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-rw-r--r--spec/ruby/core/encoding/compatible_spec.rb455
1 files changed, 417 insertions, 38 deletions
diff --git a/spec/ruby/core/encoding/compatible_spec.rb b/spec/ruby/core/encoding/compatible_spec.rb
index 80ecab6155..31376a3b75 100644
--- a/spec/ruby/core/encoding/compatible_spec.rb
+++ b/spec/ruby/core/encoding/compatible_spec.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
require_relative '../../spec_helper'
@@ -7,7 +7,7 @@ require_relative '../../spec_helper'
describe "Encoding.compatible? String, String" do
describe "when the first's Encoding is valid US-ASCII" do
before :each do
- @str = "abc".force_encoding Encoding::US_ASCII
+ @str = "abc".dup.force_encoding Encoding::US_ASCII
end
it "returns US-ASCII when the second's is US-ASCII" do
@@ -33,28 +33,28 @@ describe "Encoding.compatible? String, String" do
describe "when the first's Encoding is ASCII compatible and ASCII only" do
it "returns the first's Encoding if the second is ASCII compatible and ASCII only" do
- [ [Encoding, "abc".force_encoding("UTF-8"), "123".force_encoding("Shift_JIS"), Encoding::UTF_8],
- [Encoding, "123".force_encoding("Shift_JIS"), "abc".force_encoding("UTF-8"), Encoding::Shift_JIS]
+ [ [Encoding, "abc".dup.force_encoding("UTF-8"), "123".dup.force_encoding("Shift_JIS"), Encoding::UTF_8],
+ [Encoding, "123".dup.force_encoding("Shift_JIS"), "abc".dup.force_encoding("UTF-8"), Encoding::Shift_JIS]
].should be_computed_by(:compatible?)
end
it "returns the first's Encoding if the second is ASCII compatible and ASCII only" do
- [ [Encoding, "abc".force_encoding("BINARY"), "123".force_encoding("US-ASCII"), Encoding::BINARY],
- [Encoding, "123".force_encoding("US-ASCII"), "abc".force_encoding("BINARY"), Encoding::US_ASCII]
+ [ [Encoding, "abc".dup.force_encoding("BINARY"), "123".dup.force_encoding("US-ASCII"), Encoding::BINARY],
+ [Encoding, "123".dup.force_encoding("US-ASCII"), "abc".dup.force_encoding("BINARY"), Encoding::US_ASCII]
].should be_computed_by(:compatible?)
end
it "returns the second's Encoding if the second is ASCII compatible but not ASCII only" do
- [ [Encoding, "abc".force_encoding("UTF-8"), "\xff".force_encoding("Shift_JIS"), Encoding::Shift_JIS],
- [Encoding, "123".force_encoding("Shift_JIS"), "\xff".force_encoding("UTF-8"), Encoding::UTF_8],
- [Encoding, "abc".force_encoding("BINARY"), "\xff".force_encoding("US-ASCII"), Encoding::US_ASCII],
- [Encoding, "123".force_encoding("US-ASCII"), "\xff".force_encoding("BINARY"), Encoding::BINARY],
+ [ [Encoding, "abc".dup.force_encoding("UTF-8"), "\xff".dup.force_encoding("Shift_JIS"), Encoding::Shift_JIS],
+ [Encoding, "123".dup.force_encoding("Shift_JIS"), "\xff".dup.force_encoding("UTF-8"), Encoding::UTF_8],
+ [Encoding, "abc".dup.force_encoding("BINARY"), "\xff".dup.force_encoding("US-ASCII"), Encoding::US_ASCII],
+ [Encoding, "123".dup.force_encoding("US-ASCII"), "\xff".dup.force_encoding("BINARY"), Encoding::BINARY],
].should be_computed_by(:compatible?)
