diff options
Diffstat (limited to 'spec/ruby/core/string/unpack/u_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/unpack/u_spec.rb | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/spec/ruby/core/string/unpack/u_spec.rb b/spec/ruby/core/string/unpack/u_spec.rb new file mode 100644 index 0000000000..0765da8d96 --- /dev/null +++ b/spec/ruby/core/string/unpack/u_spec.rb @@ -0,0 +1,94 @@ +# -*- encoding: ascii-8bit -*- +require File.expand_path('../../../../spec_helper', __FILE__) +require File.expand_path('../../fixtures/classes', __FILE__) +require File.expand_path('../shared/basic', __FILE__) +require File.expand_path('../shared/unicode', __FILE__) + +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 "raises ArgumentError on a malformed byte sequence" do + lambda { "\xE3".unpack('U') }.should raise_error(ArgumentError) + end + + it "raises ArgumentError on a malformed byte sequence and doesn't continue when used with the * modifier" do + lambda { "\xE3".unpack('U*') }.should raise_error(ArgumentError) + end +end + +describe "String#unpack with format 'u'" do + it_behaves_like :string_unpack_basic, 'u' + it_behaves_like :string_unpack_no_platform, 'u' + + it "decodes an empty string as an empty string" do + "".unpack("u").should == [""] + end + + it "decodes into raw (ascii) string values" do + str = "".unpack("u")[0] + str.encoding.name.should == 'ASCII-8BIT' + + str = "1".force_encoding('UTF-8').unpack("u")[0] + str.encoding.name.should == 'ASCII-8BIT' + end + + it "decodes the complete string ignoring newlines when given a single directive" do + "#86)C\n#1$5&\n".unpack("u").should == ["abcDEF"] + end + + it "appends empty string to the array for directives exceeding the input size" do + "#86)C\n#1$5&\n".unpack("uuu").should == ["abcDEF", "", ""] + end + + it "ignores the count or '*' modifier and decodes the entire string" do + [ ["#86)C\n#1$5&\n", "u238", ["abcDEF"]], + ["#86)C\n#1$5&\n", "u*", ["abcDEF"]] + ].should be_computed_by(:unpack) + end + + it "decodes all ascii characters" do + [ ["'``$\"`P0%!@``\n", ["\x00\x01\x02\x03\x04\x05\x06"]], + ["'!P@)\"@L,#0``\n", ["\a\b\t\n\v\f\r"]], + [")\#@\\0$1(3%!46\n", ["\x0E\x0F\x10\x11\x12\x13\x14\x15\x16"]], + [")%Q@9&AL<'1X?\n", ["\x17\x18\x19\x1a\e\x1c\x1d\x1e\x1f"]], + ["/(2(C)\"4F)R@I*BLL+2XO\n", ["!\"\#$%&'()*+,-./"]], + ["*,\#$R,S0U-C<X.0``\n", ["0123456789"]], + ["'.CL\\/3X_0```\n", [":;<=>?@"]], + [":04)#1$5&1TA)2DM,34Y/4%%24U155E=865H`\n", ["ABCDEFGHIJKLMNOPQRSTUVWXYZ"]], + ["&6UQ=7E]@\n", ["[\\]^_`"]], + [":86)C9&5F9VAI:FML;6YO<'%R<W1U=G=X>7H`\n", ["abcdefghijklmnopqrstuvwxyz"]], + ["$>WQ]?@``\n", ["{|}~"]], + [")?\\*`PH'\"@L*#\n", ["\x7f\xc2\x80\xc2\x81\xc2\x82\xc2\x83"]], + [")PH3\"A<*&PH?\"\n", ["\xc2\x84\xc2\x85\xc2\x86\xc2\x87\xc2"]], + [")B,*)PHK\"B\\*,\n", ["\x88\xc2\x89\xc2\x8a\xc2\x8b\xc2\x8c"]], + [")PHW\"CL*/PI#\"\n", ["\xc2\x8d\xc2\x8e\xc2\x8f\xc2\x90\xc2"]], + [")D<*2PI/\"E,*5\n", ["\x91\xc2\x92\xc2\x93\xc2\x94\xc2\x95"]], + [")PI;\"E\\*8PIG\"\n", ["\xc2\x96\xc2\x97\xc2\x98\xc2\x99\xc2"]], + [")FL*;PIS\"G<*>\n", ["\x9a\xc2\x9b\xc2\x9c\xc2\x9d\xc2\x9e"]], + [")PI_\"H,*APJ+\"\n", ["\xc2\x9f\xc2\xa0\xc2\xa1\xc2\xa2\xc2"]], + [")H\\*DPJ7\"IL*G\n", ["\xa3\xc2\xa4\xc2\xa5\xc2\xa6\xc2\xa7"]], + [")PJC\"J<*JPJO\"\n", ["\xc2\xa8\xc2\xa9\xc2\xaa\xc2\xab\xc2"]], + [")K,*MPJ[\"K\\*P\n", ["\xac\xc2\xad\xc2\xae\xc2\xaf\xc2\xb0"]], + [")PK'\"LL*SPK3\"\n", ["\xc2\xb1\xc2\xb2\xc2\xb3\xc2\xb4\xc2"]], + [")M<*VPK?\"N,*Y\n", ["\xb5\xc2\xb6\xc2\xb7\xc2\xb8\xc2\xb9"]], + [")PKK\"N\\*\\PKW\"\n", ["\xc2\xba\xc2\xbb\xc2\xbc\xc2\xbd\xc2"]], + [")OL*_PX#\#@<.\"\n", ["\xbe\xc2\xbf\xc3\x80\xc3\x81\xc3\x82"]], + [")PX/#A,.%PX;#\n", ["\xc3\x83\xc3\x84\xc3\x85\xc3\x86\xc3"]], + [")A\\.(PXG#BL.+\n", ["\x87\xc3\x88\xc3\x89\xc3\x8a\xc3\x8b"]], + [")PXS#C<..PX_#\n", ["\xc3\x8c\xc3\x8d\xc3\x8e\xc3\x8f\xc3"]], + [")D,.1PY+#D\\.4\n", ["\x90\xc3\x91\xc3\x92\xc3\x93\xc3\x94"]], + [")PY7#EL.7PYC#\n", ["\xc3\x95\xc3\x96\xc3\x97\xc3\x98\xc3"]], + [")F<.:PYO#G,.=\n", ["\x99\xc3\x9a\xc3\x9b\xc3\x9c\xc3\x9d"]], + [")PY[#G\\.@PZ'#\n", ["\xc3\x9e\xc3\x9f\xc3\xa0\xc3\xa1\xc3"]], + [")HL.CPZ3#I<.F\n", ["\xa2\xc3\xa3\xc3\xa4\xc3\xa5\xc3\xa6"]], + [")PZ?#J,.IPZK#\n", ["\xc3\xa7\xc3\xa8\xc3\xa9\xc3\xaa\xc3"]], + [")J\\.LPZW#KL.O\n", ["\xab\xc3\xac\xc3\xad\xc3\xae\xc3\xaf"]], + [")P[##L<.RP[/#\n", ["\xc3\xb0\xc3\xb1\xc3\xb2\xc3\xb3\xc3"]], + [")M,.UP[;#M\\.X\n", ["\xb4\xc3\xb5\xc3\xb6\xc3\xb7\xc3\xb8"]], + [")P[G#NL.[P[S#\n", ["\xc3\xb9\xc3\xba\xc3\xbb\xc3\xbc\xc3"]], + ["%O<.^P[\\`\n", ["\xbd\xc3\xbe\xc3\xbf"]] + ].should be_computed_by(:unpack, "u") + end +end |