diff options
Diffstat (limited to 'spec/ruby/core/string')
-rw-r--r-- | spec/ruby/core/string/chars_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/codepoints_spec.rb | 4 | ||||
-rw-r--r-- | spec/ruby/core/string/each_grapheme_cluster_spec.rb | 11 | ||||
-rw-r--r-- | spec/ruby/core/string/fixtures/classes.rb | 2 | ||||
-rw-r--r-- | spec/ruby/core/string/grapheme_clusters_spec.rb | 15 | ||||
-rw-r--r-- | spec/ruby/core/string/lines_spec.rb | 2 | ||||
-rw-r--r-- | spec/ruby/core/string/modulo_spec.rb | 17 | ||||
-rw-r--r-- | spec/ruby/core/string/shared/grapheme_clusters.rb | 16 | ||||
-rw-r--r-- | spec/ruby/core/string/slice_spec.rb | 48 | ||||
-rw-r--r-- | spec/ruby/core/string/split_spec.rb | 10 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/a_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/b_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/h_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/m_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/p_spec.rb | 43 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/shared/taint.rb | 81 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/u_spec.rb | 3 | ||||
-rw-r--r-- | spec/ruby/core/string/unpack/z_spec.rb | 2 |
18 files changed, 233 insertions, 36 deletions
diff --git a/spec/ruby/core/string/chars_spec.rb b/spec/ruby/core/string/chars_spec.rb index 54876f9f9d..e4f26bc0cc 100644 --- a/spec/ruby/core/string/chars_spec.rb +++ b/spec/ruby/core/string/chars_spec.rb @@ -5,7 +5,6 @@ describe "String#chars" do it_behaves_like :string_chars, :chars it "returns an array when no block given" do - ary = "hello".send(@method) - ary.should == ['h', 'e', 'l', 'l', 'o'] + "hello".chars.should == ['h', 'e', 'l', 'l', 'o'] end end diff --git a/spec/ruby/core/string/codepoints_spec.rb b/spec/ruby/core/string/codepoints_spec.rb index 66f2884168..bccb3d0484 100644 --- a/spec/ruby/core/string/codepoints_spec.rb +++ b/spec/ruby/core/string/codepoints_spec.rb @@ -8,13 +8,13 @@ with_feature :encoding do it_behaves_like :string_codepoints, :codepoints it "returns an Array when no block is given" do - "abc".send(@method).should == [?a.ord, ?b.ord, ?c.ord] + "abc".codepoints.should == [?a.ord, ?b.ord, ?c.ord] end it "raises an ArgumentError when no block is given if self has an invalid encoding" do s = "\xDF".force_encoding(Encoding::UTF_8) s.valid_encoding?.should be_false - lambda {s.send(@method)}.should raise_error(ArgumentError) + lambda { s.codepoints }.should raise_error(ArgumentError) end end end diff --git a/spec/ruby/core/string/each_grapheme_cluster_spec.rb b/spec/ruby/core/string/each_grapheme_cluster_spec.rb new file mode 100644 index 0000000000..5367f84887 --- /dev/null +++ b/spec/ruby/core/string/each_grapheme_cluster_spec.rb @@ -0,0 +1,11 @@ +require_relative 'shared/chars' +require_relative 'shared/grapheme_clusters' +require_relative 'shared/each_char_without_block' + +ruby_version_is "2.5" do + describe "String#each_grapheme_cluster" do + it_behaves_like :string_chars, :each_grapheme_cluster + it_behaves_like :string_grapheme_clusters, :each_grapheme_cluster + it_behaves_like :string_each_char_without_block, :each_grapheme_cluster + end +end diff --git a/spec/ruby/core/string/fixtures/classes.rb b/spec/ruby/core/string/fixtures/classes.rb index 6af106f9d3..1cc7600abb 100644 --- a/spec/ruby/core/string/fixtures/classes.rb +++ b/spec/ruby/core/string/fixtures/classes.rb @@ -4,7 +4,7 @@ class Object def unpack_format(count=nil, repeat=nil) format = "#{instance_variable_get(:@method)}#{count}" format *= repeat if repeat - format + format.dup # because it may then become tainted