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