pixie/tests/fuzz_opentype.nim

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2021-04-26 07:37:40 +00:00
import common, pixie, random, strformat, unicode
2021-04-26 07:05:27 +00:00
randomize()
let fontPaths = findAllFonts("tests/fonts")
doAssert fontPaths.len > 0
for i in 0 ..< 10000:
var
file = fontPaths[rand(fontPaths.len - 1)]
data = readFile(file)
pos = rand(data.len)
value = rand(255).char
data[pos] = value
echo &"{i} {file} {pos} {value.uint8}"
try:
let font = parseOtf(data)
doAssert font != nil
for i in 0.uint16 ..< uint16.high:
discard font.getGlyphPath(Rune(i.int))
except PixieError:
discard
data = data[0 ..< pos]
try:
let font = parseOtf(data)
doAssert font != nil
for i in 0.uint16 ..< uint16.high:
discard font.getGlyphPath(Rune(i.int))
except PixieError:
discard