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-rw-r--r--test/ruby/test_array.rb2167
1 files changed, 2150 insertions, 17 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index c56f06c3b2..6c7f920d79 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1,7 +1,30 @@
+# coding: US-ASCII
require 'test/unit'
+require_relative 'envutil'
class TestArray < Test::Unit::TestCase
- def test_array
+ def setup
+ @verbose = $VERBOSE
+ $VERBOSE = nil
+ @cls = Array
+ end
+
+ def teardown
+ $VERBOSE = @verbose
+ end
+
+ def test_percent_i
+ assert_equal([:foo, :bar], %i[foo bar])
+ assert_equal([:"\"foo"], %i["foo])
+ end
+
+ def test_percent_I
+ x = 10
+ assert_equal([:foo, :b10], %I[foo b#{x}])
+ assert_equal([:"\"foo10"], %I["foo#{x}])
+ end
+
+ def test_0_literal
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] * ":")
@@ -27,29 +50,32 @@ class TestArray < Test::Unit::TestCase
assert(x[-1] == 20 && x.pop == 20)
end
- def test_array_andor
+ def test_array_andor_0
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)
+ def test_compact_0
+ a = [nil, 1, nil, nil, 5, nil, nil]
+ assert_equal [1, 5], a.compact
+ assert_equal [nil, 1, nil, nil, 5, nil, nil], a
+ a.compact!
+ assert_equal [1, 5], a
end
- def test_uniq
+ def test_uniq_0
x = [1, 1, 4, 2, 5, 4, 5, 1, 2]
x.uniq!
assert_equal([1, 4, 2, 5], x)
+ end
- # empty?
- assert(!x.empty?)
- x = []
- assert(x.empty?)
+ def test_empty_0
+ assert_equal true, [].empty?
+ assert_equal false, [1].empty?
+ assert_equal false, [1, 1, 4, 2, 5, 4, 5, 1, 2].empty?
end
- def test_sort
+ def test_sort_0
x = ["it", "came", "to", "pass", "that", "..."]
x = x.sort.join(" ")
assert_equal("... came it pass that to", x)
@@ -60,8 +86,8 @@ class TestArray < Test::Unit::TestCase
assert_equal([7,5,3,2,1], x)
end
- def test_split
- x = "The Boassert of Mormon"
+ def test_split_0
+ x = "The Book 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(":"))
@@ -70,7 +96,7 @@ class TestArray < Test::Unit::TestCase
assert_equal(['a', 'b', 'c', 'd'], x.split(' '))
end
- def test_misc
+ def test_misc_0
assert(defined? "a".chomp)
assert_equal(["a", "b", "c"], "abc".scan(/./))
assert_equal([["1a"], ["2b"], ["3c"]], "1a2b3c".scan(/(\d.)/))
@@ -110,7 +136,35 @@ class TestArray < Test::Unit::TestCase
assert_equal([1,2,3,5], y)
end
- def test_find_all
+ def test_beg_end_0
+ 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_0
assert_respond_to([], :find_all)
assert_respond_to([], :select) # Alias
assert_equal([], [].find_all{ |obj| obj == "foo"})
@@ -120,7 +174,7 @@ class TestArray < Test::Unit::TestCase
assert_equal([3,3], x.find_all{ |obj| obj == 3 })
end
- def test_fill
+ def test_fill_0
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))
@@ -142,4 +196,2083 @@ class TestArray < Test::Unit::TestCase
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
+
+ # From rubicon
+
+ def test_00_new
+ a = @cls.new()
+ assert_instance_of(@cls, a)
+ assert_equal(0, a.length)
+ assert_nil(a[0])
+ end
+
+ def test_01_square_brackets
+ a = @cls[ 5, 4, 3, 2, 1 ]
+ assert_instance_of(@cls, a)
+ assert_equal(5, a.length)
+ 5.times { |i| assert_equal(5-i, a[i]) }
+ assert_nil(a[6])
+ end
+
+ def test_AND # '&'
+ assert_equal(@cls[1, 3], @cls[ 1, 1, 3, 5 ] & @cls[ 1, 2, 3 ])
+ assert_equal(@cls[], @cls[ 1, 1, 3, 5 ] & @cls[ ])
+ assert_equal(@cls[], @cls[ ] & @cls[ 1, 2, 3 ])
+ assert_equal(@cls[], @cls[ 1, 2, 3 ] & @cls[ 4, 5, 6 ])
+ end
+
+ def test_MUL # '*'
+ assert_equal(@cls[], @cls[]*3)
+ assert_equal(@cls[1, 1, 1], @cls[1]*3)
+ assert_equal(@cls[1, 2, 1, 2, 1, 2], @cls[1, 2]*3)
+ assert_equal(@cls[], @cls[1, 2, 3] * 0)
+ assert_raise(ArgumentError) { @cls[1, 2]*(-3) }
+
+ assert_equal('1-2-3-4-5', @cls[1, 2, 3, 4, 5] * '-')
+ assert_equal('12345', @cls[1, 2, 3, 4, 5] * '')
+
+ end
+
+ def test_PLUS # '+'
+ assert_equal(@cls[], @cls[] + @cls[])
+ assert_equal(@cls[1], @cls[1] + @cls[])
+ assert_equal(@cls[1], @cls[] + @cls[1])
+ assert_equal(@cls[1, 1], @cls[1] + @cls[1])
+ assert_equal(@cls['cat', 'dog', 1, 2, 3], %w(cat dog) + (1..3).to_a)
+ end
+
+ def test_MINUS # '-'
+ assert_equal(@cls[], @cls[1] - @cls[1])
+ assert_equal(@cls[1], @cls[1, 2, 3, 4, 5] - @cls[2, 3, 4, 5])
+ # Ruby 1.8 feature change
+ #assert_equal(@cls[1], @cls[1, 2, 1, 3, 1, 4, 1, 5] - @cls[2, 3, 4, 5])
+ assert_equal(@cls[1, 1, 1, 1], @cls[1, 2, 1, 3, 1, 4, 1, 5] - @cls[2, 3, 4, 5])
+ a = @cls[]
+ 1000.times { a << 1 }
+ assert_equal(1000, a.length)
+ #assert_equal(@cls[1], a - @cls[2])
+ assert_equal(@cls[1] * 1000, a - @cls[2])
+ #assert_equal(@cls[1], @cls[1, 2, 1] - @cls[2])
+ assert_equal(@cls[1, 1], @cls[1, 2, 1] - @cls[2])
+ assert_equal(@cls[1, 2, 3], @cls[1, 2, 3] - @cls[4, 5, 6])
+ end
+
+ def test_LSHIFT # '<<'
+ a = @cls[]
+ a << 1
+ assert_equal(@cls[1], a)
+ a << 2 << 3
+ assert_equal(@cls[1, 2, 3], a)
+ a << nil << 'cat'
+ assert_equal(@cls[1, 2, 3, nil, 'cat'], a)
+ a << a
+ assert_equal(@cls[1, 2, 3, nil, 'cat', a], a)
+ end
+
+ def test_CMP # '<=>'
+ assert_equal(0, @cls[] <=> @cls[])
+ assert_equal(0, @cls[1] <=> @cls[1])
+ assert_equal(0, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3, 'cat'])
+ assert_equal(-1, @cls[] <=> @cls[1])
+ assert_equal(1, @cls[1] <=> @cls[])
+ assert_equal(-1, @cls[1, 2, 3] <=> @cls[1, 2, 3, 'cat'])
+ assert_equal(1, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3])
+ assert_equal(-1, @cls[1, 2, 3, 'cat'] <=> @cls[1, 2, 3, 'dog'])
+ assert_equal(1, @cls[1, 2, 3, 'dog'] <=> @cls[1, 2, 3, 'cat'])
+ end
+
+ def test_EQUAL # '=='
+ assert_operator(@cls[], :==, @cls[])
+ assert_operator(@cls[1], :==, @cls[1])
+ assert_operator(@cls[1, 1, 2, 2], :==, @cls[1, 1, 2, 2])
+ assert_operator(@cls[1.0, 1.0, 2.0, 2.0], :==, @cls[1, 1, 2, 2])
+ end
+
+ def test_VERY_EQUAL # '==='
+ assert_operator(@cls[], :===, @cls[])
+ assert_operator(@cls[1], :===, @cls[1])
+ assert_operator(@cls[1, 1, 2, 2], :===, @cls[1, 1, 2, 2])
+ assert_operator(@cls[1.0, 1.0, 2.0, 2.0], :===, @cls[1, 1, 2, 2])
+ end
+
+ def test_AREF # '[]'
+ a = @cls[*(1..100).to_a]
+
+ assert_equal(1, a[0])
+ assert_equal(100, a[99])
+ assert_nil(a[100])
+ assert_equal(100, a[-1])
+ assert_equal(99, a[-2])
+ assert_equal(1, a[-100])
+ assert_nil(a[-101])
+ assert_nil(a[-101,0])
+ assert_nil(a[-101,1])
+ assert_nil(a[-101,-1])
+ assert_nil(a[10,-1])
+
+ assert_equal(@cls[1], a[0,1])
+ assert_equal(@cls[100], a[99,1])
+ assert_equal(@cls[], a[100,1])
+ assert_equal(@cls[100], a[99,100])
+ assert_equal(@cls[100], a[-1,1])
+ assert_equal(@cls[99], a[-2,1])
+ assert_equal(@cls[], a[-100,0])
+ assert_equal(@cls[1], a[-100,1])
+
+ assert_equal(@cls[10, 11, 12], a[9, 3])
+ assert_equal(@cls[10, 11, 12], a[-91, 3])
+
+ assert_equal(@cls[1], a[0..0])
+ assert_equal(@cls[100], a[99..99])
+ assert_equal(@cls[], a[100..100])
+ assert_equal(@cls[100], a[99..200])
+ assert_equal(@cls[100], a[-1..-1])
+ assert_equal(@cls[99], a[-2..-2])
+
+ assert_equal(@cls[10, 11, 12], a[9..11])
+ assert_equal(@cls[10, 11, 12], a[-91..-89])
+
+ assert_nil(a[10, -3])
+ # Ruby 1.8 feature change:
+ # Array#[size..x] returns [] instead of nil.
