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require 'caca'
class TC_Canvas < MiniTest::Test
def test_create
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
end
def test_fail_create
assert_raises(RuntimeError) {
d = Caca::Dither.new(-1, 32, 32, 32, 0, 0, 0, 0)
}
end
def test_set_palette
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_raises(ArgumentError) {
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.palette = []
}
end
def test_fail_set_palette2
assert_raises(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
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.brightness = 0.5
end
def test_set_gamma
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.gamma = 0.5
end
def test_set_contrast
d = Caca::Dither.new(8, 32, 32, 32, 0, 0, 0, 0)
d.contrast = 0.5
end
end
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