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corrupted file tests

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This commit is contained in:
Ryan Oldenburg 2020-11-21 00:12:55 -06:00
parent 344063ddbc
commit c0803c3336
2 changed files with 99 additions and 72 deletions
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162
tests/pngsuite.nim
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@ -1,73 +1,93 @@
const pngSuiteFiles* = [ # http://www.schaik.com/pngsuite/
# Basic
"basn0g01", # black & white
"basn0g02", # 2 bit (4 level) grayscale
"basn0g04", # 4 bit (16 level) grayscale
"basn0g08", # 8 bit (256 level) grayscale
# "basn0g16", # 16 bit (64k level) grayscale
"basn2c08", # 3x8 bits rgb color
# "basn2c16", # 3x16 bits rgb color
"basn3p01", # 1 bit (2 color) paletted
"basn3p02", # 2 bit (4 color) paletted
"basn3p04", # 4 bit (16 color) paletted
"basn3p08", # 8 bit (256 color) paletted
"basn4a08", # 8 bit grayscale + 8 bit alpha-channel
# "basn4a16", # 16 bit grayscale + 16 bit alpha-channel
"basn6a08", # 3x8 bits rgb color + 8 bit alpha-channel
# "basn6a16", # 3x16 bits rgb color + 16 bit alpha-channel
# Interlaced const
# "basi0g01", # black & white pngSuiteFiles* = [
# "basi0g02", # 2 bit (4 level) grayscale # Basic
# "basi0g04", # 4 bit (16 level) grayscale "basn0g01", # black & white
# "basi0g08", # 8 bit (256 level) grayscale "basn0g02", # 2 bit (4 level) grayscale
# "basi0g16", # 16 bit (64k level) grayscale "basn0g04", # 4 bit (16 level) grayscale
# "basi2c08", # 3x8 bits rgb color "basn0g08", # 8 bit (256 level) grayscale
# "basi2c16", # 3x16 bits rgb color # "basn0g16", # 16 bit (64k level) grayscale
# "basi3p01", # 1 bit (2 color) paletted "basn2c08", # 3x8 bits rgb color
# "basi3p02", # 2 bit (4 color) paletted # "basn2c16", # 3x16 bits rgb color
# "basi3p04", # 4 bit (16 color) paletted "basn3p01", # 1 bit (2 color) paletted
# "basi3p08", # 8 bit (256 color) paletted "basn3p02", # 2 bit (4 color) paletted
# "basi4a08", # 8 bit grayscale + 8 bit alpha-channel "basn3p04", # 4 bit (16 color) paletted
# "basi4a16", # 16 bit grayscale + 16 bit alpha-channel "basn3p08", # 8 bit (256 color) paletted
# "basi6a08", # 3x8 bits rgb color + 8 bit alpha-channel "basn4a08", # 8 bit grayscale + 8 bit alpha-channel
# "basi6a16", # 3x16 bits rgb color + 16 bit alpha-channel # "basn4a16", # 16 bit grayscale + 16 bit alpha-channel
"basn6a08", # 3x8 bits rgb color + 8 bit alpha-channel
# "basn6a16", # 3x16 bits rgb color + 16 bit alpha-channel
# Odd sizes # Interlaced
# "s01i3p01", # 1x1 paletted file, interlaced # "basi0g01", # black & white
"s01n3p01", # 1x1 paletted file, no interlacing # "basi0g02", # 2 bit (4 level) grayscale
# "s02i3p01", # 2x2 paletted file, interlaced # "basi0g04", # 4 bit (16 level) grayscale
"s02n3p01", # 2x2 paletted file, no interlacing # "basi0g08", # 8 bit (256 level) grayscale
# "s03i3p01", # 3x3 paletted file, interlaced # "basi0g16", # 16 bit (64k level) grayscale
"s03n3p01", # 3x3 paletted file, no interlacing # "basi2c08", # 3x8 bits rgb color
# "s04i3p01", # 4x4 paletted file, interlaced # "basi2c16", # 3x16 bits rgb color
"s04n3p01", # 4x4 paletted file, no interlacing # "basi3p01", # 1 bit (2 color) paletted
# "s05i3p02", # 5x5 paletted file, interlaced # "basi3p02", # 2 bit (4 color) paletted
"s05n3p02", # 5x5 paletted file, no interlacing # "basi3p04", # 4 bit (16 color) paletted
# "s06i3p02", # 6x6 paletted file, interlaced # "basi3p08", # 8 bit (256 color) paletted
"s06n3p02", # 6x6 paletted file, no interlacing # "basi4a08", # 8 bit grayscale + 8 bit alpha-channel
# "s07i3p02", # 7x7 paletted file, interlaced # "basi4a16", # 16 bit grayscale + 16 bit alpha-channel
"s07n3p02", # 7x7 paletted file, no interlacing # "basi6a08", # 3x8 bits rgb color + 8 bit alpha-channel
# "s08i3p02", # 8x8 paletted file, interlaced # "basi6a16", # 3x16 bits rgb color + 16 bit alpha-channel
"s08n3p02", # 8x8 paletted file, no interlacing