end
it "returns nil if the second's Encoding is not ASCII compatible" do
- a = "abc".force_encoding("UTF-8")
- b = "1234".force_encoding("UTF-16LE")
+ a = "abc".dup.force_encoding("UTF-8")
+ b = "1234".dup.force_encoding("UTF-16LE")
Encoding.compatible?(a, b).should be_nil
end
end
@@ -75,7 +75,7 @@ describe "Encoding.compatible? String, String" do
describe "when the first's Encoding is not ASCII compatible" do
before :each do
- @str = "abc".force_encoding Encoding::UTF_7
+ @str = "abc".dup.force_encoding Encoding::UTF_7
end
it "returns nil when the second String is US-ASCII" do
@@ -91,14 +91,14 @@ describe "Encoding.compatible? String, String" do
end
it "returns the Encoding when the second's Encoding is not ASCII compatible but the same as the first's Encoding" do
- encoding = Encoding.compatible?(@str, "def".force_encoding("utf-7"))
+ encoding = Encoding.compatible?(@str, "def".dup.force_encoding("utf-7"))
encoding.should == Encoding::UTF_7
end
end
describe "when the first's Encoding is invalid" do
before :each do
- @str = "\xff".force_encoding Encoding::UTF_8
+ @str = "\xff".dup.force_encoding Encoding::UTF_8
end
it "returns the first's Encoding when the second's Encoding is US-ASCII" do
@@ -114,11 +114,11 @@ describe "Encoding.compatible? String, String" do
end
it "returns nil when the second's Encoding is invalid and ASCII only" do
- Encoding.compatible?(@str, "\x7f".force_encoding("utf-16be")).should be_nil
+ Encoding.compatible?(@str, "\x7f\x7f".dup.force_encoding("utf-16be")).should be_nil
end
it "returns nil when the second's Encoding is invalid and not ASCII only" do
- Encoding.compatible?(@str, "\xff".force_encoding("utf-16be")).should be_nil
+ Encoding.compatible?(@str, "\xff\xff".dup.force_encoding("utf-16be")).should be_nil
end
it "returns the Encoding when the second's Encoding is invalid but the same as the first" do
@@ -129,7 +129,7 @@ describe "Encoding.compatible? String, String" do
describe "when the first String is empty and the second is not" do
describe "and the first's Encoding is ASCII compatible" do
before :each do
- @str = "".force_encoding("utf-8")
+ @str = "".dup.force_encoding("utf-8")
end
it "returns the first's encoding when the second String is ASCII only" do
@@ -143,7 +143,7 @@ describe "Encoding.compatible? String, String" do
describe "when the first's Encoding is not ASCII compatible" do
before :each do
- @str = "".force_encoding Encoding::UTF_7
+ @str = "".dup.force_encoding Encoding::UTF_7
end
it "returns the second string's encoding" do
@@ -154,18 +154,391 @@ describe "Encoding.compatible? String, String" do
describe "when the second String is empty" do
before :each do
- @str = "abc".force_encoding("utf-7")
+ @str = "abc".dup.force_encoding("utf-7")
end
it "returns the first Encoding" do
Encoding.compatible?(@str, "").should == Encoding::UTF_7
end
end
+
+ # Encoding negotiation depends on whether encodings are ASCII-compatible, empty
+ # and contain only ASCII characters (that take 7 bits). Check US-ASCII, UTF-8 and
+ # BINARY encodings (as most common) as well as an ASCII-compatible, a non-ASCII-compatible and a dummy
+ # encodings in all possible combinations.
