summaryrefslogtreecommitdiffstats
path: root/tests/imgPPM.test
blob: 53aa4c7e527a7ba83222e4179cf0ef97a5e83fdc (plain)
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
# This file is a Tcl script to test out the code in tkImgFmtPPM.c,
# which reads and write PPM-format image files for photo widgets.
# The files is organized in the standard fashion for Tcl tests.
#
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.
#
# RCS: @(#) $Id: imgPPM.test,v 1.8 2004/12/08 03:03:06 dgp Exp $

package require tcltest 2.1
eval tcltest::configure $argv
tcltest::loadTestedCommands

eval image delete [image names]

# Note that we do not use [tcltest::makeFile] because it is
# only suitable for text files
proc put {file data} {
    set f [open $file w]
    fconfigure $f -translation lf
    puts -nonewline $f $data
    close $f
}

test imgPPM-1.1 {FileReadPPM procedure} {
    put test.ppm "P6\n0 256\n255\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has dimension(s) <= 0}}
test imgPPM-1.2 {FileReadPPM procedure} {
    put test.ppm "P6\n-2 256\n255\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has dimension(s) <= 0}}
test imgPPM-1.3 {FileReadPPM procedure} {
    put test.ppm "P6\n10 0\n255\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has dimension(s) <= 0}}
test imgPPM-1.4 {FileReadPPM procedure} {
    put test.ppm "P6\n10 -2\n255\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has dimension(s) <= 0}}
test imgPPM-1.5 {FileReadPPM procedure} {
    put test.ppm "P6\n10 20\n256\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has bad maximum intensity value 256}}
test imgPPM-1.6 {FileReadPPM procedure} {
    put test.ppm "P6\n10 20\n0\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {PPM image file "test.ppm" has bad maximum intensity value 0}}
test imgPPM-1.7 {FileReadPPM procedure} {
    put test.ppm "P6\n10 10\n255\nabcdef"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {error reading PPM image file "test.ppm": not enough data}}
test imgPPM-1.8 {FileReadPPM procedure} {
    put test.ppm "P6\n5 4\n255\n01234567890123456789012345678901234567890123456789012345678"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {error reading PPM image file "test.ppm": not enough data}}
test imgPPM-1.9 {FileReadPPM procedure} {
    put test.ppm "P6\n5 4\n150\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg \
	    [image width p1] [image height p1]
} {0 p1 5 4}

catch {image delete p1}
put test.ppm "P6\n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
image create photo p1 -file test.ppm
test imgPPM-2.1 {FileWritePPM procedure} {
    list [catch {p1 write not_a_dir/bar/baz/gorp} msg] [string tolower $msg] \
	    [string tolower $errorCode]
} {1 {couldn't open "not_a_dir/bar/baz/gorp": no such file or directory} {posix enoent {no such file or directory}}}
test imgPPM-2.2 {FileWritePPM procedure} {
    catch {unset data}
    p1 write -format ppm test.ppm
    set fd [open test.ppm]
    set data [read $fd]
    close $fd
    set data
} {P6
5 4
255
012345678901234567890123456789012345678901234567890123456789}

test imgPPM-3.1 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "#   \n#\n#\nP6\n#\n##\n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {0 p1}
test imgPPM-3.2 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6\n5\n 4   	                                                                 255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {0 p1}
test imgPPM-3.3 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6\n#                                                                      asdfasdf\n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {0 p1}
test imgPPM-3.4 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6 \n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {0 p1}
test imgPPM-3.5 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P5\n5 4\n255\n01234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {0 p1}
test imgPPM-3.6 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P3\n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.7 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6x\n5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.8 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6\nxy5 4\n255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.9 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6\n5\n255\n!012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.10 {ReadPPMFileHeader procedure} {
    catch {image delete p1}
    put test.ppm "P6\n5 4\nzz255\n012345678901234567890123456789012345678901234567890123456789"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.11 {ReadPPMFileHeader procedure, empty file} {
    catch {image delete p1}
    put test.ppm "     "
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.12 {ReadPPMFileHeader procedure, file ends too soon} {
    catch {image delete p1}
    put test.ppm "P6\n566"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}
test imgPPM-3.13 {ReadPPMFileHeader procedure, file ends too soon} {
    catch {image delete p1}
    put test.ppm "P6\n566\n#asdf"
    list [catch {image create photo p1 -file test.ppm} msg] $msg
} {1 {couldn't recognize data in image file "test.ppm"}}

eval image delete [image names]

# cleanup
catch {file delete test.ppm}
cleanupTests
return