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##
# Array(Ext) Test
assert("Array::try_convert") do
Array.try_convert([1]) == [1] and
Array.try_convert("1").nil?
end
assert("Array#assoc") do
s1 = [ "colors", "red", "blue", "green" ]
s2 = [ "letters", "a", "b", "c" ]
s3 = "foo"
a = [ s1, s2, s3 ]
a.assoc("letters") == [ "letters", "a", "b", "c" ] and
a.assoc("foo").nil?
end
assert("Array#at") do
a = [ "a", "b", "c", "d", "e" ]
a.at(0) == "a" and a.at(-1) == "e"
end
assert("Array#rassoc") do
a = [ [ 1, "one"], [2, "two"], [3, "three"], ["ii", "two"] ]
a.rassoc("two") == [2, "two"] and
a.rassoc("four").nil?
end
assert("Array#uniq!") do
a = [1, 2, 3, 1]
a.uniq!
a == [1, 2, 3]
end
assert("Array#uniq") do
a = [1, 2, 3, 1]
a.uniq == [1, 2, 3] && a == [1, 2, 3, 1]
end
assert("Array#-") do
a = [1, 2, 3, 1]
b = [1]
c = 1
e1 = nil
begin
a - c
rescue => e1
end
(a - b) == [2, 3] and e1.class == TypeError and a == [1, 2, 3, 1]
end
assert("Array#|") do
a = [1, 2, 3, 1]
b = [1, 4]
c = 1
e1 = nil
begin
a | c
rescue => e1
end
(a | b) == [1, 2, 3, 4] and e1.class == TypeError and a == [1, 2, 3, 1]
end
assert("Array#&") do
a = [1, 2, 3, 1]
b = [1, 4]
c = 1
e1 = nil
begin
a & c
rescue => e1
end
(a & b) == [1] and e1.class == TypeError and a == [1, 2, 3, 1]
end
assert("Array#flatten") do
[1, 2, "3", {4=>5}, :'6'] == [1, 2, "3", {4=>5}, :'6'].flatten and
[1, 2, 3, 4, 5, 6] == [1, 2, [3, 4, 5], 6].flatten and
[1, 2, 3, 4, 5, 6] == [1, 2, [3, [4, 5], 6]].flatten and
[1, [2, [3, [4, [5, [6]]]]]] == [1, [2, [3, [4, [5, [6]]]]]].flatten(0) and
[1, 2, [3, [4, [5, [6]]]]] == [1, [2, [3, [4, [5, [6]]]]]].flatten(1) and
[1, 2, 3, [4, [5, [6]]]] == [1, [2, [3, [4, [5, [6]]]]]].flatten(2) and
[1, 2, 3, 4, [5, [6]]] == [1, [2, [3, [4, [5, [6]]]]]].flatten(3) and
[1, 2, 3, 4, 5, [6]] == [1, [2, [3, [4, [5, [6]]]]]].flatten(4) and
[1, 2, 3, 4, 5, 6] == [1, [2, [3, [4, [5, [6]]]]]].flatten(5)
end
assert("Array#flatten!") do
[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]
a.compact == [1, "2", :t, false] && a == [1, nil, "2", nil, :t, false, nil]
end
assert("Array#compact!") do
a = [1, nil, "2", nil, :t, false, nil]
a.compact!
a == [1, "2", :t, false]
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
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