Update to ruby/spec@f8a2d54

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/ruby/core/string/swapcase_spec.rb b/spec/ruby/core/string/swapcase_spec.rb
index c1a1608a81..b5d9b20451 100644
--- a/spec/ruby/core/string/swapcase_spec.rb
+++ b/spec/ruby/core/string/swapcase_spec.rb
@@ -86,6 +86,12 @@ describe "String#swapcase!" do
     a.should == "CyBeR_pUnK11"
   end
 
+  it "modifies self in place for non-ascii-compatible encodings" do
+    a = "cYbEr_PuNk11".encode("utf-16le")
+    a.swapcase!
+    a.should == "CyBeR_pUnK11".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"
@@ -93,6 +99,12 @@ describe "String#swapcase!" do
       a.should == "ÄöÜ"
     end
 
+    it "works for non-ascii-compatible encodings" do
+      a = "äÖü".encode("utf-16le")
+      a.swapcase!
+      a.should == "ÄöÜ".encode("utf-16le")
+    end
+
     it "updates string metadata" do
       swapcased = "Aßet"
       swapcased.swapcase!
@@ -110,6 +122,12 @@ describe "String#swapcase!" do
       a.swapcase!(:ascii)
       a.should == "AßET"
     end
+
+    it "works for non-ascii-compatible encodings" do
+      a = "aBc".encode("utf-16le")
+      a.swapcase!(:ascii)
+      a.should == "AbC".encode("utf-16le")
+    end
   end
 
   describe "modifies self in place for full Unicode case mapping adapted for Turkic languages" do