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Diffstat (limited to 'spec/rubyspec/core/string/rindex_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/rindex_spec.rb | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/spec/rubyspec/core/string/rindex_spec.rb b/spec/rubyspec/core/string/rindex_spec.rb deleted file mode 100644 index 7085914189..0000000000 --- a/spec/rubyspec/core/string/rindex_spec.rb +++ /dev/null @@ -1,368 +0,0 @@ -# -*- encoding: utf-8 -*- -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes.rb', __FILE__) -require File.expand_path('../fixtures/utf-8-encoding.rb', __FILE__) - -describe "String#rindex with object" do - it "raises a TypeError if obj isn't a String, Fixnum or Regexp" do - not_supported_on :opal do - lambda { "hello".rindex(:sym) }.should raise_error(TypeError) - end - lambda { "hello".rindex(mock('x')) }.should raise_error(TypeError) - end - - it "doesn't try to convert obj to an integer via to_int" do - obj = mock('x') - obj.should_not_receive(:to_int) - lambda { "hello".rindex(obj) }.should raise_error(TypeError) - end - - it "tries to convert obj to a string via to_str" do - obj = mock('lo') - def obj.to_str() "lo" end - "hello".rindex(obj).should == "hello".rindex("lo") - - obj = mock('o') - def obj.respond_to?(arg, *) true end - def obj.method_missing(*args) "o" end - "hello".rindex(obj).should == "hello".rindex("o") - end -end - -describe "String#rindex with String" do - it "behaves the same as String#rindex(char) for one-character strings" do - "blablabla hello cruel world...!".split("").uniq.each do |str| - chr = str[0] - str.rindex(str).should == str.rindex(chr) - - 0.upto(str.size + 1) do |start| - str.rindex(str, start).should == str.rindex(chr, start) - end - - (-str.size - 1).upto(-1) do |start| - str.rindex(str, start).should == str.rindex(chr, start) - end - end - end - - it "behaves the same as String#rindex(?char) for one-character strings" do - "blablabla hello cruel world...!".split("").uniq.each do |str| - chr = str[0] =~ / / ? str[0] : eval("?#{str[0]}") - str.rindex(str).should == str.rindex(chr) - - 0.upto(str.size + 1) do |start| - str.rindex(str, start).should == str.rindex(chr, start) - end - - (-str.size - 1).upto(-1) do |start| - str.rindex(str, start).should == str.rindex(chr, start) - end - end - end - - it "returns the index of the last occurrence of the given substring" do - "blablabla".rindex("").should == 9 - "blablabla".rindex("a").should == 8 - "blablabla".rindex("la").should == 7 - "blablabla".rindex("bla").should == 6 - "blablabla".rindex("abla").should == 5 - "blablabla".rindex("labla").should == 4 - "blablabla".rindex("blabla").should == 3 - "blablabla".rindex("ablabla").should == 2 - "blablabla".rindex("lablabla").should == 1 - "blablabla".rindex("blablabla").should == 0 - - "blablabla".rindex("l").should == 7 - "blablabla".rindex("bl").should == 6 - "blablabla".rindex("abl").should == 5 - "blablabla".rindex("labl").should == 4 - "blablabla".rindex("blabl").should == 3 - "blablabla".rindex("ablabl").should == 2 - "blablabla".rindex("lablabl").should == 1 - "blablabla".rindex("blablabl").should == 0 - - "blablabla".rindex("b").should == 6 - "blablabla".rindex("ab").should == 5 - "blablabla".rindex("lab").should == 4 - "blablabla".rindex("blab").should == 3 - "blablabla".rindex("ablab").should == 2 - "blablabla".rindex("lablab").should == 1 - "blablabla".rindex("blablab").should == 0 - end - - it "doesn't set $~" do - $~ = nil - - 'hello.'