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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commitc530d0faf064d561bf7755c55a34921572d343ef (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/string/chr_spec.rb
parent77eb1c94ee74f11ebf347f0539d3949b2cf4e2b3 (diff)
downloadruby-c530d0faf064d561bf7755c55a34921572d343ef.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/string/chr_spec.rb')
-rw-r--r--spec/ruby/core/string/chr_spec.rb44
1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/string/chr_spec.rb b/spec/ruby/core/string/chr_spec.rb
new file mode 100644
index 0000000000..c7834b78b7
--- /dev/null
+++ b/spec/ruby/core/string/chr_spec.rb
@@ -0,0 +1,44 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+with_feature :encoding do
+ describe "String#chr" do
+ it "returns a copy of self" do
+ s = 'e'
+ s.object_id.should_not == s.chr.object_id
+ end
+
+ it "returns a String" do
+ 'glark'.chr.should be_an_instance_of(String)
+ end
+
+ it "returns an empty String if self is an empty String" do
+ "".chr.should == ""
+ end
+
+ it "returns a 1-character String" do
+ "glark".chr.size.should == 1
+ end
+
+ it "returns the character at the start of the String" do
+ "Goodbye, world".chr.should == "G"
+ end
+
+ it "returns a String in the same encoding as self" do
+ "\x24".encode(Encoding::US_ASCII).chr.encoding.should == Encoding::US_ASCII
+ end
+
+ it "understands multi-byte characters" do
+ s = "\u{9879}"
+ s.bytesize.should == 3
+ s.chr.should == s
+ end
+
+ it "understands Strings that contain a mixture of character widths" do
+ three = "\u{8082}"
+ three.bytesize.should == 3
+ four = "\u{77082}"
+ four.bytesize.should == 4
+ "#{three}#{four}".chr.should == three
+ end
+ end
+end