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-rw-r--r--test/ruby/test_array.rb1940
1 files changed, 1860 insertions, 80 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 4c7c3dfb6d..3212ed3aca 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1,6 +1,31 @@
+# coding: US-ASCII
+# frozen_string_literal: false
require 'test/unit'
+require "delegate"
+require "rbconfig/sizeof"
class TestArray < Test::Unit::TestCase
+ 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)
@@ -18,13 +43,14 @@ class TestArray < Test::Unit::TestCase
assert_equal([1, 2, 3], x[1,3])
x[0, 2] = 10
- assert(x[0] == 10 && x[1] == 2)
+ assert_equal([10, 2, 3, 4, 5], x)
x[0, 0] = -1
- assert(x[0] == -1 && x[1] == 10)
+ assert_equal([-1, 10, 2, 3, 4, 5], x)
x[-1, 1] = 20
- assert(x[-1] == 20 && x.pop == 20)
+ assert_equal(20, x[-1])
+ assert_equal(20, x.pop)
end
def test_array_andor_0
@@ -64,7 +90,7 @@ class TestArray < Test::Unit::TestCase
end
def test_split_0
- x = "The Boassert of Mormon"
+ 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(":"))
@@ -74,7 +100,7 @@ class TestArray < Test::Unit::TestCase
end
def test_misc_0
- assert(defined? "a".chomp)
+ assert(defined? "a".chomp, '"a".chomp is not defined')
assert_equal(["a", "b", "c"], "abc".scan(/./))
assert_equal([["1a"], ["2b"], ["3c"]], "1a2b3c".scan(/(\d.)/))
# non-greedy match
@@ -115,27 +141,27 @@ class TestArray < Test::Unit::TestCase
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)
@@ -176,10 +202,6 @@ class TestArray < Test::Unit::TestCase
# From rubicon
- def setup
- @cls = Array
- end
-
def test_00_new
a = @cls.new()
assert_instance_of(@cls, a)
@@ -202,6 +224,13 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[], @cls[ 1, 2, 3 ] & @cls[ 4, 5, 6 ])
end
+ def test_AND_big_array # '&'
+ assert_equal(@cls[1, 3], @cls[ 1, 1, 3, 5 ]*64 & @cls[ 1, 2, 3 ]*64)
+ assert_equal(@cls[], @cls[ 1, 1, 3, 5 ]*64 & @cls[ ])
+ assert_equal(@cls[], @cls[ ] & @cls[ 1, 2, 3 ]*64)
+ assert_equal(@cls[], @cls[ 1, 2, 3 ]*64 & @cls[ 4, 5, 6 ]*64)
+ end
+
def test_MUL # '*'
assert_equal(@cls[], @cls[]*3)
assert_equal(@cls[1, 1, 1], @cls[1]*3)
@@ -238,6 +267,18 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[1, 2, 3], @cls[1, 2, 3] - @cls[4, 5, 6])
end
+ def test_MINUS_big_array # '-'
+ assert_equal(@cls[1]*64, @cls[1, 2, 3, 4, 5]*64 - @cls[2, 3, 4, 5]*64)
+ # Ruby 1.8 feature change
+ #assert_equal(@cls[1], @cls[1, 2, 1, 3, 1, 4, 1, 5]*64 - @cls[2, 3, 4, 5]*64)
+ assert_equal(@cls[1, 1, 1, 1]*64, @cls[1, 2, 1, 3, 1, 4, 1, 5]*64 - @cls[2, 3, 4, 5]*64)
+ 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])
+ end
+
def test_LSHIFT # '<<'
a = @cls[]
a << 1
@@ -263,17 +304,17 @@ class TestArray < Test::Unit::TestCase
end
def test_EQUAL # '=='
- assert(@cls[] == @cls[])
- assert(@cls[1] == @cls[1])
- assert(@cls[1, 1, 2, 2] == @cls[1, 1, 2, 2])
- assert(@cls[1.0, 1.0, 2.0, 2.0] == @cls[1, 1, 2, 2])
+ 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(@cls[] === @cls[])
- assert(@cls[1] === @cls[1])
- assert(@cls[1, 1, 2, 2] === @cls[1, 1, 2, 2])
- assert(@cls[1.0, 1.0, 2.0, 2.0] === @cls[1, 1, 2, 2])
+ 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 # '[]'
@@ -312,7 +353,7 @@ class TestArray < Test::Unit::TestCase
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.
@@ -407,6 +448,29 @@ class TestArray < Test::Unit::TestCase
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_append
+ a = @cls[1, 2, 3]
+ assert_equal(@cls[1, 2, 3, 4, 5], a.append(4, 5))
+ assert_equal(@cls[1, 2, 3, 4, 5, nil], a.append(nil))
+
+ a.append
+ assert_equal @cls[1, 2, 3, 4, 5, nil], a
+ a.append 6, 7
+ assert_equal @cls[1, 2, 3, 4, 5, nil, 6, 7], a
end
def test_assoc
@@ -452,7 +516,7 @@ class TestArray < Test::Unit::TestCase
b = a.clone
assert_equal(a, b)
- assert(a.__id__ != b.__id__)
+ assert_not_equal(a.__id__, b.__id__)
assert_equal(a.frozen?, b.frozen?)
assert_equal(a.tainted?, b.tainted?)
