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require 'test/unit'
class TestArray < Test::Unit::TestCase
def test_array
assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
assert_equal([1, 2, 1, 2], [1, 2] * 2)
assert_equal("1:2", [1, 2] * ":")
assert_equal([1, 2].hash, [1, 2].hash)
assert_equal([2,3], [1,2,3] & [2,3,4])
assert_equal([1,2,3,4], [1,2,3] | [2,3,4])
assert_equal([1,2,3] - [2,3], [1])
x = [0, 1, 2, 3, 4, 5]
assert_equal(2, x[2])
assert_equal([1, 2, 3], x[1..3])
assert_equal([1, 2, 3], x[1,3])
x[0, 2] = 10
assert(x[0] == 10 && x[1] == 2)
x[0, 0] = -1
assert(x[0] == -1 && x[1] == 10)
x[-1, 1] = 20
assert(x[-1] == 20 && x.pop == 20)
end
def test_array_andor
assert_equal([2], ([1,2,3]&[2,4,6]))
assert_equal([1,2,3,4,6], ([1,2,3]|[2,4,6]))
end
def test_compact
x = [nil, 1, nil, nil, 5, nil, nil]
x.compact!
assert_equal([1, 5], x)
end
def test_uniq
x = [1, 1, 4, 2, 5, 4, 5, 1, 2]
x.uniq!
assert_equal([1, 4, 2, 5], x)
# empty?
assert(!x.empty?)
x = []
assert(x.empty?)
end
def test_sort
x = ["it", "came", "to", "pass", "that", "..."]
x = x.sort.join(" ")
assert_equal("... came it pass that to", x)
x = [2,5,3,1,7]
x.sort!{|a,b| a<=>b} # sort with condition
assert_equal([1,2,3,5,7], x)
x.sort!{|a,b| b-a} # reverse sort
assert_equal([7,5,3,2,1], x)
end
def test_split
x = "The Boassert of Mormon"
assert_equal(x.reverse, x.split(//).reverse!.join)
assert_equal(x.reverse, x.reverse!)
assert_equal("g:n:i:r:t:s: :e:t:y:b: :1", "1 byte string".split(//).reverse.join(":"))
x = "a b c d"
assert_equal(['a', 'b', 'c', 'd'], x.split)
assert_equal(['a', 'b', 'c', 'd'], x.split(' '))
end
def test_misc
assert(defined? "a".chomp)
assert_equal(["a", "b", "c"], "abc".scan(/./))
assert_equal([["1a"], ["2b"], ["3c"]], "1a2b3c".scan(/(\d.)/))
# non-greedy match
assert_equal([["a", "12"], ["b", "22"]], "a=12;b=22".scan(/(.*?)=(\d*);?/))
x = [1]
assert_equal('1:1:1:1:1', (x * 5).join(":"))
assert_equal('1', (x * 1).join(":"))
assert_equal('', (x * 0).join(":"))
*x = *(1..7).to_a
assert_equal(7, x.size)
assert_equal([1, 2, 3, 4, 5, 6, 7], x)
x = [1,2,3]
x[1,0] = x
assert_equal([1,1,2,3,2,3], x)
x = [1,2,3]
x[-1,0] = x
assert_equal([1,2,1,2,3,3], x)
x = [1,2,3]
x.concat(x)
assert_equal([1,2,3,1,2,3], x)
x = [1,2,3]
x.clear
assert_equal([], x)
x = [1,2,3]
y = x.dup
x << 4
y << 5
assert_equal([1,2,3,4], x)
assert_equal([1,2,3,5], y)
end
def test_beg_end
x = [1, 2, 3, 4, 5]
assert_equal(1, x.first)
assert_equal([1], x.first(1))
assert_equal([1, 2, 3], x.first(3))
assert_equal(5, x.last)
assert_equal([5], x.last(1))
assert_equal([3, 4, 5], x.last(3))
assert_equal(1, x.shift)
assert_equal([2, 3, 4], x.shift(3))
assert_equal([5], x)
assert_equal([2, 3, 4, 5], x.unshift(2, 3, 4))
assert_equal([1, 2, 3, 4, 5], x.unshift(1))
assert_equal([1, 2, 3, 4, 5], x)
assert_equal(5, x.pop)
assert_equal([3, 4], x.pop(2))
assert_equal([1, 2], x)
assert_equal([1, 2, 3, 4], x.push(3, 4))
assert_equal([1, 2, 3, 4, 5], x.push(5))
assert_equal([1, 2, 3, 4, 5], x)
end
def test_find_all
assert_respond_to([], :find_all)
assert_respond_to([], :select) # Alias
assert_equal([], [].find_all{ |obj| obj == "foo"})
x = ["foo", "bar", "baz", "baz", 1, 2, 3, 3, 4]
assert_equal(["baz","baz"], x.find_all{ |obj| obj == "baz" })
assert_equal([3,3], x.find_all{ |obj| obj == 3 })
end
def test_fill
assert_equal([-1, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1))
assert_equal([0, 1, 2, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 3))
assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3, 2))
assert_equal([0, 1, 2, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 3, 5))
assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2, 2))
assert_equal([0, 1, -1, -1, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, 2, 5))
assert_equal([0, 1, 2, 3, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, -2, 1))
assert_equal([0, 1, 2, 3, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, -2, 3))
assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3..4))
assert_equal([0, 1, 2, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3...4))
assert_equal([0, 1, -1, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2..-2))
assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2...-2))
assert_equal([10, 11, 12, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill{|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15], [0, 1, 2, 3, 4, 5].fill(3){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3, 2){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 15, 16, 17], [0, 1, 2, 3, 4, 5].fill(3, 5){|i| i+10})
assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3..4){|i| i+10})
assert_equal([0, 1, 2, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(3...4){|i| i+10})
assert_equal([0, 1, 12, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(2..-2){|i| i+10})
assert_equal([0, 1, 12, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(2...-2){|i| i+10})
end
end
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