end end diff --git a/spec/ruby/core/string/grapheme_clusters_spec.rb b/spec/ruby/core/string/grapheme_clusters_spec.rb new file mode 100644 index 0000000000..0cba0e4216 --- /dev/null +++ b/spec/ruby/core/string/grapheme_clusters_spec.rb @@ -0,0 +1,15 @@ +require_relative 'shared/chars' +require_relative 'shared/grapheme_clusters' + +ruby_version_is "2.5" do + describe "String#grapheme_clusters" do + it_behaves_like :string_chars, :grapheme_clusters + it_behaves_like :string_grapheme_clusters, :grapheme_clusters + + it "returns an array when no block given" do + string = "ab\u{1f3f3}\u{fe0f}\u{200d}\u{1f308}\u{1F43E}" + string.grapheme_clusters.should == ['a', 'b', "\u{1f3f3}\u{fe0f}\u{200d}\u{1f308}", "\u{1F43E}"] + + end + end +end diff --git a/spec/ruby/core/string/lines_spec.rb b/spec/ruby/core/string/lines_spec.rb index 6b2d74daf1..1c13936c30 100644 --- a/spec/ruby/core/string/lines_spec.rb +++ b/spec/ruby/core/string/lines_spec.rb @@ -7,7 +7,7 @@ describe "String#lines" do it_behaves_like :string_each_line, :lines it "returns an array when no block given" do - ary = "hello world".send(@method, ' ') + ary = "hello world".lines(' ') ary.should == ["hello ", "world"] end diff --git a/spec/ruby/core/string/modulo_spec.rb b/spec/ruby/core/string/modulo_spec.rb index e81b27e4ce..72738ece24 100644 --- a/spec/ruby/core/string/modulo_spec.rb +++ b/spec/ruby/core/string/modulo_spec.rb @@ -19,6 +19,23 @@ describe "String#%" do ("%d%% %s" % [10, "of chickens!"]).should == "10% of chickens!" end + describe "output's encoding" do + it "is the same as the format string if passed value is encoding-compatible" do + [Encoding::ASCII_8BIT, Encoding::US_ASCII, Encoding::UTF_8, Encoding::SHIFT_JIS].each do |encoding| + ("hello %s!".encode(encoding) % "world").encoding.should == encoding + end + end + + it "negotiates a compatible encoding if necessary" do + ("hello %s" % 195.chr).encoding.should == Encoding::ASCII_8BIT + ("hello %s".encode("shift_jis") % "wörld").encoding.should == Encoding::UTF_8 + end + + it "raises if a compatible encoding can't be found" do + lambda { "hello %s".encode("utf-8") % "world".encode("UTF-16LE") }.should raise_error(Encoding::CompatibilityError) + end + end + ruby_version_is ""..."2.5" do it "formats single % character at the end as literal %" do ("%" % []).should == "%" diff --git a/spec/ruby/core/string/shared/grapheme_clusters.rb b/spec/ruby/core/string/shared/grapheme_clusters.rb new file mode 100644 index 0000000000..8b666868b1 --- /dev/null +++ b/spec/ruby/core/string/shared/grapheme_clusters.rb @@ -0,0 +1,16 @@ +require_relative '../../../spec_helper' +require_relative '../fixtures/classes' + +describe :string_grapheme_clusters, shared: true do + it "passes each grapheme cluster in self to the given block" do + a = [] + # test string: abc[rainbow flag emoji][paw prints] + "ab\u{1f3f3}\u{fe0f}\u{200d}\u{1f308}\u{1F43E}".send(@method) { |c| a << c } + a.should == ['a', 'b', "\u{1f3f3}\u{fe0f}\u{200d}\u{1f308}", "\u{1F43E}"] + end + + it "returns self" do + s = StringSpecs::MyString.new "ab\u{1f3f3}\u{fe0f}\u{200d}\u{1f308}\u{1F43E}" + s.send(@method) {}.should equal(s) + end +end diff --git a/spec/ruby/core/string/slice_spec.rb b/spec/ruby/core/string/slice_spec.rb index 12876e757d..a3e9d6b74f 100644 --- a/spec/ruby/core/string/slice_spec.rb +++ b/spec/ruby/core/string/slice_spec.rb @@ -75,9 +75,9 @@ describe "String#slice! with index" do with_feature :encoding do it "returns the character given by the character index" do - "hellö there".send(@method, 1).should == "e" - "hellö there".send(@method, 4).should == "ö" - "hellö there".send(@method, 6).should == "t" + "hellö there".slice!