end
@@ -461,20 +525,25 @@ class TestArray < Test::Unit::TestCase
def test_collect
a = @cls[ 1, 'cat', 1..1 ]
- assert_equal([ Fixnum, String, Range], a.collect {|e| e.class} )
+ assert_equal([ Integer, String, Range], a.collect {|e| e.class} )
assert_equal([ 99, 99, 99], a.collect { 99 } )
assert_equal([], @cls[].collect { 99 })
- assert_equal([1, 2, 3], @cls[1, 2, 3].collect)
+ # 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
+
+ assert_equal([[1, 2, 3]], [[1, 2, 3]].collect(&->(a, b, c) {[a, b, c]}))
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)
-
+ assert_equal([ Integer, String, Range], a.collect! {|e| e.class} )
+ assert_equal([ Integer, String, Range], a)
+
a = @cls[ 1, 'cat', 1..1 ]
assert_equal([ 99, 99, 99], a.collect! { 99 } )
assert_equal([ 99, 99, 99], a)
@@ -519,13 +588,22 @@ class TestArray < Test::Unit::TestCase
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].concat(@cls[2, 3], [4]))
assert_equal(@cls[1, 2, 3, 4], @cls[1, 2, 3, 4].concat(@cls[]))
+ assert_equal(@cls[1, 2, 3, 4], @cls[1, 2, 3, 4].concat())
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)
+
+ b = @cls[4, 5]
+ b.concat(b, b)
+ assert_equal([4, 5, 4, 5, 4, 5], b)
+
+ assert_raise(TypeError) { [0].concat(:foo) }
+ assert_raise(FrozenError) { [0].freeze.concat(:foo) }
end
def test_count
@@ -535,6 +613,29 @@ class TestArray < Test::Unit::TestCase
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) }
+
+ bug8654 = '[ruby-core:56072]'
+ assert_in_out_err [], <<-EOS, ["0"], [], bug8654
+ a1 = []
+ a2 = Array.new(100) { |i| i }
+ a2.count do |i|
+ p i
+ a2.replace(a1) if i == 0
+ end
+ EOS
+
+ assert_in_out_err [], <<-EOS, ["[]", "0"], [], bug8654
+ ARY = Array.new(100) { |i| i }
+ class Integer
+ alias old_equal ==
+ def == other
+ ARY.replace([]) if self.equal?(0)
+ p ARY
+ self.equal?(other)
+ end
+ end
+ p ARY.count(42)
+ EOS
end
def test_delete
@@ -557,6 +658,14 @@ class TestArray < Test::Unit::TestCase
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
@@ -590,6 +699,11 @@ class TestArray < Test::Unit::TestCase
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; i < 7})
+ assert_equal(@cls[7, 8, 9, 10], a, bug2545)
end
def test_dup
@@ -601,7 +715,7 @@ class TestArray < Test::Unit::TestCase
b = a.dup
assert_equal(a, b)
- assert(a.__id__ != b.__id__)
+ assert_not_equal(a.__id__, b.__id__)
assert_equal(false, b.frozen?)
assert_equal(a.tainted?, b.tainted?)
end
@@ -649,15 +763,15 @@ class TestArray < Test::Unit::TestCase
end
def test_empty?
- assert(@cls[].empty?)
- assert(!@cls[1].empty?)
+ assert_empty(@cls[])
+ assert_not_empty(@cls[1])
end
def test_eql?
- assert(@cls[].eql?(@cls[]))
- assert(@cls[1].eql?(@cls[1]))
- assert(@cls[1, 1, 2, 2].eql?(@cls[1, 1, 2, 2]))
- assert(!@cls[1.0, 1.0, 2.0, 2.0].eql?(@cls[1, 1, 2, 2]))
+ 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
@@ -694,13 +808,52 @@ class TestArray < Test::Unit::TestCase
a5 = @cls[ a1, @cls[], a3 ]
assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten)
+ assert_equal(@cls[1, 2, 3, 4, [5, 6]], a5.flatten(1))
assert_equal(@cls[], @cls[].flatten)
- assert_equal(@cls[],
+ assert_equal(@cls[],
@cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)
+ end
+ def test_flatten_wrong_argument
assert_raise(TypeError, "[ruby-dev:31197]") { [[]].flatten("") }
end
+ def test_flatten_taint
+ a6 = @cls[[1, 2], 3]
+ a6.taint
+ a7 = a6.flatten
+ assert_equal(true, a7.tainted?)
+ end
+
+ def test_flatten_level0
+ a8 = @cls[[1, 2], 3]
+ a9 = a8.flatten(0)
+ assert_equal(a8, a9)
+ assert_not_same(a8, a9)
+ end
+
+ def test_flatten_splat
+ bug10748 = '[ruby-core:67637] [Bug #10748]'
+ o = Object.new
+ o.singleton_class.class_eval do
+ define_method(:to_ary) do
+ raise bug10748
+ end
+ end
+ a = @cls[@cls[o]]
+ assert_raise_with_message(RuntimeError, bug10748) {a.flatten}
+ assert_nothing_raised(RuntimeError, bug10748) {a.flatten(1)}
+ end
+
+ def test_flattern_singleton_class
+ bug12738 = '[ruby-dev:49781] [Bug #12738]'
+ a = [[0]]
+ class << a
+ def m; end
+ end
+ assert_raise(NoMethodError, bug12738) { a.flatten.m }
+ end
+
def test_flatten!
a1 = @cls[ 1, 2, 3]
a2 = @cls[ 5, 6 ]
@@ -711,15 +864,44 @@ class TestArray < Test::Unit::TestCase
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)
+ end
- assert_equal(@cls[], @cls[].flatten)
- assert_equal(@cls[],
- @cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)
+ def test_flatten_empty!
+ assert_nil(@cls[].flatten!)
+ assert_equal(@cls[],
+ @cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten!)
+ end
+
+ def test_flatten_level0!
+ assert_nil(@cls[].flatten!(0), '[ruby-core:23382]')
+ end
+
+ def test_flatten_splat!
+ bug10748 = '[ruby-core:67637] [Bug #10748]'
+ o = Object.new
+ o.singleton_class.class_eval do
+ define_method(:to_ary) do
+ raise bug10748
+ end
+ end
+ a = @cls[@cls[o]]
+ assert_raise_with_message(RuntimeError, bug10748) {a.flatten!}
+ assert_nothing_raised(RuntimeError, bug10748) {a.flatten!(1)}
+ end
+
+ def test_flattern_singleton_class!
