diff options
Diffstat (limited to 'spec/rubyspec/core/string/force_encoding_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/force_encoding_spec.rb | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/spec/rubyspec/core/string/force_encoding_spec.rb b/spec/rubyspec/core/string/force_encoding_spec.rb new file mode 100644 index 0000000000..d163c75ac3 --- /dev/null +++ b/spec/rubyspec/core/string/force_encoding_spec.rb @@ -0,0 +1,53 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +with_feature :encoding do + describe "String#force_encoding" do + it "accepts a String as the name of an Encoding" do + "abc".force_encoding('shift_jis').encoding.should == Encoding::Shift_JIS + end + + it "accepts an Encoding instance" do + "abc".force_encoding(Encoding::SHIFT_JIS).encoding.should == Encoding::Shift_JIS + end + + it "calls #to_str to convert an object to an encoding name" do + obj = mock("force_encoding") + obj.should_receive(:to_str).and_return("utf-8") + + "abc".force_encoding(obj).encoding.should == Encoding::UTF_8 + end + + it "raises a TypeError if #to_str does not return a String" do + obj = mock("force_encoding") + obj.should_receive(:to_str).and_return(1) + + lambda { "abc".force_encoding(obj) }.should raise_error(TypeError) + end + + it "raises a TypeError if passed nil" do + lambda { "abc".force_encoding(nil) }.should raise_error(TypeError) + end + + it "returns self" do + str = "abc" + str.force_encoding('utf-8').should equal(str) + end + + it "sets the encoding even if the String contents are invalid in that encoding" do + str = "\u{9765}" + str.force_encoding('euc-jp') + str.encoding.should == Encoding::EUC_JP + str.valid_encoding?.should be_false + end + + it "does not transcode self" do + str = "\u{8612}" + str.dup.force_encoding('utf-16le').should_not == str.encode('utf-16le') + end + + it "raises a RuntimeError if self is frozen" do + str = "abcd".freeze + lambda { str.force_encoding(str.encoding) }.should raise_error(RuntimeError) + end + end +end |