diff options
Diffstat (limited to 'spec/ruby/core/argf/shared/each_char.rb')
-rw-r--r-- | spec/ruby/core/argf/shared/each_char.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/core/argf/shared/each_char.rb b/spec/ruby/core/argf/shared/each_char.rb new file mode 100644 index 0000000000..9e333ecc5b --- /dev/null +++ b/spec/ruby/core/argf/shared/each_char.rb @@ -0,0 +1,58 @@ +describe :argf_each_char, shared: true do + before :each do + @file1_name = fixture __FILE__, "file1.txt" + @file2_name = fixture __FILE__, "file2.txt" + + @chars = [] + File.read(@file1_name).each_char { |c| @chars << c } + File.read(@file2_name).each_char { |c| @chars << c } + end + + it "yields each char of all streams to the passed block" do + argf [@file1_name, @file2_name] do + chars = [] + @argf.send(@method) { |c| chars << c } + chars.should == @chars + end + end + + it "returns self when passed a block" do + argf [@file1_name, @file2_name] do + @argf.send(@method) {}.should equal(@argf) + end + end + + it "returns an Enumerator when passed no block" do + argf [@file1_name, @file2_name] do + enum = @argf.send(@method) + enum.should be_an_instance_of(Enumerator) + + chars = [] + enum.each { |c| chars << c } + chars.should == @chars + end + end + + describe "when no block is given" do + it "returns an Enumerator" do + argf [@file1_name, @file2_name] do + enum = @argf.send(@method) + enum.should be_an_instance_of(Enumerator) + + chars = [] + enum.each { |c| chars << c } + chars.should == @chars + end + end + + describe "returned Enumerator" do + describe "size" do + it "should return nil" do + argf [@file1_name, @file2_name] do + @argf.send(@method).size.should == nil + end + end + end + end + end +end |