+ bug12738 = '[ruby-dev:49781] [Bug #12738]'
+ a = [[0]]
+ class << a
+ def m; end
+ end
+ assert_nothing_raised(NameError, bug12738) { a.flatten!.m }
end
def test_flatten_with_callcc
- respond_to?(:callcc, true) or require 'continuation'
+ need_continuation
o = Object.new
def o.to_ary() callcc {|k| @cont = k; [1,2,3]} end
begin
@@ -732,22 +914,131 @@ class TestArray < Test::Unit::TestCase
assert_match(/reentered/, e.message, '[ruby-dev:34798]')
end
+ def test_flatten_respond_to_missing
+ bug11465 = '[ruby-core:70460] [Bug #11465]'
+
+ obj = Class.new do
+ def respond_to_missing?(method, stuff)
+ return false if method == :to_ary
+ super
+ end
+
+ def method_missing(*args)
+ super
+ end
+ end.new
+
+ ex = nil
+ trace = TracePoint.new(:raise) do |tp|
+ ex = tp.raised_exception
+ end
+ trace.enable {[obj].flatten}
+ assert_nil(ex, bug11465)
+ end
+
+ def test_permutation_with_callcc
+ need_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
+ need_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
+ need_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
+ need_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
+ need_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(a1.hash == a2.hash)
- assert(a1.hash != a3.hash)
+ assert_equal(a1.hash, a2.hash)
+ assert_not_equal(a1.hash, a3.hash)
+ bug9231 = '[ruby-core:58993] [Bug #9231]'
+ assert_not_equal(false.hash, @cls[].hash, bug9231)
end
def test_include?
a = @cls[ 'cat', 99, /a/, @cls[ 1, 2, 3] ]
- assert(a.include?('cat'))
- assert(a.include?(99))
- assert(a.include?(/a/))
- assert(a.include?([1,2,3]))
- assert(!a.include?('ca'))
- assert(!a.include?([1,2]))
+ 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
@@ -757,6 +1048,8 @@ class TestArray < Test::Unit::TestCase
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
@@ -771,23 +1064,54 @@ class TestArray < Test::Unit::TestCase
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
+ s = a.join
+ assert_equal(true, s.tainted?)
+
+ bug5902 = '[ruby-core:42161]'
+ sep = ":".taint
+
+ s = @cls[].join(sep)
+ assert_equal(false, s.tainted?, bug5902)
+ s = @cls[1].join(sep)
+ assert_equal(false, s.tainted?, bug5902)
+ s = @cls[1, 2].join(sep)
+ assert_equal(true, s.tainted?, 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)
+ assert_equal(Encoding::UTF_8, [Struct.new(:to_str).new(u)].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
@@ -807,9 +1131,9 @@ class TestArray < Test::Unit::TestCase
# 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)
-
+ assert_equal(@cls[ Integer, String, Range], a.map! {|e| e.class} )
+ assert_equal(@cls[ Integer, 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)
@@ -819,14 +1143,6 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[], a)
end
- def test_nitems
- assert_equal(0, @cls[].nitems)
- assert_equal(1, @cls[1].nitems)
- assert_equal(1, @cls[1, nil].nitems)
- assert_equal(1, @cls[nil, 1].nitems)
- assert_equal(3, @cls[1, nil, nil, 2, nil, 3, nil].nitems)
- end
-
def test_pack
a = @cls[*%w( cat wombat x yy)]
assert_equal("catwomx yy ", a.pack("A3A3A3A3"))
@@ -858,17 +1174,17 @@ class TestArray < Test::Unit::TestCase
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",
+ 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("\xc2\xa9B\xe2\x89\xa0", @cls[0xa9, 0x42, 0x2260].pack("U*"))
+ assert_equal("\u{a9 42 2260}", @cls[0xa9, 0x42, 0x2260].pack("U*"))
format = "c2x5CCxsdils_l_a6";
@@ -921,6 +1237,14 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[], a)
end
+ def test_prepend
+ a = @cls[]
+ assert_equal(@cls['cat'], a.prepend('cat'))
+ assert_equal(@cls['dog', 'cat'], a.prepend('dog'))
+ assert_equal(@cls[nil, 'dog', 'cat'], a.prepend(nil))
+ assert_equal(@cls[@cls[1,2], nil, 'dog', 'cat'], a.prepend(@cls[1, 2]))
+ end
+
def test_push
a = @cls[1, 2, 3]
assert_equal(@cls[1, 2, 3, 4, 5], a.push(4, 5))
@@ -960,6 +1284,70 @@ class TestArray < Test::Unit::TestCase
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; i < 7})
+ assert_equal(@cls[7, 8, 9, 10], a, bug2545)
+ end
+
+ def test_shared_array_reject!
+ c = []
+ b = [1, 2, 3, 4]
+ 3.times do
+ a = b.dup
+ c << a.dup
+
+ begin
+ a.reject! do |x|
+ case x
+ when 2 then true
+ when 3 then raise StandardError, 'Oops'
+ else false
+ end
+ end
+ rescue StandardError
+ end
+
+ c << a.dup
+ end
+
+ bug90781 = '[ruby-core:90781]'
+ assert_equal [[1, 2, 3, 4],
+ [1, 3, 4],
+ [1, 2, 3, 4],
+ [1, 3, 4],
+ [1, 2, 3, 4],
+ [1, 3, 4]], c, bug90781
+ end
+
+ def test_iseq_shared_array_reject!
