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# -*- encoding: ascii-8bit -*-
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)
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_behaves_like :string_unpack_taint, '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
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