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require File.expand_path('../../spec_helper', __FILE__)
describe "Magic comment" do
it "is optional" do
eval("__ENCODING__").should be_an_instance_of(Encoding)
end
it "determines __ENCODING__" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
# encoding: ASCII-8BIT
__ENCODING__
EOS
end
it "is case-insensitive" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
# CoDiNg: aScIi-8bIt
__ENCODING__
EOS
end
it "must be at the first line" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::US_ASCII
# encoding: ASCII-8BIT
__ENCODING__
EOS
end
it "must be the first token of the line" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::US_ASCII
1+1 # encoding: ASCII-8BIT
__ENCODING__
EOS
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
# encoding: ASCII-8BIT
__ENCODING__
EOS
end
it "can be after the shebang" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
#!/usr/bin/ruby -Ku
# encoding: ASCII-8BIT
__ENCODING__
EOS
end
it "can take Emacs style" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
# -*- encoding: ascii-8bit -*-
__ENCODING__
EOS
end
it "can take vim style" do
eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT
# vim: filetype=ruby, fileencoding=ascii-8bit, tabsize=3, shiftwidth=3
__ENCODING__
EOS
end
end
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