+ c = []
+ 3.times do
+ a = [1, 2, 3, 4]
+ c << a.dup
+
+ begin
+ a.reject! do |x|
+ case x
+ when 2 then true
+ when 3 then raise StandardError, 'Oops'
+ else false
+ end
+ end
+ rescue StandardError
+ end
+
+ c << a.dup
+ end
+
+ bug90781 = '[ruby-core:90781]'
+ assert_equal [[1, 2, 3, 4],
+ [1, 3, 4],
+ [1, 2, 3, 4],
+ [1, 3, 4],
+ [1, 2, 3, 4],
+ [1, 3, 4]], c, bug90781
end
def test_replace
@@ -969,6 +1357,13 @@ class TestArray < Test::Unit::TestCase
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(FrozenError) { fa.replace(fa) }
+ assert_raise(ArgumentError) { fa.replace() }
+ assert_raise(TypeError) { a.replace(42) }
+ assert_raise(FrozenError) { fa.replace(42) }
end
def test_reverse
@@ -1000,6 +1395,7 @@ class TestArray < Test::Unit::TestCase
a = @cls[]
i = 0
a.reverse_each { |e|
+ i += 1
assert(false, "Never get here")
}
assert_equal(0, i)
@@ -1012,6 +1408,8 @@ class TestArray < Test::Unit::TestCase
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
@@ -1062,7 +1460,7 @@ class TestArray < Test::Unit::TestCase
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))
@@ -1108,6 +1506,9 @@ class TestArray < Test::Unit::TestCase
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
@@ -1118,9 +1519,11 @@ class TestArray < Test::Unit::TestCase
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
@@ -1137,6 +1540,69 @@ class TestArray < Test::Unit::TestCase
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
+ need_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_sort_bang_with_freeze
+ ary = []
+ o1 = Object.new
+ o1.singleton_class.class_eval {
+ define_method(:<=>) {|v|
+ ary.freeze
+ 1
+ }
+ }
+ o2 = o1.clone
+ ary << o1 << o2
+ orig = ary.dup
+ assert_raise(FrozenError, "frozen during comparison") {ary.sort!}
+ assert_equal(orig, ary, "must not be modified once frozen")
+ end
+
+ def test_short_heap_array_sort_bang_memory_leak
+ bug11332 = '[ruby-dev:49166] [Bug #11332]'
+ assert_no_memory_leak([], <<-PREP, <<-TEST, bug11332, limit: 1.3, timeout: 60)
+ def t; ary = [*1..5]; ary.pop(2); ary.sort!; end
+ 1.times {t}
+ PREP
+ 500000.times {t}
+ TEST
end
def test_to_a
@@ -1155,43 +1621,270 @@ class TestArray < Test::Unit::TestCase
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)
+ assert_equal("[]", a.to_s)
$, = ""
a = @cls[1, 2]
- assert_equal("12", a.to_s)
+ assert_equal("[1, 2]", a.to_s)
$, = ""
a = @cls[1, 2, 3]
- assert_equal("123", a.to_s)
+ assert_equal("[1, 2, 3]", a.to_s)
$, = ":"
a = @cls[1, 2, 3]
- assert_equal("1:2:3", a.to_s)
+ assert_equal("[1, 2, 3]", a.to_s)
+ ensure
+ $, = nil
+ end
- $, = ""
+ def test_to_h
+ kvp = Object.new
+ def kvp.to_ary
+ [:obtained, :via_to_ary]
+ end
+ array = [
+ [:key, :value],
+ kvp,
+ ]
+ assert_equal({key: :value, obtained: :via_to_ary}, array.to_h)
+
+ e = assert_raise(TypeError) {
+ [[:first_one, :ok], :not_ok].to_h
+ }
+ assert_equal "wrong element type Symbol at 1 (expected array)", e.message
+ array = [eval("class C\u{1f5ff}; self; end").new]
+ assert_raise_with_message(TypeError, /C\u{1f5ff}/) {array.to_h}
+ e = assert_raise(ArgumentError) {
+ [[:first_one, :ok], [1, 2], [:not_ok]].to_h
+ }
+ assert_equal "wrong array length at 2 (expected 2, was 1)", e.message
+ end
+
+ def test_min
+ assert_equal(1, [1, 2, 3, 1, 2].min)
+ assert_equal(3, [1, 2, 3, 1, 2].min {|a,b| b <=> a })
+ cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
+ assert_equal([3, 2], [1, 2, 3, 1, 2].each_with_index.min(&cond))
+ ary = %w(albatross dog horse)
+ assert_equal("albatross", ary.min)
+ assert_equal("dog", ary.min {|a,b| a.length <=> b.length })
+ assert_equal(1, [3,2,1].min)
+ assert_equal(%w[albatross dog], ary.min(2))
+ assert_equal(%w[dog horse],
+ ary.min(2) {|a,b| a.length <=> b.length })
+ assert_equal([13, 14], [20, 32, 32, 21, 30, 25, 29, 13, 14].min(2))
+ assert_equal([2, 4, 6, 7], [2, 4, 8, 6, 7].min(4))
+
+ class << (obj = Object.new)
+ def <=>(x) 1 <=> x end
+ def coerce(x) [x, 1] end
+ end
+ assert_same(obj, [obj, 1.0].min)
+ end
+
+ def test_max
+ assert_equal(3, [1, 2, 3, 1, 2].max)
+ assert_equal(1, [1, 2, 3, 1, 2].max {|a,b| b <=> a })
+ cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
+ assert_equal([1, 3], [1, 2, 3, 1, 2].each_with_index.max(&cond))
+ ary = %w(albatross dog horse)
+ assert_equal("horse", ary.max)
+ assert_equal("albatross", ary.max {|a,b| a.length <=> b.length })
+ assert_equal(1, [3,2,1].max{|a,b| b <=> a })
+ assert_equal(%w[horse dog], ary.max(2))
+ assert_equal(%w[albatross horse],
+ ary.max(2) {|a,b| a.length <=> b.length })
+ assert_equal([3, 2], [0, 0, 0, 0, 0, 0, 1, 3, 2].max(2))
+
+ class << (obj = Object.new)
+ def <=>(x) 1 <=> x end
+ def coerce(x) [x, 1] end
+ end
+ assert_same(obj, [obj, 1.0].max)
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)
+
+ a = %w(a a)
+ b = a.uniq
+ assert_equal(%w(a a), a)
+ assert(a.none?(&:frozen?))
