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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/string/swapcase_spec.rb | |
parent | 52df1d0d3370919711c0577aaa42d1a864709885 (diff) | |
download | ruby-a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5.tar.gz |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/core/string/swapcase_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/swapcase_spec.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/spec/rubyspec/core/string/swapcase_spec.rb b/spec/rubyspec/core/string/swapcase_spec.rb new file mode 100644 index 0000000000..0085887ae2 --- /dev/null +++ b/spec/rubyspec/core/string/swapcase_spec.rb @@ -0,0 +1,52 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes.rb', __FILE__) + +describe "String#swapcase" do + it "returns a new string with all uppercase chars from self converted to lowercase and vice versa" do + "Hello".swapcase.should == "hELLO" + "cYbEr_PuNk11".swapcase.should == "CyBeR_pUnK11" + "+++---111222???".swapcase.should == "+++---111222???" + end + + it "taints resulting string when self is tainted" do + "".taint.swapcase.tainted?.should == true + "hello".taint.swapcase.tainted?.should == true + end + + ruby_version_is ''...'2.4' do + it "is locale insensitive (only upcases a-z and only downcases A-Z)" do + "ÄÖÜ".swapcase.should == "ÄÖÜ" + "ärger".swapcase.should == "äRGER" + "BÄR".swapcase.should == "bÄr" + end + end + + it "returns subclass instances when called on a subclass" do + StringSpecs::MyString.new("").swapcase.should be_an_instance_of(StringSpecs::MyString) + StringSpecs::MyString.new("hello").swapcase.should be_an_instance_of(StringSpecs::MyString) + end +end + +describe "String#swapcase!" do + it "modifies self in place" do + a = "cYbEr_PuNk11" + a.swapcase!.should equal(a) + a.should == "CyBeR_pUnK11" + end + + it "returns nil if no modifications were made" do + a = "+++---111222???" + a.swapcase!.should == nil + a.should == "+++---111222???" + + "".swapcase!.should == nil + end + + it "raises a RuntimeError when self is frozen" do + ["", "hello"].each do |a| + a.freeze + lambda { a.swapcase! }.should raise_error(RuntimeError) + end + end +end |