+ describe "compatibility matrix" do
+
+# Use the following script to regenerate the matrix:
+#
+# ```
+# # encoding: binary
+#
+# ENCODINGS = [
+# "US-ASCII",
+# "UTF-8",
+# "ASCII-8BIT",
+# "ISO-8859-1", # ASCII-compatible
+# "UTF-16BE", # non-ASCII-compatible
+# "ISO-2022-JP" # dummy
+# ]
+#
+# TYPES = [:empty, :"7bits", :non7bits]
+#
+# VALUES = {
+# empty: "",
+# :"7bits" => "\x01\x01",
+# non7bits: "\x01\x81"
+# }
+#
+# ENCODINGS.product(TYPES, ENCODINGS, TYPES).each do |encoding1, type1, encoding2, type2|
+# value1 = VALUES[type1].dup.force_encoding(encoding1)
+# value2 = VALUES[type2].dup.force_encoding(encoding2)
+#
+# result_encoding = Encoding.compatible?(value1, value2)
+#
+# puts "[#{encoding1.inspect}, #{value1.inspect}, #{encoding2.inspect}, #{value2.inspect}, #{result_encoding&.name.inspect}],"
+# end
+# ```
+
+ matrix = [
+ ["US-ASCII", "", "US-ASCII", "", "US-ASCII"],
+ ["US-ASCII", "", "US-ASCII", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["US-ASCII", "", "UTF-8", "", "US-ASCII"],
+ ["US-ASCII", "", "UTF-8", "\u0001\u0001", "US-ASCII"],
+ ["US-ASCII", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["US-ASCII", "", "ASCII-8BIT", "", "US-ASCII"],
+ ["US-ASCII", "", "ASCII-8BIT", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["US-ASCII", "", "ISO-8859-1", "", "US-ASCII"],
+ ["US-ASCII", "", "ISO-8859-1", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["US-ASCII", "", "UTF-16BE", "", "US-ASCII"],
+ ["US-ASCII", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["US-ASCII", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["US-ASCII", "", "ISO-2022-JP", "", "US-ASCII"],
+ ["US-ASCII", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["US-ASCII", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["US-ASCII", "\x01\x01", "US-ASCII", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "US-ASCII", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "UTF-8", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "UTF-8", "\u0001\u0001", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["US-ASCII", "\x01\x01", "ASCII-8BIT", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "ASCII-8BIT", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["US-ASCII", "\x01\x01", "ISO-8859-1", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "ISO-8859-1", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["US-ASCII", "\x01\x01", "UTF-16BE", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "UTF-16BE", "\u0101", nil],
+ ["US-ASCII", "\x01\x01", "UTF-16BE", "\u0181", nil],
+ ["US-ASCII", "\x01\x01", "ISO-2022-JP", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x01", "ISO-2022-JP", "\x01\x01", nil],
+ ["US-ASCII", "\x01\x01", "ISO-2022-JP", "\x01\x81", nil],
+ ["US-ASCII", "\x01\x81", "US-ASCII", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "US-ASCII", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "UTF-8", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "UTF-8", "\u0001\u0001", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "UTF-8", "\u0001\x81", nil],
+ ["US-ASCII", "\x01\x81", "ASCII-8BIT", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "ASCII-8BIT", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "ASCII-8BIT", "\x01\x81", nil],
+ ["US-ASCII", "\x01\x81", "ISO-8859-1", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "ISO-8859-1", "\x01\x01", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "ISO-8859-1", "\x01\x81", nil],
+ ["US-ASCII", "\x01\x81", "UTF-16BE", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "UTF-16BE", "\u0101", nil],
+ ["US-ASCII", "\x01\x81", "UTF-16BE", "\u0181", nil],
+ ["US-ASCII", "\x01\x81", "ISO-2022-JP", "", "US-ASCII"],
+ ["US-ASCII", "\x01\x81", "ISO-2022-JP", "\x01\x01", nil],
+ ["US-ASCII", "\x01\x81", "ISO-2022-JP", "\x01\x81", nil],
+ ["UTF-8", "", "US-ASCII", "", "UTF-8"],
+ ["UTF-8", "", "US-ASCII", "\x01\x01", "UTF-8"],
+ ["UTF-8", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["UTF-8", "", "UTF-8", "", "UTF-8"],
+ ["UTF-8", "", "UTF-8", "\u0001\u0001", "UTF-8"],
+ ["UTF-8", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["UTF-8", "", "ASCII-8BIT", "", "UTF-8"],