+ assert_equal(%w(a), b)
+ assert(b.none?(&:frozen?))
+
+ bug9340 = "[ruby-core:59457]"
+ ary = [bug9340, bug9340.dup, bug9340.dup]
+ assert_equal 1, ary.uniq.size
+ assert_same bug9340, ary.uniq[0]
+ 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)
+
+ a = %w(a a)
+ b = a.uniq {|v| v }
+ assert_equal(%w(a a), a)
+ assert(a.none?(&:frozen?))
+ assert_equal(%w(a), b)
+ assert(b.none?(&:frozen?))
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(FrozenError) { 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
+
+ a = %w(a a)
+ b = a.uniq
+ assert_equal(%w(a a), a)
+ assert(a.none?(&:frozen?))
+ assert_equal(%w(a), b)
+ assert(b.none?(&:frozen?))
+ 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)
+
+ a = %w(a a)
+ b = a.uniq! {|v| v }
+ assert_equal(%w(a), b)
+ assert_same(a, b)
+ assert b.none?(&:frozen?)
+ end
+
+ def test_uniq_bang_with_freeze
+ ary = [1,2]
+ orig = ary.dup
+ assert_raise(FrozenError, "frozen during comparison") {
+ ary.uniq! {|v| ary.freeze; 1}
+ }
+ assert_equal(orig, ary, "must not be modified once frozen")
end
def test_unshift
@@ -1202,6 +1895,17 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[@cls[1,2], nil, 'dog', 'cat'], a.unshift(@cls[1, 2]))
end
+ def test_unshift_frozen
+ bug15952 = '[Bug #15952]'
+ assert_raise(FrozenError, bug15952) do
+ a = [1] * 100
+ b = a[4..-1]
+ a.replace([1])
+ b.freeze
+ b.unshift("a")
+ end
+ end
+
def test_OR # '|'
assert_equal(@cls[], @cls[] | @cls[])
assert_equal(@cls[1], @cls[1] | @cls[])
@@ -1211,15 +1915,73 @@ class TestArray < Test::Unit::TestCase
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])
+
+ a = %w(a b c)
+ b = %w(a b c d e)
+ c = a | b
+ assert_equal(c, b)
+ assert_not_same(c, b)
+ assert_equal(%w(a b c), a)
+ assert_equal(%w(a b c d e), b)
+ assert(a.none?(&:frozen?))
+ assert(b.none?(&:frozen?))
+ assert(c.none?(&:frozen?))
+ end
+
+ def test_OR_in_order
+ obj1, obj2 = Class.new do
+ attr_reader :name
+ def initialize(name) @name = name; end
+ def inspect; "test_OR_in_order(#{@name})"; end
+ def hash; 0; end
+ def eql?(a) true; end
+ break [new("1"), new("2")]
+ end
+ assert_equal([obj1], [obj1]|[obj2])
+ end
+
+ def test_OR_big_in_order
+ obj1, obj2 = Class.new do
+ attr_reader :name
+ def initialize(name) @name = name; end
+ def inspect; "test_OR_in_order(#{@name})"; end
+ def hash; 0; end
+ def eql?(a) true; end
+ break [new("1"), new("2")]
+ end
+ assert_equal([obj1], [obj1]*64|[obj2]*64)
+ end
+
+ def test_OR_big_array # '|'
+ assert_equal(@cls[1,2], @cls[1]*64 | @cls[2]*64)
+ assert_equal(@cls[1,2], @cls[1, 2]*64 | @cls[1, 2]*64)
+
+ a = (1..64).to_a
+ b = (1..128).to_a
+ c = a | b
+ assert_equal(c, b)
+ assert_not_same(c, b)
+ assert_equal((1..64).to_a, a)
+ assert_equal((1..128).to_a, b)
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)
+ def test_combination
+ a = @cls[]
+ assert_equal(1, a.combination(0).size)
+ assert_equal(0, a.combination(1).size)
+ a = @cls[1,2,3,4]
+ assert_equal(1, a.combination(0).size)
+ assert_equal(4, a.combination(1).size)
+ assert_equal(6, a.combination(2).size)
+ assert_equal(4, a.combination(3).size)
+ assert_equal(1, a.combination(4).size)
+ assert_equal(0, a.combination(5).size)
+ assert_equal(@cls[[]], a.combination(0).to_a)
+ assert_equal(@cls[[1],[2],[3],[4]], a.combination(1).to_a)
+ assert_equal(@cls[[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], a.combination(2).to_a)
+ assert_equal(@cls[[1,2,3],[1,2,4],[1,3,4],[2,3,4]], a.combination(3).to_a)
+ assert_equal(@cls[[1,2,3,4]], a.combination(4).to_a)
+ assert_equal(@cls[], a.combination(5).to_a)
end
def test_product
@@ -1228,14 +1990,39 @@ class TestArray < Test::Unit::TestCase
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]],
+ [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 }
+ a.all? {|x| assert_not_include(x, 0)}
end
def test_permutation
+ a = @cls[]
+ assert_equal(1, a.permutation(0).size)
+ assert_equal(0, a.permutation(1).size)
a = @cls[1,2,3]
+ assert_equal(1, a.permutation(0).size)
+ assert_equal(3, a.permutation(1).size)
+ assert_equal(6, a.permutation(2).size)
+ assert_equal(6, a.permutation(3).size)
+ assert_equal(0, a.permutation(4).size)
+ assert_equal(6, a.permutation.size)
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]],
@@ -1248,6 +2035,112 @@ class TestArray < Test::Unit::TestCase
"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_permutation_stack_error
+ bug9932 = '[ruby-core:63103] [Bug #9932]'
+ assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 30)
+ bug = "#{bug9932}"
+ begin;
+ assert_nothing_raised(SystemStackError, bug) do
+ assert_equal(:ok, Array.new(100_000, nil).permutation {break :ok})
+ end
+ end;
+ end
+
+ def test_repeated_permutation
+ a = @cls[]
+ assert_equal(1, a.repeated_permutation(0).size)
+ assert_equal(0, a.repeated_permutation(1).size)
+ a = @cls[1,2]
+ assert_equal(1, a.repeated_permutation(0).size)
+ assert_equal(2, a.repeated_permutation(1).size)
+ assert_equal(4, a.repeated_permutation(2).size)
+ assert_equal(8, a.repeated_permutation(3).size)
+ 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_empty(a.reject {|x| !x.include?(0)})
+ end
+
+ def test_repeated_permutation_stack_error
+ assert_separately([], "#{<<-"begin;"}\n#{<<~'end;'}", timeout: 30)
+ begin;
+ assert_nothing_raised(SystemStackError) do
+ assert_equal(:ok, Array.new(100_000, nil).repeated_permutation(500_000) {break :ok})
+ end
+ end;
+ end
+
+ def test_repeated_combination
+ a = @cls[]
+ assert_equal(1, a.repeated_combination(0).size)
+ assert_equal(0, a.repeated_combination(1).size)
