/
parrot_debugger.t
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parrot_debugger.t
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#! perl
# Copyright (C) 2007-2009, Parrot Foundation.
# $Id$
=head1 NAME
t/tools/parrot_debugger.t - test the Parrot Debugger
=head1 SYNOPSIS
% prove t/tools/parrot_debugger.t
=head1 DESCRIPTION
Tests the C<parrot_debugger> tool by providing it with a number of source
files, and running through it with various commands.
We never actually check the I<full> output of parrot_debugger. We simply check
several smaller components to avoid a test file that is far too unwieldy.
=head1 REQUIREMENTS
This test script requires you to build parrot_debugger, by typing
"make parrot_utils" (using a suitable make tool for your platform).
If this requirement has not been met, all tests will be skipped.
=cut
use strict;
use warnings;
use lib qw(lib);
use Test::More;
use IO::File ();
use Parrot::Config;
use File::Spec;
my $path_to_pdb;
BEGIN {
$path_to_pdb = File::Spec->catfile( ".", "parrot_debugger" );
my $exefile = $path_to_pdb . $PConfig{exe};
unless ( -f $exefile ) {
plan skip_all => "parrot_debugger hasn't been built. Run make parrot_utils";
exit(0);
}
}
my $tests = 0;
pdb_output_like( <<PIR, "pir", "help", qr/List of commands:/, 'help page');
.sub main :main
\$N3 = 3.14159
print \$N3
print "\\n"
.end
PIR
pdb_output_like( <<PIR, "pir", "r", qr/3\.14159/, 'running the program (pir)');
.sub main :main
\$N3 = 3.14159
print \$N3
print "\\n"
.end
PIR
pdb_output_like( <<PASM, "pasm", "run", qr/42/, 'running the program (long,pasm)');
set I1,42
print I1
print "\\n"
PASM
pdb_output_like( <<PASM, "pasm", "r", qr/42/, 'running the program (pasm)');
set I1,42
print I1
print "\\n"
PASM
pdb_output_like( <<PASM, "pasm", "n", qr/one more time/, 'next instruction (pasm)');
print "one more time\\n"
PASM
pdb_output_like( <<PASM, "pasm", "next", qr/one more time/, 'next instruction (long,pasm)');
print "one more time\\n"
PASM
pdb_output_like( <<PIR, "pir", "n", qr/one more time/, 'next instruction (pir)');
.sub main :main
print "one more time\\n"
.end
PIR
pdb_output_like( <<PIR, "pir", "next", qr/one more time/, 'next instruction (long,pir)');
.sub main :main
print "one more time\\n"
.end
PIR
pdb_output_like( <<PIR, "pir", "s", qr/current instr.: 'main'/, 'show stack (pir)');
.sub main :main
\$I1 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "stack", qr/current instr.: 'main'/, 'show stack (long,pir)');
.sub main :main
\$I1 = 242
.end
PIR
pdb_output_like( <<PASM, "pasm", "s", qr/current instr.: '\(null\)'/, 'show stack (pasm)');
set I1, 242
PASM
pdb_output_like( <<PASM, "pasm", "info", qr/Total memory allocated =/, 'info (pasm)');
set I1, 242
PASM
pdb_output_like( <<PASM, "pasm", "b", qr/Breakpoint 1 at.*pos 0/, 'set breakpoint');
set I1, 242
PASM
pdb_output_like( <<PASM, "pasm", "b\nb\nL", qr/Breakpoint 1 at pos 0\nBreakpoint 2 at pos 0/, 'list breakpoints');
set I1, 242
PASM
pdb_output_like( <<PIR, "pir", "b\nb\nL", qr/Breakpoint 1 at pos 0\nBreakpoint 2 at pos 0/, 'list breakpoints (pir)');
.sub main :main
\$I1 = 242
.end
PIR
pdb_output_like( <<PASM, "pasm", "t", qr/set I0, 242/, 'trace');
set I0, 242
PASM
pdb_output_like( <<PIR, "pir", "t", qr/set I0, 242/, 'trace (pir)');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PASM, "pasm", "t 2", qr/\d+ set I0, 242\s*I0=-?\d+\s*\d+ set I1, 1982/, 'trace multiple statements');
set I0, 242
set I1, 1982
PASM
pdb_output_like( <<PIR, "pir", "t 2", qr/\d+ set I0, 242\s*I0=-?\d+\s*\d+ set I1, 1982/, 'trace multiple statements (pir)');
.sub main :main
\$I0 = 242
\$I1 = 1982
.end
PIR
pdb_output_like( <<PASM, "pasm", "t\np I0", qr/^242/m, 'print an integer register');
set I0, 242
PASM
pdb_output_like( <<PIR, "pir", "t\np I0", qr/^242/m, 'print an integer register (pir)');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PASM, "pasm", "t\np N0", qr/^3.14159/m, 'print a numeric register');
set N0, 3.14159
PASM
pdb_output_like( <<PIR, "pir", "t\np N0", qr/^3.14159/m, 'print a numeric register (pir)');
.sub main :main
\$N0 = 3.14159
.end
PIR
pdb_output_like( <<PASM, "pasm", "t\np P0", qr/^ResizablePMCArray/m, 'print a PMC register');
