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ruby--ruby/spec/ruby/language/encoding_spec.rb
2019-07-27 12:40:09 +02:00

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Ruby

# -*- encoding: us-ascii -*-
require_relative '../spec_helper'
require_relative 'fixtures/coding_us_ascii'
require_relative 'fixtures/coding_utf_8'
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("BINARY")).should == Encoding::BINARY
end
it "is the encoding specified by a magic comment inside an eval" do
code = "# encoding: BINARY\n__ENCODING__".force_encoding("US-ASCII")
eval(code).should == Encoding::BINARY
code = "# encoding: us-ascii\n__ENCODING__".force_encoding("BINARY")
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
-> { eval("__ENCODING__ = 1") }.should raise_error(SyntaxError)
end
end