diff options
Diffstat (limited to 'spec/ruby/core/io/getc_spec.rb')
-rw-r--r-- | spec/ruby/core/io/getc_spec.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/ruby/core/io/getc_spec.rb b/spec/ruby/core/io/getc_spec.rb new file mode 100644 index 0000000000..dfff1a9583 --- /dev/null +++ b/spec/ruby/core/io/getc_spec.rb @@ -0,0 +1,42 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#getc" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close if @io + end + + it "returns the next character from the stream" do + @io.readline.should == "Voici la ligne une.\n" + letters = @io.getc, @io.getc, @io.getc, @io.getc, @io.getc + letters.should == ["Q", "u", "i", " ", "รจ"] + end + + it "returns nil when invoked at the end of the stream" do + @io.read + @io.getc.should be_nil + end + + it "raises IOError on closed stream" do + lambda { IOSpecs.closed_io.getc }.should raise_error(IOError) + end +end + +describe "IO#getc" do + before :each do + @io = IOSpecs.io_fixture "empty.txt" + end + + after :each do + @io.close if @io + end + + it "returns nil on empty stream" do + @io.getc.should be_nil + end +end |