(1).should == "e" + "hellö there".slice!(4).should == "ö" + "hellö there".slice!(6).should == "t" end end @@ -151,15 +151,15 @@ describe "String#slice! with index, length" do with_feature :encoding do it "returns the substring given by the character offsets" do - "hellö there".send(@method, 1,0).should == "" - "hellö there".send(@method, 1,3).should == "ell" - "hellö there".send(@method, 1,6).should == "ellö t" - "hellö there".send(@method, 1,9).should == "ellö ther" + "hellö there".slice!(1,0).should == "" + "hellö there".slice!(1,3).should == "ell" + "hellö there".slice!(1,6).should == "ellö t" + "hellö there".slice!(1,9).should == "ellö ther" end it "treats invalid bytes as single bytes" do xE6xCB = [0xE6,0xCB].pack('CC').force_encoding('utf-8') - "a#{xE6xCB}b".send(@method, 1, 2).should == xE6xCB + "a#{xE6xCB}b".slice!(1, 2).should == xE6xCB end end end @@ -239,13 +239,13 @@ describe "String#slice! Range" do with_feature :encoding do it "returns the substring given by the character offsets of the range" do - "hellö there".send(@method, 1..1).should == "e" - "hellö there".send(@method, 1..3).should == "ell" - "hellö there".send(@method, 1...3).should == "el" - "hellö there".send(@method, -4..-2).should == "her" - "hellö there".send(@method, -4...-2).should == "he" - "hellö there".send(@method, 5..-1).should == " there" - "hellö there".send(@method, 5...-1).should == " ther" + "hellö there".slice!(1..1).should == "e" + "hellö there".slice!(1..3).should == "ell" + "hellö there".slice!(1...3).should == "el" + "hellö there".slice!(-4..-2).should == "her" + "hellö there".slice!(-4...-2).should == "he" + "hellö there".slice!(5..-1).should == " there" + "hellö there".slice!(5...-1).should == " ther" end end @@ -307,8 +307,8 @@ describe "String#slice! with Regexp" do with_feature :encoding do it "returns the matching portion of self with a multi byte character" do - "hëllo there".send(@method, /[ë](.)\1/).should == "ëll" - "".send(@method, //).should == "" + "hëllo there".slice!(/[ë](.)\1/).should == "ëll" + "".slice!(//).should == "" end end @@ -391,13 +391,13 @@ describe "String#slice! with Regexp, index" do with_feature :encoding do it "returns the encoding aware capture for the given index" do - "hår".send(@method, /(.)(.)(.)/, 0).should == "hår" - "hår".send(@method, /(.)(.)(.)/, 1).should == "h" - "hår".send(@method, /(.)(.)(.)/, 2).should == "å" - "hår".send(@method, /(.)(.)(.)/, 3).should == "r" - "hår".send(@method, /(.)(.)(.)/, -1).should == "r" - "hår".send(@method, /(.)(.)(.)/, -2).should == "å" - "hår".send(@method, /(.)(.)(.)/, -3).should == "h" + "hår".slice!(/(.)(.)(.)/, 0).should == "hår" + "hår".slice!(/(.)(.)(.)/, 1).should == "h" + "hår".slice!(/(.)(.)(.)/, 2).should == "å" + "hår".slice!(/(.)(.)(.)/, 3).should == "r" + "hår".slice!(/(.)(.)(.)/, -1).should == "r" + "hår".slice!(/(.)(.)(.)/, -2).should == "å" + "hår".slice!(/(.)(.)(.)/, -3).should == "h" end end diff --git a/spec/ruby/core/string/split_spec.rb b/spec/ruby/core/string/split_spec.rb index 0d2c6211c4..b89a28c149 100644 --- a/spec/ruby/core/string/split_spec.rb +++ b/spec/ruby/core/string/split_spec.rb @@ -402,4 +402,14 @@ describe "String#split with Regexp" do broken_str.force_encoding('utf-8') lambda{ broken_str.split(/\r\n|\r|\n/) }.should raise_error(ArgumentError) end + + ruby_version_is "2.6" do + it "yields each split substrings if a block is given" do + a = [] + returned_object = "chunky bacon".split(" ") { |str| a << str.capitalize } + + returned_object.should == "chunky bacon" + a.should == ["Chunky", "Bacon"] + end + end end diff --git a/spec/ruby/core/string/unpack/a_spec.rb b/spec/ruby/core/string/unpack/a_spec.rb index 0adcf0ff80..3de338e2e1 100644 --- a/spec/ruby/core/string/unpack/a_spec.rb +++ b/spec/ruby/core/string/unpack/a_spec.rb @@ -3,12 +3,14 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' require_relative 'shared/string' +require_relative 'shared/taint' describe "String#unpack with format 'A'" do it_behaves_like :string_unpack_basic, 'A' it_behaves_like :string_unpack_no_platform, 'A' it_behaves_like :string_unpack_string, 'A' it_behaves_like :string_unpack_Aa, 'A' + it_behaves_like :string_unpack_taint, 'A' it "removes trailing space and NULL bytes from the decoded string" do [ ["a\x00 b \x00", ["a\x00 b", ""]], @@ -40,6 +42,7 @@ describe "String#unpack with format 'a'" do it_behaves_like :string_unpack_no_platform, 'a' it_behaves_like :string_unpack_string, 'a' it_behaves_like :string_unpack_Aa, 'a' + it_behaves_like :string_unpack_taint, 'a' it "does not remove trailing whitespace or NULL bytes from the decoded string" do [ ["a\x00 b \x00", ["a\x00 b \x00"]], diff --git a/spec/ruby/core/string/unpack/b_spec.rb b/spec/ruby/core/string/unpack/b_spec.rb index 332c85b5f8..a0bbc3d421 100644 --- a/spec/ruby/core/string/unpack/b_spec.rb +++ b/spec/ruby/core/string/unpack/b_spec.rb @@ -2,10 +2,12 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' +require_relative 'shared/taint' describe "String#unpack with format 'B'" do it_behaves_like :string_unpack_basic, 'B' it_behaves_like :string_unpack_no_platform, 'B' + it_behaves_like :string_unpack_taint, 'B' it "decodes one bit from each byte for each format character starting with the most significant bit" do [ ["\x00", "B", ["0"]], @@ -96,6 +98,7 @@ end describe "String#unpack with format 'b'" do it_behaves_like :string_unpack_basic, 'b' it_behaves_like :string_unpack_no_platform, 'b' + it_behaves_like :string_unpack_taint, 'b' it "decodes one bit from each byte for each format character starting with the least significant bit" do [ ["\x00", "b", ["0"]], diff --git a/spec/ruby/core/string/unpack/h_spec.rb b/spec/ruby/core/string/unpack/h_spec.rb index 7d0acf5718..07d52149d1 100644 --- a/spec/ruby/core/string/unpack/h_spec.rb +++ b/spec/ruby/core/string/unpack/h_spec.rb @@ -2,10 +2,12 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' +require_relative 'shared/taint' describe "String#unpack with format 'H'" do it_behaves_like :string_unpack_basic, 'H' it_behaves_like :string_unpack_no_platform, 'H' + it_behaves_like :string_unpack_taint, 'H' it "decodes one nibble from each byte for each format character starting with the most significant bit" do [ ["\x8f", "H", ["8"]], @@ -66,6 +68,7 @@ end describe "String#unpack with format 'h'" do it_behaves_like :string_unpack_basic, 'h' it_behaves_like :string_unpack_no_platform, 'h' + it_behaves_like :string_unpack_taint, 'h' it "decodes one nibble from each byte for each format character starting with the least significant bit" do [ ["\x8f", "h", ["f"]], diff --git a/spec/ruby/core/string/unpack/m_spec.rb b/spec/ruby/core/string/unpack/m_spec.rb index 0ae1118583..d714f6fbcb 100644 --- a/spec/ruby/core/string/unpack/m_spec.rb +++ b/spec/ruby/core/string/unpack/m_spec.rb @@ -2,10 +2,12 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' +require_relative 'shared/taint' describe "String#unpack with format 'M'" do it_behaves_like :string_unpack_basic, 'M' it_behaves_like :string_unpack_no_platform, 'M' + it_behaves_like :string_unpack_taint, 'M' it "decodes an empty string" do "".unpack("M").should == [""] @@ -100,6 +102,7 @@ end describe "String#unpack