diff options
Diffstat (limited to 'spec/ruby/core/string/rstrip_spec.rb')
-rw-r--r-- | spec/ruby/core/string/rstrip_spec.rb | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/spec/ruby/core/string/rstrip_spec.rb b/spec/ruby/core/string/rstrip_spec.rb index 57e1867956..6d46eb590e 100644 --- a/spec/ruby/core/string/rstrip_spec.rb +++ b/spec/ruby/core/string/rstrip_spec.rb @@ -1,25 +1,29 @@ +# frozen_string_literal: false require_relative '../../spec_helper' require_relative 'fixtures/classes' +require_relative 'shared/strip' describe "String#rstrip" do + it_behaves_like :string_strip, :rstrip + it "returns a copy of self with trailing whitespace removed" do " hello ".rstrip.should == " hello" " hello world ".rstrip.should == " hello world" " hello world \n\r\t\n\v\r".rstrip.should == " hello world" "hello".rstrip.should == "hello" "hello\x00".rstrip.should == "hello" + "こにちわ ".rstrip.should == "こにちわ" end - it "returns a copy of self with all trailing whitespace and NULL bytes removed" do - "\x00 \x00hello\x00 \x00".rstrip.should == "\x00 \x00hello" + it "works with lazy substrings" do + " hello "[1...-1].rstrip.should == " hello" + " hello world "[1...-1].rstrip.should == " hello world" + " hello world \n\r\t\n\v\r"[1...-1].rstrip.should == " hello world" + " こにちわ "[1...-1].rstrip.should == "こにちわ" end - ruby_version_is ''...'2.7' do - it "taints the result when self is tainted" do - "".taint.rstrip.should.tainted? - "ok".taint.rstrip.should.tainted? - "ok ".taint.rstrip.should.tainted? - end + it "returns a copy of self with all trailing whitespace and NULL bytes removed" do + "\x00 \x00hello\x00 \x00".rstrip.should == "\x00 \x00hello" end end @@ -42,6 +46,18 @@ describe "String#rstrip!" do a.should == "hello" end + it "makes a string empty if it is only whitespace" do + "".rstrip!.should == nil + " ".rstrip.should == "" + " ".rstrip.should == "" + end + + it "removes trailing NULL bytes and whitespace" do + a = "\000 goodbye \000" + a.rstrip! + a.should == "\000 goodbye" + end + it "raises a FrozenError on a frozen instance that is modified" do -> { " hello ".freeze.rstrip! }.should raise_error(FrozenError) end @@ -51,4 +67,28 @@ describe "String#rstrip!" do -> { "hello".freeze.rstrip! }.should raise_error(FrozenError) -> { "".freeze.rstrip! }.should raise_error(FrozenError) end + + ruby_version_is "3.2" do + it "raises an Encoding::CompatibilityError if the last non-space codepoint is invalid" do + s = "abc\xDF".force_encoding(Encoding::UTF_8) + s.valid_encoding?.should be_false + -> { s.rstrip! }.should raise_error(Encoding::CompatibilityError) + + s = "abc\xDF ".force_encoding(Encoding::UTF_8) + s.valid_encoding?.should be_false + -> { s.rstrip! }.should raise_error(Encoding::CompatibilityError) + end + end + + ruby_version_is ""..."3.2" do + it "raises an ArgumentError if the last non-space codepoint is invalid" do + s = "abc\xDF".force_encoding(Encoding::UTF_8) + s.valid_encoding?.should be_false + -> { s.rstrip! }.should raise_error(ArgumentError) + + s = "abc\xDF ".force_encoding(Encoding::UTF_8) + s.valid_encoding?.should be_false + -> { s.rstrip! }.should raise_error(ArgumentError) + end + end end |