235 lines
6.4 KiB
Perl
235 lines
6.4 KiB
Perl
#!/usr/bin/perl -w
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use overload_simple;
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use vars qw/$DOWARN/;
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use strict;
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use Test::More tests => 97;
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pass("loaded");
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my $f = new overload_simple::Foo();
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isa_ok($f, "overload_simple::Foo");
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my $b = new overload_simple::Bar();
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isa_ok($b, "overload_simple::Bar");
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my $v = overload_simple::malloc_void(32);
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isa_ok($v, "_p_void");
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#
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# Silence warnings about bad types
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#
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BEGIN { $SIG{'__WARN__'} = sub { warn $_[0] if $DOWARN } }
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#
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#these tests should 'fail'
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#
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eval { overload_simple::fint("l") };
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ok($@, "fint(int) - int");
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eval { overload_simple::fint("3.5") };
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ok($@, "fint(int) - double");
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eval { overload_simple::fdouble("l") };
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ok($@, "fint(double) - int");
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eval { overload_simple::fdouble("1.5/2.0") };
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ok($@, "fint(double) - double");
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#
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#enable the warnings again
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#
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$DOWARN =1;
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#
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# 'simple' dispatch (no overload) of int and double arguments
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#
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is(overload_simple::fint(3), "fint:int", "fint(int) - int");
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is(overload_simple::fint("1"), "fint:int", "fint(int) - string int");
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is(overload_simple::fint(3.0), "fint:int", "fint(int) - double");
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is(overload_simple::fint("3.0"), "fint:int", "fint(int) - string double");
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# old bad case that now works
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my $n = 3;
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$n = $n + 1;
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is(overload_simple::fint($n), "fint:int", "fint(int) - int var");
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is(overload_simple::fint(4/2), "fint:int", "fint(int) - divide int denom");
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is(overload_simple::fint(4/2.0), "fint:int", "fint(int) - divide double denom");
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is(overload_simple::fdouble(3), "fdouble:double", "fdouble(double) - int");
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is(overload_simple::fdouble("3"), "fdouble:double", "fdouble(double) - string int");
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is(overload_simple::fdouble(3.0), "fdouble:double", "fdouble(double) - double");
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is(overload_simple::fdouble("3.0"), "fdouble:double", "fdouble(double) - string doubl");
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#
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# Overload between int and double
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#
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is(overload_simple::num(3), "num:int", "num(int) - int");
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is(overload_simple::num("3"), "num:int", "num(int) - string int");
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is(overload_simple::num(3.0), "num:double", "num(int) - double");
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is(overload_simple::num("3.0"), "num:double", "num(int) - string double");
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#
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# Overload between int, double, char * and many types.
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#
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is(overload_simple::foo(3), "foo:int", "foo:int - int");
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is(overload_simple::foo(3.0), "foo:double", "foo:double - double");
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is(overload_simple::foo("3"), "foo:char *", "foo:char * - string int");
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is(overload_simple::foo("3.0"), "foo:char *", "foo:char * - string double");
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is(overload_simple::foo("hello"), "foo:char *", "foo:char * string");
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is(overload_simple::foo($f), "foo:Foo *", "foo:Foo *");
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is(overload_simple::foo($b), "foo:Bar *", "foo:Bar *");
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is(overload_simple::foo($v), "foo:void *", "foo:void *");
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is(overload_simple::blah(3), "blah:double", "blah:double");
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is(overload_simple::blah("hello"), "blah:char *", "blah:char *");
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my $s = new overload_simple::Spam();
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is($s->foo(3), "foo:int", "Spam::foo:int");
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is($s->foo(3.0), "foo:double", "Spam::foo(double)");
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is($s->foo("hello"), "foo:char *", "Spam::foo:char *");
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is($s->foo($f), "foo:Foo *", "Spam::foo(Foo *)");
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is($s->foo($b), "foo:Bar *", "Spam::foo(Bar *)");
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is($s->foo($v), "foo:void *", "Spam::foo(void *)");
