diff options
Diffstat (limited to 'spec/ruby/core/io/readline_spec.rb')
-rw-r--r-- | spec/ruby/core/io/readline_spec.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/spec/ruby/core/io/readline_spec.rb b/spec/ruby/core/io/readline_spec.rb index 7cb1601816..ca30f31e39 100644 --- a/spec/ruby/core/io/readline_spec.rb +++ b/spec/ruby/core/io/readline_spec.rb @@ -43,9 +43,40 @@ describe "IO#readline" do end end + describe "when passed limit" do + it "reads limit bytes" do + @io.readline(3).should == "Voi" + end + + it "returns an empty string when passed 0 as a limit" do + @io.readline(0).should == "" + end + end + + describe "when passed separator and limit" do + it "reads limit bytes till the separator" do + # Voici la ligne une.\ + @io.readline(" ", 4).should == "Voic" + @io.readline(" ", 4).should == "i " + @io.readline(" ", 4).should == "la " + @io.readline(" ", 4).should == "lign" + @io.readline(" ", 4).should == "e " + end + end + describe "when passed chomp" do it "returns the first line without a trailing newline character" do @io.readline(chomp: true).should == IOSpecs.lines_without_newline_characters[0] end + + ruby_version_is "3.0" do + it "raises exception when options passed as Hash" do + -> { @io.readline({ chomp: true }) }.should raise_error(TypeError) + + -> { + @io.readline("\n", 1, { chomp: true }) + }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)") + end + end end end |