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Diffstat (limited to 'spec/rubyspec/core/string/shared/succ.rb')
-rw-r--r-- | spec/rubyspec/core/string/shared/succ.rb | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/spec/rubyspec/core/string/shared/succ.rb b/spec/rubyspec/core/string/shared/succ.rb deleted file mode 100644 index 4854cb7146..0000000000 --- a/spec/rubyspec/core/string/shared/succ.rb +++ /dev/null @@ -1,88 +0,0 @@ -# -*- encoding: binary -*- -describe :string_succ, shared: true do - it "returns an empty string for empty strings" do - "".send(@method).should == "" - end - - it "returns the successor by increasing the rightmost alphanumeric (digit => digit, letter => letter with same case)" do - "abcd".send(@method).should == "abce" - "THX1138".send(@method).should == "THX1139" - - "<<koala>>".send(@method).should == "<<koalb>>" - "==A??".send(@method).should == "==B??" - end - - it "increases non-alphanumerics (via ascii rules) if there are no alphanumerics" do - "***".send(@method).should == "**+" - "**`".send(@method).should == "**a" - end - - it "increases the next best alphanumeric (jumping over non-alphanumerics) if there is a carry" do - "dz".send(@method).should == "ea" - "HZ".send(@method).should == "IA" - "49".send(@method).should == "50" - - "izz".send(@method).should == "jaa" - "IZZ".send(@method).should == "JAA" - "699".send(@method).should == "700" - - "6Z99z99Z".send(@method).should == "7A00a00A" - - "1999zzz".send(@method).should == "2000aaa" - "NZ/[]ZZZ9999".send(@method).should == "OA/[]AAA0000" - end - - it "increases the next best character if there is a carry for non-alphanumerics" do - "(\xFF".send(@method).should == ")\x00" - "`\xFF".send(@method).should == "a\x00" - "<\xFF\xFF".send(@method).should == "=\x00\x00" - end - - it "adds an additional character (just left to the last increased one) if there is a carry and no character left to increase" do - "z".send(@method).should == "aa" - "Z".send(@method).should == "AA" - "9".send(@method).should == "10" - - "zz".send(@method).should == "aaa" - "ZZ".send(@method).should == "AAA" - "99".send(@method).should == "100" - - "9Z99z99Z".send(@method).should == "10A00a00A" - - "ZZZ9999".send(@method).should == "AAAA0000" - "/[]9999".send(@method).should == "/[]10000" - "/[]ZZZ9999".send(@method).should == "/[]AAAA0000" - "Z/[]ZZZ9999".send(@method).should == "AA/[]AAA0000" - - # non-alphanumeric cases - "\xFF".send(@method).should == "\x01\x00" - "\xFF\xFF".send(@method).should == "\x01\x00\x00" - end - - it "returns subclass instances when called on a subclass" do - StringSpecs::MyString.new("").send(@method).should be_an_instance_of(StringSpecs::MyString) - StringSpecs::MyString.new("a").send(@method).should be_an_instance_of(StringSpecs::MyString) - StringSpecs::MyString.new("z").send(@method).should be_an_instance_of(StringSpecs::MyString) - end - - it "taints the result if self is tainted" do - ["", "a", "z", "Z", "9", "\xFF", "\xFF\xFF"].each do |s| - s.taint.send(@method).tainted?.should == true - end - end -end - -describe :string_succ_bang, shared: true do - it "is equivalent to succ, but modifies self in place (still returns self)" do - ["", "abcd", "THX1138"].each do |s| - r = s.dup.send(@method) - s.send(@method).should equal(s) - s.should == r - end - end - - it "raises a RuntimeError if self is frozen" do - lambda { "".freeze.send(@method) }.should raise_error(RuntimeError) - lambda { "abcd".freeze.send(@method) }.should raise_error(RuntimeError) - end -end |