X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fputs.c;h=ec67478ddace2d36a2d303c8e3943d71b4955891;hp=b7954ea0c69b92895a76741d8df170c6ccdd4cab;hb=d193d54478243fbd9e68649e0eb534c72d6aea0d;hpb=c107b28a9448621c675fe2add8c5517b34f44646

diff --git a/functions/stdio/puts.c b/functions/stdio/puts.c
index b7954ea..ec67478 100644
--- a/functions/stdio/puts.c
+++ b/functions/stdio/puts.c
@@ -49,7 +49,18 @@ int puts( const char * s )
 
 int main( void )
 {
-    TESTCASE( puts( "SUCCESS testing puts()" ) >= 0 );
+    FILE * fh;
+    char const * message = "SUCCESS testing puts()";
+    char buffer[23];
+    buffer[22] = 'x';
+    TESTCASE( ( fh = freopen( testfile, "wb+", stdout ) ) != NULL );
+    TESTCASE( puts( message ) >= 0 );
+    rewind( fh );
+    TESTCASE( fread( buffer, 1, 22, fh ) == 22 );
+    TESTCASE( memcmp( buffer, message, 22 ) == 0 );
+    TESTCASE( buffer[22] == 'x' );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
     return TEST_RESULTS;
 }