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Diffstat (limited to 'spec/ruby/core/array/pack/shared/string.rb')
-rw-r--r-- | spec/ruby/core/array/pack/shared/string.rb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/spec/ruby/core/array/pack/shared/string.rb b/spec/ruby/core/array/pack/shared/string.rb new file mode 100644 index 0000000000..cedb0886e2 --- /dev/null +++ b/spec/ruby/core/array/pack/shared/string.rb @@ -0,0 +1,80 @@ +# -*- encoding: binary -*- +describe :array_pack_string, shared: true do + it "adds count bytes of a String to the output" do + ["abc"].pack(pack_format(2)).should == "ab" + end + + it "implicitly has a count of one when no count is specified" do + ["abc"].pack(pack_format).should == "a" + end + + it "does not add any bytes when the count is zero" do + ["abc"].pack(pack_format(0)).should == "" + end + + it "is not affected by a previous count modifier" do + ["abcde", "defg"].pack(pack_format(3)+pack_format).should == "abcd" + end + + it "raises an ArgumentError when the Array is empty" do + lambda { [].pack(pack_format) }.should raise_error(ArgumentError) + end + + it "raises an ArgumentError when the Array has too few elements" do + lambda { ["a"].pack(pack_format(nil, 2)) }.should raise_error(ArgumentError) + end + + it "calls #to_str to convert the element to a String" do + obj = mock('pack string') + obj.should_receive(:to_str).and_return("abc") + + [obj].pack(pack_format).should == "a" + end + + it "raises a TypeError when the object does not respond to #to_str" do + obj = mock("not a string") + lambda { [obj].pack(pack_format) }.should raise_error(TypeError) + end + + it "returns a tainted string when a pack argument is tainted" do + ["abcd".taint, 0x20].pack(pack_format("3C")).tainted?.should be_true + end + + it "does not return a tainted string when the array is tainted" do + ["abcd", 0x20].taint.pack(pack_format("3C")).tainted?.should be_false + end + + it "returns a tainted string when the format is tainted" do + ["abcd", 0x20].pack(pack_format("3C").taint).tainted?.should be_true + end + + it "returns a tainted string when an empty format is tainted" do + ["abcd", 0x20].pack("".taint).tainted?.should be_true + end + + it "returns a untrusted string when the format is untrusted" do + ["abcd", 0x20].pack(pack_format("3C").untrust).untrusted?.should be_true + end + + it "returns a untrusted string when the empty format is untrusted" do + ["abcd", 0x20].pack("".untrust).untrusted?.should be_true + end + + it "returns a untrusted string when a pack argument is untrusted" do + ["abcd".untrust, 0x20].pack(pack_format("3C")).untrusted?.should be_true + end + + it "returns a trusted string when the array is untrusted" do + ["abcd", 0x20].untrust.pack(pack_format("3C")).untrusted?.should be_false + end + + it "returns a string in encoding of common to the concatenated results" do + f = pack_format("*") + [ [["\u{3042 3044 3046 3048}", 0x2000B].pack(f+"U"), Encoding::ASCII_8BIT], + [["abcde\xd1", "\xFF\xFe\x81\x82"].pack(f+"u"), Encoding::ASCII_8BIT], + [["a".force_encoding("ascii"), "\xFF\xFe\x81\x82"].pack(f+"u"), Encoding::ASCII_8BIT], + # under discussion [ruby-dev:37294] + [["\u{3042 3044 3046 3048}", 1].pack(f+"N"), Encoding::ASCII_8BIT] + ].should be_computed_by(:encoding) + end +end |