+ #assert_nil(a[10..7])
+ assert_equal [], a[10..7]
+
+ assert_raise(TypeError) {a['cat']}
+ end
+
+ def test_ASET # '[]='
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[0] = 0)
+ assert_equal(@cls[0] + @cls[*(1..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[10,10] = 0)
+ assert_equal(@cls[*(0..9).to_a] + @cls[0] + @cls[*(20..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[-1] = 0)
+ assert_equal(@cls[*(0..98).to_a] + @cls[0], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[-10, 10] = 0)
+ assert_equal(@cls[*(0..89).to_a] + @cls[0], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[0,1000] = 0)
+ assert_equal(@cls[0] , a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a[10..19] = 0)
+ assert_equal(@cls[*(0..9).to_a] + @cls[0] + @cls[*(20..99).to_a], a)
+
+ b = @cls[*%w( a b c )]
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[0,1] = b)
+ assert_equal(b + @cls[*(1..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[10,10] = b)
+ assert_equal(@cls[*(0..9).to_a] + b + @cls[*(20..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[-1, 1] = b)
+ assert_equal(@cls[*(0..98).to_a] + b, a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[-10, 10] = b)
+ assert_equal(@cls[*(0..89).to_a] + b, a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[0,1000] = b)
+ assert_equal(b , a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(b, a[10..19] = b)
+ assert_equal(@cls[*(0..9).to_a] + b + @cls[*(20..99).to_a], a)
+
+ # Ruby 1.8 feature change:
+ # assigning nil does not remove elements.
+=begin
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[0,1] = nil)
+ assert_equal(@cls[*(1..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[10,10] = nil)
+ assert_equal(@cls[*(0..9).to_a] + @cls[*(20..99).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[-1, 1] = nil)
+ assert_equal(@cls[*(0..98).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[-10, 10] = nil)
+ assert_equal(@cls[*(0..89).to_a], a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[0,1000] = nil)
+ assert_equal(@cls[] , a)
+
+ a = @cls[*(0..99).to_a]
+ assert_equal(nil, a[10..19] = nil)
+ assert_equal(@cls[*(0..9).to_a] + @cls[*(20..99).to_a], a)
+=end
+
+ a = @cls[1, 2, 3]
+ a[1, 0] = a
+ assert_equal([1, 1, 2, 3, 2, 3], a)
+
+ a = @cls[1, 2, 3]
+ a[-1, 0] = a
+ assert_equal([1, 2, 1, 2, 3, 3], a)
+
+ a = @cls[]
+ a[5,0] = [5]
+ assert_equal([nil, nil, nil, nil, nil, 5], a)
+
+ a = @cls[1]
+ a[1,0] = [2]
+ assert_equal([1, 2], a)
+
+ a = @cls[1]
+ a[1,1] = [2]
+ assert_equal([1, 2], a)
+ end
+
+ def test_assoc
+ a1 = @cls[*%w( cat feline )]
+ a2 = @cls[*%w( dog canine )]
+ a3 = @cls[*%w( mule asinine )]
+
+ a = @cls[ a1, a2, a3 ]
+
+ assert_equal(a1, a.assoc('cat'))
+ assert_equal(a3, a.assoc('mule'))
+ assert_equal(nil, a.assoc('asinine'))
+ assert_equal(nil, a.assoc('wombat'))
+ assert_equal(nil, a.assoc(1..2))
+ end
+
+ def test_at
+ a = @cls[*(0..99).to_a]
+ assert_equal(0, a.at(0))
+ assert_equal(10, a.at(10))
+ assert_equal(99, a.at(99))
+ assert_equal(nil, a.at(100))
+ assert_equal(99, a.at(-1))
+ assert_equal(0, a.at(-100))
+ assert_equal(nil, a.at(-101))
+ assert_raise(TypeError) { a.at('cat') }
+ end
+
+ def test_clear
+ a = @cls[1, 2, 3]
+ b = a.clear
+ assert_equal(@cls[], a)
+ assert_equal(@cls[], b)
+ assert_equal(a.__id__, b.__id__)
+ end
+
+ def test_clone
+ for taint in [ false, true ]
+ for untrust in [ false, true ]
+ for frozen in [ false, true ]
+ a = @cls[*(0..99).to_a]
+ a.taint if taint
+ a.untrust if untrust
+ a.freeze if frozen
+ b = a.clone
+
+ assert_equal(a, b)
+ assert_not_equal(a.__id__, b.__id__)
+ assert_equal(a.frozen?, b.frozen?)
+ assert_equal(a.untrusted?, b.untrusted?)
+ assert_equal(a.tainted?, b.tainted?)
+ end
+ end
+ end
+ end
+
+ def test_collect
+ a = @cls[ 1, 'cat', 1..1 ]
+ assert_equal([ Fixnum, String, Range], a.collect {|e| e.class} )
+ assert_equal([ 99, 99, 99], a.collect { 99 } )
+
+ assert_equal([], @cls[].collect { 99 })
+
+ # Ruby 1.9 feature change:
+ # Enumerable#collect without block returns an Enumerator.
+ #assert_equal([1, 2, 3], @cls[1, 2, 3].collect)
+ assert_kind_of Enumerator, @cls[1, 2, 3].collect
+ end
+
+ # also update map!
+ def test_collect!
+ a = @cls[ 1, 'cat', 1..1 ]
+ assert_equal([ Fixnum, String, Range], a.collect! {|e| e.class} )
+ assert_equal([ Fixnum, String, Range], a)
+
+ a = @cls[ 1, 'cat', 1..1 ]
+ assert_equal([ 99, 99, 99], a.collect! { 99 } )
+ assert_equal([ 99, 99, 99], a)
+
+ a = @cls[ ]
+ assert_equal([], a.collect! { 99 })
+ assert_equal([], a)
+ end
+
+ def test_compact
+ a = @cls[ 1, nil, nil, 2, 3, nil, 4 ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact)
+
+ a = @cls[ nil, 1, nil, 2, 3, nil, 4 ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact)
+
+ a = @cls[ 1, nil, nil, 2, 3, nil, 4, nil ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact)
+
+ a = @cls[ 1, 2, 3, 4 ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact)
+ end
+
+ def test_compact!
+ a = @cls[ 1, nil, nil, 2, 3, nil, 4 ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact!)
+ assert_equal(@cls[1, 2, 3, 4], a)
+
+ a = @cls[ nil, 1, nil, 2, 3, nil, 4 ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact!)
+ assert_equal(@cls[1, 2, 3, 4], a)
+
+ a = @cls[ 1, nil, nil, 2, 3, nil, 4, nil ]
+ assert_equal(@cls[1, 2, 3, 4], a.compact!)
+ assert_equal(@cls[1, 2, 3, 4], a)
+
+ a = @cls[ 1, 2, 3, 4 ]
+ assert_equal(nil, a.compact!)
+ assert_equal(@cls[1, 2, 3, 4], a)
+ end
+
+ def test_concat
+ assert_equal(@cls[1, 2, 3, 4], @cls[1, 2].concat(@cls[3, 4]))
+ assert_equal(@cls[1, 2, 3, 4], @cls[].concat(@cls[1, 2, 3, 4]))
+ assert_equal(@cls[1, 2, 3, 4], @cls[1, 2, 3, 4].concat(@cls[]))
+ assert_equal(@cls[], @cls[].concat(@cls[]))
+ assert_equal(@cls[@cls[1, 2], @cls[3, 4]], @cls[@cls[1, 2]].concat(@cls[@cls[3, 4]]))
+
+ a = @cls[1, 2, 3]
+ a.concat(a)
+ assert_equal([1, 2, 3, 1, 2, 3], a)
+
+ assert_raise(TypeError) { [0].concat(:foo) }
+ assert_raise(RuntimeError) { [0].freeze.concat(:foo) }
+ end
+
+ def test_count
+ a = @cls[1, 2, 3, 1, 2]
+ assert_equal(5, a.count)
+ assert_equal(2, a.count(1))
+ assert_equal(3, a.count {|x| x % 2 == 1 })
+ assert_equal(2, a.count(1) {|x| x % 2 == 1 })
+ assert_raise(ArgumentError) { a.count(0, 1) }
+ end
+
+ def test_delete
+ a = @cls[*('cab'..'cat').to_a]
+ assert_equal('cap', a.delete('cap'))
+ assert_equal(@cls[*('cab'..'cao').to_a] + @cls[*('caq'..'cat').to_a], a)
+
+ a = @cls[*('cab'..'cat').to_a]
+ assert_equal('cab', a.delete('cab'))
+ assert_equal(@cls[*('cac'..'cat').to_a], a)
+
+ a = @cls[*('cab'..'cat').to_a]
+ assert_equal('cat', a.delete('cat'))
+ assert_equal(@cls[*('cab'..'cas').to_a], a)
+
+ a = @cls[*('cab'..'cat').to_a]
+ assert_equal(nil, a.delete('cup'))
+ assert_equal(@cls[*('cab'..'cat').to_a], a)
+
+ a = @cls[*('cab'..'cat').to_a]
+ assert_equal(99, a.delete('cup') { 99 } )
+ assert_equal(@cls[*('cab'..'cat').to_a], a)
+
+ o = Object.new
+ def o.==(other); true; end
+ o2 = Object.new
+ def o2.==(other); true; end
+ a = @cls[1, o, o2, 2]
+ assert_equal(o2, a.delete(42))
+ assert_equal([1, 2], a)
+ end
+
+ def test_delete_at
+ a = @cls[*(1..5).to_a]
+ assert_equal(3, a.delete_at(2))
+ assert_equal(@cls[1, 2, 4, 5], a)
+
+ a = @cls[*(1..5).to_a]
+ assert_equal(4, a.delete_at(-2))
+ assert_equal(@cls[1, 2, 3, 5], a)
+
+ a = @cls[*(1..5).to_a]
+ assert_equal(nil, a.delete_at(5))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[*(1..5).to_a]
+ assert_equal(nil, a.delete_at(-6))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+ end
+
+ # also reject!
