spec/io_spec.rb in bindata-1.4.0 vs spec/io_spec.rb in bindata-1.4.1

@@ -37,10 +37,14 @@
 
   it "should seek" do
     @io.seekbytes(4999)
     @io.readbytes(5).should == "abbbb"
   end
+
+  it "should return zero for num bytes remaining" do
+    @io.num_bytes_remaining.should == 0
+  end
 end
 
 describe BinData::IO, "when reading" do
   let(:stream) { StringIO.new "abcdefghij" }
   let(:io) { BinData::IO.new(stream) }
@@ -72,9 +76,16 @@
     io.readbytes(4).should == "cdef"
   end
 
   it "should read all bytes" do
     io.read_all_bytes.should == "abcdefghij"
+  end
+
+  it "should return number of bytes remaining" do
+    stream_length = io.num_bytes_remaining
+
+    io.readbytes(4)
+    io.num_bytes_remaining.should == stream_length - 4
   end
 
   it "should raise error when reading at eof" do
     io.seekbytes(10)
     lambda {