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|
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/encode', __FILE__)
with_feature :encoding do
describe "String#encode" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
end
it_behaves_like :string_encode, :encode
describe "when passed no options" do
it "returns a copy when Encoding.default_internal is nil" do
Encoding.default_internal = nil
str = "あ"
str.encode.should_not equal(str)
end
it "returns a copy for a ASCII-only String when Encoding.default_internal is nil" do
Encoding.default_internal = nil
str = "abc"
str.encode.should_not equal(str)
end
end
describe "when passed to encoding" do
it "returns a copy when passed the same encoding as the String" do
str = "あ"
str.encode(Encoding::UTF_8).should_not equal(str)
end
it "round trips a String" do
str = "abc def".force_encoding Encoding::US_ASCII
str.encode("utf-32be").encode("ascii").should == "abc def"
end
end
describe "when passed options" do
it "returns a copy when Encoding.default_internal is nil" do
Encoding.default_internal = nil
str = "あ"
str.encode(:invalid => :replace).should_not equal(str)
end
end
describe "when passed to, from" do
it "returns a copy when both encodings are the same" do
str = "あ"
str.encode("utf-8", "utf-8").should_not equal(str)
end
end
describe "when passed to, options" do
it "returns a copy when the destination encoding is the same as the String encoding" do
str = "あ"
str.encode(Encoding::UTF_8, :undef => :replace).should_not equal(str)
end
end
describe "when passed to, from, options" do
it "returns a copy when both encodings are the same" do
str = "あ"
str.encode("utf-8", "utf-8", :invalid => :replace).should_not equal(str)
end
end
end
describe "String#encode!" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
end
it_behaves_like :string_encode, :encode!
it "raises a RuntimeError when called on a frozen String" do
lambda { "foo".freeze.encode!("euc-jp") }.should raise_error(RuntimeError)
end
# http://redmine.ruby-lang.org/issues/show/1836
it "raises a RuntimeError when called on a frozen String when it's a no-op" do
lambda { "foo".freeze.encode!("utf-8") }.should raise_error(RuntimeError)
end
describe "when passed no options" do
it "returns self when Encoding.default_internal is nil" do
Encoding.default_internal = nil
str = "あ"
str.encode!.should equal(str)
end
it "returns self for a ASCII-only String when Encoding.default_internal is nil" do
Encoding.default_internal = nil
str = "abc"
str.encode!.should equal(str)
end
end
describe "when passed to encoding" do
it "returns self" do
str = "abc"
result = str.encode!(Encoding::BINARY)
result.encoding.should equal(Encoding::BINARY)
result.should equal(str)
end
end
describe "when passed to, from" do
it "returns self" do
str = "ああ"
result = str.encode!("euc-jp", "utf-8")
result.encoding.should equal(Encoding::EUC_JP)
result.should equal(str)
end
end
end
end
|