+ def test_delete_if
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.delete_if { false })
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.delete_if { true })
+ assert_equal(@cls[], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.delete_if { |i| i > 3 })
+ assert_equal(@cls[1, 2, 3], a)
+
+ bug2545 = '[ruby-core:27366]'
+ a = @cls[ 5, 6, 7, 8, 9, 10 ]
+ assert_equal(9, a.delete_if {|i| break i if i > 8; assert_equal(a[0], i) || true if i < 7})
+ assert_equal(@cls[7, 8, 9, 10], a, bug2545)
+ end
+
+ def test_dup
+ for taint in [ false, true ]
+ for frozen in [ false, true ]
+ a = @cls[*(0..99).to_a]
+ a.taint if taint
+ a.freeze if frozen
+ b = a.dup
+
+ assert_equal(a, b)
+ assert_not_equal(a.__id__, b.__id__)
+ assert_equal(false, b.frozen?)
+ assert_equal(a.tainted?, b.tainted?)
+ end
+ end
+ end
+
+ def test_each
+ a = @cls[*%w( ant bat cat dog )]
+ i = 0
+ a.each { |e|
+ assert_equal(a[i], e)
+ i += 1
+ }
+ assert_equal(4, i)
+
+ a = @cls[]
+ i = 0
+ a.each { |e|
+ assert_equal(a[i], e)
+ i += 1
+ }
+ assert_equal(0, i)
+
+ assert_equal(a, a.each {})
+ end
+
+ def test_each_index
+ a = @cls[*%w( ant bat cat dog )]
+ i = 0
+ a.each_index { |ind|
+ assert_equal(i, ind)
+ i += 1
+ }
+ assert_equal(4, i)
+
+ a = @cls[]
+ i = 0
+ a.each_index { |ind|
+ assert_equal(i, ind)
+ i += 1
+ }
+ assert_equal(0, i)
+
+ assert_equal(a, a.each_index {})
+ end
+
+ def test_empty?
+ assert_empty(@cls[])
+ assert_not_empty(@cls[1])
+ end
+
+ def test_eql?
+ assert_send([@cls[], :eql?, @cls[]])
+ assert_send([@cls[1], :eql?, @cls[1]])
+ assert_send([@cls[1, 1, 2, 2], :eql?, @cls[1, 1, 2, 2]])
+ assert_not_send([@cls[1.0, 1.0, 2.0, 2.0], :eql?, @cls[1, 1, 2, 2]])
+ end
+
+ def test_fill
+ assert_equal(@cls[], @cls[].fill(99))
+ assert_equal(@cls[], @cls[].fill(99, 0))
+ assert_equal(@cls[99], @cls[].fill(99, 0, 1))
+ assert_equal(@cls[99], @cls[].fill(99, 0..0))
+
+ assert_equal(@cls[99], @cls[1].fill(99))
+ assert_equal(@cls[99], @cls[1].fill(99, 0))
+ assert_equal(@cls[99], @cls[1].fill(99, 0, 1))
+ assert_equal(@cls[99], @cls[1].fill(99, 0..0))
+
+ assert_equal(@cls[99, 99], @cls[1, 2].fill(99))
+ assert_equal(@cls[99, 99], @cls[1, 2].fill(99, 0))
+ assert_equal(@cls[99, 99], @cls[1, 2].fill(99, nil))
+ assert_equal(@cls[1, 99], @cls[1, 2].fill(99, 1, nil))
+ assert_equal(@cls[99, 2], @cls[1, 2].fill(99, 0, 1))
+ assert_equal(@cls[99, 2], @cls[1, 2].fill(99, 0..0))
+ end
+
+ def test_first
+ assert_equal(3, @cls[3, 4, 5].first)
+ assert_equal(nil, @cls[].first)
+ end
+
+ def test_flatten
+ a1 = @cls[ 1, 2, 3]
+ a2 = @cls[ 5, 6 ]
+ a3 = @cls[ 4, a2 ]
+ a4 = @cls[ a1, a3 ]
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a4.flatten)
+ assert_equal(@cls[ a1, a3], a4)
+
+ a5 = @cls[ a1, @cls[], a3 ]
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten)
+ assert_equal(@cls[], @cls[].flatten)
+ assert_equal(@cls[],
+ @cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)
+
+ assert_raise(TypeError, "[ruby-dev:31197]") { [[]].flatten("") }
+
+ a6 = @cls[[1, 2], 3]
+ a6.taint
+ a6.untrust
+ a7 = a6.flatten
+ assert_equal(true, a7.tainted?)
+ assert_equal(true, a7.untrusted?)
+
+ a8 = @cls[[1, 2], 3]
+ a9 = a8.flatten(0)
+ assert_equal(a8, a9)
+ assert_not_same(a8, a9)
+ end
+
+ def test_flatten!
+ a1 = @cls[ 1, 2, 3]
+ a2 = @cls[ 5, 6 ]
+ a3 = @cls[ 4, a2 ]
+ a4 = @cls[ a1, a3 ]
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a4.flatten!)
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a4)
+
+ a5 = @cls[ a1, @cls[], a3 ]
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten!)
+ assert_nil(a5.flatten!(0), '[ruby-core:23382]')
+ assert_equal(@cls[1, 2, 3, 4, 5, 6], a5)
+
+ assert_equal(@cls[], @cls[].flatten)
+ assert_equal(@cls[],
+ @cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)
+
+ assert_nil(@cls[].flatten!(0), '[ruby-core:23382]')
+ end
+
+ def test_flatten_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ o = Object.new
+ def o.to_ary() callcc {|k| @cont = k; [1,2,3]} end
+ begin
+ assert_equal([10, 20, 1, 2, 3, 30, 1, 2, 3, 40], [10, 20, o, 30, o, 40].flatten)
+ rescue => e
+ else
+ o.instance_eval {@cont}.call
+ end
+ assert_instance_of(RuntimeError, e, '[ruby-dev:34798]')
+ assert_match(/reentered/, e.message, '[ruby-dev:34798]')
+ end
+
+ def test_permutation_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = [1,2,3]
+ begin
+ ary.permutation {
+ callcc {|k| cont = k} unless cont
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e)
+ assert_match(/reentered/, e.message)
+ end
+
+ def test_product_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = [1,2,3]
+ begin
+ ary.product {
+ callcc {|k| cont = k} unless cont
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e)
+ assert_match(/reentered/, e.message)
+ end
+
+ def test_combination_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = [1,2,3]
+ begin
+ ary.combination(2) {
+ callcc {|k| cont = k} unless cont
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e)
+ assert_match(/reentered/, e.message)
+ end
+
+ def test_repeated_permutation_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = [1,2,3]
+ begin
+ ary.repeated_permutation(2) {
+ callcc {|k| cont = k} unless cont
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e)
+ assert_match(/reentered/, e.message)
+ end
+
+ def test_repeated_combination_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = [1,2,3]
+ begin
+ ary.repeated_combination(2) {
+ callcc {|k| cont = k} unless cont
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e)
+ assert_match(/reentered/, e.message)
+ end
+
+ def test_hash
+ a1 = @cls[ 'cat', 'dog' ]
+ a2 = @cls[ 'cat', 'dog' ]
+ a3 = @cls[ 'dog', 'cat' ]
+ assert_equal(a1.hash, a2.hash)
+ assert_not_equal(a1.hash, a3.hash)
+ end
+
+ def test_include?
+ a = @cls[ 'cat', 99, /a/, @cls[ 1, 2, 3] ]
+ assert_include(a, 'cat')
+ assert_include(a, 99)
+ assert_include(a, /a/)
+ assert_include(a, [1,2,3])
+ assert_not_include(a, 'ca')
+ assert_not_include(a, [1,2])
+ end
+
+ def test_index
+ a = @cls[ 'cat', 99, /a/, 99, @cls[ 1, 2, 3] ]
+ assert_equal(0, a.index('cat'))
+ assert_equal(1, a.index(99))
+ assert_equal(4, a.index([1,2,3]))
+ assert_nil(a.index('ca'))
+ assert_nil(a.index([1,2]))
+
+ assert_equal(1, a.index(99) {|x| x == 'cat' })
+ end
+
+ def test_values_at
+ a = @cls[*('a'..'j').to_a]
+ assert_equal(@cls['a', 'c', 'e'], a.values_at(0, 2, 4))
+ assert_equal(@cls['j', 'h', 'f'], a.values_at(-1, -3, -5))
+ assert_equal(@cls['h', nil, 'a'], a.values_at(-3, 99, 0))
+ end
+
+ def test_join
+ $, = ""
+ a = @cls[]
+ assert_equal("", a.join)
+ assert_equal("", a.join(','))
+ assert_equal(Encoding::US_ASCII, a.join.encoding)
+
+ $, = ""
+ a = @cls[1, 2]
+ assert_equal("12", a.join)
+ assert_equal("12", a.join(nil))
+ assert_equal("1,2", a.join(','))
+
+ $, = ""
+ a = @cls[1, 2, 3]
+ assert_equal("123", a.join)
+ assert_equal("123", a.join(nil))
+ assert_equal("1,2,3", a.join(','))
+
+ $, = ":"
+ a = @cls[1, 2, 3]
+ assert_equal("1:2:3", a.join)
+ assert_equal("1:2:3", a.join(nil))
+ assert_equal("1,2,3", a.join(','))
+
+ $, = ""
+ a = @cls[1, 2, 3]
+ a.taint
+ a.untrust
+ s = a.join
+ assert_equal(true, s.tainted?)
+ assert_equal(true, s.untrusted?)
