diff options
Diffstat (limited to 'spec/ruby/core/io/readlines_spec.rb')
-rw-r--r-- | spec/ruby/core/io/readlines_spec.rb | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/spec/ruby/core/io/readlines_spec.rb b/spec/ruby/core/io/readlines_spec.rb index 254f2927b5..3a6ff3d0f3 100644 --- a/spec/ruby/core/io/readlines_spec.rb +++ b/spec/ruby/core/io/readlines_spec.rb @@ -101,6 +101,36 @@ describe "IO#readlines" do @io.readlines(obj).should == IOSpecs.lines_r_separator end end + + describe "when passed limit" do + it "raises ArgumentError when passed 0 as a limit" do + -> { @io.readlines(0) }.should raise_error(ArgumentError) + end + + it "does not accept Integers that don't fit in a C off_t" do + -> { @io.readlines(2**128) }.should raise_error(RangeError) + end + end + + describe "when passed chomp" do + it "returns the first line without a trailing newline character" do + @io.readlines(chomp: true).should == IOSpecs.lines_without_newline_characters + end + + it "raises exception when options passed as Hash" do + -> { @io.readlines({ chomp: true }) }.should raise_error(TypeError) + + -> { + @io.readlines("\n", 1, { chomp: true }) + }.should raise_error(ArgumentError, "wrong number of arguments (given 3, expected 0..2)") + end + end + + describe "when passed arbitrary keyword argument" do + it "tolerates it" do + @io.readlines(chomp: true, foo: :bar).should == IOSpecs.lines_without_newline_characters + end + end end describe "IO#readlines" do @@ -150,13 +180,20 @@ describe "IO.readlines" do platform_is :windows do cmd = "|cmd.exe /C echo hello&echo line2" end - lines = IO.readlines(cmd) + + lines = nil + suppress_warning do # https://bugs.ruby-lang.org/issues/19630 + lines = IO.readlines(cmd) + end lines.should == ["hello\n", "line2\n"] end platform_is_not :windows do it "gets data from a fork when passed -" do - lines = IO.readlines("|-") + lines = nil + suppress_warning do # https://bugs.ruby-lang.org/issues/19630 + lines = IO.readlines("|-") + end if lines # parent lines.should == ["hello\n", "from a fork\n"] @@ -169,6 +206,16 @@ describe "IO.readlines" do end end + ruby_version_is "3.3" do + # https://bugs.ruby-lang.org/issues/19630 + it "warns about deprecation given a path with a pipe" do + cmd = "|echo ok" + -> { + IO.readlines(cmd) + }.should complain(/IO process creation with a leading '\|'/) + end + end + it_behaves_like :io_readlines, :readlines it_behaves_like :io_readlines_options_19, :readlines end |