Update to ruby/spec@ec84479

1 files changed, 8 insertions, 14 deletions

diff --git a/spec/ruby/language/string_spec.rb b/spec/ruby/language/string_spec.rb
index d0f62ff3c9..68c5fd221b 100644
--- a/spec/ruby/language/string_spec.rb
+++ b/spec/ruby/language/string_spec.rb
@@ -260,24 +260,18 @@ describe "Ruby String literals" do
 end
 
 describe "Ruby String interpolation" do
-  it "creates a String having an Encoding compatible with all components" do
-    a = "\u3042"
-    b = "abc".encode("binary")
-
-    str = "#{a} x #{b}"
-
-    str.should == "\xe3\x81\x82\x20\x78\x20\x61\x62\x63".force_encoding("utf-8")
-    str.encoding.should == Encoding::UTF_8
+  it "returns a string with the source encoding by default" do
+    "a#{"b"}c".encoding.should == Encoding::BINARY
+    eval('"a#{"b"}c"'.force_encoding("us-ascii")).encoding.should == Encoding::US_ASCII
+    eval("# coding: US-ASCII \n 'a#{"b"}c'").encoding.should == Encoding::US_ASCII
   end
 
-  it "creates a String having the Encoding of the components when all are the same Encoding" do
+  it "returns a string with the source encoding, even if the components have another encoding" do
     a = "abc".force_encoding("euc-jp")
-    b = "def".force_encoding("euc-jp")
-    str = '"#{a} x #{b}"'.force_encoding("euc-jp")
+    "#{a}".encoding.should == Encoding::BINARY
 
-    result = eval(str)
-    result.should == "\x61\x62\x63\x20\x78\x20\x64\x65\x66".force_encoding("euc-jp")
-    result.encoding.should == Encoding::EUC_JP
+    b = "abc".encode("utf-8")
+    "#{b}".encoding.should == Encoding::BINARY
   end
 
   it "raises an Encoding::CompatibilityError if the Encodings are not compatible" do