+
+ bug5902 = '[ruby-core:42161]'
+ sep = ":".taint.untrust
+
+ s = @cls[].join(sep)
+ assert_equal(false, s.tainted?, bug5902)
+ assert_equal(false, s.untrusted?, bug5902)
+ s = @cls[1].join(sep)
+ assert_equal(false, s.tainted?, bug5902)
+ assert_equal(false, s.untrusted?, bug5902)
+ s = @cls[1, 2].join(sep)
+ assert_equal(true, s.tainted?, bug5902)
+ assert_equal(true, s.untrusted?, bug5902)
+
+ e = ''.force_encoding('EUC-JP')
+ u = ''.force_encoding('UTF-8')
+ assert_equal(Encoding::US_ASCII, [[]].join.encoding)
+ assert_equal(Encoding::US_ASCII, [1, [u]].join.encoding)
+ assert_equal(Encoding::UTF_8, [u, [e]].join.encoding)
+ assert_equal(Encoding::UTF_8, [u, [1]].join.encoding)
+ bug5379 = '[ruby-core:39776]'
+ assert_equal(Encoding::US_ASCII, [[], u, nil].join.encoding, bug5379)
+ assert_equal(Encoding::UTF_8, [[], "\u3042", nil].join.encoding, bug5379)
+ ensure
+ $, = nil
+ end
+
+ def test_last
+ assert_equal(nil, @cls[].last)
+ assert_equal(1, @cls[1].last)
+ assert_equal(99, @cls[*(3..99).to_a].last)
+ end
+
+ def test_length
+ assert_equal(0, @cls[].length)
+ assert_equal(1, @cls[1].length)
+ assert_equal(2, @cls[1, nil].length)
+ assert_equal(2, @cls[nil, 1].length)
+ assert_equal(234, @cls[*(0..233).to_a].length)
+ end
+
+ # also update collect!
+ def test_map!
+ a = @cls[ 1, 'cat', 1..1 ]
+ assert_equal(@cls[ Fixnum, String, Range], a.map! {|e| e.class} )
+ assert_equal(@cls[ Fixnum, String, Range], a)
+
+ a = @cls[ 1, 'cat', 1..1 ]
+ assert_equal(@cls[ 99, 99, 99], a.map! { 99 } )
+ assert_equal(@cls[ 99, 99, 99], a)
+
+ a = @cls[ ]
+ assert_equal(@cls[], a.map! { 99 })
+ assert_equal(@cls[], a)
+ end
+
+ def test_pack
+ a = @cls[*%w( cat wombat x yy)]
+ assert_equal("catwomx yy ", a.pack("A3A3A3A3"))
+ assert_equal("cat", a.pack("A*"))
+ assert_equal("cwx yy ", a.pack("A3@1A3@2A3A3"))
+ assert_equal("catwomx\000\000yy\000", a.pack("a3a3a3a3"))
+ assert_equal("cat", a.pack("a*"))
+ assert_equal("ca", a.pack("a2"))
+ assert_equal("cat\000\000", a.pack("a5"))
+
+ assert_equal("\x61", @cls["01100001"].pack("B8"))
+ assert_equal("\x61", @cls["01100001"].pack("B*"))
+ assert_equal("\x61", @cls["0110000100110111"].pack("B8"))
+ assert_equal("\x61\x37", @cls["0110000100110111"].pack("B16"))
+ assert_equal("\x61\x37", @cls["01100001", "00110111"].pack("B8B8"))
+ assert_equal("\x60", @cls["01100001"].pack("B4"))
+ assert_equal("\x40", @cls["01100001"].pack("B2"))
+
+ assert_equal("\x86", @cls["01100001"].pack("b8"))
+ assert_equal("\x86", @cls["01100001"].pack("b*"))
+ assert_equal("\x86", @cls["0110000100110111"].pack("b8"))
+ assert_equal("\x86\xec", @cls["0110000100110111"].pack("b16"))
+ assert_equal("\x86\xec", @cls["01100001", "00110111"].pack("b8b8"))
+ assert_equal("\x06", @cls["01100001"].pack("b4"))
+ assert_equal("\x02", @cls["01100001"].pack("b2"))
+
+ assert_equal("ABC", @cls[ 65, 66, 67 ].pack("C3"))
+ assert_equal("\377BC", @cls[ -1, 66, 67 ].pack("C*"))
+ assert_equal("ABC", @cls[ 65, 66, 67 ].pack("c3"))
+ assert_equal("\377BC", @cls[ -1, 66, 67 ].pack("c*"))
+
+
+ assert_equal("AB\n\x10", @cls["4142", "0a", "12"].pack("H4H2H1"))
+ assert_equal("AB\n\x02", @cls["1424", "a0", "21"].pack("h4h2h1"))
+
+ assert_equal("abc=02def=\ncat=\n=01=\n",
+ @cls["abc\002def", "cat", "\001"].pack("M9M3M4"))
+
+ assert_equal("aGVsbG8K\n", @cls["hello\n"].pack("m"))
+ assert_equal(",:&5L;&\\*:&5L;&\\*\n", @cls["hello\nhello\n"].pack("u"))
+
+ assert_equal("\u{a9 42 2260}", @cls[0xa9, 0x42, 0x2260].pack("U*"))
+
+
+ format = "c2x5CCxsdils_l_a6";
+ # Need the expression in here to force ary[5] to be numeric. This avoids
+ # test2 failing because ary2 goes str->numeric->str and ary does not.
+ ary = [1, -100, 127, 128, 32767, 987.654321098/100.0,
+ 12345, 123456, -32767, -123456, "abcdef"]
+ x = ary.pack(format)
+ ary2 = x.unpack(format)
+
+ assert_equal(ary.length, ary2.length)
+ assert_equal(ary.join(':'), ary2.join(':'))
+ assert_not_nil(x =~ /def/)
+
+=begin
+ skipping "Not tested:
+ D,d & double-precision float, native format\\
+ E & double-precision float, little-endian byte order\\
+ e & single-precision float, little-endian byte order\\
+ F,f & single-precision float, native format\\
+ G & double-precision float, network (big-endian) byte order\\
+ g & single-precision float, network (big-endian) byte order\\
+ I & unsigned integer\\
+ i & integer\\
+ L & unsigned long\\
+ l & long\\
+
+ N & long, network (big-endian) byte order\\
+ n & short, network (big-endian) byte-order\\
+ P & pointer to a structure (fixed-length string)\\
+ p & pointer to a null-terminated string\\
+ S & unsigned short\\
+ s & short\\
+ V & long, little-endian byte order\\
+ v & short, little-endian byte order\\
+ X & back up a byte\\
+ x & null byte\\
+ Z & ASCII string (null padded, count is width)\\
+"
+=end
+ end
+
+ def test_pop
+ a = @cls[ 'cat', 'dog' ]
+ assert_equal('dog', a.pop)
+ assert_equal(@cls['cat'], a)
+ assert_equal('cat', a.pop)
+ assert_equal(@cls[], a)
+ assert_nil(a.pop)
+ assert_equal(@cls[], a)
+ end
+
+ def test_push
+ a = @cls[1, 2, 3]
+ assert_equal(@cls[1, 2, 3, 4, 5], a.push(4, 5))
+ assert_equal(@cls[1, 2, 3, 4, 5, nil], a.push(nil))
+ # Ruby 1.8 feature:
+ # Array#push accepts any number of arguments.
+ #assert_raise(ArgumentError, "a.push()") { a.push() }
+ a.push
+ assert_equal @cls[1, 2, 3, 4, 5, nil], a
+ a.push 6, 7
+ assert_equal @cls[1, 2, 3, 4, 5, nil, 6, 7], a
+ end
+
+ def test_rassoc
+ a1 = @cls[*%w( cat feline )]
+ a2 = @cls[*%w( dog canine )]
+ a3 = @cls[*%w( mule asinine )]
+ a = @cls[ a1, a2, a3 ]
+
+ assert_equal(a1, a.rassoc('feline'))
+ assert_equal(a3, a.rassoc('asinine'))
+ assert_equal(nil, a.rassoc('dog'))
+ assert_equal(nil, a.rassoc('mule'))
+ assert_equal(nil, a.rassoc(1..2))
+ end
+
+ # also delete_if
+ def test_reject!
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(nil, a.reject! { false })
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.reject! { true })
+ assert_equal(@cls[], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.reject! { |i| i > 3 })
+ assert_equal(@cls[1, 2, 3], a)
+
+ bug2545 = '[ruby-core:27366]'
+ a = @cls[ 5, 6, 7, 8, 9, 10 ]
+ assert_equal(9, a.reject! {|i| break i if i > 8; assert_equal(a[0], i) || true if i < 7})
+ assert_equal(@cls[7, 8, 9, 10], a, bug2545)
+ end
+
+ def test_replace
+ a = @cls[ 1, 2, 3]
+ a_id = a.__id__
+ assert_equal(@cls[4, 5, 6], a.replace(@cls[4, 5, 6]))
+ assert_equal(@cls[4, 5, 6], a)
+ assert_equal(a_id, a.__id__)
+ assert_equal(@cls[], a.replace(@cls[]))
+
+ fa = a.dup.freeze
+ assert_nothing_raised(RuntimeError) { a.replace(a) }
+ assert_raise(RuntimeError) { fa.replace(fa) }
+ assert_raise(ArgumentError) { fa.replace() }
+ assert_raise(TypeError) { a.replace(42) }
+ assert_raise(RuntimeError) { fa.replace(42) }
+ end
+
+ def test_reverse
+ a = @cls[*%w( dog cat bee ant )]
+ assert_equal(@cls[*%w(ant bee cat dog)], a.reverse)
+ assert_equal(@cls[*%w(dog cat bee ant)], a)
+ assert_equal(@cls[], @cls[].reverse)
+ end
+
+ def test_reverse!
+ a = @cls[*%w( dog cat bee ant )]
+ assert_equal(@cls[*%w(ant bee cat dog)], a.reverse!)
+ assert_equal(@cls[*%w(ant bee cat dog)], a)
+ # Ruby 1.8 feature change:
+ # Array#reverse always returns self.
+ #assert_nil(@cls[].reverse!)
+ assert_equal @cls[], @cls[].reverse!
