Source file src/github.com/leodido/go-urn/tables_test.go

Documentation: github.com/leodido/go-urn

     1  package urn
     2  
     3  import (
     4  	"fmt"
     5  	"strconv"
     6  	"strings"
     7  )
     8  
     9  func ierror(index int) string {
    10  	return "Test case num. " + strconv.Itoa(index+1)
    11  }
    12  
    13  func herror(index int, test testCase) string {
    14  	return ierror(index) + ", input \"" + string(test.in) + "\""
    15  }
    16  
    17  func rxpad(str string, lim int) string {
    18  	str = str + strings.Repeat(" ", lim)
    19  	return str[:lim]
    20  }
    21  
    22  type testCase struct {
    23  	in     []byte // the input
    24  	ok     bool   // whether it is valid or not
    25  	obj    *URN   // a pointer to the resulting urn.URN instance
    26  	str    string // string representation
    27  	norm   string // norm string representation
    28  	estr   string // error string
    29  	isSCIM bool   // whether it is a SCIM URN or not
    30  }
    31  
    32  var urnlexTestCases = []testCase{
    33  	// Italian act
    34  	{
    35  		[]byte("urn:lex:it:stato:legge:2003-09-21;456"),
    36  		true,
    37  		&URN{
    38  			prefix: "urn",
    39  			ID:     "lex",
    40  			SS:     "it:stato:legge:2003-09-21;456",
    41  		},
    42  		"urn:lex:it:stato:legge:2003-09-21;456",
    43  		"urn:lex:it:stato:legge:2003-09-21;456",
    44  		"",
    45  		false,
    46  	},
    47  	// French act
    48  	{
    49  		[]byte("urn:lex:fr:etat:lois:2004-12-06;321"),
    50  		true,
    51  		&URN{
    52  			prefix: "urn",
    53  			ID:     "lex",
    54  			SS:     "fr:etat:lois:2004-12-06;321",
    55  		},
    56  		"urn:lex:fr:etat:lois:2004-12-06;321",
    57  		"urn:lex:fr:etat:lois:2004-12-06;321",
    58  		"",
    59  		false,
    60  	},
    61  	// Spanish act
    62  	{
    63  		[]byte("urn:lex:es:estado:ley:2002-07-12;123"),
    64  		true,
    65  		&URN{
    66  			prefix: "urn",
    67  			ID:     "lex",
    68  			SS:     "es:estado:ley:2002-07-12;123",
    69  		},
    70  		"urn:lex:es:estado:ley:2002-07-12;123",
    71  		"urn:lex:es:estado:ley:2002-07-12;123",
    72  		"",
    73  		false,
    74  	},
    75  	// Glarus Swiss Canton decree
    76  	{
    77  		[]byte("urn:lex:ch;glarus:regiere:erlass:2007-10-15;963"),
    78  		true,
    79  		&URN{
    80  			prefix: "urn",
    81  			ID:     "lex",
    82  			SS:     "ch;glarus:regiere:erlass:2007-10-15;963",
    83  		},
    84  		"urn:lex:ch;glarus:regiere:erlass:2007-10-15;963",
    85  		"urn:lex:ch;glarus:regiere:erlass:2007-10-15;963",
    86  		"",
    87  		false,
    88  	},
    89  	// EU Council Directive
    90  	{
    91  		[]byte("urn:lex:eu:council:directive:2010-03-09;2010-19-UE"),
    92  		true,
    93  		&URN{
    94  			prefix: "urn",
    95  			ID:     "lex",
    96  			SS:     "eu:council:directive:2010-03-09;2010-19-UE",
    97  		},
    98  		"urn:lex:eu:council:directive:2010-03-09;2010-19-UE",
    99  		"urn:lex:eu:council:directive:2010-03-09;2010-19-UE",
   100  		"",
   101  		false,
   102  	},
   103  	{
   104  		[]byte("urn:lex:eu:council:directive:2010-03-09;2010-19-UE"),
   105  		true,
   106  		&URN{
   107  			prefix: "urn",
   108  			ID:     "lex",
   109  			SS:     "eu:council:directive:2010-03-09;2010-19-UE",
   110  		},
   111  		"urn:lex:eu:council:directive:2010-03-09;2010-19-UE",
   112  		"urn:lex:eu:council:directive:2010-03-09;2010-19-UE",
   113  		"",
   114  		false,
   115  	},
   116  	// US FSC decision
   117  	{
   118  		[]byte("urn:lex:us:federal.supreme.court:decision:1963-03-18;372.us.335"),
   119  		true,
   120  		&URN{
   121  			prefix: "urn",
   122  			ID:     "lex",
   123  			SS:     "us:federal.supreme.court:decision:1963-03-18;372.us.335",
   124  		},
   125  		"urn:lex:us:federal.supreme.court:decision:1963-03-18;372.us.335",
   126  		"urn:lex:us:federal.supreme.court:decision:1963-03-18;372.us.335",
   127  		"",
   128  		false,
   129  	},
   130  }
   131  
   132  var scimOnlyTestCases = []testCase{
   133  	// ok
   134  	{
   135  		[]byte("urn:ietf:params:scim:schemas:core:2.0:User"),
   136  		true,
   137  		&URN{
   138  			prefix: "urn",
   139  			ID:     "ietf:params:scim",
   140  			SS:     "schemas:core:2.0:User",
   141  		},
   142  		"urn:ietf:params:scim:schemas:core:2.0:User",
   143  		"urn:ietf:params:scim:schemas:core:2.0:User",
   144  		"",
   145  		true,
   146  	},
   147  	{
   148  		[]byte("urn:ietf:params:scim:schemas:extension:enterprise:2.0:User"),
   149  		true,
   150  		&URN{
   151  			prefix: "urn",
   152  			ID:     "ietf:params:scim",
   153  			SS:     "schemas:extension:enterprise:2.0:User",
   154  		},
   155  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User",
   156  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User",
   157  		"",
   158  		true,
   159  	},
   160  	{
   161  		[]byte("urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName"),
   162  		true,
   163  		&URN{
   164  			prefix: "urn",
   165  			ID:     "ietf:params:scim",
   166  			SS:     "schemas:extension:enterprise:2.0:User:userName",
   167  		},
   168  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName",
   169  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName",
   170  		"",
   171  		true,
   172  	},
   173  	{
   174  		[]byte("urn:ietf:params:scim:api:messages:2.0:ListResponse"),
   175  		true,
   176  		&URN{
   177  			prefix: "urn",
   178  			ID:     "ietf:params:scim",
   179  			SS:     "api:messages:2.0:ListResponse",
   180  		},
   181  		"urn:ietf:params:scim:api:messages:2.0:ListResponse",
   182  		"urn:ietf:params:scim:api:messages:2.0:ListResponse",
   183  		"",
   184  		true,
   185  	},
