diff options
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 | 95e8c48dd3348503a8c7db5d0498894a1b676395 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/string/plus_spec.rb | |
parent | ed7d803500de38186c74bce94d233e85ef51e503 (diff) |
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/plus_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/plus_spec.rb | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/spec/rubyspec/core/string/plus_spec.rb b/spec/rubyspec/core/string/plus_spec.rb new file mode 100644 index 0000000000..addc8873eb --- /dev/null +++ b/spec/rubyspec/core/string/plus_spec.rb @@ -0,0 +1,47 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/concat', __FILE__) + +describe "String#+" do + it "returns a new string containing the given string concatenated to self" do + ("" + "").should == "" + ("" + "Hello").should == "Hello" + ("Hello" + "").should == "Hello" + ("Ruby !" + "= Rubinius").should == "Ruby != Rubinius" + end + + it "converts any non-String argument with #to_str" do + c = mock 'str' + c.should_receive(:to_str).any_number_of_times.and_return(' + 1 = 2') + + ("1" + c).should == '1 + 1 = 2' + end + + it "raises a TypeError when given any object that fails #to_str" do + lambda { "" + Object.new }.should raise_error(TypeError) + lambda { "" + 65 }.should raise_error(TypeError) + end + + it "doesn't return subclass instances" do + (StringSpecs::MyString.new("hello") + "").should be_an_instance_of(String) + (StringSpecs::MyString.new("hello") + "foo").should be_an_instance_of(String) + (StringSpecs::MyString.new("hello") + StringSpecs::MyString.new("foo")).should be_an_instance_of(String) + (StringSpecs::MyString.new("hello") + StringSpecs::MyString.new("")).should be_an_instance_of(String) + (StringSpecs::MyString.new("") + StringSpecs::MyString.new("")).should be_an_instance_of(String) + ("hello" + StringSpecs::MyString.new("foo")).should be_an_instance_of(String) + ("hello" + StringSpecs::MyString.new("")).should be_an_instance_of(String) + end + + it "taints the result when self or other is tainted" do + strs = ["", "OK", StringSpecs::MyString.new(""), StringSpecs::MyString.new("OK")] + strs += strs.map { |s| s.dup.taint } + + strs.each do |str| + strs.each do |other| + (str + other).tainted?.should == (str.tainted? | other.tainted?) + end + end + end + + it_behaves_like :string_concat_encoding, :+ +end |