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is(overload_simple::Spam::bar(3), "bar:int", "Spam::bar(int)");
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is(overload_simple::Spam::bar(3.0), "bar:double", "Spam::bar(double)");
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is(overload_simple::Spam::bar("hello"), "bar:char *", "Spam::bar(char *)");
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is(overload_simple::Spam::bar($f), "bar:Foo *", "Spam::bar(Foo *)");
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is(overload_simple::Spam::bar($b), "bar:Bar *", "Spam::bar(Bar *)");
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is(overload_simple::Spam::bar($v), "bar:void *", "Spam::bar(void *)");
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# Test constructors
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$s = new overload_simple::Spam();
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "none", "Spam()");
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$s = new overload_simple::Spam(3);
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "int", "Spam(int)");
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$s = new overload_simple::Spam(3.0);
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "double", "Spam(double)");
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$s = new overload_simple::Spam("hello");
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "char *", "Spam(char *)");
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$s = new overload_simple::Spam($f);
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "Foo *", "Spam(Foo *)");
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$s = new overload_simple::Spam($b);
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "Bar *", "Spam(Bar *)");
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$s = new overload_simple::Spam($v);
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isa_ok($s, "overload_simple::Spam");
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is($s->{type}, "void *", "Spam(void *)");
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#
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# Combine dispatch
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#
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is(overload_simple::fid(3, 3.0), "fid:intdouble", "fid(int,double)");
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is(overload_simple::fid(3.0, 3), "fid:doubleint", "fid(double,int)");
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is(overload_simple::fid(3.0, 3.0), "fid:doubledouble", "fid(double,double)");
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is(overload_simple::fid(3, 3), "fid:intint", "fid(int,int)");
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# with strings now
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is(overload_simple::fid(3, "3.0"), "fid:intdouble", "fid(int,double)");
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is(overload_simple::fid("3", 3.0), "fid:intdouble", "fid(int,double)");
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is(overload_simple::fid("3", "3.0"), "fid:intdouble", "fid(int,double)");
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is(overload_simple::fid(3.0, "3"), "fid:doubleint", "fid(double,int)");
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is(overload_simple::fid("3.0", "3.0"), "fid:doubledouble", "fid:doubledouble");
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is(overload_simple::fid("3", 3), "fid:intint", "fid:fid(int,int)");
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isnt(overload_simple::fbool(0), overload_simple::fbool(1), "fbool(bool)");
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is(2, overload_simple::fbool(2), "fbool(int)");
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# int and object overload
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is(overload_simple::int_object(1), 1, "int_object(1)");
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is(overload_simple::int_object(0), 0, "int_object(0)");
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is(overload_simple::int_object(undef), 999, "int_object(Spam*)");
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is(overload_simple::int_object($s), 999, "int_object(Spam*)");
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# some of this section is duplication of above tests, but I want to see
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# parity with the coverage in wrapmacro_runme.pl.
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sub check {
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my($args, $want) = @_;
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my($s, $rslt) = defined $want ? ($want, "bar:$want") : ('*boom*', undef);
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is(eval("overload_simple::Spam::bar($args)"), $rslt, "bar($args) => $s");
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}
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# normal use patterns
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check("11", 'int');
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check("11.0", 'double');
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check("'11'", 'char *');
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check("'11.0'", 'char *');
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check("-13", 'int');
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check("-13.0", 'double');
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check("'-13'", 'char *');
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check("'-13.0'", 'char *');
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check("' '", 'char *');
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check("' 11 '", 'char *');
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# TypeError explosions
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check("\\*STDIN", undef);
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check("[]", undef);
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check("{}", undef);
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check("sub {}", undef);
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# regression cases
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check("''", 'char *');
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check("' 11'", 'char *');
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check("' 11.0'", 'char *');
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check("' -11.0'", 'char *');
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check("\"11\x{0}\"", 'char *');
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check("\"\x{0}\"", 'char *');
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check("\"\x{9}11\x{0}this is not eleven.\"", 'char *');
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check("\"\x{9}11.0\x{0}this is also not eleven.\"", 'char *');
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