+ ["UTF-8", "", "ASCII-8BIT", "\x01\x01", "UTF-8"],
+ ["UTF-8", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["UTF-8", "", "ISO-8859-1", "", "UTF-8"],
+ ["UTF-8", "", "ISO-8859-1", "\x01\x01", "UTF-8"],
+ ["UTF-8", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["UTF-8", "", "UTF-16BE", "", "UTF-8"],
+ ["UTF-8", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["UTF-8", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["UTF-8", "", "ISO-2022-JP", "", "UTF-8"],
+ ["UTF-8", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["UTF-8", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["UTF-8", "\u0001\u0001", "US-ASCII", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "US-ASCII", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["UTF-8", "\u0001\u0001", "UTF-8", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "UTF-8", "\u0001\u0001", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ASCII-8BIT", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ASCII-8BIT", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["UTF-8", "\u0001\u0001", "ISO-8859-1", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ISO-8859-1", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["UTF-8", "\u0001\u0001", "UTF-16BE", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "UTF-16BE", "\u0101", nil],
+ ["UTF-8", "\u0001\u0001", "UTF-16BE", "\u0181", nil],
+ ["UTF-8", "\u0001\u0001", "ISO-2022-JP", "", "UTF-8"],
+ ["UTF-8", "\u0001\u0001", "ISO-2022-JP", "\x01\x01", nil],
+ ["UTF-8", "\u0001\u0001", "ISO-2022-JP", "\x01\x81", nil],
+ ["UTF-8", "\u0001\x81", "US-ASCII", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "US-ASCII", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "US-ASCII", "\x01\x81", nil],
+ ["UTF-8", "\u0001\x81", "UTF-8", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "UTF-8", "\u0001\u0001", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ASCII-8BIT", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ASCII-8BIT", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ASCII-8BIT", "\x01\x81", nil],
+ ["UTF-8", "\u0001\x81", "ISO-8859-1", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ISO-8859-1", "\x01\x01", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ISO-8859-1", "\x01\x81", nil],
+ ["UTF-8", "\u0001\x81", "UTF-16BE", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "UTF-16BE", "\u0101", nil],
+ ["UTF-8", "\u0001\x81", "UTF-16BE", "\u0181", nil],
+ ["UTF-8", "\u0001\x81", "ISO-2022-JP", "", "UTF-8"],
+ ["UTF-8", "\u0001\x81", "ISO-2022-JP", "\x01\x01", nil],
+ ["UTF-8", "\u0001\x81", "ISO-2022-JP", "\x01\x81", nil],
+ ["ASCII-8BIT", "", "US-ASCII", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "US-ASCII", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["ASCII-8BIT", "", "UTF-8", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "UTF-8", "\u0001\u0001", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["ASCII-8BIT", "", "ASCII-8BIT", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ASCII-8BIT", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ISO-8859-1", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ISO-8859-1", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ASCII-8BIT", "", "UTF-16BE", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["ASCII-8BIT", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["ASCII-8BIT", "", "ISO-2022-JP", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["ASCII-8BIT", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["ASCII-8BIT", "\x01\x01", "US-ASCII", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "US-ASCII", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["ASCII-8BIT", "\x01\x01", "UTF-8", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "UTF-8", "\u0001\u0001", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["ASCII-8BIT", "\x01\x01", "ASCII-8BIT", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ASCII-8BIT", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ISO-8859-1", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ISO-8859-1", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ASCII-8BIT", "\x01\x01", "UTF-16BE", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "UTF-16BE", "\u0101", nil],
