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[t] moved operators/hyper.t to spec/
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git-svn-id: http://svn.pugscode.org/pugs@22144 c213334d-75ef-0310-aa23-eaa082d1ae64
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moritz committed Sep 4, 2008
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use v6;

use Test;

=begin pod
Hyper operators L<S03/"Hyper operators">
=end pod

plan 56;

# L<S03/Hyper operators>
{ # binary infix
my @r;
@r = (1, 2, 3) »+« (2, 4, 6);
my @e = (3, 6, 9);
is(~@r, ~@e, "hyper-sum two arrays");

@r = (1, 2, 3) »-« (2, 4, 6);
@e = (-1, -2, -3);
is(~@r, ~@e, "hyper-subtract two arrays");

@r = (1, 2, 3) >>+<< (2, 4, 6);
@e = (3, 6, 9);
is(~@r, ~@e, "hyper-sum two arrays ASCII notation");

@r = (1, 2, 3) >>-<< (2, 4, 6);
@e = (-1, -2, -3);
is(~@r, ~@e, "hyper-subtract two arrays ASCII notation");

@r = (1, 2, 3) »*« (2, 4, 6);
@e = (2, 8, 18);
is(~@r, ~@e, "hyper-multiply two arrays");

@r = (1, 2, 3) >>*<< (2, 4, 6);
@e = (2, 8, 18);
is(~@r, ~@e, "hyper-multiply two arrays ASCII notation");

@r = (1, 2, 3) »x« (3, 2, 1);
@e = ('111', '22', '3');
is(~@r, ~@e, "hyper-x two arrays");

@r = (1, 2, 3) >>x<< (3, 2, 1);
@e = ('111', '22', '3');
is(~@r, ~@e, "hyper-x two arrays ASCII notation");

@r = (1, 2, 3) »xx« (3, 2, 1);
@e = ((1,1,1), (2,2), (3));
is(~@r, ~@e, "hyper-xx two arrays");

@r = (1, 2, 3) >>xx<< (3, 2, 1);
@e = ((1,1,1), (2,2), (3));
is(~@r, ~@e, "hyper-xx two arrays ASCII notation");

@r = (20, 40, 60) »/« (2, 5, 10);
@e = (10, 8, 6);
is(~@r, ~@e, "hyper-divide two arrays");

@r = (20, 40, 60) >>/<< (2, 5, 10);
@e = (10, 8, 6);
is(~@r, ~@e, "hyper-divide two arrays ASCII notation");

@r = (1, 2, 3) »+« (10, 20, 30) »*« (2, 3, 4);
@e = (21, 62, 123);
is(~@r, ~@e, "precedence - »+« vs »*«");

@r = (1, 2, 3) >>+<< (10, 20, 30) >>*<< (2, 3, 4);
@e = (21, 62, 123);
is(~@r, ~@e, "precedence - >>+<< vs >>*<< ASCII notation");
};

{ # unary postfix
my @r = (1, 2, 3);
try { @r»++ };
my @e = (2, 3, 4);
is(~@r, ~@e, "hyper auto increment an array", :todo);

@r = (1, 2, 3);
try { @r>>++ };
@e = (2, 3, 4);
is(~@r, ~@e, "hyper auto increment an array ASCII notation", :todo);
};

{ # unary prefix
my @r;
@r = -« (3, 2, 1);
my @e = (-3, -2, -1);
is(~@r, ~@e, "hyper op on assignment/pipeline");

@r = -<< (3, 2, 1);
@e = (-3, -2, -1);
is(~@r, ~@e, "hyper op on assignment/pipeline ASCII notation");
};

{ # dimension upgrade
my @r;
@r = (1, 2, 3) »+« 1;
my @e = (2, 3, 4);
is(~@r, ~@e, "auto dimension upgrade on rhs");

@r = (1, 2, 3) >>+<< 1;
@e = (2, 3, 4);
is(~@r, ~@e, "auto dimension upgrade on rhs ASCII notation");

@r = 2 »*« (10, 20, 30);
@e = (20, 40, 60);
is(~@r, ~@e, "auto dimension upgrade on lhs");

@r = 2 >>*<< (10, 20, 30);
@e = (20, 40, 60);
is(~@r, ~@e, "auto dimension upgrade on lhs ASCII notation");

@r = (1,2,3,4) »+« (1,2);
@e = (2,4,3,4);
is(~@r, ~@e, "list-level element extension on rhs");

@r = (1,2,3,4) >>+<< (1,2);
@e = (2,4,3,4);
is(~@r, ~@e, "list-level element extension on rhs ASCII notation");

@r = (1,2) »+« (1,2,3,4);
@e = (2,4,3,4);
is(~@r, ~@e, "list-level element extension on lhs");

@r = (1,2) >>+<< (1,2,3,4);
@e = (2,4,3,4);
is(~@r, ~@e, "list-level element extension on lhs ASCII notation");

@r = (1,2,3,4) »+« (1,);
@e = (2,2,3,4);
is(~@r, ~@e, "list-level element extension on rhs");

@r = (1,2,3,4) >>+<< (1,);
@e = (2,2,3,4);
is(~@r, ~@e, "list-level element extension on rhs ASCII notation");

@r = (1,) »+« (1,2,3,4);
@e = (2,2,3,4);
is(~@r, ~@e, "list-level element extension on lhs");

@r = (1,) >>+<< (1,2,3,4);
@e = (2,2,3,4);
is(~@r, ~@e, "list-level element extension on lhs ASCII notation");
};

