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Diffstat (limited to 'spec/rubyspec/core/string/tr_s_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/tr_s_spec.rb | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/spec/rubyspec/core/string/tr_s_spec.rb b/spec/rubyspec/core/string/tr_s_spec.rb deleted file mode 100644 index ea2ffa71b9..0000000000 --- a/spec/rubyspec/core/string/tr_s_spec.rb +++ /dev/null @@ -1,136 +0,0 @@ -# -*- encoding: utf-8 -*- -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes.rb', __FILE__) - -describe "String#tr_s" do - it "returns a string processed according to tr with newly duplicate characters removed" do - "hello".tr_s('l', 'r').should == "hero" - "hello".tr_s('el', '*').should == "h*o" - "hello".tr_s('el', 'hx').should == "hhxo" - "hello".tr_s('o', '.').should == "hell." - end - - it "accepts c1-c2 notation to denote ranges of characters" do - "hello".tr_s('a-y', 'b-z').should == "ifmp" - "123456789".tr_s("2-5", "abcdefg").should == "1abcd6789" - "hello ^--^".tr_s("e-", "__").should == "h_llo ^_^" - "hello ^--^".tr_s("---", "_").should == "hello ^_^" - end - - it "pads to_str with its last char if it is shorter than from_string" do - "this".tr_s("this", "x").should == "x" - end - - it "translates chars not in from_string when it starts with a ^" do - "hello".tr_s('^aeiou', '*').should == "*e*o" - "123456789".tr_s("^345", "abc").should == "c345c" - "abcdefghijk".tr_s("^d-g", "9131").should == "1defg1" - - "hello ^_^".tr_s("a-e^e", ".").should == "h.llo ._." - "hello ^_^".tr_s("^^", ".").should == ".^.^" - "hello ^_^".tr_s("^", "x").should == "hello x_x" - "hello ^-^".tr_s("^-^", "x").should == "x^-^" - "hello ^-^".tr_s("^^-^", "x").should == "x^x^" - "hello ^-^".tr_s("^---", "x").should == "x-x" - "hello ^-^".tr_s("^---l-o", "x").should == "xllox-x" - end - - it "tries to convert from_str and to_str to strings using to_str" do - from_str = mock('ab') - from_str.should_receive(:to_str).and_return("ab") - - to_str = mock('AB') - to_str.should_receive(:to_str).and_return("AB") - - "bla".tr_s(from_str, to_str).should == "BlA" - end - - it "returns subclass instances when called on a subclass" do - StringSpecs::MyString.new("hello").tr_s("e", "a").should be_an_instance_of(StringSpecs::MyString) - end - - it "taints the result when self is tainted" do - ["h", "hello"].each do |str| - tainted_str = str.dup.taint - - tainted_str.tr_s("e", "a").tainted?.should == true - - str.tr_s("e".taint, "a").tainted?.should == false - str.tr_s("e", "a".taint).tainted?.should == false - end - end - - with_feature :encoding do - # http://redmine.ruby-lang.org/issues/show/1839 - it "can replace a 7-bit ASCII character with a multibyte one" do - a = "uber" - a.encoding.should == Encoding::UTF_8 - b = a.tr_s("u","ü") - b.should == "über" - b.encoding.should == Encoding::UTF_8 - end - - it "can replace multiple 7-bit ASCII characters with a multibyte one" do - a = "uuuber" - a.encoding.should == Encoding::UTF_8 - b = a.tr_s("u","ü") - b.should == "über" - b.encoding.should == Encoding::UTF_8 - end - - it "can replace a multibyte character with a single byte one" do - a = "über" - a.encoding.should == Encoding::UTF_8 - b = a.tr_s("ü","u") - b.should == "uber" - b.encoding.should == Encoding::UTF_8 - end - - it "can replace multiple multibyte characters with a single byte one" do - a = "üüüber" - a.encoding.should == Encoding::UTF_8 - b = a.tr_s("ü","u") - b.should == "uber" - b.encoding.should == Encoding::UTF_8 - end - - it "does not replace a multibyte character where part of the bytes match the tr string" do - str = "椎名深夏" - a = "\u0080\u0082\u0083\u0084\u0085\u0086\u0087\u0088\u0089\u008A\u008B\u008C\u008E\u0091\u0092\u0093\u0094\u0095\u0096\u0097\u0098\u0099\u009A\u009B\u009C\u009E\u009F" - b = "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ" - str.tr_s(a, b).should == "椎名深夏" - end - - end - -end - -describe "String#tr_s!" do - it "modifies self in place" do - s = "hello" - s.tr_s!("l", "r").should == "hero" - s.should == "hero" - end - - it "returns nil if no modification was made" do - s = "hello" - s.tr_s!("za", "yb").should == nil - s.tr_s!("", "").should == nil - s.should == "hello" - end - - it "does not modify self if from_str is empty" do - s = "hello" - s.tr_s!("", "").should == nil - s.should == "hello" - s.tr_s!("", "yb").should == nil - s.should == "hello" - end - - it "raises a RuntimeError if self is frozen" do - s = "hello".freeze - lambda { s.tr_s!("el", "ar") }.should raise_error(RuntimeError) - lambda { s.tr_s!("l", "r") }.should raise_error(RuntimeError) - lambda { s.tr_s!("", "") }.should raise_error(RuntimeError) - end -end |