with format 'm'" do it_behaves_like :string_unpack_basic, 'm' it_behaves_like :string_unpack_no_platform, 'm' + it_behaves_like :string_unpack_taint, 'm' it "decodes an empty string" do "".unpack("m").should == [""] diff --git a/spec/ruby/core/string/unpack/p_spec.rb b/spec/ruby/core/string/unpack/p_spec.rb index 57b51fef00..136e32adfd 100644 --- a/spec/ruby/core/string/unpack/p_spec.rb +++ b/spec/ruby/core/string/unpack/p_spec.rb @@ -1,21 +1,52 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' +require_relative 'shared/taint' describe "String#unpack with format 'P'" do it_behaves_like :string_unpack_basic, 'P' + it_behaves_like :string_unpack_taint, 'P' - it "returns a random object after consuming a size-of a machine word bytes" do - str = "\0" * 1.size - str.unpack("P").should be_kind_of(Object) + it "round-trips a string through pack and unpack" do + ["hello"].pack("P").unpack("P5").should == ["hello"] + end + + it "cannot unpack a string except from the same object that created it, or a duplicate of it" do + packed = ["hello"].pack("P") + packed.unpack("P5").should == ["hello"] + packed.dup.unpack("P5").should == ["hello"] + lambda { packed.to_sym.to_s.unpack("P5") }.should raise_error(ArgumentError, /no associated pointer/) + end + + it "taints the unpacked string" do + ["hello"].pack("P").unpack("P5").first.tainted?.should be_true + end + + it "reads as many characters as specified" do + ["hello"].pack("P").unpack("P1").should == ["h"] + end + + it "reads only as far as a NUL character" do + ["hello"].pack("P").unpack("P10").should == ["hello"] end end describe "String#unpack with format 'p'" do it_behaves_like :string_unpack_basic, 'p' + it_behaves_like :string_unpack_taint, 'p' + + it "round-trips a string through pack and unpack" do + ["hello"].pack("p").unpack("p").should == ["hello"] + end + + it "cannot unpack a string except from the same object that created it, or a duplicate of it" do + packed = ["hello"].pack("p") + packed.unpack("p").should == ["hello"] + packed.dup.unpack("p").should == ["hello"] + lambda { packed.to_sym.to_s.unpack("p") }.should raise_error(ArgumentError, /no associated pointer/) + end - it "returns a random object after consuming a size-of a machine word bytes" do - str = "\0" * 1.size - str.unpack("p").should be_kind_of(Object) + it "taints the unpacked string" do + ["hello"].pack("p").unpack("p").first.tainted?.should be_true end end diff --git a/spec/ruby/core/string/unpack/shared/taint.rb b/spec/ruby/core/string/unpack/shared/taint.rb new file mode 100644 index 0000000000..391338192a --- /dev/null +++ b/spec/ruby/core/string/unpack/shared/taint.rb @@ -0,0 +1,81 @@ +describe :string_unpack_taint, shared: true do + it "does not taint returned arrays if given an untainted format string" do + "".unpack(unpack_format(2)).tainted?.should be_false + end + + it "does not taint returned arrays if given a tainted format string" do + format_string = unpack_format(2).dup + format_string.taint + "".unpack(format_string).tainted?.should be_false + end + + it "does not taint returned strings if given an untainted format string" do + "".unpack(unpack_format(2)).any?(&:tainted?).should be_false + end + + it "does not taint returned strings if given a tainted format string" do + format_string = unpack_format(2).dup + format_string.taint + "".unpack(format_string).any?(&:tainted?).should be_false + end + + it "does not taint returned arrays if given an untainted packed string" do + "".unpack(unpack_format(2)).tainted?.should be_false + end + + it "does not taint returned arrays if given a tainted packed string" do + packed_string = "" + packed_string.taint + packed_string.unpack(unpack_format(2)).tainted?.should be_false + end + + it "does not taint returned strings if given an untainted packed string" do + "".unpack(unpack_format(2)).any?