   186  	{
   187  		[]byte("urn:ietf:params:scim:schemas:core"),
   188  		true,
   189  		&URN{
   190  			prefix: "urn",
   191  			ID:     "ietf:params:scim",
   192  			SS:     "schemas:core",
   193  		},
   194  		"urn:ietf:params:scim:schemas:core",
   195  		"urn:ietf:params:scim:schemas:core",
   196  		"",
   197  		true,
   198  	},
   199  	{
   200  		[]byte("urn:ietf:params:scim:param:core"),
   201  		true,
   202  		&URN{
   203  			prefix: "urn",
   204  			ID:     "ietf:params:scim",
   205  			SS:     "param:core",
   206  		},
   207  		"urn:ietf:params:scim:param:core",
   208  		"urn:ietf:params:scim:param:core",
   209  		"",
   210  		true,
   211  	},
   212  	{
   213  		[]byte("urn:ietf:params:scim:api:messages:%FF"),
   214  		true,
   215  		&URN{
   216  			prefix: "urn",
   217  			ID:     "ietf:params:scim",
   218  			SS:     "api:messages:%FF",
   219  		},
   220  		"urn:ietf:params:scim:api:messages:%FF",
   221  		"urn:ietf:params:scim:api:messages:%ff",
   222  		"",
   223  		true,
   224  	},
   225  
   226  	// no
   227  	{
   228  		[]byte("arn:ietf:params:scim:schemas:core"),
   229  		false,
   230  		nil,
   231  		"",
   232  		"",
   233  		fmt.Sprintf(errPrefix, 0),
   234  		false,
   235  	},
   236  	{
   237  		[]byte("usn:ietf:params:scim:schemas:core"),
   238  		false,
   239  		nil,
   240  		"",
   241  		"",
   242  		fmt.Sprintf(errPrefix, 1),
   243  		false,
   244  	},
   245  	{
   246  		[]byte("urm:ietf:params:scim:schemas:core"),
   247  		false,
   248  		nil,
   249  		"",
   250  		"",
   251  		fmt.Sprintf(errPrefix, 2),
   252  		false,
   253  	},
   254  	{
   255  		[]byte("urno:ietf:params:scim:schemas:core"),
   256  		false,
   257  		nil,
   258  		"",
   259  		"",
   260  		fmt.Sprintf(errPrefix, 3),
   261  		false,
   262  	},
   263  	{
   264  		[]byte("urno"),
   265  		false,
   266  		nil,
   267  		"",
   268  		"",
   269  		fmt.Sprintf(errPrefix, 3),
   270  		false,
   271  	},
   272  	{
   273  		[]byte("urn:WRONG:schemas:core"),
   274  		false,
   275  		nil,
   276  		"",
   277  		"",
   278  		fmt.Sprintf(errSCIMNamespace, 4),
   279  		false,
   280  	},
   281  	{
   282  		[]byte("urn:ietf:params:scim:WRONG:core"),
   283  		false,
   284  		nil,
   285  		"",
   286  		"",
   287  		fmt.Sprintf(errSCIMType, 21),
   288  		false,
   289  	},
   290  	{
   291  		[]byte("urn:ietf:params:scim:schemas:$"),
   292  		false,
   293  		nil,
   294  		"",
   295  		"",
   296  		fmt.Sprintf(errSCIMName, 29),
   297  		false,
   298  	},
   299  	{
   300  		[]byte("urn:ietf:params:scim:schemas:core-"),
   301  		false,
   302  		nil,
   303  		"",
   304  		"",
   305  		fmt.Sprintf(errSCIMName, 33),
   306  		false,
   307  	},
   308  	{
   309  		[]byte("urn:ietf:params:scim:schemas:core:"),
   310  		false,
   311  		nil,
   312  		"",
   313  		"",
   314  		fmt.Sprintf(errSCIMOtherIncomplete, 33),
   315  		false,
   316  	},
   317  	{
   318  		[]byte("urn:ietf:params:scim:schemas:core:2.&"),
   319  		false,
   320  		nil,
   321  		"",
   322  		"",
   323  		fmt.Sprintf(errSCIMOther, 36),
   324  		false,
   325  	},
   326  	{
   327  		[]byte("urn:ietf:params:scim:api:messages:%"),
   328  		false,
   329  		nil,
   330  		"",
   331  		"",
   332  		fmt.Sprintf(errSCIMOtherIncomplete, 34),
   333  		false,
   334  	},
   335  	{
   336  		[]byte("urn:ietf:params:scim:api:messages:%F"),
   337  		false,
   338  		nil,
   339  		"",
   340  		"",
   341  		fmt.Sprintf(errSCIMOtherIncomplete, 35),
   342  		false,
   343  	},
   344  	// TODO: verify
   345  	// {
   346  	// 	[]byte("urn:ietf:params:scim:api:core:"),
   347  	// 	true,
   348  	// 	nil,
   349  	// 	"",
   350  	// 	"",
   351  	// 	fmt.Sprintf(errSCIMOtherIncomplete, 29),
   352  	// 	false,
   353  	// },
   354  	{
   355  		[]byte("urn:"),
   356  		false,
   357  		nil,
   358  		"",
   359  		"",
   360  		fmt.Sprintf(errSCIMNamespace, 4),
   361  		false,
   362  	},
   363  	{
   364  		[]byte("urn::"),
   365  		false,
   366  		nil,
   367  		"",
   368  		"",
   369  		fmt.Sprintf(errSCIMNamespace, 4),
   370  		false,
   371  	},
   372  	{
   373  		[]byte("urn:a:"),
   374  		false,
   375  		nil,
   376  		"",
   377  		"",
   378  		fmt.Sprintf(errSCIMNamespace, 4),
   379  		false,
   380  	},
   381  	{
   382  		[]byte("urn:a"),
   383  		false,
   384  		nil,
   385  		"",
   386  		"",
   387  		fmt.Sprintf(errSCIMNamespace, 4),
   388  		false,
   389  	},
   390  	{
   391  		[]byte(`u`),
   392  		false,
   393  		nil,
   394  		"",
   395  		"",
   396  		fmt.Sprintf(errPrefix, 1),
   397  		false,
   398  	},
   399  	{
   400  		[]byte(`ur`),
   401  		false,
   402  		nil,
   403  		"",
   404  		"",
   405  		fmt.Sprintf(errPrefix, 2),
   406  		false,
   407  	},
   408  	{
   409  		[]byte(`urn`),
   410  		false,
   411  		nil,
   412  		"",
   413  		"",
   414  		fmt.Sprintf(errPrefix, 3),
   415  		false,
   416  	},
   417  }
   418  
   419  var urn2141OnlyTestCases = []testCase{
   420  	// ok
   421  	{
   422  		[]byte("urn:simple:simple"),
   423  		true,
   424  		&URN{
   425  			prefix: "urn",
   426  			ID:     "simple",
   427  			SS:     "simple",
   428  		},
   429  		"urn:simple:simple",
   430  		"urn:simple:simple",
   431  		"",
   432  		false,
   433  	},
   434  	{
   435  		[]byte("urn:ciao:%5D"),
   436  		true,
   437  		&URN{
   438  			prefix: "urn",
   439  			ID:     "ciao",
   440  			SS:     "%5D",
   441  		},
   442  		"urn:ciao:%5D",
   443  		"urn:ciao:%5d",
   444  		"",
   445  		false,
   446  	},
   447  
   448  	// ok - RFC examples
   449  	{
   450  		[]byte("URN:foo:a123,456"),
   451  		true,
   452  		&URN{
   453  			prefix: "URN",
