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require 'caca'
class TC_Canvas < Test::Unit::TestCase
def test_create
assert_nothing_raised {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
}
end
def test_fail_create
assert_raise(RuntimeError) {
d = Caca::Dither.new(-1, 32, 32, 32, 0, 0, 0, 0)
}
end
def test_set_palette
assert_nothing_raised {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.palette=[[0xfff, 0xfff, 0xfff, 0xfff]]*256
}
end
def test_fail_set_palette
assert_raise(ArgumentError) {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.palette=[]
}
end
def test_fail_set_palette2
assert_raise(RuntimeError) {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.palette=[[0xffff, 0, 0, 0]]*256
}
end
def test_set_brightness
assert_nothing_raised {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.brightness=0.5
}
end
def test_set_gamma
assert_nothing_raised {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.gamma=0.5
}
end
def test_set_contrast
assert_nothing_raised {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.contrast=0.5
}
end
end
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