diff options
Diffstat (limited to 'spec')
-rw-r--r-- | spec/ruby/core/io/ungetbyte_spec.rb | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/spec/ruby/core/io/ungetbyte_spec.rb b/spec/ruby/core/io/ungetbyte_spec.rb index c22661582b..b7de1b7a6d 100644 --- a/spec/ruby/core/io/ungetbyte_spec.rb +++ b/spec/ruby/core/io/ungetbyte_spec.rb @@ -36,9 +36,25 @@ describe "IO#ungetbyte" do @io.getbyte.should == 97 end - it "puts back one byte for an Integer argument" do - @io.ungetbyte(4095).should be_nil - @io.getbyte.should == 255 + ruby_version_is ''...'2.6' do + it "puts back one byte for a Fixnum argument..." do + @io.ungetbyte(4095).should be_nil + @io.getbyte.should == 255 + end + + it "... but not for Bignum argument (eh?)" do + lambda { + @io.ungetbyte(0x4f7574206f6620636861722072616e6765) + }.should raise_error(TypeError) + end + end + + ruby_version_is '2.6' do + it "is an RangeError if the integr is not in 8bit" do + for i in [4095, 0x4f7574206f6620636861722072616e6765] do + lambda { @io.ungetbyte(i) }.should raise_error(RangeError) + end + end end it "raises an IOError if the IO is closed" do |