# "s09i3p02", # 9x9 paletted file, interlaced # Odd sizes
"s09n3p02", # 9x9 paletted file, no interlacing # "s01i3p01", # 1x1 paletted file, interlaced
# "s32i3p04", # 32x32 paletted file, interlaced "s01n3p01", # 1x1 paletted file, no interlacing
"s32n3p04", # 32x32 paletted file, no interlacing # "s02i3p01", # 2x2 paletted file, interlaced
# "s33i3p04", # 33x33 paletted file, interlaced "s02n3p01", # 2x2 paletted file, no interlacing
"s33n3p04", # 33x33 paletted file, no interlacing # "s03i3p01", # 3x3 paletted file, interlaced
# "s34i3p04", # 34x34 paletted file, interlaced "s03n3p01", # 3x3 paletted file, no interlacing
"s34n3p04", # 34x34 paletted file, no interlacing # "s04i3p01", # 4x4 paletted file, interlaced
# "s35i3p04", # 35x35 paletted file, interlaced "s04n3p01", # 4x4 paletted file, no interlacing
"s35n3p04", # 35x35 paletted file, no interlacing # "s05i3p02", # 5x5 paletted file, interlaced
# "s36i3p04", # 36x36 paletted file, interlaced "s05n3p02", # 5x5 paletted file, no interlacing
"s36n3p04", # 36x36 paletted file, no interlacing # "s06i3p02", # 6x6 paletted file, interlaced
# "s37i3p04", # 37x37 paletted file, interlaced "s06n3p02", # 6x6 paletted file, no interlacing
"s37n3p04", # 37x37 paletted file, no interlacing # "s07i3p02", # 7x7 paletted file, interlaced
# "s38i3p04", # 38x38 paletted file, interlaced "s07n3p02", # 7x7 paletted file, no interlacing
"s38n3p04", # 38x38 paletted file, no interlacing # "s08i3p02", # 8x8 paletted file, interlaced
# "s39i3p04", # 39x39 paletted file, interlaced "s08n3p02", # 8x8 paletted file, no interlacing
"s39n3p04", # 39x39 paletted file, no interlacing # "s09i3p02", # 9x9 paletted file, interlaced
# "s40i3p04", # 40x40 paletted file, interlaced "s09n3p02", # 9x9 paletted file, no interlacing
"s40n3p04", # 40x40 paletted file, no interlacing # "s32i3p04", # 32x32 paletted file, interlaced
] "s32n3p04", # 32x32 paletted file, no interlacing
# "s33i3p04", # 33x33 paletted file, interlaced
"s33n3p04", # 33x33 paletted file, no interlacing
# "s34i3p04", # 34x34 paletted file, interlaced
"s34n3p04", # 34x34 paletted file, no interlacing
# "s35i3p04", # 35x35 paletted file, interlaced
"s35n3p04", # 35x35 paletted file, no interlacing
# "s36i3p04", # 36x36 paletted file, interlaced
"s36n3p04", # 36x36 paletted file, no interlacing
# "s37i3p04", # 37x37 paletted file, interlaced
"s37n3p04", # 37x37 paletted file, no interlacing
# "s38i3p04", # 38x38 paletted file, interlaced
"s38n3p04", # 38x38 paletted file, no interlacing
# "s39i3p04", # 39x39 paletted file, interlaced
"s39n3p04", # 39x39 paletted file, no interlacing
# "s40i3p04", # 40x40 paletted file, interlaced
"s40n3p04", # 40x40 paletted file, no interlacing
]
pngSuiteCorruptedFiles* = [
"xs1n0g01", # signature byte 1 MSBit reset to zero
"xs2n0g01", # signature byte 2 is a 'Q'
"xs4n0g01", # signature byte 4 lowercase
"xs7n0g01", # 7th byte a space instead of control-Z
"xcrn0g04", # added cr bytes
"xlfn0g04", # added lf bytes
# "xhdn0g08", # incorrect IHDR checksum
"xc1n0g08", # color type 1
"xc9n2c08", # color type 9
"xd0n2c08", # bit-depth 0
"xd3n2c08", # bit-depth 3
"xd9n2c08", # bit-depth 99
"xdtn0g01", # missing IDAT chunk
# "xcsn0g01" # incorrect IDAT checksum
]

9
tests/test_png.nim
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@ -1,4 +1,4 @@
import pixie/fileformats/png, strformat, pngsuite import pixie/fileformats/png, strformat, pngsuite, pixie/common
for file in pngSuiteFiles: for file in pngSuiteFiles:
let let
@ -20,3 +20,10 @@ for channels in 1 .. 4:
components[i] = (x * 16).uint8 components[i] = (x * 16).uint8
data.add(components) data.add(components)
let encoded = encodePng(16, 16, channels, data[0].addr, data.len) let encoded = encodePng(16, 16, channels, data[0].addr, data.len)
for file in pngSuiteCorruptedFiles:
try:
discard decodePng(readFile(&"tests/data/pngsuite/{file}.png"))
doAssert false
except PixieError:
discard