.rindex('ll') - $~.should == nil - end - - it "ignores string subclasses" do - "blablabla".rindex(StringSpecs::MyString.new("bla")).should == 6 - StringSpecs::MyString.new("blablabla").rindex("bla").should == 6 - StringSpecs::MyString.new("blablabla").rindex(StringSpecs::MyString.new("bla")).should == 6 - end - - it "starts the search at the given offset" do - "blablabla".rindex("bl", 0).should == 0 - "blablabla".rindex("bl", 1).should == 0 - "blablabla".rindex("bl", 2).should == 0 - "blablabla".rindex("bl", 3).should == 3 - - "blablabla".rindex("bla", 0).should == 0 - "blablabla".rindex("bla", 1).should == 0 - "blablabla".rindex("bla", 2).should == 0 - "blablabla".rindex("bla", 3).should == 3 - - "blablabla".rindex("blab", 0).should == 0 - "blablabla".rindex("blab", 1).should == 0 - "blablabla".rindex("blab", 2).should == 0 - "blablabla".rindex("blab", 3).should == 3 - "blablabla".rindex("blab", 6).should == 3 - "blablablax".rindex("blab", 6).should == 3 - - "blablabla".rindex("la", 1).should == 1 - "blablabla".rindex("la", 2).should == 1 - "blablabla".rindex("la", 3).should == 1 - "blablabla".rindex("la", 4).should == 4 - - "blablabla".rindex("lab", 1).should == 1 - "blablabla".rindex("lab", 2).should == 1 - "blablabla".rindex("lab", 3).should == 1 - "blablabla".rindex("lab", 4).should == 4 - - "blablabla".rindex("ab", 2).should == 2 - "blablabla".rindex("ab", 3).should == 2 - "blablabla".rindex("ab", 4).should == 2 - "blablabla".rindex("ab", 5).should == 5 - - "blablabla".rindex("", 0).should == 0 - "blablabla".rindex("", 1).should == 1 - "blablabla".rindex("", 2).should == 2 - "blablabla".rindex("", 7).should == 7 - "blablabla".rindex("", 8).should == 8 - "blablabla".rindex("", 9).should == 9 - "blablabla".rindex("", 10).should == 9 - end - - it "starts the search at offset + self.length if offset is negative" do - str = "blablabla" - - ["bl", "bla", "blab", "la", "lab", "ab", ""].each do |needle| - (-str.length .. -1).each do |offset| - str.rindex(needle, offset).should == - str.rindex(needle, offset + str.length) - end - end - end - - it "returns nil if the substring isn't found" do - "blablabla".rindex("B").should == nil - "blablabla".rindex("z").should == nil - "blablabla".rindex("BLA").should == nil - "blablabla".rindex("blablablabla").should == nil - - "hello".rindex("lo", 0).should == nil - "hello".rindex("lo", 1).should == nil - "hello".rindex("lo", 2).should == nil - - "hello".rindex("llo", 0).should == nil - "hello".rindex("llo", 1).should == nil - - "hello".rindex("el", 0).should == nil - "hello".rindex("ello", 0).should == nil - - "hello".rindex("", -6).should == nil - "hello".rindex("", -7).should == nil - - "hello".rindex("h", -6).should == nil - end - - it "tries to convert start_offset to an integer via to_int" do - obj = mock('5') - def obj.to_int() 5 end - "str".rindex("st", obj).should == 0 - - obj = mock('5') - def obj.respond_to?(arg, *) true end - def obj.method_missing(*args) 5 end - "str".rindex("st", obj).should == 0 - end - - it "raises a TypeError when given offset is nil" do - lambda { "str".rindex("st", nil) }.should raise_error(TypeError) - end -end - -describe "String#rindex with Regexp" do - it "behaves the same as String#rindex(string) for escaped string regexps" do - ["blablabla", "hello cruel world...!"].each do |str| - ["", "b", "bla", "lab", "o c", "d."].each do |needle| - regexp = Regexp.new(Regexp.escape(needle)) - str.rindex(regexp).should == str.rindex(needle) - - 0.upto(str.size + 1) do |start| - str.rindex(regexp, start).should == str.rindex(needle, start) - end - - (-str.size - 1).upto(-1) do |start| - str.rindex(regexp, start).should == str.rindex(needle, start) - end - end - end - end - - it "returns the index of the first match from the end of string of regexp" do - "blablabla".rindex(/bla/).should == 6 - "blablabla".rindex(/BLA/i).should == 6 - - "blablabla".rindex(/.{0}/).should == 9 - "blablabla".rindex(/.{1}/).should == 8 - "blablabla".rindex(/.{2}/).should == 7 - "blablabla".rindex(/.{6}/).should == 3 - "blablabla".rindex(/.{9}/).should == 0 - - "blablabla".rindex(/.*/).should == 9 - "blablabla".rindex(/.