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Diffstat (limited to 'spec/ruby/core/string/new_spec.rb')
-rw-r--r-- | spec/ruby/core/string/new_spec.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/core/string/new_spec.rb b/spec/ruby/core/string/new_spec.rb new file mode 100644 index 0000000000..0a246f6f53 --- /dev/null +++ b/spec/ruby/core/string/new_spec.rb @@ -0,0 +1,58 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "String.new" do + it "returns an instance of String" do + str = String.new + str.should be_an_instance_of(String) + end + + ruby_version_is "2.3" do + it "accepts an encoding argument" do + xA4xA2 = [0xA4, 0xA2].pack('CC').force_encoding 'utf-8' + str = String.new(xA4xA2, encoding: 'euc-jp') + str.encoding.should == Encoding::EUC_JP + end + end + + it "returns a fully-formed String" do + str = String.new + str.size.should == 0 + str << "more" + str.should == "more" + end + + it "returns a new string given a string argument" do + str1 = "test" + str = String.new(str1) + str.should be_an_instance_of(String) + str.should == str1 + str << "more" + str.should == "testmore" + end + + it "returns an instance of a subclass" do + a = StringSpecs::MyString.new("blah") + a.should be_an_instance_of(StringSpecs::MyString) + a.should == "blah" + end + + it "is called on subclasses" do + s = StringSpecs::SubString.new + s.special.should == nil + s.should == "" + + s = StringSpecs::SubString.new "subclass" + s.special.should == "subclass" + s.should == "" + end + + it "raises TypeError on inconvertible object" do + lambda { String.new 5 }.should raise_error(TypeError) + lambda { String.new nil }.should raise_error(TypeError) + end + + it "returns a binary String" do + String.new.encoding.should == Encoding::BINARY + end +end |