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##
# Array(Ext) Test
assert("Array::try_convert") do
assert_equal [1], Array.try_convert([1])
assert_nil Array.try_convert("1")
end
assert("Array#assoc") do
s1 = [ "colors", "red", "blue", "green" ]
s2 = [ "letters", "a", "b", "c" ]
s3 = "foo"
a = [ s1, s2, s3 ]
assert_equal [ "letters", "a", "b", "c" ], a.assoc("letters")
assert_nil a.assoc("foo")
end
assert("Array#at") do
a = [ "a", "b", "c", "d", "e" ]
assert_equal "a", a.at(0)
assert_equal "e", a.at(-1)
end
assert("Array#rassoc") do
a = [ [ 1, "one"], [2, "two"], [3, "three"], ["ii", "two"] ]
assert_equal [2, "two"], a.rassoc("two")
assert_nil a.rassoc("four")
end
assert("Array#uniq!") do
a = [1, 2, 3, 1]
a.uniq!
assert_equal [1, 2, 3], a
b = [ "a", "b", "c" ]
assert_nil b.uniq!
c = [["student","sam"], ["student","george"], ["teacher","matz"]]
assert_equal [["student", "sam"], ["teacher", "matz"]], c.uniq! { |s| s.first }
d = [["student","sam"], ["teacher","matz"]]
assert_nil d.uniq! { |s| s.first }
end
assert("Array#uniq") do
a = [1, 2, 3, 1]
assert_equal [1, 2, 3], a.uniq
assert_equal [1, 2, 3, 1], a
b = [["student","sam"], ["student","george"], ["teacher","matz"]]
assert_equal [["student", "sam"], ["teacher", "matz"]], b.uniq { |s| s.first }
end
assert("Array#-") do
a = [1, 2, 3, 1]
b = [1]
c = 1
assert_raise(TypeError) { a - c }
assert_equal [2, 3], (a - b)
assert_equal [1, 2, 3, 1], a
end
assert("Array#|") do
a = [1, 2, 3, 1]
b = [1, 4]
c = 1
assert_raise(TypeError) { a | c }
assert_equal [1, 2, 3, 4], (a | b)
assert_equal [1, 2, 3, 1], a
end
assert("Array#&") do
a = [1, 2, 3, 1]
b = [1, 4]
c = 1
assert_raise(TypeError) { a & c }
assert_equal [1], (a & b)
assert_equal [1, 2, 3, 1], a
end
assert("Array#flatten") do
assert_equal [1, 2, "3", {4=>5}, :'6'], [1, 2, "3", {4=>5}, :'6'].flatten
assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, 4, 5], 6].flatten
assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, [4, 5], 6]].flatten
assert_equal [1, [2, [3, [4, [5, [6]]]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(0)
assert_equal [1, 2, [3, [4, [5, [6]]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(1)
assert_equal [1, 2, 3, [4, [5, [6]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(2)
assert_equal [1, 2, 3, 4, [5, [6]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(3)
assert_equal [1, 2, 3, 4, 5, [6]], [1, [2, [3, [4, [5, [6]]]]]].flatten(4)
assert_equal [1, 2, 3, 4, 5, 6], [1, [2, [3, [4, [5, [6]]]]]].flatten(5)
end
assert("Array#flatten!") do
assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, [4, 5], 6]].flatten!
end
assert("Array#compact") do
a = [1, nil, "2", nil, :t, false, nil]
assert_equal [1, "2", :t, false], a.compact
assert_equal [1, nil, "2", nil, :t, false, nil], a
end
assert("Array#compact!") do
a = [1, nil, "2", nil, :t, false, nil]
a.compact!
assert_equal [1, "2", :t, false], a
end
assert("Array#fetch") do
a = [ 11, 22, 33, 44 ]
assert_equal 22, a.fetch(1)
assert_equal 44, a.fetch(-1)
assert_equal 'cat', a.fetch(4, 'cat')
ret = 0
a.fetch(100) { |i| ret = i }
assert_equal 100, ret
assert_raise(IndexError) { a.fetch(100) }
end
assert("Array#fill") do
a = [ "a", "b", "c", "d" ]
assert_equal ["x", "x", "x", "x"], a.fill("x")
assert_equal ["x", "x", "x", "w"], a.fill("w", -1)
assert_equal ["x", "x", "z", "z"], a.fill("z", 2, 2)
assert_equal ["y", "y", "z", "z"], a.fill("y", 0..1)
assert_equal [0, 1, 4, 9], a.fill { |i| i*i }
assert_equal [0, 1, 8, 27], a.fill(-2) { |i| i*i*i }
assert_equal [0, 2, 3, 27], a.fill(1, 2) { |i| i+1 }
assert_equal [1, 2, 3, 27], a.fill(0..1) { |i| i+1 }
assert_raise(ArgumentError) { a.fill }
end
assert("Array#reverse_each") do
a = [ "a", "b", "c", "d" ]
b = []
a.reverse_each do |i|
b << i
end
assert_equal [ "d", "c", "b", "a" ], b
if Object.const_defined?(:Enumerator)
assert_equal [ "d", "c", "b", "a" ], a.reverse_each.to_a
else
true
end
end
assert("Array#rotate") do
a = ["a", "b", "c", "d"]
assert_equal ["b", "c", "d", "a"], a.rotate
assert_equal ["a", "b", "c", "d"], a
assert_equal ["c", "d", "a", "b"], a.rotate(2)
assert_equal ["b", "c", "d", "a"], a.rotate(-3)
assert_equal ["c", "d", "a", "b"], a.rotate(10)
assert_equal [], [].rotate
end
assert("Array#rotate!") do
a = ["a", "b", "c", "d"]
assert_equal ["b", "c", "d", "a"], a.rotate!
assert_equal ["b", "c", "d", "a"], a
assert_equal ["d", "a", "b", "c"], a.rotate!(2)
assert_equal ["a", "b", "c", "d"], a.rotate!(-3)
assert_equal ["c", "d", "a", "b"], a.rotate(10)
assert_equal [], [].rotate!
end
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