+ end
+
+ def test_reverse_each
+ a = @cls[*%w( dog cat bee ant )]
+ i = a.length
+ a.reverse_each { |e|
+ i -= 1
+ assert_equal(a[i], e)
+ }
+ assert_equal(0, i)
+
+ a = @cls[]
+ i = 0
+ a.reverse_each { |e|
+ assert(false, "Never get here")
+ }
+ assert_equal(0, i)
+ end
+
+ def test_rindex
+ a = @cls[ 'cat', 99, /a/, 99, [ 1, 2, 3] ]
+ assert_equal(0, a.rindex('cat'))
+ assert_equal(3, a.rindex(99))
+ assert_equal(4, a.rindex([1,2,3]))
+ assert_nil(a.rindex('ca'))
+ assert_nil(a.rindex([1,2]))
+
+ assert_equal(3, a.rindex(99) {|x| x == [1,2,3] })
+ end
+
+ def test_shift
+ a = @cls[ 'cat', 'dog' ]
+ assert_equal('cat', a.shift)
+ assert_equal(@cls['dog'], a)
+ assert_equal('dog', a.shift)
+ assert_equal(@cls[], a)
+ assert_nil(a.shift)
+ assert_equal(@cls[], a)
+ end
+
+ def test_size
+ assert_equal(0, @cls[].size)
+ assert_equal(1, @cls[1].size)
+ assert_equal(100, @cls[*(0..99).to_a].size)
+ end
+
+ def test_slice
+ a = @cls[*(1..100).to_a]
+
+ assert_equal(1, a.slice(0))
+ assert_equal(100, a.slice(99))
+ assert_nil(a.slice(100))
+ assert_equal(100, a.slice(-1))
+ assert_equal(99, a.slice(-2))
+ assert_equal(1, a.slice(-100))
+ assert_nil(a.slice(-101))
+
+ assert_equal(@cls[1], a.slice(0,1))
+ assert_equal(@cls[100], a.slice(99,1))
+ assert_equal(@cls[], a.slice(100,1))
+ assert_equal(@cls[100], a.slice(99,100))
+ assert_equal(@cls[100], a.slice(-1,1))
+ assert_equal(@cls[99], a.slice(-2,1))
+
+ assert_equal(@cls[10, 11, 12], a.slice(9, 3))
+ assert_equal(@cls[10, 11, 12], a.slice(-91, 3))
+
+ assert_nil(a.slice(-101, 2))
+
+ assert_equal(@cls[1], a.slice(0..0))
+ assert_equal(@cls[100], a.slice(99..99))
+ assert_equal(@cls[], a.slice(100..100))
+ assert_equal(@cls[100], a.slice(99..200))
+ assert_equal(@cls[100], a.slice(-1..-1))
+ assert_equal(@cls[99], a.slice(-2..-2))
+
+ assert_equal(@cls[10, 11, 12], a.slice(9..11))
+ assert_equal(@cls[10, 11, 12], a.slice(-91..-89))
+
+ assert_nil(a.slice(-101..-1))
+
+ assert_nil(a.slice(10, -3))
+ # Ruby 1.8 feature change:
+ # Array#slice[size..x] always returns [].
+ #assert_nil(a.slice(10..7))
+ assert_equal @cls[], a.slice(10..7)
+ end
+
+ def test_slice!
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(3, a.slice!(2))
+ assert_equal(@cls[1, 2, 4, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(4, a.slice!(-2))
+ assert_equal(@cls[1, 2, 3, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(@cls[3,4], a.slice!(2,2))
+ assert_equal(@cls[1, 2, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(@cls[4,5], a.slice!(-2,2))
+ assert_equal(@cls[1, 2, 3], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(@cls[3,4], a.slice!(2..3))
+ assert_equal(@cls[1, 2, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(nil, a.slice!(20))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(nil, a.slice!(-6))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(nil, a.slice!(-6..4))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[1, 2, 3, 4, 5]
+ assert_equal(nil, a.slice!(-6,2))
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ assert_raise(ArgumentError) { @cls[1].slice! }
+ assert_raise(ArgumentError) { @cls[1].slice!(0, 0, 0) }
+ end
+
+ def test_sort
+ a = @cls[ 4, 1, 2, 3 ]
+ assert_equal(@cls[1, 2, 3, 4], a.sort)
+ assert_equal(@cls[4, 1, 2, 3], a)
+
+ assert_equal(@cls[4, 3, 2, 1], a.sort { |x, y| y <=> x} )
+ assert_equal(@cls[4, 1, 2, 3], a)
+
+ assert_equal(@cls[1, 2, 3, 4], a.sort { |x, y| (x - y) * (2**100) })
+
+ a.fill(1)
+ assert_equal(@cls[1, 1, 1, 1], a.sort)
+
+ assert_equal(@cls[], @cls[].sort)
+ end
+
+ def test_sort!
+ a = @cls[ 4, 1, 2, 3 ]
+ assert_equal(@cls[1, 2, 3, 4], a.sort!)
+ assert_equal(@cls[1, 2, 3, 4], a)
+
+ assert_equal(@cls[4, 3, 2, 1], a.sort! { |x, y| y <=> x} )
+ assert_equal(@cls[4, 3, 2, 1], a)
+
+ a.fill(1)
+ assert_equal(@cls[1, 1, 1, 1], a.sort!)
+
+ assert_equal(@cls[1], @cls[1].sort!)
+ assert_equal(@cls[], @cls[].sort!)
+
+ a = @cls[4, 3, 2, 1]
+ a.sort! {|m, n| a.replace([9, 8, 7, 6]); m <=> n }
+ assert_equal([1, 2, 3, 4], a)
+
+ a = @cls[4, 3, 2, 1]
+ a.sort! {|m, n| a.replace([9, 8, 7]); m <=> n }
+ assert_equal([1, 2, 3, 4], a)
+ end
+
+ def test_sort_with_callcc
+ respond_to?(:callcc, true) or require 'continuation'
+ n = 1000
+ cont = nil
+ ary = (1..100).to_a
+ begin
+ ary.sort! {|a,b|
+ callcc {|k| cont = k} unless cont
+ assert_equal(100, ary.size, '[ruby-core:16679]')
+ a <=> b
+ }
+ rescue => e
+ end
+ n -= 1
+ cont.call if 0 < n
+ assert_instance_of(RuntimeError, e, '[ruby-core:16679]')
+ assert_match(/reentered/, e.message, '[ruby-core:16679]')
+ end
+
+ def test_sort_with_replace
+ xary = (1..100).to_a
+ 100.times do
+ ary = (1..100).to_a
+ ary.sort! {|a,b| ary.replace(xary); a <=> b}
+ GC.start
+ assert_equal(xary, ary, '[ruby-dev:34732]')
+ end
+ end
+
+ def test_to_a
+ a = @cls[ 1, 2, 3 ]
+ a_id = a.__id__
+ assert_equal(a, a.to_a)
+ assert_equal(a_id, a.to_a.__id__)
+ end
+
+ def test_to_ary
+ a = [ 1, 2, 3 ]
+ b = @cls[*a]
+
+ a_id = a.__id__
+ assert_equal(a, b.to_ary)
+ if (@cls == Array)
+ assert_equal(a_id, a.to_ary.__id__)
+ end
+
+ o = Object.new
+ def o.to_ary
+ [4, 5]
+ end
+ assert_equal([1, 2, 3, 4, 5], a.concat(o))
+
+ o = Object.new
+ def o.to_ary
+ foo_bar()
+ end
+ assert_match(/foo_bar/, assert_raise(NoMethodError) {a.concat(o)}.message)
+ end
+
+ def test_to_s
+ $, = ""
+ a = @cls[]
+ assert_equal("[]", a.to_s)
+
+ $, = ""
+ a = @cls[1, 2]
+ assert_equal("[1, 2]", a.to_s)
+
+ $, = ""
+ a = @cls[1, 2, 3]
+ assert_equal("[1, 2, 3]", a.to_s)
+
+ $, = ":"
+ a = @cls[1, 2, 3]
+ assert_equal("[1, 2, 3]", a.to_s)
+ ensure
+ $, = nil
+ end
+
+ def test_uniq
+ a = []
+ b = a.uniq
+ assert_equal([], a)
+ assert_equal([], b)
+ assert_not_same(a, b)
+
+ a = [1]
+ b = a.uniq
+ assert_equal([1], a)
+ assert_equal([1], b)
+ assert_not_same(a, b)
+
+ a = [1,1]
+ b = a.uniq
+ assert_equal([1,1], a)
+ assert_equal([1], b)
+ assert_not_same(a, b)
+
+ a = [1,2]
+ b = a.uniq
+ assert_equal([1,2], a)
+ assert_equal([1,2], b)
+ assert_not_same(a, b)
+
+ a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ]
+ b = a.dup
+ assert_equal(@cls[1, 2, 3, 4, nil], a.uniq)
+ assert_equal(b, a)
+
+ c = @cls["a:def", "a:xyz", "b:abc", "b:xyz", "c:jkl"]
+ d = c.dup
+ assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c.uniq {|s| s[/^\w+/]})
+ assert_equal(d, c)
+
+ assert_equal(@cls[1, 2, 3], @cls[1, 2, 3].uniq)
+ end
+
+ def test_uniq_with_block
+ a = []
+ b = a.uniq {|v| v.even? }
+ assert_equal([], a)
+ assert_equal([], b)
+ assert_not_same(a, b)
+
+ a = [1]
+ b = a.uniq {|v| v.even? }
+ assert_equal([1], a)
+ assert_equal([1], b)
+ assert_not_same(a, b)
+
+ a = [1,3]
+ b = a.uniq {|v| v.even? }
+ assert_equal([1,3], a)
+ assert_equal([1], b)
+ assert_not_same(a, b)
+ end
+
+ def test_uniq!
+ a = []
+ b = a.uniq!
+ assert_equal(nil, b)
+
+ a = [1]
+ b = a.uniq!
+ assert_equal(nil, b)
+
+ a = [1,1]
+ b = a.uniq!
+ assert_equal([1], a)
+ assert_equal([1], b)
+ assert_same(a, b)
+
+ a = [1,2]
+ b = a.uniq!