   454  			ID:     "foo",
   455  			SS:     "a123,456",
   456  		},
   457  		"URN:foo:a123,456",
   458  		"urn:foo:a123,456",
   459  		"",
   460  		false,
   461  	},
   462  	{
   463  		[]byte("urn:foo:a123,456"),
   464  		true,
   465  		&URN{
   466  			prefix: "urn",
   467  			ID:     "foo",
   468  			SS:     "a123,456",
   469  		},
   470  		"urn:foo:a123,456",
   471  		"urn:foo:a123,456",
   472  		"",
   473  		false,
   474  	},
   475  	{
   476  		[]byte("urn:FOO:a123,456"),
   477  		true,
   478  		&URN{
   479  			prefix: "urn",
   480  			ID:     "FOO",
   481  			SS:     "a123,456",
   482  		},
   483  		"urn:FOO:a123,456",
   484  		"urn:foo:a123,456",
   485  		"",
   486  		false,
   487  	},
   488  	{
   489  		[]byte("urn:foo:A123,456"),
   490  		true,
   491  		&URN{
   492  			prefix: "urn",
   493  			ID:     "foo",
   494  			SS:     "A123,456",
   495  		},
   496  		"urn:foo:A123,456",
   497  		"urn:foo:A123,456",
   498  		"",
   499  		false,
   500  	},
   501  	{
   502  		[]byte("urn:foo:a123%2C456"),
   503  		true,
   504  		&URN{
   505  			prefix: "urn",
   506  			ID:     "foo",
   507  			SS:     "a123%2C456",
   508  		},
   509  		"urn:foo:a123%2C456",
   510  		"urn:foo:a123%2c456",
   511  		"",
   512  		false,
   513  	},
   514  	{
   515  		[]byte("URN:FOO:a123%2c456"),
   516  		true,
   517  		&URN{
   518  			prefix: "URN",
   519  			ID:     "FOO",
   520  			SS:     "a123%2c456",
   521  		},
   522  		"URN:FOO:a123%2c456",
   523  		"urn:foo:a123%2c456",
   524  		"",
   525  		false,
   526  	},
   527  	{
   528  		[]byte("URN:FOO:ABC%FFabc123%2c456"),
   529  		true,
   530  		&URN{
   531  			prefix: "URN",
   532  			ID:     "FOO",
   533  			SS:     "ABC%FFabc123%2c456",
   534  		},
   535  		"URN:FOO:ABC%FFabc123%2c456",
   536  		"urn:foo:ABC%ffabc123%2c456",
   537  		"",
   538  		false,
   539  	},
   540  	{
   541  		[]byte("URN:FOO:ABC%FFabc123%2C456%9A"),
   542  		true,
   543  		&URN{
   544  			prefix: "URN",
   545  			ID:     "FOO",
   546  			SS:     "ABC%FFabc123%2C456%9A",
   547  		},
   548  		"URN:FOO:ABC%FFabc123%2C456%9A",
   549  		"urn:foo:ABC%ffabc123%2c456%9a",
   550  		"",
   551  		false,
   552  	},
   553  
   554  	// ok - SCIM v2
   555  	{
   556  		[]byte("urn:ietf:params:scim:schemas:core:2.0:User"),
   557  		true,
   558  		&URN{
   559  			prefix: "urn",
   560  			ID:     "ietf",
   561  			SS:     "params:scim:schemas:core:2.0:User",
   562  		},
   563  		"urn:ietf:params:scim:schemas:core:2.0:User",
   564  		"urn:ietf:params:scim:schemas:core:2.0:User",
   565  		"",
   566  		true,
   567  	},
   568  	{
   569  		[]byte("urn:ietf:params:scim:schemas:extension:enterprise:2.0:User"),
   570  		true,
   571  		&URN{
   572  			prefix: "urn",
   573  			ID:     "ietf",
   574  			SS:     "params:scim:schemas:extension:enterprise:2.0:User",
   575  		},
   576  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User",
   577  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User",
   578  		"",
   579  		true,
   580  	},
   581  	{
   582  		[]byte("urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName"),
   583  		true,
   584  		&URN{
   585  			prefix: "urn",
   586  			ID:     "ietf",
   587  			SS:     "params:scim:schemas:extension:enterprise:2.0:User:userName",
   588  		},
   589  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName",
   590  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:userName",
   591  		"",
   592  		true,
   593  	},
   594  	{
   595  		[]byte("urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified"),
   596  		true,
   597  		&URN{
   598  			prefix: "urn",
   599  			ID:     "ietf",
   600  			SS:     "params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified",
   601  		},
   602  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified",
   603  		"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User:meta.lastModified",
   604  		"",
   605  		true,
   606  	},
   607  
   608  	// ok - minimum urn
   609  	{
   610  		[]byte("urn:a:b"),
   611  		true,
   612  		&URN{
   613  			prefix: "urn",
   614  			ID:     "a",
   615  			SS:     "b",
   616  		},
   617  		"urn:a:b",
   618  		"urn:a:b",
   619  		"",
   620  		false,
   621  	},
   622  	{
   623  		[]byte("urn:a::"),
   624  		true,
   625  		&URN{
   626  			prefix: "urn",
   627  			ID:     "a",
   628  			SS:     ":",
   629  		},
   630  		"urn:a::",
   631  		"urn:a::",
   632  		"",
   633  		false,
   634  	},
   635  	{
   636  		[]byte("urn:a:-"),
   637  		true,
   638  		&URN{
   639  			prefix: "urn",
   640  			ID:     "a",
   641  			SS:     "-",
   642  		},
   643  		"urn:a:-",
   644  		"urn:a:-",
   645  		"",
   646  		false,
   647  	},
   648  
   649  	// ok - URN prefix is case-insensitive
   650  	{
   651  		[]byte("URN:simple:simple"),
   652  		true,
   653  		&URN{
   654  			prefix: "URN",
   655  			ID:     "simple",
   656  			SS:     "simple",
   657  		},
   658  		"URN:simple:simple",
   659  		"urn:simple:simple",
   660  		"",
   661  		false,
   662  	},
   663  	{
   664  		[]byte("Urn:simple:simple"),
   665  		true,
   666  		&URN{
   667  			prefix: "Urn",
   668  			ID:     "simple",
   669  			SS:     "simple",
   670  		},
   671  		"Urn:simple:simple",
   672  		"urn:simple:simple",
   673  		"",
   674  		false,
   675  	},
   676  
   677  	// ok - ID can contain the "urn" string but it can not be exactly equal to it
   678  	{
   679  		[]byte("urn:urna:simple"),
   680  		true,
   681  		&URN{
   682  			prefix: "urn",
   683  			ID:     "urna",
   684  			SS:     "simple",
   685  		},
   686  		"urn:urna:simple",
   687  		"urn:urna:simple",
   688  		"",
   689  		false,
   690  	},
