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-rw-r--r--spec/ruby/core/encoding/compatible_spec.rb499
1 files changed, 446 insertions, 53 deletions
diff --git a/spec/ruby/core/encoding/compatible_spec.rb b/spec/ruby/core/encoding/compatible_spec.rb
index dc47a6553a..0d620e5bf3 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
@@ -33,29 +33,29 @@ 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 = "123".force_encoding("UTF-16LE")
- Encoding.compatible?(a, b).should be_nil
+ a = "abc".dup.force_encoding("UTF-8")
+ b = "1234".dup.force_encoding("UTF-16LE")
+ Encoding.compatible?(a, b).should == nil
end
end
@@ -69,36 +69,36 @@ describe "Encoding.compatible? String, String" do
end
it "returns nil if the second encoding is ASCII compatible but neither String's encoding is ASCII only" do
- Encoding.compatible?("\xff", "\u3042".encode("utf-8")).should be_nil
+ Encoding.compatible?("\xff", "\u3042".encode("utf-8")).should == nil
end
end
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
- Encoding.compatible?(@str, "def".encode("us-ascii")).should be_nil
+ Encoding.compatible?(@str, "def".encode("us-ascii")).should == nil
end
it "returns nil when the second String is BINARY and ASCII only" do
- Encoding.compatible?(@str, "\x7f").should be_nil
+ Encoding.compatible?(@str, "\x7f").should == nil
end
it "returns nil when the second String is BINARY but not ASCII only" do
- Encoding.compatible?(@str, "\xff").should be_nil
+ Encoding.compatible?(@str, "\xff").should == nil
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
@@ -110,15 +110,15 @@ describe "Encoding.compatible? String, String" do
end
it "returns nil when the second's Encoding is BINARY but not ASCII only" do
- Encoding.compatible?(@str, "\xff").should be_nil
+ Encoding.compatible?(@str, "\xff").should == nil
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 == 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 == 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 +553,20 @@ 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
+
+ it "returns the Regexp's Encoding if the String is ASCII only and the Regexp is not" do
+ r = Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp"))
+ Encoding.compatible?("hello".dup.force_encoding("utf-8"), r).should == Encoding::EUC_JP
+ 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
@@ -203,26 +581,26 @@ 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
describe "Encoding.compatible? String, Encoding" do
it "returns nil if the String's encoding is not ASCII compatible" do
- Encoding.compatible?("abc".encode("utf-32le"), Encoding::US_ASCII).should be_nil
+ Encoding.compatible?("abc".encode("utf-32le"), Encoding::US_ASCII).should == nil
end
it "returns nil if the Encoding is not ASCII compatible" do
- Encoding.compatible?("abc".encode("us-ascii"), Encoding::UTF_32LE).should be_nil
+ Encoding.compatible?("abc".encode("us-ascii"), Encoding::UTF_32LE).should == nil
end
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
@@ -236,16 +614,25 @@ describe "Encoding.compatible? String, Encoding" do
end
it "returns nil if the String's encoding is ASCII compatible but the string is not ASCII only" do
- Encoding.compatible?("\u3042".encode("utf-8"), Encoding::BINARY).should be_nil
+ Encoding.compatible?("\u3042".encode("utf-8"), Encoding::BINARY).should == nil
end
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
+ it "returns the String's Encoding when the String is ASCII only with a different encoding" do
+ r = Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp"))
+ Encoding.compatible?(r, "hello".dup.force_encoding("utf-8")).should == Encoding::UTF_8
+ end
+
+ it "returns the Regexp's Encoding if the String has the same non-ASCII encoding" do
+ r = Regexp.new("\xa4\xa2".dup.force_encoding("euc-jp"))
+ Encoding.compatible?(r, "hello".dup.force_encoding("euc-jp")).should == Encoding::EUC_JP
+ end
end
describe "Encoding.compatible? Regexp, Regexp" do
@@ -256,8 +643,8 @@ 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 +657,15 @@ 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 +678,8 @@ 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 +697,8 @@ 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
@@ -354,26 +741,32 @@ end
describe "Encoding.compatible? Object, Object" do
it "returns nil for Object, String" do
- Encoding.compatible?(Object.new, "abc").should be_nil
+ Encoding.compatible?(Object.new, "abc").should == nil
end
it "returns nil for Object, Regexp" do
- Encoding.compatible?(Object.new, /./).should be_nil
+ Encoding.compatible?(Object.new, /./).should == nil
end
it "returns nil for Object, Symbol" do
- Encoding.compatible?(Object.new, :sym).should be_nil
+ Encoding.compatible?(Object.new, :sym).should == nil
end
it "returns nil for String, Object" do
- Encoding.compatible?("abc", Object.new).should be_nil
+ Encoding.compatible?("abc", Object.new).should == nil
end
it "returns nil for Regexp, Object" do
- Encoding.compatible?(/./, Object.new).should be_nil
+ Encoding.compatible?(/./, Object.new).should == nil
end
it "returns nil for Symbol, Object" do
- Encoding.compatible?(:sym, Object.new).should be_nil
+ Encoding.compatible?(:sym, Object.new).should == nil
+ end
+end
+
+describe "Encoding.compatible? nil, nil" do
+ it "returns nil" do
+ Encoding.compatible?(nil, nil).should == nil
end
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 23:36:04 +0000