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Diffstat (limited to 'spec/ruby/language/encoding_spec.rb')
-rw-r--r-- | spec/ruby/language/encoding_spec.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/language/encoding_spec.rb b/spec/ruby/language/encoding_spec.rb new file mode 100644 index 0000000000..070fa52bba --- /dev/null +++ b/spec/ruby/language/encoding_spec.rb @@ -0,0 +1,36 @@ +# -*- encoding: us-ascii -*- +require File.expand_path('../../spec_helper', __FILE__) +require File.expand_path('../fixtures/coding_us_ascii', __FILE__) +require File.expand_path('../fixtures/coding_utf_8', __FILE__) + +describe "The __ENCODING__ pseudo-variable" do + it "is an instance of Encoding" do + __ENCODING__.should be_kind_of(Encoding) + end + + it "is US-ASCII by default" do + __ENCODING__.should == Encoding::US_ASCII + end + + it "is the evaluated strings's one inside an eval" do + eval("__ENCODING__".force_encoding("US-ASCII")).should == Encoding::US_ASCII + eval("__ENCODING__".force_encoding("ASCII-8BIT")).should == Encoding::ASCII_8BIT + end + + it "is the encoding specified by a magic comment inside an eval" do + code = "# encoding: ASCII-8BIT\n__ENCODING__".force_encoding("US-ASCII") + eval(code).should == Encoding::ASCII_8BIT + + code = "# encoding: us-ascii\n__ENCODING__".force_encoding("ASCII-8BIT") + eval(code).should == Encoding::US_ASCII + end + + it "is the encoding specified by a magic comment in the file" do + CodingUS_ASCII.encoding.should == Encoding::US_ASCII + CodingUTF_8.encoding.should == Encoding::UTF_8 + end + + it "raises a SyntaxError if assigned to" do + lambda { eval("__ENCODING__ = 1") }.should raise_error(SyntaxError) + end +end |