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# -*- encoding: binary -*-
require_relative '../../spec_helper'
require_relative '../fixtures/classes'
describe "Regexps with encoding modifiers" do
it "supports /e (EUC encoding)" do
match = /./e.match("\303\251".force_encoding(Encoding::EUC_JP))
match.to_a.should == ["\303\251".force_encoding(Encoding::EUC_JP)]
end
it "supports /e (EUC encoding) with interpolation" do
match = /#{/./}/e.match("\303\251".force_encoding(Encoding::EUC_JP))
match.to_a.should == ["\303\251".force_encoding(Encoding::EUC_JP)]
end
it "supports /e (EUC encoding) with interpolation /o" do
match = /#{/./}/e.match("\303\251".force_encoding(Encoding::EUC_JP))
match.to_a.should == ["\303\251".force_encoding(Encoding::EUC_JP)]
end
it 'uses EUC-JP as /e encoding' do
/./e.encoding.should == Encoding::EUC_JP
end
it 'preserves EUC-JP as /e encoding through interpolation' do
/#{/./}/e.encoding.should == Encoding::EUC_JP
end
it "supports /n (No encoding)" do
/./n.match("\303\251").to_a.should == ["\303"]
end
it "supports /n (No encoding) with interpolation" do
/#{/./}/n.match("\303\251").to_a.should == ["\303"]
end
it "supports /n (No encoding) with interpolation /o" do
/#{/./}/n.match("\303\251").to_a.should == ["\303"]
end
it 'uses US-ASCII as /n encoding if all chars are 7-bit' do
/./n.encoding.should == Encoding::US_ASCII
end
it 'uses BINARY when is not initialized' do
Regexp.allocate.encoding.should == Encoding::BINARY
end
it 'uses BINARY as /n encoding if not all chars are 7-bit' do
/\xFF/n.encoding.should == Encoding::BINARY
end
it 'preserves US-ASCII as /n encoding through interpolation if all chars are 7-bit' do
/.#{/./}/n.encoding.should == Encoding::US_ASCII
end
it 'preserves BINARY as /n encoding through interpolation if all chars are 7-bit' do
/\xFF#{/./}/n.encoding.should == Encoding::BINARY
end
it "supports /s (Windows_31J encoding)" do
match = /./s.match("\303\251".force_encoding(Encoding::Windows_31J))
match.to_a.should == ["\303".force_encoding(Encoding::Windows_31J)]
end
it "supports /s (Windows_31J encoding) with interpolation" do
match = /#{/./}/s.match("\303\251".force_encoding(Encoding::Windows_31J))
match.to_a.should == ["\303".force_encoding(Encoding::Windows_31J)]
end
it "supports /s (Windows_31J encoding) with interpolation and /o" do
match = /#{/./}/s.match("\303\251".force_encoding(Encoding::Windows_31J))
match.to_a.should == ["\303".force_encoding(Encoding::Windows_31J)]
end
it 'uses Windows-31J as /s encoding' do
/./s.encoding.should == Encoding::Windows_31J
end
it 'preserves Windows-31J as /s encoding through interpolation' do
/#{/./}/s.encoding.should == Encoding::Windows_31J
end
it "supports /u (UTF8 encoding)" do
/./u.match("\303\251".force_encoding('utf-8')).to_a.should == ["\u{e9}"]
end
it "supports /u (UTF8 encoding) with interpolation" do
/#{/./}/u.match("\303\251".force_encoding('utf-8')).to_a.should == ["\u{e9}"]
end
it "supports /u (UTF8 encoding) with interpolation and /o" do
/#{/./}/u.match("\303\251".force_encoding('utf-8')).to_a.should == ["\u{e9}"]
end
it 'uses UTF-8 as /u encoding' do
/./u.encoding.should == Encoding::UTF_8
end
it 'preserves UTF-8 as /u encoding through interpolation' do
/#{/./}/u.encoding.should == Encoding::UTF_8
end
it "selects last of multiple encoding specifiers" do
/foo/ensuensuens.should == /foo/s
end
it "raises Encoding::CompatibilityError when trying match against different encodings" do
-> { /\A[[:space:]]*\z/.match(" ".encode("UTF-16LE")) }.should raise_error(Encoding::CompatibilityError)
end
it "raises Encoding::CompatibilityError when trying match? against different encodings" do
-> { /\A[[:space:]]*\z/.match?(" ".encode("UTF-16LE")) }.should raise_error(Encoding::CompatibilityError)
end
it "raises Encoding::CompatibilityError when trying =~ against different encodings" do
-> { /\A[[:space:]]*\z/ =~ " ".encode("UTF-16LE") }.should raise_error(Encoding::CompatibilityError)
end
it "computes the Regexp Encoding for each interpolated Regexp instance" do
make_regexp = -> str { /#{str}/ }
r = make_regexp.call("été".force_encoding(Encoding::UTF_8))
r.should.fixed_encoding?
r.encoding.should == Encoding::UTF_8
r = make_regexp.call("abc".force_encoding(Encoding::UTF_8))
r.should_not.fixed_encoding?
r.encoding.should == Encoding::US_ASCII
end
end
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