   691  	{
   692  		[]byte("urn:burnout:nss"),
   693  		true,
   694  		&URN{
   695  			prefix: "urn",
   696  			ID:     "burnout",
   697  			SS:     "nss",
   698  		},
   699  		"urn:burnout:nss",
   700  		"urn:burnout:nss",
   701  		"",
   702  		false,
   703  	},
   704  	{
   705  		[]byte("urn:burn:nss"),
   706  		true,
   707  		&URN{
   708  			prefix: "urn",
   709  			ID:     "burn",
   710  			SS:     "nss",
   711  		},
   712  		"urn:burn:nss",
   713  		"urn:burn:nss",
   714  		"",
   715  		false,
   716  	},
   717  	{
   718  		[]byte("urn:urnurnurn:x"),
   719  		true,
   720  		&URN{
   721  			prefix: "urn",
   722  			ID:     "urnurnurn",
   723  			SS:     "x",
   724  		},
   725  		"urn:urnurnurn:x",
   726  		"urn:urnurnurn:x",
   727  		"",
   728  		false,
   729  	},
   730  
   731  	// ok - ID can contains maximum 32 characters
   732  	{
   733  		[]byte("urn:abcdefghilmnopqrstuvzabcdefghilm:x"),
   734  		true,
   735  		&URN{
   736  			prefix: "urn",
   737  			ID:     "abcdefghilmnopqrstuvzabcdefghilm",
   738  			SS:     "x",
   739  		},
   740  		"urn:abcdefghilmnopqrstuvzabcdefghilm:x",
   741  		"urn:abcdefghilmnopqrstuvzabcdefghilm:x",
   742  		"",
   743  		false,
   744  	},
   745  
   746  	// ok - ID can be alpha numeric
   747  	{
   748  		[]byte("URN:123:x"),
   749  		true,
   750  		&URN{
   751  			prefix: "URN",
   752  			ID:     "123",
   753  			SS:     "x",
   754  		},
   755  		"URN:123:x",
   756  		"urn:123:x",
   757  		"",
   758  		false,
   759  	},
   760  	{
   761  		[]byte("URN:1ab:x"),
   762  		true,
   763  		&URN{
   764  			prefix: "URN",
   765  			ID:     "1ab",
   766  			SS:     "x",
   767  		},
   768  		"URN:1ab:x",
   769  		"urn:1ab:x",
   770  		"",
   771  		false,
   772  	},
   773  	{
   774  		[]byte("URN:a1b:x"),
   775  		true,
   776  		&URN{
   777  			prefix: "URN",
   778  			ID:     "a1b",
   779  			SS:     "x",
   780  		},
   781  		"URN:a1b:x",
   782  		"urn:a1b:x",
   783  		"",
   784  		false,
   785  	},
   786  	{
   787  		[]byte("URN:a12:x"),
   788  		true,
   789  		&URN{
   790  			prefix: "URN",
   791  			ID:     "a12",
   792  			SS:     "x",
   793  		},
   794  		"URN:a12:x",
   795  		"urn:a12:x",
   796  		"",
   797  		false,
   798  	},
   799  	{
   800  		[]byte("URN:cd2:x"),
   801  		true,
   802  		&URN{
   803  			prefix: "URN",
   804  			ID:     "cd2",
   805  			SS:     "x",
   806  		},
   807  		"URN:cd2:x",
   808  		"urn:cd2:x",
   809  		"",
   810  		false,
   811  	},
   812  
   813  	// ok - ID can contain an hyphen (not in its first position, see below)
   814  	{
   815  		[]byte("URN:abcd-:x"),
   816  		true,
   817  		&URN{
   818  			prefix: "URN",
   819  			ID:     "abcd-",
   820  			SS:     "x",
   821  		},
   822  		"URN:abcd-:x",
   823  		"urn:abcd-:x",
   824  		"",
   825  		false,
   826  	},
   827  	{
   828  		[]byte("URN:abcd-abcd:x"),
   829  		true,
   830  		&URN{
   831  			prefix: "URN",
   832  			ID:     "abcd-abcd",
   833  			SS:     "x",
   834  		},
   835  		"URN:abcd-abcd:x",
   836  		"urn:abcd-abcd:x",
   837  		"",
   838  		false,
   839  	},
   840  	{
   841  		[]byte("URN:a123-456z:x"),
   842  		true,
   843  		&URN{
   844  			prefix: "URN",
   845  			ID:     "a123-456z",
   846  			SS:     "x",
   847  		},
   848  		"URN:a123-456z:x",
   849  		"urn:a123-456z:x",
   850  		"",
   851  		false,
   852  	},
   853  
   854  	// ok - SS can contain the "urn" string, also be exactly equal to it
   855  	{
   856  		[]byte("urn:urnx:urn"),
   857  		true,
   858  		&URN{
   859  			prefix: "urn",
   860  			ID:     "urnx",
   861  			SS:     "urn",
   862  		},
   863  		"urn:urnx:urn",
   864  		"urn:urnx:urn",
   865  		"",
   866  		false,
   867  	},
   868  	{
   869  		[]byte("urn:urnurnurn:urn"),
   870  		true,
   871  		&URN{
   872  			prefix: "urn",
   873  			ID:     "urnurnurn",
   874  			SS:     "urn",
   875  		},
   876  		"urn:urnurnurn:urn",
   877  		"urn:urnurnurn:urn",
   878  		"",
   879  		false,
   880  	},
   881  	{
   882  		[]byte("urn:hey:urnurnurn"),
   883  		true,
   884  		&URN{
   885  			prefix: "urn",
   886  			ID:     "hey",
   887  			SS:     "urnurnurn",
   888  		},
   889  		"urn:hey:urnurnurn",
   890  		"urn:hey:urnurnurn",
   891  		"",
   892  		false,
   893  	},
   894  
   895  	// ok - SS can contains and discerns multiple colons, also at the end
   896  	{
   897  		[]byte("urn:ciao:a:b:c"),
   898  		true,
   899  		&URN{
   900  			prefix: "urn",
   901  			ID:     "ciao",
   902  			SS:     "a:b:c",
   903  		},
   904  		"urn:ciao:a:b:c",
   905  		"urn:ciao:a:b:c",
   906  		"",
   907  		false,
   908  	},
   909  	{
   910  		[]byte("urn:aaa:x:y:"),
   911  		true,
   912  		&URN{
   913  			prefix: "urn",
   914  			ID:     "aaa",
   915  			SS:     "x:y:",
   916  		},
   917  		"urn:aaa:x:y:",
   918  		"urn:aaa:x:y:",
   919  		"",
   920  		false,
   921  	},
   922  	{
   923  		[]byte("urn:aaa:x:y:"),
   924  		true,
   925  		&URN{
   926  			prefix: "urn",
   927  			ID:     "aaa",
   928  			SS:     "x:y:",
   929  		},
   930  		"urn:aaa:x:y:",
   931  		"urn:aaa:x:y:",
   932  		"",
   933  		false,
   934  	},
   935  
   936  	// ok - SS can contain (and also start with) some non-alphabetical (ie., OTHER) characters
   937  	{
   938  		[]byte("urn:ciao:-"),
   939  		true,
   940  		&URN{
   941  			prefix: "urn",
   942  			ID:     "ciao",
   943  			SS:     "-",
   944  		},
   945  		"urn:ciao:-",
   946  		"urn:ciao:-",
   947  		"",
   948  		false,
   949  	},
   950  	{
   951  		[]byte("urn:ciao:("),
   952  		true,
   953  		&URN{
   954  			prefix: "urn",
   955  			ID:     "ciao",
   956  			SS:     "(",