{ # unary postfix with integers
my @r;
eval '@r = (1, 4, 9)».sqrt';
my @e = (1, 2, 3);
is(~@r, ~@e, "method call on integer list elements");

my @r;
eval '@r = (1, 4, 9)>>.sqrt';
my @e = (1, 2, 3);
is(~@r, ~@e, "method call on integer list elements (ASCII)");
};

{ # unary postfix again, but with a twist
my @r;
eval '@r = ("f", "oo", "bar")».chars';
my @e = (1, 2, 3);
is(~@r, ~@e, "method call on list elements");

eval '@r = ("f", "oo", "bar")>>.chars';
@e = (1, 2, 3);
is(~@r, ~@e, "method call on list elements (ASCII)");
};

{ # unary postfix on a user-defined object
my $t;
eval 'class FooTest { method bar { 42 } }; $t = FooTest.new.bar';
is($t, 42, 'plain method call works OK');

my @r;
eval 'class FooTest { method bar { 42 } }; @r = (FooTest.new)>>.bar';
my @e = (42);
is(~@r, ~@e, "hyper-method-call on list of user-defined objects" :todo);
};

{ # distribution for unary prefix
my @r;
@r = -« ([1, 2], [3, [4, 5]]);
my @e = ([-1, -2], [-3, [-4, -5]]);
is_deeply(~@r, ~@e, "distribution for unary prefix");

@r = -<< ([1, 2], [3, [4, 5]]);
@e = ([-1, -2], [-3, [-4, -5]]);
is_deeply(~@r, ~@e, "distribution for unary prefix, ASCII");
};

{ # distribution for unary postfix autoincrement
my @r;
@r = ([1, 2], [3, [4, 5]]);
try { @r»++ };
my @e = ([2, 3], [4, [5, 6]]);
is_deeply(~@r, ~@e, "distribution for unary postfix autoincr", :todo);

@r = ([1, 2], [3, [4, 5]]);
try { @r>>++ };
@e = ([2, 3], [4, [5, 6]]);
is_deeply(~@r, ~@e, "distribution for unary postfix autoincr, ASCII", :todo);
};

{ # distribution for binary infix
my @r;
@r = (1, 2, [3, 4]) »+« (4, 5, [6, 7]);
my @e = (5, 7, [9, 11]);
is_deeply(~@r, ~@e,
"distribution for binary infix, same shape");


@r = (1, 2, [3, 4]) >>+<< (4, 5, [6, 7]);
@e = (5, 7, [9, 11]);
is_deeply(~@r, ~@e,
"distribution for binary infix, same shape, ASCII",
);

@r = (1, 2, [3, 4]) »+« (5, 6, 7);
@e = (6, 8, [10, 11]);
is_deeply(~@r, ~@e,
"distribution for binary infix, dimension upgrade",
);

@r = (1, 2, [3, 4]) >>+<< (5, 6, 7);
@e = (6, 8, [10, 11]);
is_deeply(~@r, ~@e,
"distribution for binary infix, dimension upgrade, ASCII",
);

@r = ([1, 2], 3) »+« (4, [5, 6]);
@e = ([5, 6], [8, 9]);
is_deeply(~@r, ~@e,
"distribution for binary infix, S03 cross-upgrade",
);

@r = ([1, 2], 3) >>+<< (4, [5, 6]);
@e = ([5, 6], [8, 9]);
is_deeply(~@r, ~@e,
"distribution for binary infix, S03 cross-upgrade, ASCII",
);
};

{ # regression test, ensure that hyper works on arrays
my @r1;
my @r2;
my @e1 = (2, 4, 6);
my @e2 = (2, 3, 4);
my @a = (1, 2, 3);
@r1 = @a >>+<< @a;
@r2 = @a >>+<< 1;
is(~@r1, ~@e1, "hyper op works on variables, too.");
is(~@r2, ~@e2, "hyper op and correctly promotes scalars");
};


# mixed hyper and reduce metaops -
# this unveils a spec bug as << recurses into arrays and [+] never gets applied,
# so we disable the entire chunk for now.
=begin todo unspecced
is ~([+]<< ([1,2,3], [4,5,6])), "6 15", "mixed hyper and reduce metaop ([+]<<) works";
## XXX: Test for [+]<<<< - This is unspecced, commenting it out
#is ~([+]<<<< ([[1,2],[3,4]],[[5,6],[7,8]])), "3 7 11 15",
# "mixed double hyper and reduce metaop ([+]<<<<) works";
is ~([+]« [1,2,3], [4,5,6]), "6 15",
"mixed Unicode hyper and reduce metaop ([+]«) works";
=end todo unspecced

{ # hyper dereferencing
my @array = (
{ key => 'val' },
{ key => 'val' },
{ key => 'val' }
);

my $full = join '', eval '@array>>.<key>';
is($full, 'valvalval', 'hyper-dereference an array',:todo);

my $part = join '', eval '@array[0,1]>>.<key>';
is($part, 'valval', 'hyper-dereference an array slice',:todo);
}

{ # junction hyper -- regression?
my @a = 1..3;
my @b = 4..6;
ok eval('@a »|« @b; 1'), '»|« hyperjunction evals', :todo<feature>;
ok eval('@a >>|<< @b; 1'), '>>|<< hyperjunction evals, ASCII',
:todo<feature>;
ok eval('@a »&« @b; 1'), '»&« hyperjunction evals', :todo<feature>;
ok eval('@a >>&<< @b; 1'), '»&« hyperjunction evals, ASCII',
:todo<feature>;
is eval('(@a »|« @b).perl'), (1|4,2|5,3|6).perl,
'»|« returns correct values', :todo<feature>;
is eval('(@a »&« @b).perl'), (1&4,2&5,3&6).perl,
'»&« returns correct values', :todo<feature>;
}

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