+ assert_equal([1,2], a)
+ assert_equal(nil, b)
+
+ a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ]
+ assert_equal(@cls[1, 2, 3, 4, nil], a.uniq!)
+ assert_equal(@cls[1, 2, 3, 4, nil], a)
+
+ c = @cls["a:def", "a:xyz", "b:abc", "b:xyz", "c:jkl"]
+ assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c.uniq! {|s| s[/^\w+/]})
+ assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c)
+
+ c = @cls["a:def", "b:abc", "c:jkl"]
+ assert_equal(nil, c.uniq! {|s| s[/^\w+/]})
+ assert_equal(@cls[ "a:def", "b:abc", "c:jkl" ], c)
+
+ assert_nil(@cls[1, 2, 3].uniq!)
+
+ f = a.dup.freeze
+ assert_raise(ArgumentError) { a.uniq!(1) }
+ assert_raise(ArgumentError) { f.uniq!(1) }
+ assert_raise(RuntimeError) { f.uniq! }
+
+ assert_nothing_raised do
+ a = [ {c: "b"}, {c: "r"}, {c: "w"}, {c: "g"}, {c: "g"} ]
+ a.sort_by!{|e| e[:c]}
+ a.uniq! {|e| e[:c]}
+ end
+ end
+
+ def test_uniq_bang_with_block
+ a = []
+ b = a.uniq! {|v| v.even? }
+ assert_equal(nil, b)
+
+ a = [1]
+ b = a.uniq! {|v| v.even? }
+ assert_equal(nil, b)
+
+ a = [1,3]
+ b = a.uniq! {|v| v.even? }
+ assert_equal([1], a)
+ assert_equal([1], b)
+ assert_same(a, b)
+
+ a = [1,2]
+ b = a.uniq! {|v| v.even? }
+ assert_equal([1,2], a)
+ assert_equal(nil, b)
+ end
+
+ def test_unshift
+ a = @cls[]
+ assert_equal(@cls['cat'], a.unshift('cat'))
+ assert_equal(@cls['dog', 'cat'], a.unshift('dog'))
+ assert_equal(@cls[nil, 'dog', 'cat'], a.unshift(nil))
+ assert_equal(@cls[@cls[1,2], nil, 'dog', 'cat'], a.unshift(@cls[1, 2]))
+ end
+
+ def test_OR # '|'
+ assert_equal(@cls[], @cls[] | @cls[])
+ assert_equal(@cls[1], @cls[1] | @cls[])
+ assert_equal(@cls[1], @cls[] | @cls[1])
+ assert_equal(@cls[1], @cls[1] | @cls[1])
+
+ assert_equal(@cls[1,2], @cls[1] | @cls[2])
+ assert_equal(@cls[1,2], @cls[1, 1] | @cls[2, 2])
+ assert_equal(@cls[1,2], @cls[1, 2] | @cls[1, 2])
+ end
+
+ def test_combination
+ assert_equal(@cls[[]], @cls[1,2,3,4].combination(0).to_a)
+ assert_equal(@cls[[1],[2],[3],[4]], @cls[1,2,3,4].combination(1).to_a)
+ assert_equal(@cls[[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], @cls[1,2,3,4].combination(2).to_a)
+ assert_equal(@cls[[1,2,3],[1,2,4],[1,3,4],[2,3,4]], @cls[1,2,3,4].combination(3).to_a)
+ assert_equal(@cls[[1,2,3,4]], @cls[1,2,3,4].combination(4).to_a)
+ assert_equal(@cls[], @cls[1,2,3,4].combination(5).to_a)
+ end
+
+ def test_product
+ assert_equal(@cls[[1,4],[1,5],[2,4],[2,5],[3,4],[3,5]],
+ @cls[1,2,3].product([4,5]))
+ assert_equal(@cls[[1,1],[1,2],[2,1],[2,2]], @cls[1,2].product([1,2]))
+
+ assert_equal(@cls[[1,3,5],[1,3,6],[1,4,5],[1,4,6],
+ [2,3,5],[2,3,6],[2,4,5],[2,4,6]],
+ @cls[1,2].product([3,4],[5,6]))
+ assert_equal(@cls[[1],[2]], @cls[1,2].product)
+ assert_equal(@cls[], @cls[1,2].product([]))
+
+ bug3394 = '[ruby-dev:41540]'
+ acc = []
+ EnvUtil.under_gc_stress {[1,2].product([3,4,5],[6,8]){|array| acc << array}}
+ assert_equal([[1, 3, 6], [1, 3, 8], [1, 4, 6], [1, 4, 8], [1, 5, 6], [1, 5, 8],
+ [2, 3, 6], [2, 3, 8], [2, 4, 6], [2, 4, 8], [2, 5, 6], [2, 5, 8]],
+ acc, bug3394)
+
+ def (o = Object.new).to_ary; GC.start; [3,4] end
+ acc = [1,2].product(*[o]*10)
+ assert_equal([1,2].product([3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4]),
+ acc)
+
+ a = []
+ [1, 2].product([0, 1, 2, 3, 4][1, 4]) {|x| a << x }
+ assert(a.all?{|x| !x.include?(0) })
+ end
+
+ def test_permutation
+ a = @cls[1,2,3]
+ assert_equal(@cls[[]], a.permutation(0).to_a)
+ assert_equal(@cls[[1],[2],[3]], a.permutation(1).to_a.sort)
+ assert_equal(@cls[[1,2],[1,3],[2,1],[2,3],[3,1],[3,2]],
+ a.permutation(2).to_a.sort)
+ assert_equal(@cls[[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]],
+ a.permutation(3).sort.to_a)
+ assert_equal(@cls[], a.permutation(4).to_a)
+ assert_equal(@cls[], a.permutation(-1).to_a)
+ assert_equal("abcde".each_char.to_a.permutation(5).sort,
+ "edcba".each_char.to_a.permutation(5).sort)
+ assert_equal(@cls[].permutation(0).to_a, @cls[[]])
+
+ a = @cls[1, 2, 3, 4]
+ b = @cls[]
+ a.permutation {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
+ assert_equal(@cls[9, 8, 7, 6], a)
+ assert_equal(@cls[1, 2, 3, 4].permutation.to_a, b)
+
+ bug3708 = '[ruby-dev:42067]'
+ assert_equal(b, @cls[0, 1, 2, 3, 4][1, 4].permutation.to_a, bug3708)
+ end
+
+ def test_repeated_permutation
+ a = @cls[1,2]
+ assert_equal(@cls[[]], a.repeated_permutation(0).to_a)
+ assert_equal(@cls[[1],[2]], a.repeated_permutation(1).to_a.sort)
+ assert_equal(@cls[[1,1],[1,2],[2,1],[2,2]],
+ a.repeated_permutation(2).to_a.sort)
+ assert_equal(@cls[[1,1,1],[1,1,2],[1,2,1],[1,2,2],
+ [2,1,1],[2,1,2],[2,2,1],[2,2,2]],
+ a.repeated_permutation(3).to_a.sort)
+ assert_equal(@cls[], a.repeated_permutation(-1).to_a)
+ assert_equal("abcde".each_char.to_a.repeated_permutation(5).sort,
+ "edcba".each_char.to_a.repeated_permutation(5).sort)
+ assert_equal(@cls[].repeated_permutation(0).to_a, @cls[[]])
+ assert_equal(@cls[].repeated_permutation(1).to_a, @cls[])
+
+ a = @cls[1, 2, 3, 4]
+ b = @cls[]
+ a.repeated_permutation(4) {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
+ assert_equal(@cls[9, 8, 7, 6], a)
+ assert_equal(@cls[1, 2, 3, 4].repeated_permutation(4).to_a, b)
+
+ a = @cls[0, 1, 2, 3, 4][1, 4].repeated_permutation(2)
+ assert(a.all?{|x| !x.include?(0) })
+ end
+
+ def test_repeated_combination
+ a = @cls[1,2,3]
+ assert_equal(@cls[[]], a.repeated_combination(0).to_a)
+ assert_equal(@cls[[1],[2],[3]], a.repeated_combination(1).to_a.sort)
+ assert_equal(@cls[[1,1],[1,2],[1,3],[2,2],[2,3],[3,3]],
+ a.repeated_combination(2).to_a.sort)
+ assert_equal(@cls[[1,1,1],[1,1,2],[1,1,3],[1,2,2],[1,2,3],
+ [1,3,3],[2,2,2],[2,2,3],[2,3,3],[3,3,3]],
+ a.repeated_combination(3).to_a.sort)
+ assert_equal(@cls[[1,1,1,1],[1,1,1,2],[1,1,1,3],[1,1,2,2],[1,1,2,3],
+ [1,1,3,3],[1,2,2,2],[1,2,2,3],[1,2,3,3],[1,3,3,3],
+ [2,2,2,2],[2,2,2,3],[2,2,3,3],[2,3,3,3],[3,3,3,3]],
+ a.repeated_combination(4).to_a.sort)
+ assert_equal(@cls[], a.repeated_combination(-1).to_a)
+ assert_equal("abcde".each_char.to_a.repeated_combination(5).map{|a|a.sort}.sort,
+ "edcba".each_char.to_a.repeated_combination(5).map{|a|a.sort}.sort)
+ assert_equal(@cls[].repeated_combination(0).to_a, @cls[[]])
+ assert_equal(@cls[].repeated_combination(1).to_a, @cls[])
+
+ a = @cls[1, 2, 3, 4]
+ b = @cls[]
+ a.repeated_combination(4) {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
+ assert_equal(@cls[9, 8, 7, 6], a)
+ assert_equal(@cls[1, 2, 3, 4].repeated_combination(4).to_a, b)
+
+ a = @cls[0, 1, 2, 3, 4][1, 4].repeated_combination(2)
+ assert(a.all?{|x| !x.include?(0) })
+ end
+
+ def test_take
+ assert_equal([1,2,3], [1,2,3,4,5,0].take(3))
+ assert_raise(ArgumentError, '[ruby-dev:34123]') { [1,2].take(-1) }
+ assert_equal([1,2], [1,2].take(1000000000), '[ruby-dev:34123]')
+ end
+
+ def test_take_while
+ assert_equal([1,2], [1,2,3,4,5,0].take_while {|i| i < 3 })
+ end
+
+ def test_drop
+ assert_equal([4,5,0], [1,2,3,4,5,0].drop(3))
+ assert_raise(ArgumentError, '[ruby-dev:34123]') { [1,2].drop(-1) }
+ assert_equal([], [1,2].drop(1000000000), '[ruby-dev:34123]')
