ack/lang/cem/ctest/cterr/bugs.c

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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
*/
/* Author: E.G. Keizer */
char rcs_id[] = "$Header$" ;
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/* This programs is a collection of derived from small tests develloped
for specific bugs/features in the C->EM compiler
*/
char * err_name ;
set_err(s) char *s ; {
printf("%s\n",s) ;
err_name= s ;
}
e(i) {
printf("%s: error %d\n",err_name,i) ;
}
main() {
cmp_rev() ;
loc_dif() ;
con_fold() ;
ass_res() ;
c_to_l() ;
acc_struct() ;
char_param() ;
addr_lb() ;
compl_ind() ;
printf("END\n") ;
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return 0;
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}
cmp_rev() {
/* Some compilers magically transform the second < into a > */
int i,j ;
int result ;
set_err("cmp_rev") ;
i=2 ; j=1 ;
result= ( (j-i<0) == (j-i<0) ) ? 1 : 0 ;
if ( !result ) e(1) ;
}
loc_dif() {
set_err("loc_dif") ;
loc_fa(1,2) ;
}
loc_fa(p1,p2) {
int i ;
if ( &p1-&p2 != -1 ) e(1) ;
if ( &i-&p1 >=0 ) e(2) ;
if ( &p1-&i <=0 ) e(3) ;
}
con_fold() {
set_err("con_fold") ;
#ifndef NOFLOAT
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con_flo( (1 ? 3 : 4.5), 200, 200, 200 ) ;
#endif
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con_lo( 4L + 3, 1 ) ;
}
#ifndef NOFLOAT
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con_flo(d) double d ; {
if ( d>3.00001 || d<2.99999 ) e(1) ;
}
#endif
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con_lo(l) long l ; {
if ( l!=7 ) e(2) ;
}
ass_res() {
char c, *pc ;
int i ;
int s_extend ;
set_err("ass_res") ;
c = -1 ; i=c ;
s_extend= i== -1 ;
pc = &c ;
i = ( *pc++ = 01777 ) ;
switch ( i ) {
case 01777 :
e(1) ; break ;
case -1 :
if ( !s_extend ) e(2) ;
break ;
case 0377 :
if ( s_extend ) e(3) ;
break ;
default :
e(4) ;
}
}
c_to_l() {
char c = -1 ;
long l ;
set_err("c_to_l") ;
l= c ;
if ( c==255 ) {
if ( l!=255 ) e(1) ;
} else {
if ( l!= -1 ) e(2) ;
}
}
acc_struct() {
struct s1 { char s1_a[3] ; } ss1, is1 ;
struct s2 {
int s2_i ;
struct s1 s2_s1 ;
} ;
struct s3 {
int s3_i ;
struct s2 s3_s2 ;
} ss3, *ps3 ;
set_err("acc_struct") ;
ps3 = &ss3 ;
is1.s1_a[0]=1 ; is1.s1_a[1]=100 ; is1.s1_a[2]=127 ;
ss3.s3_s2.s2_s1= is1 ;
ss1 = ps3->s3_s2.s2_s1 ;
if ( ss1.s1_a[0]!=1 ) e(1) ;
if ( ss1.s1_a[1]!=100 ) e(2) ;
if ( ss1.s1_a[2]!=127 ) e(3) ;
}
char_param() {
set_err("char_param") ;
fcall(1,01002,-1) ;
}
fcall(c1,c2,c3) char c1,c2,c3 ; {
if ( c1!=1 ) e(1) ;
if ( c2!=2 ) e(2) ;
c_alter(&c1,127) ;
if ( c1!=127 ) e(3) ;
c_alter(&c3,0) ;
if ( c3 ) e(4) ;
}
c_alter(ptr,val) char *ptr ; int val ; {
*ptr= val ;
}
addr_lb() {
char a[6] ;
int i ;
set_err("addr_lb");
i=6 ;
if ( &a[6] != a+i ) e(1) ;
}
compl_ind() {
char arr[20] ;
int i ;
set_err("compl_ind") ;
arr[10]=111 ;
i=0 ; if ( arr[i+10] != 111 ) e(1) ;
}