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trailing data test for png

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This commit is contained in:
Ryan Oldenburg 2021-05-09 17:27:34 -05:00
parent 4d2d780a51
commit ee79db8c88
2 changed files with 20 additions and 16 deletions
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tests/test_png.nim
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@ -1,4 +1,4 @@
import pixie/common, pixie/fileformats/png, pngsuite, strformat import pixie, pixie/fileformats/png, pngsuite, strformat
# for file in pngSuiteFiles: # for file in pngSuiteFiles:
# let # let
@ -13,19 +13,23 @@ import pixie/common, pixie/fileformats/png, pngsuite, strformat
# doAssert decoded.width == decoded2.width # doAssert decoded.width == decoded2.width
# doAssert decoded.data == decoded2.data # doAssert decoded.data == decoded2.data
for channels in 1 .. 4: block:
var data: seq[uint8] for channels in 1 .. 4:
for x in 0 ..< 16: var data: seq[uint8]
for y in 0 ..< 16: for x in 0 ..< 16:
var components = newSeq[uint8](channels) for y in 0 ..< 16:
for i in 0 ..< channels: var components = newSeq[uint8](channels)
components[i] = (x * 16).uint8 for i in 0 ..< channels:
data.add(components) components[i] = (x * 16).uint8
let encoded = encodePng(16, 16, channels, data[0].addr, data.len) data.add(components)
let encoded = encodePng(16, 16, channels, data[0].addr, data.len)
for file in pngSuiteCorruptedFiles: for file in pngSuiteCorruptedFiles:
try: try:
discard decodePng(readFile(&"tests/images/png/pngsuite/{file}.png")) discard decodePng(readFile(&"tests/images/png/pngsuite/{file}.png"))
doAssert false doAssert false
except PixieError: except PixieError:
discard discard
block:
discard readImage("tests/images/png/trailing_data.png")