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-rw-r--r--mrbgems/mruby-enumerator/mrblib/enumerator.rb20
-rw-r--r--mrbgems/mruby-enumerator/test/enumerator.rb105
-rw-r--r--mrblib/array.rb4
3 files changed, 115 insertions, 14 deletions
diff --git a/mrbgems/mruby-enumerator/mrblib/enumerator.rb b/mrbgems/mruby-enumerator/mrblib/enumerator.rb
index 176ae661c..912683ed9 100644
--- a/mrbgems/mruby-enumerator/mrblib/enumerator.rb
+++ b/mrbgems/mruby-enumerator/mrblib/enumerator.rb
@@ -156,10 +156,10 @@ class Enumerator
return to_enum :with_index, offset unless block_given?
raise TypeError, "no implicit conversion of #{offset.class} into Integer" unless offset.respond_to?(:to_int)
- n = offset.to_int
- each do |i|
- yield [i,n]
+ n = offset.to_int - 1
+ enumerator_block_call do |i|
n += 1
+ yield [i,n]
end
end
@@ -206,9 +206,9 @@ class Enumerator
# # => foo:2
#
def with_object object
- return to_enum :with_object, offset unless block_given?
+ return to_enum :with_object, object unless block_given?
- each do |i|
+ enumerator_block_call do |i|
yield [i,object]
end
object
@@ -255,6 +255,7 @@ class Enumerator
# enum.each(:y, :z) { |elm| elm } #=> :method_returned
#
def each *argv, &block
+ obj = self
if 0 < argv.length
obj = self.dup
args = obj.args
@@ -264,11 +265,16 @@ class Enumerator
else
args = argv.dup
end
- @args = args
+ obj.args = args
end
- return self unless block_given?
+ return obj unless block_given?
+ enumerator_block_call(&block)
+ end
+
+ def enumerator_block_call(&block)
@obj.__send__ @meth, *@args, &block
end
+ private :enumerator_block_call
##
# call-seq:
diff --git a/mrbgems/mruby-enumerator/test/enumerator.rb b/mrbgems/mruby-enumerator/test/enumerator.rb
index c790c1367..4ab857ae8 100644
--- a/mrbgems/mruby-enumerator/test/enumerator.rb
+++ b/mrbgems/mruby-enumerator/test/enumerator.rb
@@ -72,6 +72,21 @@ assert 'Enumerator#with_object' do
assert_equal([55, 3628800], ret)
end
+assert 'Enumerator#with_object arguments' do
+ to_three = Enumerator.new do |y|
+ 3.times do |x|
+ y << x
+ end
+ end
+
+ a = []
+ to_three_with_string = to_three.with_object("foo")
+ to_three_with_string.each do |x,string|
+ a << "#{string}:#{x}"
+ end
+ assert_equal ["foo:0","foo:1","foo:2"], a
+end
+
assert 'Enumerator#inspect' do
e = (0..10).each
assert_equal("#<Enumerator: 0..10:each>", e.inspect)
@@ -89,6 +104,27 @@ assert 'Enumerator#each' do
assert_equal([1], ary)
end
+assert 'Enumerator#each arguments' do
+ obj = Object.new
+
+ def obj.each_arg(a, b=:b, *rest)
+ yield a
+ yield b
+ yield rest
+ :method_returned
+ end
+
+ enum = obj.to_enum :each_arg, :a, :x
+
+ assert_equal [:a, :x, []], enum.each.to_a
+ assert_true enum.each.equal?(enum)
+ assert_equal :method_returned, enum.each { |elm| elm }
+
+ assert_equal [:a, :x, [:y, :z]], enum.each(:y, :z).to_a
+ assert_false enum.each(:y, :z).equal?(enum)
+ assert_equal :method_returned, enum.each(:y, :z) { |elm| elm }
+end
+
assert 'Enumerator#next' do
e = 3.times
3.times { |i|
@@ -379,8 +415,8 @@ assert 'Kernel#to_enum' do
assert_raise(ArgumentError){ nil.to_enum }
end
-
assert 'modifying existing methods' do
+ assert_equal Enumerator, loop.class
e = 3.times
i = 0
loop_ret = loop {
@@ -388,11 +424,66 @@ assert 'modifying existing methods' do
i += 1
}
assert_nil loop_ret
+end
- assert_equal Enumerator, loop.class
- assert_equal Enumerator, 3.times.class
- assert_equal Enumerator, [].each.class
- assert_equal Enumerator, [].map.class
- assert_equal Enumerator, {a:1}.each.class
- assert_equal Enumerator, (1..5).each.class
+assert 'Integral#times' do
+ a = 3
+ b = a.times
+ c = []
+ b.with_object(c) do |i, obj|
+ obj << i
+ end
+ assert_equal 3, a
+ assert_equal Enumerator, b.class
+ assert_equal [0,1,2], c
+end
+
+assert 'Enumerable#map' do
+ a = [1,2,3]
+ b = a.map
+ c = b.with_index do |i, index|
+ [i*i, index*index]
+ end
+ assert_equal [1,2,3], a
+ assert_equal [[1,0],[4,1],[9,4]], c
+end
+
+assert 'Array#each_index' do
+ a = [1,2,3]
+ b = a.each_index
+ c = []
+ b.with_index do |index1,index2|
+ c << [index1+2,index2+5]
+ end
+ assert_equal [1,2,3], a
+ assert_equal [[2,5],[3,6],[4,7]], c
+end
+
+assert 'Array#map!' do
+ a = [1,2,3]
+ b = a.map!
+ b.with_index do |i, index|
+ [i*i, index*index]
+ end
+ assert_equal [[1,0],[4,1],[9,4]], a
+end
+
+assert 'Hash#each' do
+ a = {a:1,b:2}
+ b = a.each
+ c = []
+ b.each do |k,v|
+ c << [k,v]
+ end
+ assert_equal [[:a,1], [:b,2]], c.sort
+end
+
+assert 'Range#each' do
+ a = (1..5)
+ b = a.each
+ c = []
+ b.each do |i|
+ c << i
+ end
+ assert_equal [1,2,3,4,5], c
end
diff --git a/mrblib/array.rb b/mrblib/array.rb
index 9141146e5..aa50ac181 100644
--- a/mrblib/array.rb
+++ b/mrblib/array.rb
@@ -31,6 +31,8 @@ class Array
#
# ISO 15.2.12.5.11
def each_index(&block)
+ return to_enum :each_index unless block_given?
+
idx = 0
while(idx < length)
block.call(idx)
@@ -46,6 +48,8 @@ class Array
#
# ISO 15.2.12.5.7
def collect!(&block)
+ return to_enum :collect! unless block_given?
+
self.each_index{|idx|
self[idx] = block.call(self[idx])
}