diff options
Diffstat (limited to 'spec/ruby/core/string/lstrip_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/lstrip_spec.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/spec/ruby/core/string/lstrip_spec.rb b/spec/ruby/core/string/lstrip_spec.rb index 6e868eac4f..02bc6b4322 100644 --- a/spec/ruby/core/string/lstrip_spec.rb +++ b/spec/ruby/core/string/lstrip_spec.rb @@ -50,4 +50,10 @@ describe "String#lstrip!" do -> { "hello".freeze.lstrip! }.should raise_error(FrozenError) -> { "".freeze.lstrip! }.should raise_error(FrozenError) end + + it "raises an ArgumentError if the first codepoint is invalid" do + s = "\xDFabc".force_encoding(Encoding::UTF_8) + s.valid_encoding?.should be_false + -> { s.lstrip! }.should raise_error(ArgumentError) + end end |