Update to ruby/spec@4bb0f25

* Specs added by TruffleRuby.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63654 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 123 insertions, 7 deletions

diff --git a/spec/ruby/core/string/upcase_spec.rb b/spec/ruby/core/string/upcase_spec.rb
index 001cf1f495..347f567be9 100644
--- a/spec/ruby/core/string/upcase_spec.rb
+++ b/spec/ruby/core/string/upcase_spec.rb
@@ -23,8 +23,61 @@ describe "String#upcase" do
   end
 
   ruby_version_is '2.4' do
-    it "works for all of Unicode" do
-      "äöü".upcase.should == "ÄÖÜ"
+    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
+        lambda { "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
+        lambda { "iß".upcase(:lithuanian, :ascii) }.should raise_error(ArgumentError)
+      end
+    end
+
+    it "does not allow the :fold option for upcasing" do
+      lambda { "abc".upcase(:fold) }.should raise_error(ArgumentError)
+    end
+
+    it "does not allow invalid options" do
+      lambda { "abc".upcase(:invalid_option) }.should raise_error(ArgumentError)
     end
   end
 
@@ -46,12 +99,75 @@ describe "String#upcase!" do
     a.should == "HELLO"
   end
 
-
   ruby_version_is '2.4' do
-    it "modifies self in place for all of Unicode" do
-      a = "äöü"
-      a.upcase!.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.upcase!
+        a.should == "ÄÖÜ"
+      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
+    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
+        lambda { 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
+        lambda { a = "iß"; a.upcase!(:lithuanian, :ascii) }.should raise_error(ArgumentError)
+      end
+    end
+
+    it "does not allow the :fold option for upcasing" do
+      lambda { a = "abc"; a.upcase!(:fold) }.should raise_error(ArgumentError)
+    end
+
+    it "does not allow invalid options" do
+      lambda { a = "abc"; a.upcase!(:invalid_option) }.should raise_error(ArgumentError)
     end
   end