use Test::More;
use Test::Exception;
+use Scalar::Util 'refaddr';
+use Storable 'nfreeze';
+
+BEGIN { $ENV{SQLA_ISVALUE_IGNORE_AUTOGENERATED_STRINGIFICATION} = 0 }
use SQL::Abstract qw(is_plain_value is_literal_value);
+# fallback setting is inheriting starting p5 50853fa9 (run up to 5.17.0)
+use constant OVERLOAD_FALLBACK_INHERITS => ( ($] < 5.017) ? 0 : 1 );
+use constant STRINGIFIER_CAN_RETURN_IVS => ( ($] < 5.008) ? 0 : 1 );
+
+{
+ package # hideee
+ SQLATest::SillyBool;
+
+ use overload
+ # *DELIBERATELY* unspecified
+ #fallback => 1,
+ bool => sub { ${$_[0]} },
+ ;
+
+ package # hideee
+ SQLATest::SillyBool::Subclass;
+
+ our @ISA = 'SQLATest::SillyBool';
+}
+
{
package # hideee
SQLATest::SillyInt;
our @ISA = 'SQLATest::SillierInt';
}
-# make sure we recognize overloaded stuff properly
-lives_ok {
- my $num = bless( \do { my $foo = 69 }, 'SQLATest::SillyInt::Subclass' );
- ok( is_plain_value $num, 'parent-fallback-provided stringification detected' );
- is("$num", 69, 'test overloaded object stringifies, without specified fallback');
-} 'overload testing lives';
+{
+ package # hideee
+ SQLATest::AnalInt;
+
+ use overload
+ fallback => 0,
+ '0+' => sub { ${$_[0]} },
+ ;
+
+ package # hideee
+ SQLATest::AnalInt::Subclass;
+
+ use overload
+ '0+' => sub { ${$_[0]} },
+ ;
+
+ our @ISA = 'SQLATest::AnalInt';
+}
+
+{
+ package # hidee
+ SQLATest::ReasonableInt;
+
+ # make it match JSON::PP::Boolean
+ use overload
+ '0+' => sub { ${$_[0]} },
+ '++' => sub { $_[0] = ${$_[0]} + 1 },
+ '--' => sub { $_[0] = ${$_[0]} - 1 },
+ fallback => 1,
+ ;
+
+ package # hideee
+ SQLATest::ReasonableInt::Subclass;
+
+ our @ISA = 'SQLATest::ReasonableInt';
+}
{
- my $nummifiable_maybefallback_num = bless( \do { my $foo = 42 }, 'SQLATest::SillierInt::Subclass' );
- lives_ok {
- ok( ( $nummifiable_maybefallback_num + 1) == 43 )
- };
-
- my $can_str = !! eval { "$nummifiable_maybefallback_num" };
-
- lives_ok {
- is_deeply(
- is_plain_value $nummifiable_maybefallback_num,
- ( $can_str ? [ 42 ] : undef ),
- 'parent-disabled-fallback stringification detected same as perl',
- );
- };
+ package # hidee
+ SQLATest::ReasonableString;
+
+ # somewhat like DateTime
+ use overload
+ 'fallback' => 1,
+ '""' => sub { "${$_[0]}" },
+ '-' => sub { ${$_[0]} - $_[1] },
+ '+' => sub { ${$_[0]} + $_[1] },
+ ;
+
+ package # hideee
+ SQLATest::ReasonableString::Subclass;
+
+ our @ISA = 'SQLATest::ReasonableString';
}
+for my $case (
+ { class => 'SQLATest::SillyBool', can_math => 0, should_str => 1 },
+ { class => 'SQLATest::SillyBool::Subclass', can_math => 0, should_str => 1 },
+ { class => 'SQLATest::SillyInt', can_math => 0, should_str => 1 },
+ { class => 'SQLATest::SillyInt::Subclass', can_math => 0, should_str => 1 },
+ { class => 'SQLATest::SillierInt', can_math => 0, should_str => 0 },
+ { class => 'SQLATest::SillierInt::Subclass',can_math => 1, should_str => (OVERLOAD_FALLBACK_INHERITS ? 0 : 1) },
+ { class => 'SQLATest::AnalInt', can_math => 0, should_str => 0 },
+ { class => 'SQLATest::AnalInt::Subclass', can_math => 0, should_str => (OVERLOAD_FALLBACK_INHERITS ? 0 : 1) },
+ { class => 'SQLATest::ReasonableInt', can_math => 1, should_str => 1 },
+ { class => 'SQLATest::ReasonableInt::Subclass', can_math => 1, should_str => 1 },
+ { class => 'SQLATest::ReasonableString', can_math => 1, should_str => 1 },
+ { class => 'SQLATest::ReasonableString::Subclass',can_math => 1, should_str => 1 },
+) {
+
+ my $num = bless( \do { my $foo = 42 }, $case->{class} );
+
+ my $can_str = eval { "$num" eq 42 } || 0;
+
+ ok (
+ !($can_str xor $case->{should_str}),
+ "should_str setting for $case->{class} matches perl behavior",
+ ) || diag explain { %$case, can_str => $can_str };
+
+ my $can_math = eval { ($num + 1) == 43 } ? 1 : 0;
+
+ ok (
+ !($can_math xor $case->{can_math}),
+ "can_math setting for $case->{class} matches perl behavior",
+ ) || diag explain { %$case, actual_can_math => $can_math };
+
+ my $can_cmp = eval { my $dum = ($num eq "nope"); 1 } || 0;
+
+ for (1,2) {
+
+ if ($can_str) {
+
+ ok $num, 'bool ctx works';
+
+ if (STRINGIFIER_CAN_RETURN_IVS and $can_cmp) {
+ is_deeply(
+ is_plain_value $num,
+ \$num,
+ "stringification detected on $case->{class}",
+ ) || diag explain $case;
+ }
+ else {
+ # is_deeply does not do nummify/stringify cmps properly
+ # but we can always compare the ice
+ ok(
+ ( nfreeze( is_plain_value $num ) eq nfreeze( \$num ) ),
+ "stringification without cmp capability detected on $case->{class}"
+ ) || diag explain $case;
+ }
+
+ is (
+ refaddr( ${is_plain_value($num)} ),
+ refaddr $num,
+ "Same reference (blessed object) returned",
+ );
+ }
+ else {
+ is( is_plain_value($num), undef, "non-stringifiable $case->{class} object detected" )
+ || diag explain $case;
+ }
+
+ if ($case->{can_math}) {
+ is ($num+1, 43);
+ }
+ }
+}
+
+lives_ok {
+ my $num = bless( \do { my $foo = 23 }, 'SQLATest::ReasonableInt' );
+ cmp_ok(++$num, '==', 24, 'test overloaded object compares correctly');
+ cmp_ok(--$num, 'eq', 23, 'test overloaded object compares correctly');
+ is_deeply(
+ is_plain_value $num,
+ \23,
+ 'fallback stringification detected'
+ );
+ cmp_ok(--$num, 'eq', 22, 'test overloaded object compares correctly');
+ cmp_ok(++$num, '==', 23, 'test overloaded object compares correctly');
+} 'overload testing lives';
+
+
is_deeply
is_plain_value { -value => [] },
- [ [] ],
+ \[],
'-value recognized'
;
for (undef, { -value => undef }) {
is_deeply
is_plain_value $_,
- [ undef ],
+ \undef,
'NULL -value recognized'
;
}
projects / dbsrgits/SQL-Abstract.git / blobdiff