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Bug #13675 ยป io-ungetc-nil-13675.patch

jeremyevans0 (Jeremy Evans), 08/25/2019 06:28 PM

View differences:

io.c
GetOpenFile(io, fptr);
rb_io_check_char_readable(fptr);
if (NIL_P(c)) return Qnil;
if (FIXNUM_P(c)) {
c = rb_enc_uint_chr(FIX2UINT(c), io_read_encoding(fptr));
}
spec/ruby/core/io/ungetc_spec.rb
-> { @io.sysread(1) }.should raise_error(IOError)
end
it "does not affect the stream and returns nil when passed nil" do
@io.getc.should == ?V
@io.ungetc(nil)
@io.getc.should == ?o
ruby_version_is "0"..."2.7" do
it "does not affect the stream and returns nil when passed nil" do
@io.getc.should == ?V
@io.ungetc(nil)
@io.getc.should == ?o
end
end
ruby_version_is "2.7" do
it "raises TypeError if passed nil" do
@io.getc.should == ?V
proc{@io.ungetc(nil)}.should raise_error(TypeError)
end
end
it "puts one or more characters back in the stream" do
    (1-1/1)