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require_relative '../spec_helper'
describe "Source files" do
describe "encoded in UTF-8 without a BOM" do
it "can be parsed" do
ruby_exe(fixture(__FILE__, "utf8-nobom.rb"), args: "2>&1").should == "hello\n"
end
end
describe "encoded in UTF-8 with a BOM" do
it "can be parsed" do
ruby_exe(fixture(__FILE__, "utf8-bom.rb"), args: "2>&1").should == "hello\n"
end
end
describe "encoded in UTF-16 LE without a BOM" do
it "are parsed because empty as they contain a NUL byte before the encoding comment" do
ruby_exe(fixture(__FILE__, "utf16-le-nobom.rb"), args: "2>&1").should == ""
end
end
describe "encoded in UTF-16 LE with a BOM" do
it "are invalid because they contain an invalid UTF-8 sequence before the encoding comment" do
bom = "\xFF\xFE".b
source = "# encoding: utf-16le\nputs 'hello'\n"
source = bom + source.bytes.zip([0]*source.bytesize).flatten.pack('C*')
path = tmp("utf16-le-bom.rb")
touch(path, "wb") { |f| f.write source }
begin
ruby_exe(path, args: "2>&1").should =~ /invalid multibyte char/
ensure
rm_r path
end
end
end
describe "encoded in UTF-16 BE without a BOM" do
it "are parsed as empty because they contain a NUL byte before the encoding comment" do
ruby_exe(fixture(__FILE__, "utf16-be-nobom.rb"), args: "2>&1").should == ""
end
end
describe "encoded in UTF-16 BE with a BOM" do
it "are invalid because they contain an invalid UTF-8 sequence before the encoding comment" do
bom = "\xFE\xFF".b
source = "# encoding: utf-16be\nputs 'hello'\n"
source = bom + ([0]*source.bytesize).zip(source.bytes).flatten.pack('C*')
path = tmp("utf16-be-bom.rb")
touch(path, "wb") { |f| f.write source }
begin
ruby_exe(path, args: "2>&1").should =~ /invalid multibyte char/
ensure
rm_r path
end
end
end
end
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