+ end
+
+ def test_drop_while
+ assert_equal([3,4,5,0], [1,2,3,4,5,0].drop_while {|i| i < 3 })
+ end
+
+ def test_modify_check
+ a = []
+ a.freeze
+ assert_raise(RuntimeError) { a.shift }
+ a = [1, 2]
+ assert_raise(SecurityError) do
+ Thread.new do
+ $SAFE = 4
+ a.shift
+ end.value
+ end
+ end
+
+ LONGP = [127, 63, 31, 15, 7].map {|x| 2**x-1 }.find do |x|
+ begin
+ [].first(x)
+ rescue ArgumentError
+ true
+ rescue RangeError
+ false
+ end
+ end
+
+ def test_ary_new
+ assert_raise(ArgumentError) { [].to_enum.first(-1) }
+ assert_raise(ArgumentError) { [].to_enum.first(LONGP) }
+ end
+
+ def test_try_convert
+ assert_equal([1], Array.try_convert([1]))
+ assert_equal(nil, Array.try_convert("1"))
+ end
+
+ def test_initialize
+ assert_nothing_raised { [].instance_eval { initialize } }
+ assert_nothing_raised { Array.new { } }
+ assert_equal([1, 2, 3], Array.new([1, 2, 3]))
+ assert_raise(ArgumentError) { Array.new(-1, 1) }
+ assert_raise(ArgumentError) { Array.new(LONGP, 1) }
+ assert_equal([1, 1, 1], Array.new(3, 1))
+ assert_equal([1, 1, 1], Array.new(3) { 1 })
+ assert_equal([1, 1, 1], Array.new(3, 1) { 1 })
+ end
+
+ def test_aset_error
+ assert_raise(IndexError) { [0][-2] = 1 }
+ assert_raise(IndexError) { [0][LONGP] = 2 }
+ assert_raise(IndexError) { [0][(LONGP + 1) / 2 - 1] = 2 }
+ assert_raise(IndexError) { [0][LONGP..-1] = 2 }
+ a = [0]
+ a[2] = 4
+ assert_equal([0, nil, 4], a)
+ assert_raise(ArgumentError) { [0][0, 0, 0] = 0 }
+ assert_raise(ArgumentError) { [0].freeze[0, 0, 0] = 0 }
+ assert_raise(TypeError) { [0][:foo] = 0 }
+ assert_raise(RuntimeError) { [0].freeze[:foo] = 0 }
+ end
+
+ def test_first2
+ assert_equal([0], [0].first(2))
+ assert_raise(ArgumentError) { [0].first(-1) }
+ end
+
+ def test_shift2
+ assert_equal(0, ([0] * 16).shift)
+ # check
+ a = [0, 1, 2]
+ a[3] = 3
+ a.shift(2)
+ assert_equal([2, 3], a)
+ end
+
+ def test_unshift_error
+ assert_raise(RuntimeError) { [].freeze.unshift('cat') }
+ assert_raise(RuntimeError) { [].freeze.unshift() }
+ end
+
+ def test_aref
+ assert_raise(ArgumentError) { [][0, 0, 0] }
+ end
+
+ def test_fetch
+ assert_equal(1, [].fetch(0, 0) { 1 })
+ assert_equal(1, [0, 1].fetch(-1))
+ assert_raise(IndexError) { [0, 1].fetch(2) }
+ assert_raise(IndexError) { [0, 1].fetch(-3) }
+ assert_equal(2, [0, 1].fetch(2, 2))
+ end
+
+ def test_index2
+ a = [0, 1, 2]
+ assert_equal(a, a.index.to_a)
+ assert_equal(1, a.index {|x| x == 1 })
+ end
+
+ def test_rindex2
+ a = [0, 1, 2]
+ assert_equal([2, 1, 0], a.rindex.to_a)
+ assert_equal(1, a.rindex {|x| x == 1 })
+
+ a = [0, 1]
+ e = a.rindex
+ assert_equal(1, e.next)
+ a.clear
+ assert_raise(StopIteration) { e.next }
+
+ o = Object.new
+ class << o; self; end.class_eval do
+ define_method(:==) {|x| a.clear; false }
+ end
+ a = [nil, o]
+ assert_equal(nil, a.rindex(0))
+ end
+
+ def test_ary_to_ary
+ o = Object.new
+ def o.to_ary; [1, 2, 3]; end
+ a, b, c = o
+ assert_equal([1, 2, 3], [a, b, c])
+ end
+
+ def test_splice
+ a = [0]
+ assert_raise(IndexError) { a[-2, 0] = nil }
+ end
+
+ def test_insert
+ a = [0]
+ assert_equal([0], a.insert(1))
+ assert_equal([0, 1], a.insert(1, 1))
+ assert_raise(ArgumentError) { a.insert }
+ assert_equal([0, 1, 2], a.insert(-1, 2))
+ assert_equal([0, 1, 3, 2], a.insert(-2, 3))
+ assert_raise(RuntimeError) { [0].freeze.insert(0)}
+ assert_raise(ArgumentError) { [0].freeze.insert }
+ end
+
+ def test_join2
+ a = []
+ a << a
+ assert_raise(ArgumentError){a.join}
+
+ def (a = Object.new).to_ary
+ [self]
+ end
+ assert_raise(ArgumentError, '[ruby-core:24150]'){[a].join}
+ assert_equal("12345", [1,[2,[3,4],5]].join)
+ end
+
+ def test_to_a2
+ klass = Class.new(Array)
+ a = klass.new.to_a
+ assert_equal([], a)
+ assert_equal(Array, a.class)
+ end
+
+ def test_values_at2
+ a = [0, 1, 2, 3, 4, 5]
+ assert_equal([1, 2, 3], a.values_at(1..3))
+ assert_equal([nil, nil], a.values_at(7..8))
+ bug6203 = '[ruby-core:43678]'
+ assert_equal([4, 5, nil, nil], a.values_at(4..7), bug6203)
+ assert_equal([nil], a.values_at(2**31-1))
+ end
+
+ def test_select
+ assert_equal([0, 2], [0, 1, 2, 3].select {|x| x % 2 == 0 })
+ end
+
+ # also keep_if
+ def test_select!
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(nil, a.select! { true })
+ assert_equal(a, a.keep_if { true })
+ assert_equal(@cls[1, 2, 3, 4, 5], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.select! { false })
+ assert_equal(@cls[], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.select! { |i| i > 3 })
+ assert_equal(@cls[4, 5], a)
+ end
+
+ def test_delete2
+ a = [0] * 1024 + [1] + [0] * 1024
+ a.delete(0)
+ assert_equal([1], a)
+ end
+
+ def test_reject
+ assert_equal([1, 3], [0, 1, 2, 3].reject {|x| x % 2 == 0 })
+ end
+
+ def test_zip
+ assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]],
+ [1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"]))
+ a = []
+ [1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"]) {|x| a << x }
+ assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]], a)
+
+ ary = Object.new
+ def ary.to_a; [1, 2]; end
+ assert_raise(TypeError, NoMethodError) {%w(a b).zip(ary)}
+ def ary.each; [3, 4].each{|e|yield e}; end
+ assert_equal([['a', 3], ['b', 4]], %w(a b).zip(ary))
+ def ary.to_ary; [5, 6]; end
+ assert_equal([['a', 5], ['b', 6]], %w(a b).zip(ary))
+ end
+
+ def test_transpose
+ assert_equal([[1, :a], [2, :b], [3, :c]],
+ [[1, 2, 3], [:a, :b, :c]].transpose)
+ assert_raise(IndexError) { [[1, 2, 3], [:a, :b]].transpose }
+ end
+
+ def test_clear2
+ assert_equal([], ([0] * 1024).clear)
+ end
+
+ def test_fill2
+ assert_raise(ArgumentError) { [].fill(0, 1, LONGP) }
+ end
+
+ def test_times
+ assert_raise(ArgumentError) { [0, 0, 0, 0] * ((LONGP + 1) / 4) }
+ end
+
+ def test_equal
+ o = Object.new
+ def o.to_ary; end
+ def o.==(x); :foo; end
+ assert_equal([0, 1, 2], o)
+ assert_not_equal([0, 1, 2], [0, 1, 3])
+ end
+
+ A = Array.new(3, &:to_s)
+ B = A.dup
+
+ def test_equal_resize
+ o = Object.new
+ def o.==(o)
+ A.clear
+ B.clear
+ true
+ end
+ A[1] = o
+ assert_equal(A, B)
+ end
+
+ def test_hash2
+ a = []
+ a << a
+ assert_equal([[a]].hash, a.hash)
+ assert_not_equal([a, a].hash, a.hash) # Implementation dependent
+ end
+
+ def test_flatten_error
+ a = []
+ a << a
+ assert_raise(ArgumentError) { a.flatten }
+
+ f = [].freeze
+ assert_raise(ArgumentError) { a.flatten!(1, 2) }
+ assert_raise(TypeError) { a.flatten!(:foo) }
+ assert_raise(ArgumentError) { f.flatten!(1, 2) }
+ assert_raise(RuntimeError) { f.flatten! }
+ assert_raise(RuntimeError) { f.flatten!(:foo) }
+ end
+
+ def test_shuffle
+ 100.times do
+ assert_equal([0, 1, 2], [2, 1, 0].shuffle.sort)
+ end
+
+ gen = Random.new(0)
+ assert_raise(ArgumentError) {[1, 2, 3].shuffle(1, random: gen)}
+ srand(0)
+ 100.times do
+ assert_equal([0, 1, 2].shuffle, [0, 1, 2].shuffle(random: gen))
+ end
+ end
+
+ def test_shuffle_random
+ gen = proc do
+ 10000000
+ end
+ class << gen
+ alias rand call
+ end
+ assert_raise(RangeError) {
+ [*0..2].shuffle(random: gen)
+ }
+
+ ary = (0...10000).to_a