+ ["ASCII-8BIT", "\x01\x01", "UTF-16BE", "\u0181", nil],
+ ["ASCII-8BIT", "\x01\x01", "ISO-2022-JP", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x01", "ISO-2022-JP", "\x01\x01", nil],
+ ["ASCII-8BIT", "\x01\x01", "ISO-2022-JP", "\x01\x81", nil],
+ ["ASCII-8BIT", "\x01\x81", "US-ASCII", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "US-ASCII", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "US-ASCII", "\x01\x81", nil],
+ ["ASCII-8BIT", "\x01\x81", "UTF-8", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "UTF-8", "\u0001\u0001", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "UTF-8", "\u0001\x81", nil],
+ ["ASCII-8BIT", "\x01\x81", "ASCII-8BIT", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ASCII-8BIT", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ISO-8859-1", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ISO-8859-1", "\x01\x01", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ISO-8859-1", "\x01\x81", nil],
+ ["ASCII-8BIT", "\x01\x81", "UTF-16BE", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "UTF-16BE", "\u0101", nil],
+ ["ASCII-8BIT", "\x01\x81", "UTF-16BE", "\u0181", nil],
+ ["ASCII-8BIT", "\x01\x81", "ISO-2022-JP", "", "ASCII-8BIT"],
+ ["ASCII-8BIT", "\x01\x81", "ISO-2022-JP", "\x01\x01", nil],
+ ["ASCII-8BIT", "\x01\x81", "ISO-2022-JP", "\x01\x81", nil],
+ ["ISO-8859-1", "", "US-ASCII", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "US-ASCII", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["ISO-8859-1", "", "UTF-8", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "UTF-8", "\u0001\u0001", "ISO-8859-1"],
+ ["ISO-8859-1", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["ISO-8859-1", "", "ASCII-8BIT", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "ASCII-8BIT", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ISO-8859-1", "", "ISO-8859-1", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "ISO-8859-1", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ISO-8859-1", "", "UTF-16BE", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["ISO-8859-1", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["ISO-8859-1", "", "ISO-2022-JP", "", "ISO-8859-1"],
+ ["ISO-8859-1", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["ISO-8859-1", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["ISO-8859-1", "\x01\x01", "US-ASCII", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "US-ASCII", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["ISO-8859-1", "\x01\x01", "UTF-8", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "UTF-8", "\u0001\u0001", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["ISO-8859-1", "\x01\x01", "ASCII-8BIT", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "ASCII-8BIT", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ISO-8859-1", "\x01\x01", "ISO-8859-1", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "ISO-8859-1", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "UTF-16BE", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "UTF-16BE", "\u0101", nil],
+ ["ISO-8859-1", "\x01\x01", "UTF-16BE", "\u0181", nil],
+ ["ISO-8859-1", "\x01\x01", "ISO-2022-JP", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x01", "ISO-2022-JP", "\x01\x01", nil],
+ ["ISO-8859-1", "\x01\x01", "ISO-2022-JP", "\x01\x81", nil],
+ ["ISO-8859-1", "\x01\x81", "US-ASCII", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "US-ASCII", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "US-ASCII", "\x01\x81", nil],
+ ["ISO-8859-1", "\x01\x81", "UTF-8", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "UTF-8", "\u0001\u0001", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "UTF-8", "\u0001\x81", nil],
+ ["ISO-8859-1", "\x01\x81", "ASCII-8BIT", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "ASCII-8BIT", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "ASCII-8BIT", "\x01\x81", nil],
+ ["ISO-8859-1", "\x01\x81", "ISO-8859-1", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "ISO-8859-1", "\x01\x01", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "UTF-16BE", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "UTF-16BE", "\u0101", nil],
