summaryrefslogtreecommitdiff
path: root/spec/ruby/core/enumerator/produce_spec.rb
diff options
context:
space:
mode:
Diffstat (limited to 'spec/ruby/core/enumerator/produce_spec.rb')
-rw-r--r--spec/ruby/core/enumerator/produce_spec.rb48
1 files changed, 23 insertions, 25 deletions
diff --git a/spec/ruby/core/enumerator/produce_spec.rb b/spec/ruby/core/enumerator/produce_spec.rb
index f6f1dcd429..c69fb49303 100644
--- a/spec/ruby/core/enumerator/produce_spec.rb
+++ b/spec/ruby/core/enumerator/produce_spec.rb
@@ -1,36 +1,34 @@
require_relative '../../spec_helper'
-ruby_version_is "2.7" do
- describe "Enumerator.produce" do
- it "creates an infinite enumerator" do
- enum = Enumerator.produce(0) { |prev| prev + 1 }
- enum.take(5).should == [0, 1, 2, 3, 4]
- end
-
- it "terminates iteration when block raises StopIteration exception" do
- enum = Enumerator.produce(0) do | prev|
- raise StopIteration if prev >= 2
- prev + 1
- end
+describe "Enumerator.produce" do
+ it "creates an infinite enumerator" do
+ enum = Enumerator.produce(0) { |prev| prev + 1 }
+ enum.take(5).should == [0, 1, 2, 3, 4]
+ end
- enum.to_a.should == [0, 1, 2]
+ it "terminates iteration when block raises StopIteration exception" do
+ enum = Enumerator.produce(0) do | prev|
+ raise StopIteration if prev >= 2
+ prev + 1
end
- context "when initial value skipped" do
- it "uses nil instead" do
- ScratchPad.record []
- enum = Enumerator.produce { |prev| ScratchPad << prev; (prev || 0) + 1 }
+ enum.to_a.should == [0, 1, 2]
+ end
+
+ context "when initial value skipped" do
+ it "uses nil instead" do
+ ScratchPad.record []
+ enum = Enumerator.produce { |prev| ScratchPad << prev; (prev || 0) + 1 }
- enum.take(3).should == [1, 2, 3]
- ScratchPad.recorded.should == [nil, 1, 2]
- end
+ enum.take(3).should == [1, 2, 3]
+ ScratchPad.recorded.should == [nil, 1, 2]
+ end
- it "starts enumerable from result of first block call" do
- array = "a\nb\nc\nd".lines
- lines = Enumerator.produce { array.shift }.take_while { |s| s }
+ it "starts enumerable from result of first block call" do
+ array = "a\nb\nc\nd".lines
+ lines = Enumerator.produce { array.shift }.take_while { |s| s }
- lines.should == ["a\n", "b\n", "c\n", "d"]
- end
+ lines.should == ["a\n", "b\n", "c\n", "d"]
end
end
end