(&:tainted?).should be_false + end + + it "taints returned strings if given a tainted packed string" do + packed_string = "" + packed_string.taint + packed_string.unpack(unpack_format(2)).all?(&:tainted?).should be_true + end + + it "does not untrust returned arrays if given an untrusted format string" do + "".unpack(unpack_format(2)).untrusted?.should be_false + end + + it "does not untrust returned arrays if given a untrusted format string" do + format_string = unpack_format(2).dup + format_string.untrust + "".unpack(format_string).untrusted?.should be_false + end + + it "does not untrust returned strings if given an untainted format string" do + "".unpack(unpack_format(2)).any?(&:untrusted?).should be_false + end + + it "does not untrust returned strings if given a untrusted format string" do + format_string = unpack_format(2).dup + format_string.untrust + "".unpack(format_string).any?(&:untrusted?).should be_false + end + + it "does not untrust returned arrays if given an trusted packed string" do + "".unpack(unpack_format(2)).untrusted?.should be_false + end + + it "does not untrust returned arrays if given a untrusted packed string" do + packed_string = "" + packed_string.untrust + packed_string.unpack(unpack_format(2)).untrusted?.should be_false + end + + it "does not untrust returned strings if given an trusted packed string" do + "".unpack(unpack_format(2)).any?(&:untrusted?).should be_false + end + + it "untrusts returned strings if given a untrusted packed string" do + packed_string = "" + packed_string.untrust + packed_string.unpack(unpack_format(2)).all?(&:untrusted?).should be_true + end +end diff --git a/spec/ruby/core/string/unpack/u_spec.rb b/spec/ruby/core/string/unpack/u_spec.rb index 6326bd7963..ee1d6c68e7 100644 --- a/spec/ruby/core/string/unpack/u_spec.rb +++ b/spec/ruby/core/string/unpack/u_spec.rb @@ -3,11 +3,13 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' require_relative 'shared/unicode' +require_relative 'shared/taint' describe "String#unpack with format 'U'" do it_behaves_like :string_unpack_basic, 'U' it_behaves_like :string_unpack_no_platform, 'U' it_behaves_like :string_unpack_unicode, 'U' + it_behaves_like :string_unpack_taint, 'U' it "raises ArgumentError on a malformed byte sequence" do lambda { "\xE3".unpack('U') }.should raise_error(ArgumentError) @@ -21,6 +23,7 @@ end describe "String#unpack with format 'u'" do it_behaves_like :string_unpack_basic, 'u' it_behaves_like :string_unpack_no_platform, 'u' + it_behaves_like :string_unpack_taint, 'u' it "decodes an empty string as an empty string" do "".unpack("u").should == [""] diff --git a/spec/ruby/core/string/unpack/z_spec.rb b/spec/ruby/core/string/unpack/z_spec.rb index 67d36ac8bf..2de624a74d 100644 --- a/spec/ruby/core/string/unpack/z_spec.rb +++ b/spec/ruby/core/string/unpack/z_spec.rb @@ -3,11 +3,13 @@ require_relative '../../../spec_helper' require_relative '../fixtures/classes' require_relative 'shared/basic' require_relative 'shared/string' +require_relative 'shared/taint' describe "String#unpack with format 'Z'" do it_behaves_like :string_unpack_basic, 'Z' it_behaves_like :string_unpack_no_platform, 'Z' it_behaves_like :string_unpack_string, 'Z' + it_behaves_like :string_unpack_taint, 'Z' it "stops decoding at NULL bytes when passed the '*' modifier" do "a\x00\x00 b \x00c".unpack('Z*Z*Z*Z*').should == ["a", "", " b ", "c"] |