diff options
Diffstat (limited to 'spec/ruby/core/kernel/shared/sprintf_encoding.rb')
-rw-r--r-- | spec/ruby/core/kernel/shared/sprintf_encoding.rb | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/spec/ruby/core/kernel/shared/sprintf_encoding.rb b/spec/ruby/core/kernel/shared/sprintf_encoding.rb index 5ca66b9083..7ec0fe4c48 100644 --- a/spec/ruby/core/kernel/shared/sprintf_encoding.rb +++ b/spec/ruby/core/kernel/shared/sprintf_encoding.rb @@ -1,3 +1,5 @@ +# Keep encoding-related specs in a separate shared example to be able to skip them in IO/File/StringIO specs. +# It's difficult to check result's encoding in the test after writing to a file/io buffer. describe :kernel_sprintf_encoding, shared: true do it "can produce a string with valid encoding" do string = @method.call("good day %{valid}", valid: "e") @@ -12,20 +14,20 @@ describe :kernel_sprintf_encoding, shared: true do end it "returns a String in the same encoding as the format String if compatible" do - string = "%s".force_encoding(Encoding::KOI8_U) + string = "%s".dup.force_encoding(Encoding::KOI8_U) result = @method.call(string, "dogs") result.encoding.should equal(Encoding::KOI8_U) end it "returns a String in the argument's encoding if format encoding is more restrictive" do - string = "foo %s".force_encoding(Encoding::US_ASCII) - argument = "b\303\274r".force_encoding(Encoding::UTF_8) + string = "foo %s".dup.force_encoding(Encoding::US_ASCII) + argument = "b\303\274r".dup.force_encoding(Encoding::UTF_8) result = @method.call(string, argument) result.encoding.should equal(Encoding::UTF_8) end - it "raises Encoding::CompatibilityError if both encodings are ASCII compatible and there ano not ASCII characters" do + it "raises Encoding::CompatibilityError if both encodings are ASCII compatible and there are not ASCII characters" do string = "Ä %s".encode('windows-1252') argument = "Ђ".encode('windows-1251') @@ -33,4 +35,33 @@ describe :kernel_sprintf_encoding, shared: true do @method.call(string, argument) }.should raise_error(Encoding::CompatibilityError) end + + describe "%c" do + it "supports Unicode characters" do + result = @method.call("%c", 1286) + result.should == "Ԇ" + result.bytes.should == [212, 134] + + result = @method.call("%c", "ش") + result.should == "ش" + result.bytes.should == [216, 180] + end + + it "raises error when a codepoint isn't representable in an encoding of a format string" do + format = "%c".encode("ASCII") + + -> { + @method.call(format, 1286) + }.should raise_error(RangeError, /out of char range/) + end + + it "uses the encoding of the format string to interpret codepoints" do + format = "%c".dup.force_encoding("euc-jp") + result = @method.call(format, 9415601) + + result.encoding.should == Encoding::EUC_JP + result.should == "é".encode(Encoding::EUC_JP) + result.bytes.should == [143, 171, 177] + end + end end |