1+ #include <assert.h>
12#include <emscripten.h>
23#include <errno.h>
34#include <fcntl.h>
@@ -113,7 +114,7 @@ int main() {
113114
114115 printf ("\nTest 1: open custom TTY device and check isatty\n" );
115116 int fd = open ("/custom_tty" , O_RDWR );
116- printf ( "open custom_tty: %d\n" , fd >= 0 ? 1 : 0 );
117+ assert ( fd >= 0 );
117118 printf ("isatty: %d\n" , isatty (fd ));
118119 printf ("errno after open: %s\n" , strerror (errno ));
119120 errno = 0 ;
@@ -160,7 +161,7 @@ int main() {
160161
161162 printf ("\nTest 8: no put_char\n" );
162163 fd = open ("/tty_no_putchar" , O_WRONLY );
163- printf ( "open: %d\n" , fd >= 0 ? 1 : 0 );
164+ assert ( fd >= 0 );
164165 bytesWritten = write (fd , writeBuffer , strlen (writeBuffer ));
165166 printf ("write: %zd\n" , bytesWritten );
166167 printf ("errno: %s\n" , strerror (errno ));
@@ -169,7 +170,7 @@ int main() {
169170
170171 printf ("\nTest 9: no get_char\n" );
171172 fd = open ("/tty_no_getchar" , O_RDONLY );
172- printf ( "open: %d\n" , fd >= 0 ? 1 : 0 );
173+ assert ( fd >= 0 );
173174 bytesRead = read (fd , readBuffer , sizeof (readBuffer ));
174175 printf ("read: %zd\n" , bytesRead );
175176 printf ("errno: %s\n" , strerror (errno ));
@@ -178,7 +179,7 @@ int main() {
178179
179180 printf ("\nTest 10: put_char throws\n" );
180181 fd = open ("/tty_throw_putchar" , O_WRONLY );
181- printf ( "open: %d\n" , fd >= 0 ? 1 : 0 );
182+ assert ( fd >= 0 );
182183 bytesWritten = write (fd , writeBuffer , strlen (writeBuffer ));
183184 printf ("write: %zd\n" , bytesWritten );
184185 printf ("errno: %s\n" , strerror (errno ));
@@ -187,7 +188,7 @@ int main() {
187188
188189 printf ("\nTest 11: get_char throws\n" );
189190 fd = open ("/tty_throw_getchar" , O_RDONLY );
190- printf ( "open: %d\n" , fd >= 0 ? 1 : 0 );
191+ assert ( fd >= 0 );
191192 bytesRead = read (fd , readBuffer , sizeof (readBuffer ));
192193 printf ("read: %zd\n" , bytesRead );
193194 printf ("errno: %s\n" , strerror (errno ));
@@ -196,7 +197,7 @@ int main() {
196197
197198 printf ("\nTest 12: get_char returns undefined\n" );
198199 fd = open ("/tty_empty" , O_RDONLY );
199- printf ( "open: %d\n" , fd >= 0 ? 1 : 0 );
200+ assert ( fd >= 0 );
200201 bytesRead = read (fd , readBuffer , sizeof (readBuffer ));
201202 printf ("read: %zd\n" , bytesRead );
202203 printf ("errno: %s\n" , strerror (errno ));
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