   957  		},
   958  		"urn:ciao:(",
   959  		"urn:ciao:(",
   960  		"",
   961  		false,
   962  	},
   963  	{
   964  		[]byte("urn:ciao:)"),
   965  		true,
   966  		&URN{
   967  			prefix: "urn",
   968  			ID:     "ciao",
   969  			SS:     ")",
   970  		},
   971  		"urn:ciao:)",
   972  		"urn:ciao:)",
   973  		"",
   974  		false,
   975  	},
   976  	{
   977  		[]byte("urn:ciao:+"),
   978  		true,
   979  		&URN{
   980  			prefix: "urn",
   981  			ID:     "ciao",
   982  			SS:     "+",
   983  		},
   984  		"urn:ciao:+",
   985  		"urn:ciao:+",
   986  		"",
   987  		false,
   988  	},
   989  	{
   990  		[]byte("urn:ciao::"),
   991  		true,
   992  		&URN{
   993  			prefix: "urn",
   994  			ID:     "ciao",
   995  			SS:     ":",
   996  		},
   997  		"urn:ciao::",
   998  		"urn:ciao::",
   999  		"",
  1000  		false,
  1001  	},
  1002  	{
  1003  		[]byte("urn:colon:::::nss"),
  1004  		true,
  1005  		&URN{
  1006  			prefix: "urn",
  1007  			ID:     "colon",
  1008  			SS:     "::::nss",
  1009  		},
  1010  		"urn:colon:::::nss",
  1011  		"urn:colon:::::nss",
  1012  		"",
  1013  		false,
  1014  	},
  1015  	{
  1016  		[]byte("urn:ciao:!"),
  1017  		true,
  1018  		&URN{
  1019  			prefix: "urn",
  1020  			ID:     "ciao",
  1021  			SS:     "!",
  1022  		},
  1023  		"urn:ciao:!",
  1024  		"urn:ciao:!",
  1025  		"",
  1026  		false,
  1027  	},
  1028  	{
  1029  		[]byte("urn:ciao:!!*"),
  1030  		true,
  1031  		&URN{
  1032  			prefix: "urn",
  1033  			ID:     "ciao",
  1034  			SS:     "!!*",
  1035  		},
  1036  		"urn:ciao:!!*",
  1037  		"urn:ciao:!!*",
  1038  		"",
  1039  		false,
  1040  	},
  1041  	{
  1042  		[]byte("urn:ciao:-!:-,:x"),
  1043  		true,
  1044  		&URN{
  1045  			prefix: "urn",
  1046  			ID:     "ciao",
  1047  			SS:     "-!:-,:x",
  1048  		},
  1049  		"urn:ciao:-!:-,:x",
  1050  		"urn:ciao:-!:-,:x",
  1051  		"",
  1052  		false,
  1053  	},
  1054  	{
  1055  		[]byte("urn:ciao:=@"),
  1056  		true,
  1057  		&URN{
  1058  			prefix: "urn",
  1059  			ID:     "ciao",
  1060  			SS:     "=@",
  1061  		},
  1062  		"urn:ciao:=@",
  1063  		"urn:ciao:=@",
  1064  		"",
  1065  		false,
  1066  	},
  1067  	{
  1068  		[]byte("urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'"),
  1069  		true,
  1070  		&URN{
  1071  			prefix: "urn",
  1072  			ID:     "ciao",
  1073  			SS:     "@!=%2C(xyz)+a,b.*@g=$_'",
  1074  		},
  1075  		"urn:ciao:@!=%2C(xyz)+a,b.*@g=$_'",
  1076  		"urn:ciao:@!=%2c(xyz)+a,b.*@g=$_'",
  1077  		"",
  1078  		false,
  1079  	},
  1080  
  1081  	// ok - SS can contain (and also start with) hexadecimal representation of octets
  1082  	{
  1083  		[]byte("URN:hexes:%25"),
  1084  		true,
  1085  		&URN{
  1086  			prefix: "URN",
  1087  			ID:     "hexes",
  1088  			SS:     "%25",
  1089  		},
  1090  		"URN:hexes:%25",
  1091  		"urn:hexes:%25",
  1092  		"",
  1093  		false,
  1094  	}, // Literal use of the "%" character in a namespace must be encoded using "%25"
  1095  	{
  1096  		[]byte("URN:x:abc%1Dz%2F%3az"),
  1097  		true,
  1098  		&URN{
  1099  			prefix: "URN",
  1100  			ID:     "x",
  1101  			SS:     "abc%1Dz%2F%3az",
  1102  		},
  1103  		"URN:x:abc%1Dz%2F%3az",
  1104  		"urn:x:abc%1dz%2f%3az",
  1105  		"",
  1106  		false,
  1107  	}, // Literal use of the "%" character in a namespace must be encoded using "%25"
  1108  
  1109  	// no - ID can not start with an hyphen
  1110  	{
  1111  		[]byte("URN:-xxx:x"),
  1112  		false,
  1113  		nil,
  1114  		"",
  1115  		"",
  1116  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1117  		false,
  1118  	},
  1119  	{
  1120  		[]byte("URN:---xxx:x"),
  1121  		false,
  1122  		nil,
  1123  		"",
  1124  		"",
  1125  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1126  		false,
  1127  	},
  1128  
  1129  	// no - ID can not start with a colon
  1130  	{
  1131  		[]byte("urn::colon:nss"),
  1132  		false,
  1133  		nil,
  1134  		"",
  1135  		"",
  1136  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1137  		false,
  1138  	},
  1139  	{
  1140  		[]byte("urn::::nss"),
  1141  		false,
  1142  		nil,
  1143  		"",
  1144  		"",
  1145  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1146  		false,
  1147  	},
  1148  
  1149  	// no - ID can not contains more than 32 characters
  1150  	{
  1151  		[]byte("urn:abcdefghilmnopqrstuvzabcdefghilmn:specificstring"),
  1152  		false,
  1153  		nil,
  1154  		"",
  1155  		"",
  1156  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 36]`,
  1157  		false,
  1158  	},
  1159  
  1160  	// no - ID can not contain special characters
  1161  	{
  1162  		[]byte("URN:a!?:x"),
  1163  		false,
  1164  		nil,
  1165  		"",
  1166  		"",
  1167  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 5]`,
  1168  		false,
  1169  	},
  1170  	{
  1171  		[]byte("URN:@,:x"),
  1172  		false,
  1173  		nil,
  1174  		"",
  1175  		"",
  1176  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1177  		false,
  1178  	},
  1179  	{
  1180  		[]byte("URN:#,:x"),
  1181  		false,
  1182  		nil,
  1183  		"",
  1184  		"",
  1185  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1186  		false,
  1187  	},
  1188  	{
  1189  		[]byte("URN:bc'.@:x"),
  1190  		false,
  1191  		nil,
  1192  		"",
  1193  		"",
  1194  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 6]`,
  1195  		false,
  1196  	},
  1197  
  1198  	// no - ID can not be equal to "urn"
  1199  	{
  1200  		[]byte("urn:urn:NSS"),
  1201  		false,
  1202  		nil,
  1203  		"",
  1204  		"",
  1205  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1206  		false,
  1207  	},
  1208  	{
  1209  		[]byte("urn:URN:NSS"),
  1210  		false,
  1211  		nil,
  1212  		"",
  1213  		"",