+ ["ISO-8859-1", "\x01\x81", "UTF-16BE", "\u0181", nil],
+ ["ISO-8859-1", "\x01\x81", "ISO-2022-JP", "", "ISO-8859-1"],
+ ["ISO-8859-1", "\x01\x81", "ISO-2022-JP", "\x01\x01", nil],
+ ["ISO-8859-1", "\x01\x81", "ISO-2022-JP", "\x01\x81", nil],
+ ["UTF-16BE", "", "US-ASCII", "", "UTF-16BE"],
+ ["UTF-16BE", "", "US-ASCII", "\x01\x01", "US-ASCII"],
+ ["UTF-16BE", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["UTF-16BE", "", "UTF-8", "", "UTF-16BE"],
+ ["UTF-16BE", "", "UTF-8", "\u0001\u0001", "UTF-8"],
+ ["UTF-16BE", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["UTF-16BE", "", "ASCII-8BIT", "", "UTF-16BE"],
+ ["UTF-16BE", "", "ASCII-8BIT", "\x01\x01", "ASCII-8BIT"],
+ ["UTF-16BE", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["UTF-16BE", "", "ISO-8859-1", "", "UTF-16BE"],
+ ["UTF-16BE", "", "ISO-8859-1", "\x01\x01", "ISO-8859-1"],
+ ["UTF-16BE", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["UTF-16BE", "", "UTF-16BE", "", "UTF-16BE"],
+ ["UTF-16BE", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["UTF-16BE", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["UTF-16BE", "", "ISO-2022-JP", "", "UTF-16BE"],
+ ["UTF-16BE", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["UTF-16BE", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["UTF-16BE", "\u0101", "US-ASCII", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "US-ASCII", "\x01\x01", nil],
+ ["UTF-16BE", "\u0101", "US-ASCII", "\x01\x81", nil],
+ ["UTF-16BE", "\u0101", "UTF-8", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "UTF-8", "\u0001\u0001", nil],
+ ["UTF-16BE", "\u0101", "UTF-8", "\u0001\x81", nil],
+ ["UTF-16BE", "\u0101", "ASCII-8BIT", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "ASCII-8BIT", "\x01\x01", nil],
+ ["UTF-16BE", "\u0101", "ASCII-8BIT", "\x01\x81", nil],
+ ["UTF-16BE", "\u0101", "ISO-8859-1", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "ISO-8859-1", "\x01\x01", nil],
+ ["UTF-16BE", "\u0101", "ISO-8859-1", "\x01\x81", nil],
+ ["UTF-16BE", "\u0101", "UTF-16BE", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "ISO-2022-JP", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0101", "ISO-2022-JP", "\x01\x01", nil],
+ ["UTF-16BE", "\u0101", "ISO-2022-JP", "\x01\x81", nil],
+ ["UTF-16BE", "\u0181", "US-ASCII", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "US-ASCII", "\x01\x01", nil],
+ ["UTF-16BE", "\u0181", "US-ASCII", "\x01\x81", nil],
+ ["UTF-16BE", "\u0181", "UTF-8", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "UTF-8", "\u0001\u0001", nil],
+ ["UTF-16BE", "\u0181", "UTF-8", "\u0001\x81", nil],
+ ["UTF-16BE", "\u0181", "ASCII-8BIT", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "ASCII-8BIT", "\x01\x01", nil],
+ ["UTF-16BE", "\u0181", "ASCII-8BIT", "\x01\x81", nil],
+ ["UTF-16BE", "\u0181", "ISO-8859-1", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "ISO-8859-1", "\x01\x01", nil],
+ ["UTF-16BE", "\u0181", "ISO-8859-1", "\x01\x81", nil],
+ ["UTF-16BE", "\u0181", "UTF-16BE", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "ISO-2022-JP", "", "UTF-16BE"],
+ ["UTF-16BE", "\u0181", "ISO-2022-JP", "\x01\x01", nil],
+ ["UTF-16BE", "\u0181", "ISO-2022-JP", "\x01\x81", nil],
+ ["ISO-2022-JP", "", "US-ASCII", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "US-ASCII", "\x01\x01", "US-ASCII"],
+ ["ISO-2022-JP", "", "US-ASCII", "\x01\x81", "US-ASCII"],
+ ["ISO-2022-JP", "", "UTF-8", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "UTF-8", "\u0001\u0001", "UTF-8"],
+ ["ISO-2022-JP", "", "UTF-8", "\u0001\x81", "UTF-8"],
+ ["ISO-2022-JP", "", "ASCII-8BIT", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "ASCII-8BIT", "\x01\x01", "ASCII-8BIT"],
+ ["ISO-2022-JP", "", "ASCII-8BIT", "\x01\x81", "ASCII-8BIT"],
+ ["ISO-2022-JP", "", "ISO-8859-1", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "ISO-8859-1", "\x01\x01", "ISO-8859-1"],
+ ["ISO-2022-JP", "", "ISO-8859-1", "\x01\x81", "ISO-8859-1"],
+ ["ISO-2022-JP", "", "UTF-16BE", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "UTF-16BE", "\u0101", "UTF-16BE"],
+ ["ISO-2022-JP", "", "UTF-16BE", "\u0181", "UTF-16BE"],