+ a = @cls[1,2,3]
+ assert_equal(1, a.repeated_combination(0).size)
+ assert_equal(3, a.repeated_combination(1).size)
+ assert_equal(6, a.repeated_combination(2).size)
+ assert_equal(10, a.repeated_combination(3).size)
+ assert_equal(15, a.repeated_combination(4).size)
+ 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{|e|e.sort}.sort,
+ "edcba".each_char.to_a.repeated_combination(5).map{|e|e.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_empty(a.reject {|x| !x.include?(0)})
+ end
+
+ def test_repeated_combination_stack_error
+ assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 20)
+ begin;
+ assert_nothing_raised(SystemStackError) do
+ assert_equal(:ok, Array.new(100_000, nil).repeated_combination(500_000) {break :ok})
+ end
+ end;
end
def test_take
@@ -1269,4 +2162,891 @@ class TestArray < Test::Unit::TestCase
def test_drop_while
assert_equal([3,4,5,0], [1,2,3,4,5,0].drop_while {|i| i < 3 })
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(FrozenError) { [0].freeze[:foo] = 0 }
+ end
+
+ def test_first2
+ assert_equal([0], [0].first(2))
+ assert_raise(ArgumentError) { [0].first(-1) }
+ end
+
+ def test_last2
+ assert_equal([0], [0].last(2))
+ assert_raise(ArgumentError) { [0].last(-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)
+
+ assert_equal([1,1,1], ([1] * 100).shift(3))
+ end
+
+ def test_unshift_error
+ assert_raise(FrozenError) { [].freeze.unshift('cat') }
+ assert_raise(FrozenError) { [].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_raise(TypeError) { a.insert(Object.new) }
+ assert_equal([0, 1, 2], a.insert(-1, 2))
+ assert_equal([0, 1, 3, 2], a.insert(-2, 3))
+ assert_raise_with_message(IndexError, /-6/) { a.insert(-6, 4) }
+ assert_raise(FrozenError) { [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(@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)
+
+ bug10722 = '[ruby-dev:48805] [Bug #10722]'
+ a = @cls[ 5, 6, 7, 8, 9, 10 ]
+ r = a.select! {|i|
+ break i if i > 8
+ # assert_equal(a[0], i, "should be selected values only") if i == 7
+ i >= 7
+ }
+ assert_equal(9, r)
+ assert_equal(@cls[7, 8, 9, 10], a, bug10722)
+
+ bug13053 = '[ruby-core:78739] [Bug #13053] Array#select! can resize to negative size'
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ a.select! {|i| a.clear if i == 5; false }
+ assert_equal(0, a.size, bug13053)
+ end
+
+ # also select!
+ def test_keep_if
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ 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.keep_if { false })
+ assert_equal(@cls[], a)
+
+ a = @cls[ 1, 2, 3, 4, 5 ]
+ assert_equal(a, a.keep_if { |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_reject_with_callcc
+ need_continuation
+ bug9727 = '[ruby-dev:48101] [Bug #9727]'
+ cont = nil
+ a = [*1..10].reject do |i|
+ callcc {|c| cont = c} if !cont and i == 10
+ false
+ end
+ if a.size < 1000
+ a.unshift(:x)
+ cont.call
+ end
+ assert_equal(1000, a.size, bug9727)
+ assert_equal([:x, *1..10], a.uniq, bug9727)
+ 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) {%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_zip_bug
+ bug8153 = "ruby-core:53650"
+ r = 1..1
+ def r.respond_to?(*)
+ super
+ end
+ assert_equal [[42, 1]], [42].zip(r), bug8153
+ 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_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(FrozenError) { f.flatten! }
+ assert_raise(FrozenError) { 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
+
+ assert_raise_with_message(ArgumentError, /unknown keyword/) do
+ [0, 1, 2].shuffle(xawqij: "a")
+ end
+ assert_raise_with_message(ArgumentError, /unknown keyword/) do
+ [0, 1, 2].shuffle!(xawqij: "a")
+ 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)}
+
+ zero = Object.new
+ def zero.to_int
+ 0
+ end
+ gen_to_int = proc do |max|
+ zero
+ end
+ class << gen_to_int
+ alias rand call
+ end
+ ary = (0...10000).to_a
+ assert_equal(ary.rotate, ary.shuffle(random: gen_to_int))
+
+ assert_raise(NoMethodError) {
+ ary.shuffle(random: Object.new)
+ }
+ assert_raise(NoMethodError) {
+ ary.shuffle!(random: Object.new)
+ }
+ 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
+
+ assert_raise_with_message(ArgumentError, /unknown keyword/) do
+ [0, 1, 2].sample(xawqij: "a")
+ 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/2
+ end
+ class << gen0
+ alias rand call
+ end
+ gen1 = proc do |max|
+ ary.replace([])
+ max/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)
+
+ half = Object.new
+ def half.to_int
+ 5000
+ end
+ gen_to_int = proc do |max|
+ half
+ end
+ class << gen_to_int
+ alias rand call
+ end
+ ary = (0...10000).to_a
+ assert_equal(5000, ary.sample(random: gen_to_int))
+
+ assert_raise(NoMethodError) {
+ ary.sample(random: Object.new)
+ }
+ 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)
+
+ assert_equal(Float::INFINITY, a.cycle.size)
+ assert_equal(27, a.cycle(3).size)
+ 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_combination_clear
+ bug9939 = '[ruby-core:63149] [Bug #9939]'
+ assert_nothing_raised(bug9939) {
+ a = [*0..100]
+ a.combination(3) {|*,x| a.clear}
+ }
+
+ bug13052 = '[ruby-core:78738] [Bug #13052] Array#combination segfaults if the Array is modified during iteration'
+ assert_nothing_raised(bug13052) {
+ a = [*0..100]
+ a.combination(1) { a.clear }
+ a = [*0..100]
+ a.repeated_combination(1) { a.clear }
+ }
+ 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) # embedded
+ assert_equal(Array2, Array2[*(1..100)][1..99].class) #not embedded
+ end
+
+ def test_inspect
+ a = @cls[1, 2, 3]
+ a.taint
+ s = a.inspect
+ assert_equal(true, s.tainted?)
