diff options
Diffstat (limited to 'spec/ruby/library/stringio/shared/each_char.rb')
-rw-r--r-- | spec/ruby/library/stringio/shared/each_char.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/shared/each_char.rb b/spec/ruby/library/stringio/shared/each_char.rb new file mode 100644 index 0000000000..35efdcb749 --- /dev/null +++ b/spec/ruby/library/stringio/shared/each_char.rb @@ -0,0 +1,36 @@ +# -*- encoding: utf-8 -*- +describe :stringio_each_char, shared: true do + before :each do + @io = StringIO.new("xyz äöü") + end + + it "yields each character code in turn" do + seen = [] + @io.send(@method) { |c| seen << c } + seen.should == ["x", "y", "z", " ", "ä", "ö", "ü"] + end + + it "returns self" do + @io.send(@method) {}.should equal(@io) + end + + it "returns an Enumerator when passed no block" do + enum = @io.send(@method) + enum.instance_of?(Enumerator).should be_true + + seen = [] + enum.each { |c| seen << c } + seen.should == ["x", "y", "z", " ", "ä", "ö", "ü"] + end +end + +describe :stringio_each_char_not_readable, shared: true do + it "raises an IOError" do + io = StringIO.new("xyz", "w") + lambda { io.send(@method) { |b| b } }.should raise_error(IOError) + + io = StringIO.new("xyz") + io.close_read + lambda { io.send(@method) { |b| b } }.should raise_error(IOError) + end +end |