+ ["ISO-2022-JP", "", "ISO-2022-JP", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["ISO-2022-JP", "", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "US-ASCII", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "US-ASCII", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x01", "US-ASCII", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x01", "UTF-8", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "UTF-8", "\u0001\u0001", nil],
+ ["ISO-2022-JP", "\x01\x01", "UTF-8", "\u0001\x81", nil],
+ ["ISO-2022-JP", "\x01\x01", "ASCII-8BIT", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "ASCII-8BIT", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x01", "ASCII-8BIT", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x01", "ISO-8859-1", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "ISO-8859-1", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x01", "ISO-8859-1", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x01", "UTF-16BE", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "UTF-16BE", "\u0101", nil],
+ ["ISO-2022-JP", "\x01\x01", "UTF-16BE", "\u0181", nil],
+ ["ISO-2022-JP", "\x01\x01", "ISO-2022-JP", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x01", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "US-ASCII", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "US-ASCII", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x81", "US-ASCII", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x81", "UTF-8", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "UTF-8", "\u0001\u0001", nil],
+ ["ISO-2022-JP", "\x01\x81", "UTF-8", "\u0001\x81", nil],
+ ["ISO-2022-JP", "\x01\x81", "ASCII-8BIT", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "ASCII-8BIT", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x81", "ASCII-8BIT", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x81", "ISO-8859-1", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "ISO-8859-1", "\x01\x01", nil],
+ ["ISO-2022-JP", "\x01\x81", "ISO-8859-1", "\x01\x81", nil],
+ ["ISO-2022-JP", "\x01\x81", "UTF-16BE", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "UTF-16BE", "\u0101", nil],
+ ["ISO-2022-JP", "\x01\x81", "UTF-16BE", "\u0181", nil],
+ ["ISO-2022-JP", "\x01\x81", "ISO-2022-JP", "", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "ISO-2022-JP", "\x01\x01", "ISO-2022-JP"],
+ ["ISO-2022-JP", "\x01\x81", "ISO-2022-JP", "\x01\x81", "ISO-2022-JP"],
+ ]
+
+ matrix.each do |encoding1, value1, encoding2, value2, compatible_encoding|
+ it "returns #{compatible_encoding} for #{value1.inspect} in #{encoding1} and #{value2.inspect} in #{encoding2}" do
+ actual_encoding = Encoding.compatible?(value1.dup.force_encoding(encoding1), value2.dup.force_encoding(encoding2))
+ actual_encoding&.name.should == compatible_encoding
+ end
+ end
+ end
end
describe "Encoding.compatible? String, Regexp" do
it "returns US-ASCII if both are US-ASCII" do
- str = "abc".force_encoding("us-ascii")
+ str = "abc".dup.force_encoding("us-ascii")
Encoding.compatible?(str, /abc/).should == Encoding::US_ASCII
end
@@ -180,15 +553,15 @@ describe "Encoding.compatible? String, Regexp" do
it "returns the String's Encoding if the String is not ASCII only" do
[ [Encoding, "\xff", Encoding::BINARY],
[Encoding, "\u3042".encode("utf-8"), Encoding::UTF_8],
- [Encoding, "\xa4\xa2".force_encoding("euc-jp"), Encoding::EUC_JP],
- [Encoding, "\x82\xa0".force_encoding("shift_jis"), Encoding::Shift_JIS],
+ [Encoding, "\xa4\xa2".dup.force_encoding("euc-jp"), Encoding::EUC_JP],
+ [Encoding, "\x82\xa0".dup.force_encoding("shift_jis"), Encoding::Shift_JIS],
].should be_computed_by(:compatible?, /abc/)
end
end
describe "Encoding.compatible? String, Symbol" do
it "returns US-ASCII if both are ASCII only" do
- str = "abc".force_encoding("us-ascii")
+ str = "abc".dup.force_encoding("us-ascii")
Encoding.compatible?(str, :abc).should == Encoding::US_ASCII
end
@@ -203,8 +576,8 @@ describe "Encoding.compatible? String, Symbol" do
it "returns the String's Encoding if the String is not ASCII only" do
[ [Encoding, "\xff", Encoding::BINARY],
[Encoding, "\u3042".encode("utf-8"), Encoding::UTF_8],
- [Encoding, "\xa4\xa2".force_encoding("euc-jp"), Encoding::EUC_JP],