new P0, 'ResizablePMCArray'
PASM
pdb_output_like( <<PIR, "pir", "t\np P0", qr/^ResizablePMCArray=PMC/m, 'print a PMC register (pir)');
.sub main :main
\$P0 = new 'ResizablePMCArray'
.end
PIR
pdb_output_like( <<PASM, "pasm", "t\np S0", qr/^ceiling cat/m, 'print a string register');
set S0, "ceiling cat"
PASM
pdb_output_like( <<PIR, "pir", "t\np S0", qr/^ceiling cat/m, 'print a string register (pir)');
.sub main :main
\$S0 = "ceiling cat"
.end
PIR
pdb_output_like( <<PASM, "pasm", "t 2\np I", qr/I0 = 242\s*I1 = 1982/, 'print all integer registers');
set I0, 242
set I1, 1982
PASM
pdb_output_like( <<PIR, "pir","t 2\np I", qr/I0 = 242\s*I1 = 1982/, 'print all integer registers (pir)');
.sub main :main
\$I0 = 242
\$I1 = 1982
.end
PIR
pdb_output_like( <<PASM, "pasm", "b\n d 1", qr/Breakpoint 1 deleted/, 'Delete a breakpoint');
set I0, 242
PASM
pdb_output_like( <<PIR, "pir", "b\nd 1", qr/Breakpoint 1 deleted/, 'Delete a breakpoint (pir)');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "l", qr/\.sub main :main/, 'list source');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "l 2", qr/N4 = 6.28/, 'list source with start line');
.sub main :main
\$N3 = 3.14
\$N4 = 6.28
print "\\n"
.end
PIR
pdb_output_like( <<PIR, "pir", "d 42", qr/No breakpoint number 42/, 'delete invalid breakpoint');
.sub main :main
\$I0 = 242
.end
PIR
TODO: {
local $TODO = 'eval support functions deprecated, TT #872, pending eval reworking';
pdb_output_like( <<PIR, "pir", "e ", qr/Must give a command to eval/, 'eval nothing');
.sub main :main
\$I0 = 242
.end
PIR
}
pdb_output_like( <<PIR, "pir", "t\na I0 17", qr/I0 = 17/, 'assign to an integer register');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "t\na i0 17", qr/I0 = 17/, 'assign to an integer register (lowercase)');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "a Z0 42", qr/Invalid register type Z/, 'assign to an invalid register');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "a foo", qr/Must give a register number and value to assign/, 'invalid assignment command');
.sub main :main
\$I0 = 242
.end
PIR
pdb_output_like( <<PIR, "pir", "t\na N0 3.14", qr/N0 = 3.14/, 'assign to a numeric register');
.sub main :main
\$N0 = 9.99
.end
PIR
pdb_output_like( <<PIR, "pir", "t\np S", qr/S0 = foobar/, 'print string registers');
.sub main :main
\$S0 = "foobar"
.end
PIR
pdb_output_like( <<PIR, "pir", "t\na S0 foobar", qr/S0 = no such register/, 'print string registers when none exist');
.sub main :main
new \$P0, 'ResizableIntegerArray'
.end
PIR
pdb_output_like( <<PIR, "pir", "r", qr/great job!/, 'run code');
.sub main :main
print "great job!"
.end
PIR
TODO: {
local $TODO = 'arguments do not seem to populate $P0';
pdb_output_like( <<PIR, "pir", "r gomer", qr/gomer/, 'run code with args');
.sub main :main
print \$P0
.end
PIR
}
pdb_output_like( <<PIR, "pir", "t\nw I0 == 2\nt", qr/Adding watchpoint/, 'watchpoint');
.sub main :main
\$I0 = 1
\$I0 = 2
\$I0 = 3
.end
PIR
BEGIN { $tests += 45 }
BEGIN { plan tests => $tests; }
=head1 HELPER SUBROUTINES
=head2 pdb_output_like
pdb_output_like(<<PASM, "pasm", 'r', "some output", "running $file");
Takes 4 arguments: a file to run, the filename-extension of the file
(probably "pir" or "pasm"), the command or commands to provide to
parrot_debugger as script file, and a regex string to match within
parrot_debugger's output.
=cut
my $testno = 0;
sub pdb_output_like {
my ( $file, $ext, $input, $check, $diag ) = @_;
$testno++;
my $codefn = "$0.$testno.$ext";
my $stdinfn = "$0.$testno.stdin";
my $stdoutfn = "$0.$testno.stdout";
my $f = IO::File->new(">$codefn");
$f->print($file);
$f->close();
$f = IO::File->new(">$stdinfn");
$f->print($input);
$f->print("\nquit\n");
$f->close();
system("$path_to_pdb --script $stdinfn $codefn >$stdoutfn 2>&1");
$f = IO::File->new($stdoutfn);
my $output = join( '', <$f> );
local $Test::Builder::Level = $Test::Builder::Level + 1;
unlink ($codefn, $stdinfn, $stdoutfn);
like( $output, $check, $diag );
}
=head1 TODO
=over 4
=item
Flesh it out. This is a bare bones proof of concept.
Add tests for all of the commands.
=back
=cut
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4: