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-rw-r--r--test/ruby/test_array.rb907
1 files changed, 858 insertions, 49 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 4c7c3dfb6d..6170e916ac 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1,6 +1,17 @@
require 'test/unit'
+require_relative 'envutil'
class TestArray < Test::Unit::TestCase
+ def setup
+ @verbose = $VERBOSE
+ $VERBOSE = nil
+ @cls = Array
+ end
+
+ def teardown
+ $VERBOSE = @verbose
+ end
+
def test_0_literal
assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
assert_equal([1, 2, 1, 2], [1, 2] * 2)
@@ -64,7 +75,7 @@ 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(":"))
@@ -115,27 +126,27 @@ 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 +187,6 @@ class TestArray < Test::Unit::TestCase
# From rubicon
- def setup
- @cls = Array
- end
-
def test_00_new
a = @cls.new()
assert_instance_of(@cls, a)
@@ -312,7 +319,7 @@ 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.
@@ -445,16 +452,20 @@ class TestArray < Test::Unit::TestCase
def test_clone
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.clone
-
- assert_equal(a, b)
- assert(a.__id__ != b.__id__)
- assert_equal(a.frozen?, b.frozen?)
- assert_equal(a.tainted?, b.tainted?)
+ 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(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
@@ -466,7 +477,10 @@ class TestArray < Test::Unit::TestCase
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
end
# also update map!
@@ -474,7 +488,7 @@ class TestArray < Test::Unit::TestCase
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)
@@ -522,10 +536,13 @@ class TestArray < Test::Unit::TestCase
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
@@ -695,10 +712,22 @@ class TestArray < Test::Unit::TestCase
a5 = @cls[ a1, @cls[], a3 ]
assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten)
assert_equal(@cls[], @cls[].flatten)
- assert_equal(@cls[],
+ 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!
@@ -711,11 +740,14 @@ 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)
assert_equal(@cls[], @cls[].flatten)
- assert_equal(@cls[],
+ 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
@@ -732,6 +764,91 @@ class TestArray < Test::Unit::TestCase
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' ]
@@ -757,6 +874,8 @@ 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
@@ -771,6 +890,7 @@ 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]
@@ -788,6 +908,14 @@ class TestArray < Test::Unit::TestCase
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?)
+ ensure
+ $, = nil
end
def test_last
@@ -809,7 +937,7 @@ class TestArray < Test::Unit::TestCase
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)
@@ -819,14 +947,6 @@ 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 +978,17 @@ 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";
@@ -969,6 +1089,13 @@ 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(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
@@ -1012,6 +1139,8 @@ 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 +1191,7 @@ 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 +1237,9 @@ 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 +1250,11 @@ 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 +1271,43 @@ 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
+ 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
@@ -1155,43 +1326,163 @@ 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_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
@@ -1213,7 +1504,7 @@ class TestArray < Test::Unit::TestCase
assert_equal(@cls[1,2], @cls[1, 2] | @cls[1, 2])
end
- def test_combination
+ 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)
@@ -1228,10 +1519,26 @@ 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 }
+ assert(a.all?{|x| !x.include?(0) })
end
def test_permutation
@@ -1248,6 +1555,65 @@ 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)
+ 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
@@ -1269,4 +1635,447 @@ 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
+
+ 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([], a.values_at(7..8))
+ 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(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
+
+ 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
+ end
+
+ def test_sample
+ 100.times do
+ assert([0, 1, 2].include?([2, 1, 0].sample))
+ samples = [2, 1, 0].sample(2)
+ samples.each{|sample|
+ assert([0, 1, 2].include?(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.uniq.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)}
+ 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_nothing_raised do
+ (0..100).to_a.combination(50) { break }
+ end
+ 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) }
+ 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 array/, e.message)
+ a = [1,2,3]
+ assert_raise(ArgumentError) { a.rotate!(1, 1) }
+ end
end