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Diffstat (limited to 't/cmd/subval.t')
| -rw-r--r-- | t/cmd/subval.t | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/t/cmd/subval.t b/t/cmd/subval.t new file mode 100644 index 0000000000..ba4d833d3a --- /dev/null +++ b/t/cmd/subval.t @@ -0,0 +1,179 @@ +#!./perl + +# $Header: subval.t,v 4.0 91/03/20 01:49:40 lwall Locked $ + +sub foo1 { + 'true1'; + if ($_[0]) { 'true2'; } +} + +sub foo2 { + 'true1'; + if ($_[0]) { return 'true2'; } else { return 'true3'; } + 'true0'; +} + +sub foo3 { + 'true1'; + unless ($_[0]) { 'true2'; } +} + +sub foo4 { + 'true1'; + unless ($_[0]) { 'true2'; } else { 'true3'; } +} + +sub foo5 { + 'true1'; + 'true2' if $_[0]; +} + +sub foo6 { + 'true1'; + 'true2' unless $_[0]; +} + +print "1..34\n"; + +if (do foo1(0) eq '0') {print "ok 1\n";} else {print "not ok 1 $foo\n";} +if (do foo1(1) eq 'true2') {print "ok 2\n";} else {print "not ok 2\n";} +if (do foo2(0) eq 'true3') {print "ok 3\n";} else {print "not ok 3\n";} +if (do foo2(1) eq 'true2') {print "ok 4\n";} else {print "not ok 4\n";} + +if (do foo3(0) eq 'true2') {print "ok 5\n";} else {print "not ok 5\n";} +if (do foo3(1) eq '1') {print "ok 6\n";} else {print "not ok 6\n";} +if (do foo4(0) eq 'true2') {print "ok 7\n";} else {print "not ok 7\n";} +if (do foo4(1) eq 'true3') {print "ok 8\n";} else {print "not ok 8\n";} + +if (do foo5(0) eq '0') {print "ok 9\n";} else {print "not ok 9\n";} +if (do foo5(1) eq 'true2') {print "ok 10\n";} else {print "not ok 10\n";} +if (do foo6(0) eq 'true2') {print "ok 11\n";} else {print "not ok 11\n";} +if (do foo6(1) eq '1') {print "ok 12\n";} else {print "not ok 12 $x\n";} + +# Now test to see that recursion works using a Fibonacci number generator + +sub fib { + local($arg) = @_; + local($foo); + $level++; + if ($arg <= 2) { + $foo = 1; + } + else { + $foo = do fib($arg-1) + do fib($arg-2); + } + $level--; + $foo; +} + +@good = (0,1,1,2,3,5,8,13,21,34,55,89); + +for ($i = 1; $i <= 10; $i++) { + $foo = $i + 12; + if (do fib($i) == $good[$i]) { + print "ok $foo\n"; + } + else { + print "not ok $foo\n"; + } +} + +sub ary1 { + (1,2,3); +} + +print &ary1 eq 3 ? "ok 23\n" : "not ok 23\n"; + +print join(':',&ary1) eq '1:2:3' ? "ok 24\n" : "not ok 24\n"; + +sub ary2 { + do { + return (1,2,3); + (3,2,1); + }; + 0; +} + +print &ary2 eq 3 ? "ok 25\n" : "not ok 25\n"; + +$x = join(':',&ary2); +print $x eq '1:2:3' ? "ok 26\n" : "not ok 26 $x\n"; + +sub somesub { + local($num,$P,$F,$L) = @_; + ($p,$f,$l) = caller; + print "$p:$f:$l" eq "$P:$F:$L" ? "ok $num\n" : "not ok $num\n"; +} + +&somesub(27, 'main', __FILE__, __LINE__); + +package foo; +&main'somesub(28, 'foo', __FILE__, __LINE__); + +package main; +$i = 28; +open(FOO,">Cmd_subval.tmp"); +print FOO "blah blah\n"; +close FOO; + +&file_main(*F); +close F; +&info_main; + +&file_package(*F); +close F; +&info_package; + +unlink 'Cmd_subval.tmp'; + +sub file_main { + local(*F) = @_; + + open(F, 'Cmd_subval.tmp') || die "can't open\n"; + $i++; + eof F ? print "not ok $i\n" : print "ok $i\n"; +} + +sub info_main { + local(*F); + + open(F, 'Cmd_subval.tmp') || die "test: can't open\n"; + $i++; + eof F ? print "not ok $i\n" : print "ok $i\n"; + &iseof(*F); + close F; +} + +sub iseof { + local(*UNIQ) = @_; + + $i++; + eof UNIQ ? print "(not ok $i)\n" : print "ok $i\n"; +} + +{package foo; + + sub main'file_package { + local(*F) = @_; + + open(F, 'Cmd_subval.tmp') || die "can't open\n"; + $main'i++; + eof F ? print "not ok $main'i\n" : print "ok $main'i\n"; + } + + sub main'info_package { + local(*F); + + open(F, 'Cmd_subval.tmp') || die "can't open\n"; + $main'i++; + eof F ? print "not ok $main'i\n" : print "ok $main'i\n"; + &iseof(*F); + } + + sub iseof { + local(*UNIQ) = @_; + + $main'i++; + eof UNIQ ? print "not ok $main'i\n" : print "ok $main'i\n"; + } +} |