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# -*- encoding: us-ascii -*-
require_relative '../../spec_helper'
require_relative 'fixtures/iso-8859-9-encoding'
describe "String#encoding" do
it "returns an Encoding object" do
String.new.encoding.should be_an_instance_of(Encoding)
end
it "is equal to the source encoding by default" do
s = StringSpecs::ISO88599Encoding.new
s.cedilla.encoding.should == s.source_encoding
end
it "returns the given encoding if #force_encoding has been called" do
"a".force_encoding(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
end
it "returns the given encoding if #encode!has been called" do
"a".encode!(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
end
end
describe "String#encoding for US-ASCII Strings" do
it "returns US-ASCII if self is US-ASCII" do
"a".encoding.should == Encoding::US_ASCII
end
it "returns US-ASCII if self is US-ASCII only, despite the default internal encoding being different" do
default_internal = Encoding.default_internal
Encoding.default_internal = Encoding::UTF_8
"a".encoding.should == Encoding::US_ASCII
Encoding.default_internal = default_internal
end
it "returns US-ASCII if self is US-ASCII only, despite the default external encoding being different" do
default_external = Encoding.default_external
Encoding.default_external = Encoding::UTF_8
"a".encoding.should == Encoding::US_ASCII
Encoding.default_external = default_external
end
it "returns US-ASCII if self is US-ASCII only, despite the default internal and external encodings being different" do
default_internal = Encoding.default_internal
default_external = Encoding.default_external
Encoding.default_internal = Encoding::UTF_8
Encoding.default_external = Encoding::UTF_8
"a".encoding.should == Encoding::US_ASCII
Encoding.default_external = default_external
Encoding.default_internal = default_internal
end
it "returns US-ASCII if self is US-ASCII only, despite the default encodings being different" do
default_internal = Encoding.default_internal
default_external = Encoding.default_external
Encoding.default_internal = Encoding::UTF_8
Encoding.default_external = Encoding::UTF_8
"a".encoding.should == Encoding::US_ASCII
Encoding.default_external = default_external
Encoding.default_internal = default_internal
end
end
describe "String#encoding for Strings with \\u escapes" do
it "returns UTF-8" do
"\u{4040}".encoding.should == Encoding::UTF_8
end
it "returns US-ASCII if self is US-ASCII only" do
s = "\u{40}"
s.ascii_only?.should be_true
s.encoding.should == Encoding::US_ASCII
end
it "returns UTF-8 if self isn't US-ASCII only" do
s = "\u{4076}\u{619}"
s.ascii_only?.should be_false
s.encoding.should == Encoding::UTF_8
end
it "is not affected by the default internal encoding" do
default_internal = Encoding.default_internal
Encoding.default_internal = Encoding::ISO_8859_15
"\u{5050}".encoding.should == Encoding::UTF_8
"\u{50}".encoding.should == Encoding::US_ASCII
Encoding.default_internal = default_internal
end
it "is not affected by the default external encoding" do
default_external = Encoding.default_external
Encoding.default_external = Encoding::SHIFT_JIS
"\u{50}".encoding.should == Encoding::US_ASCII
"\u{5050}".encoding.should == Encoding::UTF_8
Encoding.default_external = default_external
end
it "is not affected by both the default internal and external encoding being set at the same time" do
default_internal = Encoding.default_internal
default_external = Encoding.default_external
Encoding.default_internal = Encoding::EUC_JP
Encoding.default_external = Encoding::SHIFT_JIS
"\u{50}".encoding.should == Encoding::US_ASCII
"\u{507}".encoding.should == Encoding::UTF_8
Encoding.default_external = default_external
Encoding.default_internal = default_internal
end
it "returns the given encoding if #force_encoding has been called" do
"\u{20}".force_encoding(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
"\u{2020}".force_encoding(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
end
it "returns the given encoding if #encode!has been called" do
"\u{20}".encode!(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
"\u{2020}".encode!(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
end
end
describe "String#encoding for Strings with \\x escapes" do
it "returns US-ASCII if self is US-ASCII only" do
s = "\x61"
s.ascii_only?.should be_true
s.encoding.should == Encoding::US_ASCII
end
it "returns BINARY when an escape creates a byte with the 8th bit set if the source encoding is US-ASCII" do
__ENCODING__.should == Encoding::US_ASCII
str = " "
str.encoding.should == Encoding::US_ASCII
str += [0xDF].pack('C')
str.ascii_only?.should be_false
str.encoding.should == Encoding::BINARY
end
# TODO: Deal with case when the byte in question isn't valid in the source
# encoding?
it "returns the source encoding when an escape creates a byte with the 8th bit set if the source encoding isn't US-ASCII" do
fixture = StringSpecs::ISO88599Encoding.new
fixture.source_encoding.should == Encoding::ISO8859_9
fixture.x_escape.ascii_only?.should be_false
fixture.x_escape.encoding.should == Encoding::ISO8859_9
end
it "is not affected by the default internal encoding" do
default_internal = Encoding.default_internal
Encoding.default_internal = Encoding::ISO_8859_15
"\x50".encoding.should == Encoding::US_ASCII
"\x50".encoding.should == Encoding::US_ASCII
Encoding.default_internal = default_internal
end
it "is not affected by the default external encoding" do
default_external = Encoding.default_external
Encoding.default_external = Encoding::SHIFT_JIS
"\x50".encoding.should == Encoding::US_ASCII
[0xD4].pack('C').encoding.should == Encoding::BINARY
Encoding.default_external = default_external
end
it "is not affected by both the default internal and external encoding being set at the same time" do
default_internal = Encoding.default_internal
default_external = Encoding.default_external
Encoding.default_internal = Encoding::EUC_JP
Encoding.default_external = Encoding::SHIFT_JIS
x50 = "\x50"
x50.encoding.should == Encoding::US_ASCII
[0xD4].pack('C').encoding.should == Encoding::BINARY
Encoding.default_external = default_external
Encoding.default_internal = default_internal
end
it "returns the given encoding if #force_encoding has been called" do
x50 = "\x50"
x50.force_encoding(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
xD4 = [212].pack('C')
xD4.force_encoding(Encoding::ISO_8859_9).encoding.should == Encoding::ISO_8859_9
end
it "returns the given encoding if #encode!has been called" do
x50 = "\x50"
x50.encode!(Encoding::SHIFT_JIS).encoding.should == Encoding::SHIFT_JIS
x00 = "x\00"
x00.encode!(Encoding::UTF_8).encoding.should == Encoding::UTF_8
end
end
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