diff options
Diffstat (limited to 'spec/ruby/core/string/unpack/shared/basic.rb')
| -rw-r--r-- | spec/ruby/core/string/unpack/shared/basic.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/spec/ruby/core/string/unpack/shared/basic.rb b/spec/ruby/core/string/unpack/shared/basic.rb index bb5302edc5..734630bda0 100644 --- a/spec/ruby/core/string/unpack/shared/basic.rb +++ b/spec/ruby/core/string/unpack/shared/basic.rb @@ -8,6 +8,22 @@ describe :string_unpack_basic, shared: true do d.should_receive(:to_str).and_return("a"+unpack_format) "abc".unpack(d).should be_an_instance_of(Array) end + + ruby_version_is ""..."3.3" do + it "warns about using an unknown directive" do + -> { "abcdefgh".unpack("a R" + unpack_format) }.should complain(/unknown unpack directive 'R' in 'a R#{unpack_format}'/) + -> { "abcdefgh".unpack("a 0" + unpack_format) }.should complain(/unknown unpack directive '0' in 'a 0#{unpack_format}'/) + -> { "abcdefgh".unpack("a :" + unpack_format) }.should complain(/unknown unpack directive ':' in 'a :#{unpack_format}'/) + end + end + + ruby_version_is "3.3" do + it "raises ArgumentError when a directive is unknown" do + -> { "abcdefgh".unpack("a K" + unpack_format) }.should raise_error(ArgumentError, "unknown unpack directive 'K' in 'a K#{unpack_format}'") + -> { "abcdefgh".unpack("a 0" + unpack_format) }.should raise_error(ArgumentError, "unknown unpack directive '0' in 'a 0#{unpack_format}'") + -> { "abcdefgh".unpack("a :" + unpack_format) }.should raise_error(ArgumentError, "unknown unpack directive ':' in 'a :#{unpack_format}'") + end + end end describe :string_unpack_no_platform, shared: true do |