  1214  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1215  		false,
  1216  	},
  1217  	{
  1218  		[]byte("URN:URN:NSS"),
  1219  		false,
  1220  		nil,
  1221  		"",
  1222  		"",
  1223  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1224  		false,
  1225  	},
  1226  	{
  1227  		[]byte("urn:UrN:NSS"),
  1228  		false,
  1229  		nil,
  1230  		"",
  1231  		"",
  1232  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1233  		false,
  1234  	},
  1235  	{
  1236  		[]byte("urn:Urn:NSS"),
  1237  		false,
  1238  		nil,
  1239  		"",
  1240  		"",
  1241  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1242  		false,
  1243  	},
  1244  
  1245  	// no - ID can not contain spaces
  1246  	{
  1247  		[]byte("urn:white space:NSS"),
  1248  		false,
  1249  		nil,
  1250  		"",
  1251  		"",
  1252  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 9]`,
  1253  		false,
  1254  	},
  1255  
  1256  	// no - SS can not contain spaces
  1257  	{
  1258  		[]byte("urn:concat:no spaces"),
  1259  		false,
  1260  		nil,
  1261  		"",
  1262  		"",
  1263  		`expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col 13]`,
  1264  		false,
  1265  	},
  1266  
  1267  	// no - SS can not contain reserved characters (can accept them only if %-escaped)
  1268  	{
  1269  		[]byte("urn:a:%"), // the presence of an "%" character in an URN MUST be followed by two characters from the <hex> character set
  1270  		false,
  1271  		nil,
  1272  		"",
  1273  		"",
  1274  		fmt.Sprintf(errHex, 7),
  1275  		false,
  1276  	},
  1277  	{
  1278  		[]byte("urn:a:%A"), // the presence of an "%" character in an URN MUST be followed by two characters from the <hex> character set
  1279  		false,
  1280  		nil,
  1281  		"",
  1282  		"",
  1283  		fmt.Sprintf(errHex, 8),
  1284  		false,
  1285  	},
  1286  	{
  1287  		[]byte("urn:a:?"),
  1288  		false,
  1289  		nil,
  1290  		"",
  1291  		"",
  1292  		`expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col 6]`,
  1293  		false,
  1294  	},
  1295  	{
  1296  		[]byte("urn:a:#"),
  1297  		false,
  1298  		nil,
  1299  		"",
  1300  		"",
  1301  		`expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col 6]`,
  1302  		false,
  1303  	},
  1304  	{
  1305  		[]byte("urn:a:/"),
  1306  		false,
  1307  		nil,
  1308  		"",
  1309  		"",
  1310  		`expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col 6]`,
  1311  		false,
  1312  	},
  1313  	{
  1314  		[]byte("urn:ietf:params:scim:api:messages:%"),
  1315  		false,
  1316  		nil,
  1317  		"",
  1318  		"",
  1319  		fmt.Sprintf(errHex, 35),
  1320  		false,
  1321  	},
  1322  	{
  1323  		[]byte("urn:ietf:params:scim:api:messages:%F"),
  1324  		false,
  1325  		nil,
  1326  		"",
  1327  		"",
  1328  		fmt.Sprintf(errHex, 36),
  1329  		false,
  1330  	},
  1331  	{
  1332  		[]byte("arn:ietf:params:scim:schemas:core"),
  1333  		false,
  1334  		nil,
  1335  		"",
  1336  		"",
  1337  		fmt.Sprintf(errPrefix, 0),
  1338  		false,
  1339  	},
  1340  	{
  1341  		[]byte("usn:ietf:params:scim:schemas:core"),
  1342  		false,
  1343  		nil,
  1344  		"",
  1345  		"",
  1346  		fmt.Sprintf(errPrefix, 1),
  1347  		false,
  1348  	},
  1349  	{
  1350  		[]byte("urm:ietf:params:scim:schemas:core"),
  1351  		false,
  1352  		nil,
  1353  		"",
  1354  		"",
  1355  		fmt.Sprintf(errPrefix, 2),
  1356  		false,
  1357  	},
  1358  	{
  1359  		[]byte("urno:ietf:params:scim:schemas:core"),
  1360  		false,
  1361  		nil,
  1362  		"",
  1363  		"",
  1364  		fmt.Sprintf(errPrefix, 3),
  1365  		false,
  1366  	},
  1367  	{
  1368  		[]byte("urno"),
  1369  		false,
  1370  		nil,
  1371  		"",
  1372  		"",
  1373  		fmt.Sprintf(errPrefix, 3),
  1374  		false,
  1375  	},
  1376  	{
  1377  		[]byte("URN:a!?:x"),
  1378  		false,
  1379  		nil,
  1380  		"",
  1381  		"",
  1382  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 5]`,
  1383  		false,
  1384  	},
  1385  	{
  1386  		[]byte("urn:Urn:NSS"),
  1387  		false,
  1388  		nil,
  1389  		"",
  1390  		"",
  1391  		`expecting the identifier to not contain the "urn" reserved string [col 7]`,
  1392  		false,
  1393  	},
  1394  	{
  1395  		[]byte("urn:spazio bianco:NSS"),
  1396  		false,
  1397  		nil,
  1398  		"",
  1399  		"",
  1400  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 10]`,
  1401  		false,
  1402  	},
  1403  	{
  1404  		[]byte("urn:conca:z ws"),
  1405  		false,
  1406  		nil,
  1407  		"",
  1408  		"",
  1409  		fmt.Sprintf(errSpecificString, 11),
  1410  		false,
  1411  	},
  1412  	{
  1413  		[]byte("urn:ietf:params:scim:schemas:core:2.&"),
  1414  		false,
  1415  		nil,
  1416  		"",
  1417  		"",
  1418  		fmt.Sprintf(errSpecificString, 36),
  1419  		false,
  1420  	},
  1421  
  1422  	// no - Incomplete URNs
  1423  	{
  1424  		[]byte("urn:"),
  1425  		false,
  1426  		nil,
  1427  		"",
  1428  		"",
  1429  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1430  		false,
  1431  	},
  1432  	{
  1433  		[]byte("urn::"),
  1434  		false,
  1435  		nil,
  1436  		"",
  1437  		"",
  1438  		`expecting the identifier to be string (1..31 alnum chars, also containing dashes but not at its beginning) [col 4]`,
  1439  		false,
  1440  	},
  1441  	{
  1442  		[]byte("urn:a:"),
  1443  		false,
  1444  		nil,
  1445  		"",
  1446  		"",
  1447  		`expecting the specific string to be a string containing alnum, hex, or others ([()+,-.:=@;$_!*']) chars [col 6]`,
  1448  		false,
  1449  	},
  1450  	{
  1451  		[]byte("urn:a"),
  1452  		false,
  1453  		nil,
  1454  		"",
  1455  		"",
  1456  		fmt.Sprintf(errIdentifier, 5),
  1457  		false,
  1458  	},
  1459  	// no - Incomplete prefix
  1460  	{
  1461  		[]byte(`u`),
  1462  		false,
  1463  		nil,
