1N/A#!./perl
1N/A
1N/A# $RCSfile: subval.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:13 $
1N/A
1N/Asub foo1 {
1N/A 'true1';
1N/A if ($_[0]) { 'true2'; }
1N/A}
1N/A
1N/Asub foo2 {
1N/A 'true1';
1N/A if ($_[0]) { return 'true2'; } else { return 'true3'; }
1N/A 'true0';
1N/A}
1N/A
1N/Asub foo3 {
1N/A 'true1';
1N/A unless ($_[0]) { 'true2'; }
1N/A}
1N/A
1N/Asub foo4 {
1N/A 'true1';
1N/A unless ($_[0]) { 'true2'; } else { 'true3'; }
1N/A}
1N/A
1N/Asub foo5 {
1N/A 'true1';
1N/A 'true2' if $_[0];
1N/A}
1N/A
1N/Asub foo6 {
1N/A 'true1';
1N/A 'true2' unless $_[0];
1N/A}
1N/A
1N/Aprint "1..36\n";
1N/A
1N/Aif (&foo1(0) eq '0') {print "ok 1\n";} else {print "not ok 1 $foo\n";}
1N/Aif (&foo1(1) eq 'true2') {print "ok 2\n";} else {print "not ok 2\n";}
1N/Aif (&foo2(0) eq 'true3') {print "ok 3\n";} else {print "not ok 3\n";}
1N/Aif (&foo2(1) eq 'true2') {print "ok 4\n";} else {print "not ok 4\n";}
1N/A
1N/Aif (&foo3(0) eq 'true2') {print "ok 5\n";} else {print "not ok 5\n";}
1N/Aif (&foo3(1) eq '1') {print "ok 6\n";} else {print "not ok 6\n";}
1N/Aif (&foo4(0) eq 'true2') {print "ok 7\n";} else {print "not ok 7\n";}
1N/Aif (&foo4(1) eq 'true3') {print "ok 8\n";} else {print "not ok 8\n";}
1N/A
1N/Aif (&foo5(0) eq '0') {print "ok 9\n";} else {print "not ok 9\n";}
1N/Aif (&foo5(1) eq 'true2') {print "ok 10\n";} else {print "not ok 10\n";}
1N/Aif (&foo6(0) eq 'true2') {print "ok 11\n";} else {print "not ok 11\n";}
1N/Aif (&foo6(1) eq '1') {print "ok 12\n";} else {print "not ok 12 $x\n";}
1N/A
1N/A# Now test to see that recursion works using a Fibonacci number generator
1N/A
1N/Asub fib {
1N/A my($arg) = @_;
1N/A my($foo);
1N/A $level++;
1N/A if ($arg <= 2) {
1N/A $foo = 1;
1N/A }
1N/A else {
1N/A $foo = &fib($arg-1) + &fib($arg-2);
1N/A }
1N/A $level--;
1N/A $foo;
1N/A}
1N/A
1N/A@good = (0,1,1,2,3,5,8,13,21,34,55,89);
1N/A
1N/Afor ($i = 1; $i <= 10; $i++) {
1N/A $foo = $i + 12;
1N/A if (&fib($i) == $good[$i]) {
1N/A print "ok $foo\n";
1N/A }
1N/A else {
1N/A print "not ok $foo\n";
1N/A }
1N/A}
1N/A
1N/Asub ary1 {
1N/A (1,2,3);
1N/A}
1N/A
1N/Aprint &ary1 eq 3 ? "ok 23\n" : "not ok 23\n";
1N/A
1N/Aprint join(':',&ary1) eq '1:2:3' ? "ok 24\n" : "not ok 24\n";
1N/A
1N/Asub ary2 {
1N/A do {
1N/A return (1,2,3);
1N/A (3,2,1);
1N/A };
1N/A 0;
1N/A}
1N/A
1N/Aprint &ary2 eq 3 ? "ok 25\n" : "not ok 25\n";
1N/A
1N/A$x = join(':',&ary2);
1N/Aprint $x eq '1:2:3' ? "ok 26\n" : "not ok 26 $x\n";
1N/A
1N/Asub somesub {
1N/A local($num,$P,$F,$L) = @_;
1N/A ($p,$f,$l) = caller;
1N/A print "$p:$f:$l" eq "$P:$F:$L" ? "ok $num\n" : "not ok $num $p:$f:$l ne $P:$F:$L\n";
1N/A}
1N/A
1N/A&somesub(27, 'main', __FILE__, __LINE__);
1N/A
1N/Apackage foo;
1N/A&main'somesub(28, 'foo', __FILE__, __LINE__);
1N/A
1N/Apackage main;
1N/A$i = 28;
1N/Aopen(FOO,">Cmd_subval.tmp");
1N/Aprint FOO "blah blah\n";
1N/Aclose FOO or die "Can't close Cmd_subval.tmp: $!";
1N/A
1N/A&file_main(*F);
1N/Aclose F or die "Can't close: $!";
1N/A&info_main;
1N/A
1N/A&file_package(*F);
1N/Aclose F or die "Can't close: $!";
1N/A&info_package;
1N/A
1N/Aunlink 'Cmd_subval.tmp';
1N/A
1N/Asub file_main {
1N/A local(*F) = @_;
1N/A
1N/A open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
1N/A $i++;
1N/A eof F ? print "not ok $i\n" : print "ok $i\n";
1N/A}
1N/A
1N/Asub info_main {
1N/A local(*F);
1N/A
1N/A open(F, 'Cmd_subval.tmp') || die "test: can't open: $!\n";
1N/A $i++;
1N/A eof F ? print "not ok $i\n" : print "ok $i\n";
1N/A &iseof(*F);
1N/A close F or die "Can't close: $!";
1N/A}
1N/A
1N/Asub iseof {
1N/A local(*UNIQ) = @_;
1N/A
1N/A $i++;
1N/A eof UNIQ ? print "(not ok $i)\n" : print "ok $i\n";
1N/A}
1N/A
1N/A{package foo;
1N/A
1N/A sub main'file_package {
1N/A local(*F) = @_;
1N/A
1N/A open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
1N/A $main'i++;
1N/A eof F ? print "not ok $main'i\n" : print "ok $main'i\n";
1N/A }
1N/A
1N/A sub main'info_package {
1N/A local(*F);
1N/A
1N/A open(F, 'Cmd_subval.tmp') || die "can't open: $!\n";
1N/A $main'i++;
1N/A eof F ? print "not ok $main'i\n" : print "ok $main'i\n";
1N/A &iseof(*F);
1N/A }
1N/A
1N/A sub iseof {
1N/A local(*UNIQ) = @_;
1N/A
1N/A $main'i++;
1N/A eof UNIQ ? print "not ok $main'i\n" : print "ok $main'i\n";
1N/A }
1N/A}
1N/A
1N/Asub autov { $_[0] = 23 };
1N/A
1N/Amy $href = {};
1N/Aprint keys %$href ? 'not ' : '', "ok 35\n";
1N/Aautov($href->{b});
1N/Aprint join(':', %$href) eq 'b:23' ? '' : 'not ', "ok 36\n";