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# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "String#upcase" do
it "returns a copy of self with all lowercase letters upcased" do
"Hello".upcase.should == "HELLO"
"hello".upcase.should == "HELLO"
end
describe "full Unicode case mapping" do
it "works for all of Unicode with no option" do
"äöü".upcase.should == "ÄÖÜ"
end
it "updates string metadata" do
upcased = "aßet".upcase
upcased.should == "ASSET"
upcased.size.should == 5
upcased.bytesize.should == 5
upcased.ascii_only?.should be_true
end
end
describe "ASCII-only case mapping" do
it "does not upcase non-ASCII characters" do
"aßet".upcase(:ascii).should == "AßET"
end
end
describe "full Unicode case mapping adapted for Turkic languages" do
it "upcases ASCII characters according to Turkic semantics" do
"i".upcase(:turkic).should == "İ"
end
it "allows Lithuanian as an extra option" do
"i".upcase(:turkic, :lithuanian).should == "İ"
end
it "does not allow any other additional option" do
-> { "i".upcase(:turkic, :ascii) }.should raise_error(ArgumentError)
end
end
describe "full Unicode case mapping adapted for Lithuanian" do
it "currently works the same as full Unicode case mapping" do
"iß".upcase(:lithuanian).should == "ISS"
end
it "allows Turkic as an extra option (and applies Turkic semantics)" do
"iß".upcase(:lithuanian, :turkic).should == "İSS"
end
it "does not allow any other additional option" do
-> { "iß".upcase(:lithuanian, :ascii) }.should raise_error(ArgumentError)
end
end
it "does not allow the :fold option for upcasing" do
-> { "abc".upcase(:fold) }.should raise_error(ArgumentError)
end
it "does not allow invalid options" do
-> { "abc".upcase(:invalid_option) }.should raise_error(ArgumentError)
end
ruby_version_is ''...'2.7' do
it "taints result when self is tainted" do
"".taint.upcase.should.tainted?
"X".taint.upcase.should.tainted?
"x".taint.upcase.should.tainted?
end
end
it "returns a subclass instance for subclasses" do
StringSpecs::MyString.new("fooBAR").upcase.should be_an_instance_of(StringSpecs::MyString)
end
end
describe "String#upcase!" do
it "modifies self in place" do
a = "HeLlO"
a.upcase!.should equal(a)
a.should == "HELLO"
end
it "modifies self in place for non-ascii-compatible encodings" do
a = "HeLlO".encode("utf-16le")
a.upcase!
a.should == "HELLO".encode("utf-16le")
end
describe "full Unicode case mapping" do
it "modifies self in place for all of Unicode with no option" do
a = "äöü"
a.upcase!
a.should == "ÄÖÜ"
end
it "works for non-ascii-compatible encodings" do
a = "äöü".encode("utf-16le")
a.upcase!
a.should == "ÄÖÜ".encode("utf-16le")
end
it "updates string metadata for self" do
upcased = "aßet"
upcased.upcase!
upcased.should == "ASSET"
upcased.size.should == 5
upcased.bytesize.should == 5
upcased.ascii_only?.should be_true
end
end
describe "modifies self in place for ASCII-only case mapping" do
it "does not upcase non-ASCII characters" do
a = "aßet"
a.upcase!(:ascii)
a.should == "AßET"
end
it "works for non-ascii-compatible encodings" do
a = "abc".encode("utf-16le")
a.upcase!(:ascii)
a.should == "ABC".encode("utf-16le")
end
end
describe "modifies self in place for full Unicode case mapping adapted for Turkic languages" do
it "upcases ASCII characters according to Turkic semantics" do
a = "i"
a.upcase!(:turkic)
a.should == "İ"
end
it "allows Lithuanian as an extra option" do
a = "i"
a.upcase!(:turkic, :lithuanian)
a.should == "İ"
end
it "does not allow any other additional option" do
-> { a = "i"; a.upcase!(:turkic, :ascii) }.should raise_error(ArgumentError)
end
end
describe "modifies self in place for full Unicode case mapping adapted for Lithuanian" do
it "currently works the same as full Unicode case mapping" do
a = "iß"
a.upcase!(:lithuanian)
a.should == "ISS"
end
it "allows Turkic as an extra option (and applies Turkic semantics)" do
a = "iß"
a.upcase!(:lithuanian, :turkic)
a.should == "İSS"
end
it "does not allow any other additional option" do
-> { a = "iß"; a.upcase!(:lithuanian, :ascii) }.should raise_error(ArgumentError)
end
end
it "does not allow the :fold option for upcasing" do
-> { a = "abc"; a.upcase!(:fold) }.should raise_error(ArgumentError)
end
it "does not allow invalid options" do
-> { a = "abc"; a.upcase!(:invalid_option) }.should raise_error(ArgumentError)
end
it "returns nil if no modifications were made" do
a = "HELLO"
a.upcase!.should == nil
a.should == "HELLO"
end
it "raises a FrozenError when self is frozen" do
-> { "HeLlo".freeze.upcase! }.should raise_error(FrozenError)
-> { "HELLO".freeze.upcase! }.should raise_error(FrozenError)
end
end
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