src/lib9/testfmt.c')
| -rw-r--r-- | src/lib9/testfmt.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/lib9/testfmt.c b/src/lib9/testfmt.c index c1a91400..fd2b7039 100644 --- a/src/lib9/testfmt.c +++ b/src/lib9/testfmt.c @@ -44,13 +44,31 @@ mysmprint(char *fmt, ...) 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 @@ -72,6 +90,21 @@ main(int argc, char **argv) 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"); @@ -107,6 +140,7 @@ main(int argc, char **argv) #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"); |