+ 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)
+
+ a = (1..30).to_a
+ assert_equal((1..3).to_a, a.shift(3))
+ # occupied
+ assert_equal((4..6).to_a, a.shift(3))
+ 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
+ assert_raise_with_message(FrozenError, /can\'t modify frozen/) {a.rotate!}
+ a = [1,2,3]
+ assert_raise(ArgumentError) { a.rotate!(1, 1) }
+ end
+
+ def test_bsearch_typechecks_return_values
+ assert_raise(TypeError) do
+ [1, 2, 42, 100, 666].bsearch{ "not ok" }
+ end
+ c = eval("class C\u{309a 26a1 26c4 1f300};self;end")
+ assert_raise_with_message(TypeError, /C\u{309a 26a1 26c4 1f300}/) do
+ [0,1].bsearch {c.new}
+ end
+ assert_equal [1, 2, 42, 100, 666].bsearch{}, [1, 2, 42, 100, 666].bsearch{false}
+ end
+
+ def test_bsearch_with_no_block
+ enum = [1, 2, 42, 100, 666].bsearch
+ assert_nil enum.size
+ assert_equal 42, enum.each{|x| x >= 33 }
+ 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_index_typechecks_return_values
+ assert_raise(TypeError) do
+ [1, 2, 42, 100, 666].bsearch_index {"not ok"}
+ end
+ assert_equal [1, 2, 42, 100, 666].bsearch_index {}, [1, 2, 42, 100, 666].bsearch_index {false}
+ end
+
+ def test_bsearch_index_with_no_block
+ enum = [1, 2, 42, 100, 666].bsearch_index
+ assert_nil enum.size
+ assert_equal 2, enum.each{|x| x >= 33 }
+ end
+
+ def test_bsearch_index_in_find_minimum_mode
+ a = [0, 4, 7, 10, 12]
+ assert_equal(1, a.bsearch_index {|x| x >= 4 })
+ assert_equal(2, a.bsearch_index {|x| x >= 6 })
+ assert_equal(0, a.bsearch_index {|x| x >= -1 })
+ assert_equal(nil, a.bsearch_index {|x| x >= 100 })
+ end
+
+ def test_bsearch_index_in_find_any_mode
+ a = [0, 4, 7, 10, 12]
+ assert_include([1, 2], a.bsearch_index {|x| 1 - x / 4 })
+ assert_equal(nil, a.bsearch_index {|x| 4 - x / 2 })
+ assert_equal(nil, a.bsearch_index {|x| 1 })
+ assert_equal(nil, a.bsearch_index {|x| -1 })
+
+ assert_include([1, 2], a.bsearch_index {|x| (1 - x / 4) * (2**100) })
+ assert_equal(nil, a.bsearch_index {|x| 1 * (2**100) })
+ assert_equal(nil, a.bsearch_index {|x| (-1) * (2**100) })
+
+ assert_include([1, 2], a.bsearch_index {|x| (2**100).coerce((1 - x / 4) * (2**100)).first })
+ end
+
+ def test_shared_marking
+ reduce = proc do |s|
+ s.gsub(/(verify_internal_consistency_reachable_i:\sWB\smiss\s\S+\s\(T_ARRAY\)\s->\s)\S+\s\((proc|T_NONE)\)\n
+ \K(?:\1\S+\s\(\2\)\n)*/x) do
+ "...(snip #{$&.count("\n")} lines)...\n"
+ end
+ end
+ begin
+ assert_normal_exit(<<-EOS, '[Bug #9718]', timeout: 5, stdout_filter: reduce)
+ queue = []
+ 50.times do
+ 10_000.times do
+ queue << lambda{}
+ end
+ GC.start(full_mark: false, immediate_sweep: true)
+ GC.verify_internal_consistency
+ queue.shift.call
+ end
+ EOS
+ rescue Timeout::Error => e
+ skip e.message
+ end
+ end
+
+ sizeof_long = [0].pack("l!").size
+ sizeof_voidp = [""].pack("p").size
+ if sizeof_long < sizeof_voidp
+ ARY_MAX = (1<<(8*sizeof_long-1)) / sizeof_voidp - 1
+ Bug11235 = '[ruby-dev:49043] [Bug #11235]'
+
+ def test_push_over_ary_max
+ assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 30)
+ begin;
+ a = Array.new(ARGV[0].to_i)
+ assert_raise(IndexError, ARGV[1]) {0x1000.times {a.push(1)}}
+ end;
+ end
+
+ def test_unshift_over_ary_max
+ assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ a = Array.new(ARGV[0].to_i)
+ assert_raise(IndexError, ARGV[1]) {0x1000.times {a.unshift(1)}}
+ end;
+ end
+
+ def test_splice_over_ary_max
+ assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ a = Array.new(ARGV[0].to_i)
+ assert_raise(IndexError, ARGV[1]) {a[0, 0] = Array.new(0x1000)}
+ end;
+ end
+ end
+
+ def test_dig
