File: photo.t

package info (click to toggle)
perl-tk 1%3A804.036%2Bdfsg1-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 35,284 kB
  • sloc: ansic: 349,560; perl: 52,292; sh: 12,678; makefile: 5,700; asm: 3,565; ada: 1,681; pascal: 1,082; cpp: 1,006; yacc: 883; cs: 879
file content (196 lines) | stat: -rw-r--r-- 5,132 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
BEGIN { $^W = 1; $| = 1;}
use strict;
use File::Temp qw(tempfile);
use Test::More;
use Tk;
use Tk::Photo;

my $numFormats = 5;
eval { require Tk::JPEG };
$numFormats++ unless $@;

eval { require Tk::PNG  };
$numFormats++ unless $@;

my $mw  = MainWindow->new();
$mw->geometry('+100+100');

plan tests => (2*(7 * $numFormats) + 2 + 2 + 1 + 2 + 2 + 2 + 2);

my @files = ();

my $row = 0;
foreach my $leaf('Tk.xbm','Xcamel.gif')
 {
  my $file = Tk->findINC($leaf);
  my $src = $mw->Photo(-file => $file);
  ok defined($src), "Load $file";
  my $kind = 'Initial';
  my $col = 0;
  $mw->Label(-text  => 'Initial')->grid(-row => $row, -column => $col);
  $mw->Label(-background => 'white',-image => $src)->grid(-row => $row+1, -column => $col++);
  $mw->update;

  foreach $kind ($src->formats)
   {
    my $f = lc("t/test.$kind");
    my $p = $f;
    push(@files,$f);
    eval { $src->write($f, -format => "$kind") };
    is $@, '', "No error writing $f as $kind";
    is $p, $f, "File name is not corrupted ($f)";
    ok -f $f, "File $f was created";
    my $new;
    eval { $new = $mw->Photo(-file => $f, -format => "$kind") };
    is $@, '', "No error loading $f as $kind";
    ok defined($new), "Loading $f ($kind)";

    my $skip_unsupported_data_format = $kind =~ /^(PPM|gif)$/ ? "$kind is not supported" : "";

    my $data;
    my $new2;
    if ($skip_unsupported_data_format)
     {
      Tk::catch { $data = $src->data(-format => $kind) };
      like $@, qr/image string format "$kind" is not supported/, "Error message for $kind";
      SKIP: { skip "No data for $kind", 1 }
     }
    else
     {
      $data = $src->data(-format => $kind);
      ok defined($data) && $data ne "", "$kind returns data";
      if (defined $data)
       {
        $new2 = $mw->Photo(-data => $data, -format => $kind) if defined $data;
        ok defined $new2, "Data back to image";
       }
      else
       {
	SKIP: { skip "No data was returned", 1 }
       }
     }

    $mw->Label(-text  => $kind)->grid(-row => $row, -column => $col);
    $mw->Label(-background => 'white', -image => $new)->grid(-row => $row+1, -column => $col);
    if (defined $new2) {
	$mw->Label(-background => 'white', -image => $new2)->grid(-row => $row+2, -column => $col);
    }
    $mw->update;
    $col++;
   }
 $row += 3;
}

# Extra tests
my $col = 0;
$mw->Label(-text => "Extra tests")->grid(-row => $row++, -column => $col);
my $file = Tk->findINC('Xcamel.gif');
my $data = do { open my $fh, $file or die $!; binmode $fh; local $/; <$fh> };

SKIP:
 {
  skip "Binary GIF data not supported", 1
   if $Tk::VERSION <= 804.027;

  my $image = $mw->Photo(-data => $data);
  ok defined $image, "Read binary GIF data";
  $mw->Label(-background => 'white', -image => $image)->grid(-row => $row, -column => $col);
  $mw->update;
 }
$col++;

SKIP:
 {
  skip "Need MIME::Base64 module", 1
   if !eval { require MIME::Base64; 1 };

  my $image = $mw->Photo(-data => MIME::Base64::encode_base64($data));
  ok defined $image, "Read base64 encoded GIF data";
  $mw->Label(-background => 'white', -image => $image)->grid(-row => $row, -column => $col);
  $mw->update;
 }
$col++;

{
    # RT #70429: correct file name in error message
    eval { $mw->Photo(-file => $0) };
    like $@, qr{\Q$0\E}, 'File name appears in error message';
}

{
    my($tmpfh,$tmpfile) = tempfile(SUFFIX => ".gif", UNLINK => 1)
	or die "Cannot create temporary file: $!";
    print $tmpfh "GIF89a\0\0\0\0";
    close $tmpfh or die $!;

    eval { $mw->Photo(-file => $tmpfile, -format => 'gif') };
    like $@, qr{\Q$tmpfile\E}, 'File name appears in error message';
    like $@, qr{\Qhas dimension(s) <= 0}, 'No dimensions error message';
}

{
    # Test case for RT #128103
    my $image = eval { $mw->Photo(-data => <<'EOF') };
/* XPM */
static char *noname[] = {
/* width height ncolors chars_per_pixel */
"80 1 4 1",
/* colors */
"  c #000000",
". c #914800",
"/ c #482455",
"* c #6D4800",
/* pixels */
"innyymtytnnt>qqqqqq=qcickkk,rwq,qrr,rir,rq>qrrrrjrxiriitq=@/*/@o^#=r,rtifqq@#@#="
};
EOF
    is $@, '', 'No error';
    ok $image, "'/*' in XPM data caused no problem";
}

{
    # Similar test case for RT #128103 (comment marker in colors section)
    my $image = eval { $mw->Photo(-data => <<'EOF') };
/* XPM */
static char *noname[] = {
/* width height ncolors chars_per_pixel */
"80 1 4 1",
/* colors */
"  c #000000",
". c #914800",
"/ c #482455", /* weird color */
"* c #6D4800",
/* pixels */
"................................................................................"
};
EOF
    is $@, '', 'No error';
    ok $image, "'/*' in XPM data caused no problem";
}

{
    # Error case: short read
    my $image = eval { $mw->Photo(-data => <<'EOF') };
/* XPM */
static char *noname[] = {
/* width height ncolors chars_per_pixel */
"2 2 2 1",
/* colors */
"  c #000000",
". c #914800",
/* pixels */
".."
};
EOF
    like $@, qr{^\QXPM image file is truncated; still 1 line(s) need to be read}, 'Expected error message about truncation';
    ok !$image, "Truncated image was not created";
}

$mw->after(2500,[destroy => $mw]);
MainLoop;

foreach (@files)
 {
  unlink($_) if -f $_;
 }