diff options
Diffstat (limited to 'spec/ruby/core/io/readchar_spec.rb')
-rw-r--r-- | spec/ruby/core/io/readchar_spec.rb | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/io/readchar_spec.rb b/spec/ruby/core/io/readchar_spec.rb new file mode 100644 index 0000000000..6771fcab59 --- /dev/null +++ b/spec/ruby/core/io/readchar_spec.rb @@ -0,0 +1,44 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#readchar" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close unless @io.closed? + end + + it "returns the next string from the stream" do + @io.readchar.should == 'V' + @io.readchar.should == 'o' + @io.readchar.should == 'i' + # read the rest of line + @io.readline.should == "ci la ligne une.\n" + @io.readchar.should == 'Q' + end + + it "raises an EOFError when invoked at the end of the stream" do + @io.read + lambda { @io.readchar }.should raise_error(EOFError) + end + + it "raises IOError on closed stream" do + lambda { IOSpecs.closed_io.readchar }.should raise_error(IOError) + end +end + +describe "IO#readchar" do + before :each do + @io = IOSpecs.io_fixture "empty.txt" + end + + after :each do + @io.close unless @io.closed? + end + + it "raises EOFError on empty stream" do + lambda { @io.readchar }.should raise_error(EOFError) + end +end |