Update to ruby/spec@f8a2d54

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/ruby/core/string/upcase_spec.rb b/spec/ruby/core/string/upcase_spec.rb
index eb7d708fe0..4857079a84 100644
--- a/spec/ruby/core/string/upcase_spec.rb
+++ b/spec/ruby/core/string/upcase_spec.rb
@@ -85,6 +85,12 @@ describe "String#upcase!" do
     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"
@@ -92,6 +98,12 @@ describe "String#upcase!" do
       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!
@@ -109,6 +121,12 @@ describe "String#upcase!" do
       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