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|
covers 'facets/integer/bitmask'
test_case Integer do
method :bit do
test do
0.bit(0).assert == 1
0.bit(1).assert == 2
0.bit(2).assert == 4
0.bit(3).assert == 8
end
end
method :bit do
test "negate" do
1.bit(~0).assert == 0
2.bit(~1).assert == 0
4.bit(~2).assert == 0
8.bit(~3).assert == 0
end
end
method :bit_clear do
test do
1.bit_clear(0).assert == 0
2.bit_clear(1).assert == 0
4.bit_clear(2).assert == 0
8.bit_clear(3).assert == 0
end
end
method :bit? do
test do
a = 8
assert(! a.bit?(0))
assert(! a.bit?(1))
assert(! a.bit?(2))
assert( a.bit?(3))
assert(! a.bit?(4))
assert(! a.bit?(5))
end
end
method :bitmask do
test do
a = 1
m = Bit(4)
a = a.bitmask(m)
a.assert == 17
assert( a.bitmask?(m) )
end
end
method :bitmask? do
test do
7.assert.bitmask?(7)
7.assert.bitmask?(5)
8.refute.bitmask?(3)
end
end
end
test_case Kernel do
method :Bit do
test do
n = Bit(4)
n.assert == 16
end
end
end
|