+ gen = proc do
+ ary.replace([])
+ 0.5
+ end
+ class << gen
+ alias rand call
+ end
+ assert_raise(RuntimeError) {ary.shuffle!(random: gen)}
+ end
+
+ def test_sample
+ 100.times do
+ assert_include([0, 1, 2], [2, 1, 0].sample)
+ samples = [2, 1, 0].sample(2)
+ samples.each{|sample|
+ assert_include([0, 1, 2], sample)
+ }
+ end
+
+ srand(0)
+ a = (1..18).to_a
+ (0..20).each do |n|
+ 100.times do
+ b = a.sample(n)
+ assert_equal([n, 18].min, b.size)
+ assert_equal(a, (a | b).sort)
+ assert_equal(b.sort, (a & b).sort)
+ end
+
+ h = Hash.new(0)
+ 1000.times do
+ a.sample(n).each {|x| h[x] += 1 }
+ end
+ assert_operator(h.values.min * 2, :>=, h.values.max) if n != 0
+ end
+
+ assert_raise(ArgumentError, '[ruby-core:23374]') {[1, 2].sample(-1)}
+
+ gen = Random.new(0)
+ srand(0)
+ a = (1..18).to_a
+ (0..20).each do |n|
+ 100.times do |i|
+ assert_equal(a.sample(n), a.sample(n, random: gen), "#{i}/#{n}")
+ end
+ end
+ end
+
+ def test_sample_random
+ ary = (0...10000).to_a
+ assert_raise(ArgumentError) {ary.sample(1, 2, random: nil)}
+ gen0 = proc do |max|
+ (max+1)/2
+ end
+ class << gen0
+ alias rand call
+ end
+ gen1 = proc do |max|
+ ary.replace([])
+ (max+1)/2
+ end
+ class << gen1
+ alias rand call
+ end
+ assert_equal(5000, ary.sample(random: gen0))
+ assert_nil(ary.sample(random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000], ary.sample(1, random: gen0))
+ assert_equal([], ary.sample(1, random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000, 4999], ary.sample(2, random: gen0))
+ assert_equal([], ary.sample(2, random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000, 4999, 5001], ary.sample(3, random: gen0))
+ assert_equal([], ary.sample(3, random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000, 4999, 5001, 4998], ary.sample(4, random: gen0))
+ assert_equal([], ary.sample(4, random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000, 4999, 5001, 4998, 5002, 4997, 5003, 4996, 5004, 4995], ary.sample(10, random: gen0))
+ assert_equal([], ary.sample(10, random: gen1))
+ assert_equal([], ary)
+ ary = (0...10000).to_a
+ assert_equal([5000, 0, 5001, 2, 5002, 4, 5003, 6, 5004, 8, 5005], ary.sample(11, random: gen0))
+ ary.sample(11, random: gen1) # implementation detail, may change in the future
+ assert_equal([], ary)
+ end
+
+ def test_cycle
+ a = []
+ [0, 1, 2].cycle do |i|
+ a << i
+ break if a.size == 10
+ end
+ assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2, 0], a)
+
+ a = [0, 1, 2]
+ assert_nil(a.cycle { a.clear })
+
+ a = []
+ [0, 1, 2].cycle(3) {|i| a << i }
+ assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2], a)
+ end
+
+ def test_reverse_each2
+ a = [0, 1, 2, 3, 4, 5]
+ r = []
+ a.reverse_each do |x|
+ r << x
+ a.pop
+ a.pop
+ end
+ assert_equal([5, 3, 1], r)
+ end
+
+ def test_combination2
+ assert_equal(:called, (0..100).to_a.combination(50) { break :called }, "[ruby-core:29240] ... must be yielded even if 100C50 > signed integer")
+ end
+
+ def test_product2
+ a = (0..100).to_a
+ assert_raise(RangeError) do
+ a.product(a, a, a, a, a, a, a, a, a, a)
+ end
+ assert_nothing_raised(RangeError) do
+ a.product(a, a, a, a, a, a, a, a, a, a) { break }
+ end
+ end
+
+ class Array2 < Array
+ end
+
+ def test_array_subclass
+ assert_equal(Array2, Array2[1,2,3].uniq.class, "[ruby-dev:34581]")
+ assert_equal(Array2, Array2[1,2][0,1].class) # embeded
+ assert_equal(Array2, Array2[*(1..100)][1..99].class) #not embeded
+ end
+
+ def test_inspect
+ a = @cls[1, 2, 3]
+ a.taint
+ a.untrust
+ s = a.inspect
+ assert_equal(true, s.tainted?)
+ assert_equal(true, s.untrusted?)
+ end
+
+ def test_initialize2
+ a = [1] * 1000
+ a.instance_eval { initialize }
+ assert_equal([], a)
+ end
+
+ def test_shift_shared_ary
+ a = (1..100).to_a
+ b = []
+ b.replace(a)
+ assert_equal((1..10).to_a, a.shift(10))
+ assert_equal((11..100).to_a, a)
+ end
+
+ def test_replace_shared_ary
+ a = [1] * 100
+ b = []
+ b.replace(a)
+ a.replace([1, 2, 3])
+ assert_equal([1, 2, 3], a)
+ assert_equal([1] * 100, b)
+ end
+
+ def test_fill_negative_length
+ a = (1..10).to_a
+ a.fill(:foo, 5, -3)
+ assert_equal((1..10).to_a, a)
+ end
+
+ def test_slice_frozen_array
+ a = [1,2,3,4,5].freeze
+ assert_equal([1,2,3,4], a[0,4])
+ assert_equal([2,3,4,5], a[1,4])
+ end
+
+ def test_sort_by!
+ a = [1,3,5,2,4]
+ a.sort_by! {|x| -x }
+ assert_equal([5,4,3,2,1], a)
+ end
+
+ def test_rotate
+ a = [1,2,3,4,5].freeze
+ assert_equal([2,3,4,5,1], a.rotate)
+ assert_equal([5,1,2,3,4], a.rotate(-1))
+ assert_equal([3,4,5,1,2], a.rotate(2))
+ assert_equal([4,5,1,2,3], a.rotate(-2))
+ assert_equal([4,5,1,2,3], a.rotate(13))
+ assert_equal([3,4,5,1,2], a.rotate(-13))
+ a = [1].freeze
+ assert_equal([1], a.rotate)
+ assert_equal([1], a.rotate(2))
+ assert_equal([1], a.rotate(-4))
+ assert_equal([1], a.rotate(13))
+ assert_equal([1], a.rotate(-13))
+ a = [].freeze
+ assert_equal([], a.rotate)
+ assert_equal([], a.rotate(2))
+ assert_equal([], a.rotate(-4))
+ assert_equal([], a.rotate(13))
+ assert_equal([], a.rotate(-13))
+ a = [1,2,3]
+ assert_raise(ArgumentError) { a.rotate(1, 1) }
+ assert_equal([1,2,3,4,5].rotate(2**31-1), [1,2,3,4,5].rotate(2**31-0.1))
+ assert_equal([1,2,3,4,5].rotate(-2**31), [1,2,3,4,5].rotate(-2**31-0.9))
+ end
+
+ def test_rotate!
+ a = [1,2,3,4,5]
+ assert_equal([2,3,4,5,1], a.rotate!)
+ assert_equal([2,3,4,5,1], a)
+ assert_equal([4,5,1,2,3], a.rotate!(2))
+ assert_equal([5,1,2,3,4], a.rotate!(-4))
+ assert_equal([3,4,5,1,2], a.rotate!(13))
+ assert_equal([5,1,2,3,4], a.rotate!(-13))
+ a = [1]
+ assert_equal([1], a.rotate!)
+ assert_equal([1], a.rotate!(2))
+ assert_equal([1], a.rotate!(-4))
+ assert_equal([1], a.rotate!(13))
+ assert_equal([1], a.rotate!(-13))
+ a = []
+ assert_equal([], a.rotate!)
+ assert_equal([], a.rotate!(2))
+ assert_equal([], a.rotate!(-4))
+ assert_equal([], a.rotate!(13))
+ assert_equal([], a.rotate!(-13))
+ a = [].freeze
+ e = assert_raise(RuntimeError) {a.rotate!}
+ assert_match(/can't modify frozen/, e.message)
+ a = [1,2,3]
+ assert_raise(ArgumentError) { a.rotate!(1, 1) }
+ end
+
+ def test_bsearch_in_find_minimum_mode
+ a = [0, 4, 7, 10, 12]
+ assert_equal(4, a.bsearch {|x| x >= 4 })
+ assert_equal(7, a.bsearch {|x| x >= 6 })
+ assert_equal(0, a.bsearch {|x| x >= -1 })
+ assert_equal(nil, a.bsearch {|x| x >= 100 })
+ end
+
+ def test_bsearch_in_find_any_mode
+ a = [0, 4, 7, 10, 12]
+ assert_include([4, 7], a.bsearch {|x| 1 - x / 4 })
+ assert_equal(nil, a.bsearch {|x| 4 - x / 2 })
+ assert_equal(nil, a.bsearch {|x| 1 })
+ assert_equal(nil, a.bsearch {|x| -1 })
+
+ assert_include([4, 7], a.bsearch {|x| (1 - x / 4) * (2**100) })
+ assert_equal(nil, a.bsearch {|x| 1 * (2**100) })
+ assert_equal(nil, a.bsearch {|x| (-1) * (2**100) })
+
+ assert_include([4, 7], a.bsearch {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
+ end
+
+ def test_bsearch_undefined
+ a = [0, 4, 7, 10, 12]
+ assert_equal(nil, a.bsearch {|x| "foo" }) # undefined behavior
+ end
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 20:22:55 +0000