+ h = @cls[@cls[{a: 1}], 0]
+ assert_equal(1, h.dig(0, 0, :a))
+ assert_nil(h.dig(2, 0))
+ assert_raise(TypeError) {h.dig(1, 0)}
+ end
+
+ FIXNUM_MIN = RbConfig::LIMITS['FIXNUM_MIN']
+ FIXNUM_MAX = RbConfig::LIMITS['FIXNUM_MAX']
+
+ def assert_typed_equal(e, v, cls, msg=nil)
+ assert_kind_of(cls, v, msg)
+ assert_equal(e, v, msg)
+ end
+
+ def assert_int_equal(e, v, msg=nil)
+ assert_typed_equal(e, v, Integer, msg)
+ end
+
+ def assert_rational_equal(e, v, msg=nil)
+ assert_typed_equal(e, v, Rational, msg)
+ end
+
+ def assert_float_equal(e, v, msg=nil)
+ assert_typed_equal(e, v, Float, msg)
+ end
+
+ def assert_complex_equal(e, v, msg=nil)
+ assert_typed_equal(e, v, Complex, msg)
+ end
+
+ def test_sum
+ assert_int_equal(0, [].sum)
+ assert_int_equal(3, [3].sum)
+ assert_int_equal(8, [3, 5].sum)
+ assert_int_equal(15, [3, 5, 7].sum)
+ assert_rational_equal(8r, [3, 5r].sum)
+ assert_float_equal(15.0, [3, 5, 7.0].sum)
+ assert_float_equal(15.0, [3, 5r, 7.0].sum)
+ assert_complex_equal(8r + 1i, [3, 5r, 1i].sum)
+ assert_complex_equal(15.0 + 1i, [3, 5r, 7.0, 1i].sum)
+
+ assert_int_equal(2*FIXNUM_MAX, Array.new(2, FIXNUM_MAX).sum)
+ assert_int_equal(2*(FIXNUM_MAX+1), Array.new(2, FIXNUM_MAX+1).sum)
+ assert_int_equal(10*FIXNUM_MAX, Array.new(10, FIXNUM_MAX).sum)
+ assert_int_equal(0, ([FIXNUM_MAX, 1, -FIXNUM_MAX, -1]*10).sum)
+ assert_int_equal(FIXNUM_MAX*10, ([FIXNUM_MAX+1, -1]*10).sum)
+ assert_int_equal(2*FIXNUM_MIN, Array.new(2, FIXNUM_MIN).sum)
+
+ assert_float_equal(0.0, [].sum(0.0))
+ assert_float_equal(3.0, [3].sum(0.0))
+ assert_float_equal(3.5, [3].sum(0.5))
+ assert_float_equal(8.5, [3.5, 5].sum)
+ assert_float_equal(10.5, [2, 8.5].sum)
+ assert_float_equal((FIXNUM_MAX+1).to_f, [FIXNUM_MAX, 1, 0.0].sum)
+ assert_float_equal((FIXNUM_MAX+1).to_f, [0.0, FIXNUM_MAX+1].sum)
+
+ assert_rational_equal(3/2r, [1/2r, 1].sum)
+ assert_rational_equal(5/6r, [1/2r, 1/3r].sum)
+
+ assert_equal(2.0+3.0i, [2.0, 3.0i].sum)
+
+ assert_int_equal(13, [1, 2].sum(10))
+ assert_int_equal(16, [1, 2].sum(10) {|v| v * 2 })
+
+ yielded = []
+ three = SimpleDelegator.new(3)
+ ary = [1, 2.0, three]
+ assert_float_equal(12.0, ary.sum {|x| yielded << x; x * 2 })
+ assert_equal(ary, yielded)
+
+ assert_raise(TypeError) { [Object.new].sum }
+
+ large_number = 100000000
+ small_number = 1e-9
+ until (large_number + small_number) == large_number
+ small_number /= 10
+ end
+ assert_float_equal(large_number+(small_number*10), [large_number, *[small_number]*10].sum)
+ assert_float_equal(large_number+(small_number*10), [large_number/1r, *[small_number]*10].sum)
+ assert_float_equal(large_number+(small_number*11), [small_number, large_number/1r, *[small_number]*10].sum)
+ assert_float_equal(small_number, [large_number, small_number, -large_number].sum)
+ assert_equal(+Float::INFINITY, [+Float::INFINITY].sum)
+ assert_equal(+Float::INFINITY, [0.0, +Float::INFINITY].sum)
+ assert_equal(+Float::INFINITY, [+Float::INFINITY, 0.0].sum)
+ assert_equal(-Float::INFINITY, [-Float::INFINITY].sum)
+ assert_equal(-Float::INFINITY, [0.0, -Float::INFINITY].sum)
+ assert_equal(-Float::INFINITY, [-Float::INFINITY, 0.0].sum)
+ assert_predicate([-Float::INFINITY, Float::INFINITY].sum, :nan?)
+
+ assert_equal("abc", ["a", "b", "c"].sum(""))
+ assert_equal([1, [2], 3], [[1], [[2]], [3]].sum([]))
+
+ assert_raise(TypeError) {[0].sum("")}
+ assert_raise(TypeError) {[1].sum("")}
+ end
+
+ private
+ def need_continuation
+ unless respond_to?(:callcc, true)
+ EnvUtil.suppress_warning {require 'continuation'}
+ end
+ end
end
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