+/).should == 8 - - "blablabla".rindex(/bla|a/).should == 8 - - not_supported_on :opal do - "blablabla".rindex(/\A/).should == 0 - "blablabla".rindex(/\Z/).should == 9 - "blablabla".rindex(/\z/).should == 9 - "blablabla\n".rindex(/\Z/).should == 10 - "blablabla\n".rindex(/\z/).should == 10 - end - - "blablabla".rindex(/^/).should == 0 - not_supported_on :opal do - "\nblablabla".rindex(/^/).should == 1 - "b\nlablabla".rindex(/^/).should == 2 - end - "blablabla".rindex(/$/).should == 9 - - "blablabla".rindex(/.l./).should == 6 - end - - it "sets $~ to MatchData of match and nil when there's none" do - 'hello.'.rindex(/.(.)/) - $~[0].should == 'o.' - - 'hello.'.rindex(/not/) - $~.should == nil - end - - it "starts the search at the given offset" do - "blablabla".rindex(/.{0}/, 5).should == 5 - "blablabla".rindex(/.{1}/, 5).should == 5 - "blablabla".rindex(/.{2}/, 5).should == 5 - "blablabla".rindex(/.{3}/, 5).should == 5 - "blablabla".rindex(/.{4}/, 5).should == 5 - - "blablabla".rindex(/.{0}/, 3).should == 3 - "blablabla".rindex(/.{1}/, 3).should == 3 - "blablabla".rindex(/.{2}/, 3).should == 3 - "blablabla".rindex(/.{5}/, 3).should == 3 - "blablabla".rindex(/.{6}/, 3).should == 3 - - "blablabla".rindex(/.l./, 0).should == 0 - "blablabla".rindex(/.l./, 1).should == 0 - "blablabla".rindex(/.l./, 2).should == 0 - "blablabla".rindex(/.l./, 3).should == 3 - - "blablablax".rindex(/.x/, 10).should == 8 - "blablablax".rindex(/.x/, 9).should == 8 - "blablablax".rindex(/.x/, 8).should == 8 - - "blablablax".rindex(/..x/, 10).should == 7 - "blablablax".rindex(/..x/, 9).should == 7 - "blablablax".rindex(/..x/, 8).should == 7 - "blablablax".rindex(/..x/, 7).should == 7 - - not_supported_on :opal do - "blablabla\n".rindex(/\Z/, 9).should == 9 - end - end - - it "starts the search at offset + self.length if offset is negative" do - str = "blablabla" - - ["bl", "bla", "blab", "la", "lab", "ab", ""].each do |needle| - (-str.length .. -1).each do |offset| - str.rindex(needle, offset).should == - str.rindex(needle, offset + str.length) - end - end - end - - it "returns nil if the substring isn't found" do - "blablabla".rindex(/BLA/).should == nil - "blablabla".rindex(/.{10}/).should == nil - "blablablax".rindex(/.x/, 7).should == nil - "blablablax".rindex(/..x/, 6).should == nil - - not_supported_on :opal do - "blablabla".rindex(/\Z/, 5).should == nil - "blablabla".rindex(/\z/, 5).should == nil - "blablabla\n".rindex(/\z/, 9).should == nil - end - end - - not_supported_on :opal do - it "supports \\G which matches at the given start offset" do - "helloYOU.".rindex(/YOU\G/, 8).should == 5 - "helloYOU.".rindex(/YOU\G/).should == nil - - idx = "helloYOUall!".index("YOU") - re = /YOU.+\G.+/ - # The # marks where \G will match. - [ - ["helloYOU#all.", nil], - ["helloYOUa#ll.", idx], - ["helloYOUal#l.", idx], - ["helloYOUall#.", idx], - ["helloYOUall.#", nil] - ].each do |i| - start = i[0].index("#") - str = i[0].delete("#") - - str.rindex(re, start).should == i[1] - end - end - end - - it "tries to convert start_offset to an integer via to_int" do - obj = mock('5') - def obj.to_int() 5 end - "str".rindex(/../, obj).should == 1 - - obj = mock('5') - def obj.respond_to?(arg, *) true end - def obj.method_missing(*args); 5; end - "str".rindex(/../, obj).should == 1 - end - - it "raises a TypeError when given offset is nil" do - lambda { "str".rindex(/../, nil) }.should raise_error(TypeError) - end - - with_feature :encoding do - it "returns the reverse character index of a multibyte character" do - "ありがりがとう".rindex("が").should == 4 - "ありがりがとう".rindex(/が/).should == 4 - end - - it "returns the character index before the finish" do - "ありがりがとう".rindex("が", 3).should == 2 - "ありがりがとう".rindex(/が/, 3).should == 2 - end - - it "raises an Encoding::CompatibilityError if the encodings are incompatible" do - re = Regexp.new "れ".encode(Encoding::EUC_JP) - lambda do - "あれ".rindex re - end.should raise_error(Encoding::CompatibilityError) - end - end -end |