  1464  		"",
  1465  		"",
  1466  		fmt.Sprintf(errPrefix, 1),
  1467  		false,
  1468  	},
  1469  	{
  1470  		[]byte(`ur`),
  1471  		false,
  1472  		nil,
  1473  		"",
  1474  		"",
  1475  		fmt.Sprintf(errPrefix, 2),
  1476  		false,
  1477  	},
  1478  	{
  1479  		[]byte(`urn`),
  1480  		false,
  1481  		nil,
  1482  		"",
  1483  		"",
  1484  		fmt.Sprintf(errPrefix, 3),
  1485  		false,
  1486  	},
  1487  
  1488  	// no, empty
  1489  	{
  1490  		[]byte(""),
  1491  		false,
  1492  		nil,
  1493  		"",
  1494  		"",
  1495  		fmt.Sprintf(errPrefix, 0),
  1496  		false,
  1497  	},
  1498  }
  1499  
  1500  var rfc8141TestCases = []testCase{
  1501  	// ok
  1502  	{
  1503  		[]byte("urn:lex:it:ministero.giustizia:decreto:1992-07-24;358~art5"), // Italian decree
  1504  		true,
  1505  		&URN{
  1506  			prefix: "urn",
  1507  			ID:     "lex",
  1508  			SS:     "it:ministero.giustizia:decreto:1992-07-24;358~art5",
  1509  		},
  1510  		"urn:lex:it:ministero.giustizia:decreto:1992-07-24;358~art5",
  1511  		"urn:lex:it:ministero.giustizia:decreto:1992-07-24;358~art5",
  1512  		"",
  1513  		false,
  1514  	}, // ~ allowed in the NSS
  1515  	{
  1516  		[]byte("urn:nid:nss/"),
  1517  		true,
  1518  		&URN{
  1519  			prefix: "urn",
  1520  			ID:     "nid",
  1521  			SS:     "nss/",
  1522  		},
  1523  		"urn:nid:nss/",
  1524  		"urn:nid:nss/",
  1525  		"",
  1526  		false,
  1527  	}, // / allowed in the NSS
  1528  	{
  1529  		[]byte("urn:nid:nss&"),
  1530  		true,
  1531  		&URN{
  1532  			prefix: "urn",
  1533  			ID:     "nid",
  1534  			SS:     "nss&",
  1535  		},
  1536  		"urn:nid:nss&",
  1537  		"urn:nid:nss&",
  1538  		"",
  1539  		false,
  1540  	}, // & allowed in the NSS
  1541  	{
  1542  		[]byte("urn:example:1/406/47452/2"),
  1543  		true,
  1544  		&URN{
  1545  			prefix: "urn",
  1546  			ID:     "example",
  1547  			SS:     "1/406/47452/2",
  1548  		},
  1549  		"urn:example:1/406/47452/2",
  1550  		"urn:example:1/406/47452/2",
  1551  		"",
  1552  		false,
  1553  	}, // & allowed in the NSS
  1554  	{
  1555  		[]byte("urn:example:foo-bar-baz-qux?+CCResolve:cc=uk"),
  1556  		true,
  1557  		&URN{
  1558  			prefix:     "urn",
  1559  			ID:         "example",
  1560  			SS:         "foo-bar-baz-qux",
  1561  			rComponent: "CCResolve:cc=uk",
  1562  		},
  1563  		"urn:example:foo-bar-baz-qux?+CCResolve:cc=uk",
  1564  		"urn:example:foo-bar-baz-qux",
  1565  		"",
  1566  		false,
  1567  	},
  1568  	{
  1569  		[]byte("urn:example:foo-bar-baz-qux?+&"),
  1570  		true,
  1571  		&URN{
  1572  			prefix:     "urn",
  1573  			ID:         "example",
  1574  			SS:         "foo-bar-baz-qux",
  1575  			rComponent: "&",
  1576  		},
  1577  		"urn:example:foo-bar-baz-qux?+&",
  1578  		"urn:example:foo-bar-baz-qux",
  1579  		"",
  1580  		false,
  1581  	},
  1582  	{
  1583  		[]byte("urn:example:foo-bar-baz-qux?+~"),
  1584  		true,
  1585  		&URN{
  1586  			prefix:     "urn",
  1587  			ID:         "example",
  1588  			SS:         "foo-bar-baz-qux",
  1589  			rComponent: "~",
  1590  		},
  1591  		"urn:example:foo-bar-baz-qux?+~",
  1592  		"urn:example:foo-bar-baz-qux",
  1593  		"",
  1594  		false,
  1595  	},
  1596  	{
  1597  		[]byte("urn:example:foo-bar-baz-qux?+%16CCResolve:cc=uk"),
  1598  		true,
  1599  		&URN{
  1600  			prefix:     "urn",
  1601  			ID:         "example",
  1602  			SS:         "foo-bar-baz-qux",
  1603  			rComponent: "%16CCResolve:cc=uk",
  1604  		},
  1605  		"urn:example:foo-bar-baz-qux?+%16CCResolve:cc=uk",
  1606  		"urn:example:foo-bar-baz-qux",
  1607  		"",
  1608  		false,
  1609  	},
  1610  	{
  1611  		[]byte("urn:example:foo-bar-baz-qut?+~&%FF()+,-.:=@;$_!/?Alnum123456"),
  1612  		true,
  1613  		&URN{
  1614  			prefix:     "urn",
  1615  			ID:         "example",
  1616  			SS:         "foo-bar-baz-qut",
  1617  			rComponent: "~&%FF()+,-.:=@;$_!/?Alnum123456",
  1618  		},
  1619  		"urn:example:foo-bar-baz-qut?+~&%FF()+,-.:=@;$_!/?Alnum123456",
  1620  		"urn:example:foo-bar-baz-qut",
  1621  		"",
  1622  		false,
  1623  	},
  1624  	{
  1625  		[]byte("urn:example:weather?=op=map&lat=39.56&lon=-104.85&datetime=1969-07-21T02:56:15Z"),
  1626  		true,
  1627  		&URN{
  1628  			prefix:     "urn",
  1629  			ID:         "example",
  1630  			SS:         "weather",
  1631  			qComponent: "op=map&lat=39.56&lon=-104.85&datetime=1969-07-21T02:56:15Z",
  1632  		},
  1633  		"urn:example:weather?=op=map&lat=39.56&lon=-104.85&datetime=1969-07-21T02:56:15Z",
  1634  		"urn:example:weather",
  1635  		"",
  1636  		false,
  1637  	},
  1638  	{
  1639  		[]byte("urn:esempio:climate?=alnum~&%FF()+,-.:=@;$_!/?123456"),
  1640  		true,
  1641  		&URN{
  1642  			prefix:     "urn",
  1643  			ID:         "esempio",
  1644  			SS:         "climate",
  1645  			qComponent: "alnum~&%FF()+,-.:=@;$_!/?123456",
  1646  		},
  1647  		"urn:esempio:climate?=alnum~&%FF()+,-.:=@;$_!/?123456",
  1648  		"urn:esempio:climate",
  1649  		"",
  1650  		false,
  1651  	},
  1652  	{
  1653  		[]byte("urn:esempio:climate?=&&"),
  1654  		true,
  1655  		&URN{
  1656  			prefix:     "urn",
  1657  			ID:         "esempio",
  1658  			SS:         "climate",
  1659  			qComponent: "&&",
  1660  		},
  1661  		"urn:esempio:climate?=&&",
  1662  		"urn:esempio:climate",
  1663  		"",
  1664  		false,
  1665  	},
  1666  	{
  1667  		[]byte("urn:esempio:climate?=%A1alnum~&%FF()+,-.:=@;$_!/?123456"),
  1668  		true,
  1669  		&URN{
  1670  			prefix:     "urn",
  1671  			ID:         "esempio",
  1672  			SS:         "climate",
  1673  			qComponent: "%A1alnum~&%FF()+,-.:=@;$_!/?123456",
  1674  		},
  1675  		"urn:esempio:climate?=%A1alnum~&%FF()+,-.:=@;$_!/?123456",
  1676  		"urn:esempio:climate",
