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-rw-r--r--spec/ruby/core/encoding/converter/replacement_spec.rb74
1 files changed, 74 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/converter/replacement_spec.rb b/spec/ruby/core/encoding/converter/replacement_spec.rb
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+++ b/spec/ruby/core/encoding/converter/replacement_spec.rb
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+require File.expand_path('../../../../spec_helper', __FILE__)
+
+with_feature :encoding do
+ describe "Encoding::Converter#replacement" do
+ it "returns '?' in US-ASCII when the destination encoding is not UTF-8" do
+ ec = Encoding::Converter.new("utf-8", "us-ascii")
+ ec.replacement.should == "?"
+ ec.replacement.encoding.should == Encoding::US_ASCII
+
+ ec = Encoding::Converter.new("utf-8", "sjis")
+ ec.replacement.should == "?"
+ ec.replacement.encoding.should == Encoding::US_ASCII
+ end
+
+ it "returns \\uFFFD when the destination encoding is UTF-8" do
+ ec = Encoding::Converter.new("us-ascii", "utf-8")
+ ec.replacement.should == "\u{fffd}".force_encoding('utf-8')
+ ec.replacement.encoding.should == Encoding::UTF_8
+ end
+ end
+
+ describe "Encoding::Converter#replacement=" do
+ it "accepts a String argument" do
+ ec = Encoding::Converter.new("utf-8", "us-ascii")
+ ec.replacement = "!"
+ ec.replacement.should == "!"
+ end
+
+ it "accepts a String argument of arbitrary length" do
+ ec = Encoding::Converter.new("utf-8", "us-ascii")
+ ec.replacement = "?!?" * 9999
+ ec.replacement.should == "?!?" * 9999
+ end
+
+ it "raises a TypeError if assigned a non-String argument" do
+ ec = Encoding::Converter.new("utf-8", "us-ascii")
+ lambda { ec.replacement = nil }.should raise_error(TypeError)
+ end
+
+ it "sets #replacement" do
+ ec = Encoding::Converter.new("us-ascii", "utf-8")
+ ec.replacement.should == "\u{fffd}".force_encoding('utf-8')
+ ec.replacement = '?'.encode('utf-8')
+ ec.replacement.should == '?'.force_encoding('utf-8')
+ end
+
+ it "raises an UndefinedConversionError is the argument cannot be converted into the destination encoding" do
+ ec = Encoding::Converter.new("sjis", "ascii")
+ utf8_q = "\u{986}".force_encoding('utf-8')
+ ec.primitive_convert(utf8_q.dup, "").should == :undefined_conversion
+ lambda { ec.replacement = utf8_q }.should \
+ raise_error(Encoding::UndefinedConversionError)
+ end
+
+ it "does not change the replacement character if the argument cannot be converted into the destination encoding" do
+ ec = Encoding::Converter.new("sjis", "ascii")
+ utf8_q = "\u{986}".force_encoding('utf-8')
+ ec.primitive_convert(utf8_q.dup, "").should == :undefined_conversion
+ lambda { ec.replacement = utf8_q }.should \
+ raise_error(Encoding::UndefinedConversionError)
+ ec.replacement.should == "?".force_encoding('us-ascii')
+ end
+
+ it "uses the replacement character" do
+ ec = Encoding::Converter.new("utf-8", "us-ascii", :invalid => :replace, :undef => :replace)
+ ec.replacement = "!"
+ dest = ""
+ status = ec.primitive_convert "中文123", dest
+
+ status.should == :finished
+ dest.should == "!!123"
+ end
+ end
+end