- [Encoding, "\x82\xa0".force_encoding("shift_jis"), Encoding::Shift_JIS],
+ [Encoding, "\xa4\xa2".dup.force_encoding("euc-jp"), Encoding::EUC_JP],
+ [Encoding, "\x82\xa0".dup.force_encoding("shift_jis"), Encoding::Shift_JIS],
].should be_computed_by(:compatible?, :abc)
end
end
@@ -221,8 +594,8 @@ describe "Encoding.compatible? String, Encoding" do
it "returns the String's encoding if the Encoding is US-ASCII" do
[ [Encoding, "\xff", Encoding::BINARY],
[Encoding, "\u3042".encode("utf-8"), Encoding::UTF_8],
- [Encoding, "\xa4\xa2".force_encoding("euc-jp"), Encoding::EUC_JP],
- [Encoding, "\x82\xa0".force_encoding("shift_jis"), Encoding::Shift_JIS],
+ [Encoding, "\xa4\xa2".dup.force_encoding("euc-jp"), Encoding::EUC_JP],
+ [Encoding, "\x82\xa0".dup.force_encoding("shift_jis"), Encoding::Shift_JIS],
].should be_computed_by(:compatible?, Encoding::US_ASCII)
end
@@ -242,7 +615,7 @@ end
describe "Encoding.compatible? Regexp, String" do
it "returns US-ASCII if both are US-ASCII" do
- str = "abc".force_encoding("us-ascii")
+ str = "abc".dup.force_encoding("us-ascii")
Encoding.compatible?(/abc/, str).should == Encoding::US_ASCII
end
@@ -256,8 +629,8 @@ describe "Encoding.compatible? Regexp, Regexp" do
it "returns the first's Encoding if it is not US-ASCII and not ASCII only" do
[ [Encoding, Regexp.new("\xff"), Encoding::BINARY],
[Encoding, Regexp.new("\u3042".encode("utf-8")), Encoding::UTF_8],
- [Encoding, Regexp.new("\xa4\xa2".force_encoding("euc-jp")), Encoding::EUC_JP],
- [Encoding, Regexp.new("\x82\xa0".force_encoding("shift_jis")), Encoding::Shift_JIS],
+ [Encoding, Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp")), Encoding::EUC_JP],
+ [Encoding, Regexp.new("\x82\xa0".dup.force_encoding("shift_jis")), Encoding::Shift_JIS],
].should be_computed_by(:compatible?, /abc/)
end
end
@@ -270,15 +643,15 @@ describe "Encoding.compatible? Regexp, Symbol" do
it "returns the first's Encoding if it is not US-ASCII and not ASCII only" do
[ [Encoding, Regexp.new("\xff"), Encoding::BINARY],
[Encoding, Regexp.new("\u3042".encode("utf-8")), Encoding::UTF_8],
- [Encoding, Regexp.new("\xa4\xa2".force_encoding("euc-jp")), Encoding::EUC_JP],
- [Encoding, Regexp.new("\x82\xa0".force_encoding("shift_jis")), Encoding::Shift_JIS],
+ [Encoding, Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp")), Encoding::EUC_JP],
+ [Encoding, Regexp.new("\x82\xa0".dup.force_encoding("shift_jis")), Encoding::Shift_JIS],
].should be_computed_by(:compatible?, /abc/)
end
end
describe "Encoding.compatible? Symbol, String" do
it "returns US-ASCII if both are ASCII only" do
- str = "abc".force_encoding("us-ascii")
+ str = "abc".dup.force_encoding("us-ascii")
Encoding.compatible?(str, :abc).should == Encoding::US_ASCII
end
end
@@ -291,8 +664,8 @@ describe "Encoding.compatible? Symbol, Regexp" do
it "returns the Regexp's Encoding if it is not US-ASCII and not ASCII only" do
a = Regexp.new("\xff")
b = Regexp.new("\u3042".encode("utf-8"))
- c = Regexp.new("\xa4\xa2".force_encoding("euc-jp"))
- d = Regexp.new("\x82\xa0".force_encoding("shift_jis"))
+ c = Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp"))
+ d = Regexp.new("\x82\xa0".dup.force_encoding("shift_jis"))
[ [Encoding, :abc, a, Encoding::BINARY],
[Encoding, :abc, b, Encoding::UTF_8],
@@ -310,8 +683,8 @@ describe "Encoding.compatible? Symbol, Symbol" do
it "returns the first's Encoding if it is not ASCII only" do
[ [Encoding, "\xff".to_sym, Encoding::BINARY],
[Encoding, "\u3042".encode("utf-8").to_sym, Encoding::UTF_8],
- [Encoding, "\xa4\xa2".force_encoding("euc-jp").to_sym, Encoding::EUC_JP],
- [Encoding, "\x82\xa0".force_encoding("shift_jis").to_sym, Encoding::Shift_JIS],
+ [Encoding, "\xa4\xa2".dup.force_encoding("euc-jp").to_sym, Encoding::EUC_JP],
+ [Encoding, "\x82\xa0".dup.force_encoding("shift_jis").to_sym, Encoding::Shift_JIS],
].should be_computed_by(:compatible?, :abc)
end
end
@@ -377,3 +750,9 @@ describe "Encoding.compatible? Object, Object" do
Encoding.compatible?(:sym, Object.new).should be_nil
end
end
+
+describe "Encoding.compatible? nil, nil" do
+ it "returns nil" do
+ Encoding.compatible?(nil, nil).should be_nil
+ end
+end
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-21 20:37:27 +0000