diff options
Diffstat (limited to 'spec/ruby/core/string/capitalize_spec.rb')
-rw-r--r-- | spec/ruby/core/string/capitalize_spec.rb | 139 |
1 files changed, 133 insertions, 6 deletions
diff --git a/spec/ruby/core/string/capitalize_spec.rb b/spec/ruby/core/string/capitalize_spec.rb index e279f7d061..10f9ab00a1 100644 --- a/spec/ruby/core/string/capitalize_spec.rb +++ b/spec/ruby/core/string/capitalize_spec.rb @@ -26,8 +26,65 @@ describe "String#capitalize" do end ruby_version_is '2.4' do - it "works for all of Unicode" do - "äöü".capitalize.should == "Äöü" + describe "full Unicode case mapping" do + it "works for all of Unicode with no option" do + "äöÜ".capitalize.should == "Äöü" + end + + it "only capitalizes the first resulting character when upcasing a character produces a multi-character sequence" do + "ß".capitalize.should == "Ss" + end + + it "updates string metadata" do + capitalized = "ßeT".capitalize + + capitalized.should == "Sset" + capitalized.size.should == 4 + capitalized.bytesize.should == 4 + capitalized.ascii_only?.should be_true + end + end + + describe "ASCII-only case mapping" do + it "does not capitalize non-ASCII characters" do + "ßet".capitalize(:ascii).should == "ßet" + end + end + + describe "full Unicode case mapping adapted for Turkic languages" do + it "capitalizes ASCII characters according to Turkic semantics" do + "iSa".capitalize(:turkic).should == "İsa" + end + + it "allows Lithuanian as an extra option" do + "iSa".capitalize(:turkic, :lithuanian).should == "İsa" + end + + it "does not allow any other additional option" do + lambda { "iSa".capitalize(: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".capitalize(:lithuanian).should == "Iß" + end + + it "allows Turkic as an extra option (and applies Turkic semantics)" do + "iß".capitalize(:lithuanian, :turkic).should == "İß" + end + + it "does not allow any other additional option" do + lambda { "iß".capitalize(:lithuanian, :ascii) }.should raise_error(ArgumentError) + end + end + + it "does not allow the :fold option for upcasing" do + lambda { "abc".capitalize(:fold) }.should raise_error(ArgumentError) + end + + it "does not allow invalid options" do + lambda { "abc".capitalize(:invalid_option) }.should raise_error(ArgumentError) end end @@ -45,10 +102,80 @@ describe "String#capitalize!" do end ruby_version_is '2.4' do - it "capitalizes self in place for all of Unicode" do - a = "äöü" - a.capitalize!.should equal(a) - a.should == "Äöü" + describe "full Unicode case mapping" do + it "modifies self in place for all of Unicode with no option" do + a = "äöÜ" + a.capitalize! + a.should == "Äöü" + end + + it "only capitalizes the first resulting character when upcasing a character produces a multi-character sequence" do + a = "ß" + a.capitalize! + a.should == "Ss" + end + + it "updates string metadata" do + capitalized = "ßeT" + capitalized.capitalize! + + capitalized.should == "Sset" + capitalized.size.should == 4 + capitalized.bytesize.should == 4 + capitalized.ascii_only?.should be_true + end + end + + describe "modifies self in place for ASCII-only case mapping" do + it "does not capitalize non-ASCII characters" do + a = "ßet" + a.capitalize!(:ascii) + a.should == "ßet" + end + end + + describe "modifies self in place for full Unicode case mapping adapted for Turkic languages" do + it "capitalizes ASCII characters according to Turkic semantics" do + a = "iSa" + a.capitalize!(:turkic) + a.should == "İsa" + end + + it "allows Lithuanian as an extra option" do + a = "iSa" + a.capitalize!(:turkic, :lithuanian) + a.should == "İsa" + end + + it "does not allow any other additional option" do + lambda { a = "iSa"; a.capitalize!(: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.capitalize!(:lithuanian) + a.should == "Iß" + end + + it "allows Turkic as an extra option (and applies Turkic semantics)" do + a = "iß" + a.capitalize!(:lithuanian, :turkic) + a.should == "İß" + end + + it "does not allow any other additional option" do + lambda { a = "iß"; a.capitalize!(:lithuanian, :ascii) }.should raise_error(ArgumentError) + end + end + + it "does not allow the :fold option for upcasing" do + lambda { a = "abc"; a.capitalize!(:fold) }.should raise_error(ArgumentError) + end + + it "does not allow invalid options" do + lambda { a = "abc"; a.capitalize!(:invalid_option) }.should raise_error(ArgumentError) end end |