  1677  		"",
  1678  		false,
  1679  	},
  1680  	{
  1681  		[]byte("urn:example:foo-bar-baz-qux#somepart"),
  1682  		true,
  1683  		&URN{
  1684  			prefix:     "urn",
  1685  			ID:         "example",
  1686  			SS:         "foo-bar-baz-qux",
  1687  			fComponent: "somepart",
  1688  		},
  1689  		"urn:example:foo-bar-baz-qux#somepart",
  1690  		"urn:example:foo-bar-baz-qux",
  1691  		"",
  1692  		false,
  1693  	},
  1694  	{
  1695  		[]byte("urn:example:foo-bar-baz-qux#~&"),
  1696  		true,
  1697  		&URN{
  1698  			prefix:     "urn",
  1699  			ID:         "example",
  1700  			SS:         "foo-bar-baz-qux",
  1701  			fComponent: "~&",
  1702  		},
  1703  		"urn:example:foo-bar-baz-qux#~&",
  1704  		"urn:example:foo-bar-baz-qux",
  1705  		"",
  1706  		false,
  1707  	},
  1708  	{
  1709  		[]byte("urn:example:foo-bar-baz-qux#alnum~&%FF()+,-.:=@;$_!/?123456"),
  1710  		true,
  1711  		&URN{
  1712  			prefix:     "urn",
  1713  			ID:         "example",
  1714  			SS:         "foo-bar-baz-qux",
  1715  			fComponent: "alnum~&%FF()+,-.:=@;$_!/?123456",
  1716  		},
  1717  		"urn:example:foo-bar-baz-qux#alnum~&%FF()+,-.:=@;$_!/?123456",
  1718  		"urn:example:foo-bar-baz-qux",
  1719  		"",
  1720  		false,
  1721  	},
  1722  	{
  1723  		[]byte("urn:example:foo-bar-baz-qux#%D0alnum~&%FF()+,-.:=@;$_!/?123456"),
  1724  		true,
  1725  		&URN{
  1726  			prefix:     "urn",
  1727  			ID:         "example",
  1728  			SS:         "foo-bar-baz-qux",
  1729  			fComponent: "%D0alnum~&%FF()+,-.:=@;$_!/?123456",
  1730  		},
  1731  		"urn:example:foo-bar-baz-qux#%D0alnum~&%FF()+,-.:=@;$_!/?123456",
  1732  		"urn:example:foo-bar-baz-qux",
  1733  		"",
  1734  		false,
  1735  	},
  1736  	{
  1737  		[]byte("urn:example:CamelCase1/406/47452/2?+Cc=it&prefix=39?=lat=41.22255&long=16.06596#frag"),
  1738  		true,
  1739  		&URN{
  1740  			prefix:     "urn",
  1741  			ID:         "example",
  1742  			SS:         "CamelCase1/406/47452/2",
  1743  			rComponent: "Cc=it&prefix=39",
  1744  			qComponent: "lat=41.22255&long=16.06596",
  1745  			fComponent: "frag",
  1746  		},
  1747  		"urn:example:CamelCase1/406/47452/2?+Cc=it&prefix=39?=lat=41.22255&long=16.06596#frag",
  1748  		"urn:example:CamelCase1/406/47452/2",
  1749  		"",
  1750  		false,
  1751  	}, // r_component, q_component, f_component
  1752  	{
  1753  		[]byte("urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag"),
  1754  		true,
  1755  		&URN{
  1756  			prefix:     "urn",
  1757  			ID:         "example",
  1758  			SS:         "CamelCase1/406/47452/2",
  1759  			qComponent: "lat=41.22255&long=16.06596",
  1760  			fComponent: "frag",
  1761  		},
  1762  		"urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag",
  1763  		"urn:example:CamelCase1/406/47452/2",
  1764  		"",
  1765  		false,
  1766  	}, // q_component, f_component
  1767  	{
  1768  		[]byte("urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag?some/slash/~%D0"),
  1769  		true,
  1770  		&URN{
  1771  			prefix:     "urn",
  1772  			ID:         "example",
  1773  			SS:         "CamelCase1/406/47452/2",
  1774  			qComponent: "lat=41.22255&long=16.06596",
  1775  			fComponent: "frag?some/slash/~%D0",
  1776  		},
  1777  		"urn:example:CamelCase1/406/47452/2?=lat=41.22255&long=16.06596#frag?some/slash/~%D0",
  1778  		"urn:example:CamelCase1/406/47452/2",
  1779  		"",
  1780  		false,
  1781  	}, // q_component, f_component
  1782  	{
  1783  		[]byte("urn:example:CamelCase1/406/47452/2?+Cc=it&prefix=39?=lat=41.22255&long=16.06596"),
  1784  		true,
  1785  		&URN{
  1786  			prefix:     "urn",
  1787  			ID:         "example",
  1788  			SS:         "CamelCase1/406/47452/2",
  1789  			rComponent: "Cc=it&prefix=39",
  1790  			qComponent: "lat=41.22255&long=16.06596",
  1791  		},
  1792  		"urn:example:CamelCase1/406/47452/2?+Cc=it&prefix=39?=lat=41.22255&long=16.06596",
  1793  		"urn:example:CamelCase1/406/47452/2",
  1794  		"",
  1795  		false,
  1796  	}, // r_component, q_component
  1797  	{
  1798  		[]byte("urn:TESTt3st:&/987/QWERTYUIOP/0#"),
  1799  		true,
  1800  		&URN{
  1801  			prefix:     "urn",
  1802  			ID:         "TESTt3st",
  1803  			SS:         "&/987/QWERTYUIOP/0",
  1804  			fComponent: "",
  1805  		},
  1806  		"urn:TESTt3st:&/987/QWERTYUIOP/0",
  1807  		"urn:testt3st:&/987/QWERTYUIOP/0",
  1808  		"",
  1809  		false,
  1810  	}, // empty fragment
  1811  	{
  1812  		[]byte("urn:example:%D0%B0123,z456"),
  1813  		true,
  1814  		&URN{
  1815  			prefix: "urn",
  1816  			ID:     "example",
  1817  			SS:     "%D0%B0123,z456",
  1818  		},
  1819  		"urn:example:%D0%B0123,z456",
  1820  		"urn:example:%d0%b0123,z456",
  1821  		"",
  1822  		false,
  1823  	},
  1824  	{
  1825  		[]byte("urn:example:apple:pear:plum:cherry"),
  1826  		true,
  1827  		&URN{
  1828  			prefix: "urn",
  1829  			ID:     "example",
  1830  			SS:     "apple:pear:plum:cherry",
  1831  		},
  1832  		"urn:example:apple:pear:plum:cherry",
  1833  		"urn:example:apple:pear:plum:cherry",
  1834  		"",
  1835  		false,
  1836  	},
  1837  	{
  1838  		[]byte("urn:z------------------------------a:q"),
  1839  		true,
  1840  		&URN{
  1841  			prefix: "urn",
  1842  			ID:     "z------------------------------a",
  1843  			SS:     "q",
  1844  		},
  1845  		"urn:z------------------------------a:q",
  1846  		"urn:z------------------------------a:q",
  1847  		"",
  1848  		false,
  1849  	},
  1850  	{
  1851  		[]byte("urn:10:2"),
  1852  		true,
  1853  		&URN{
  1854  			prefix: "urn",
  1855  			ID:     "10",
  1856  			SS:     "2",
  1857  		},
  1858  		"urn:10:2",
  1859  		"urn:10:2",
  1860  		"",
  1861  		false,
  1862  	},
  1863  	{
  1864  		[]byte("urn:a1l2n3m4-56789aeiou:2"),
  1865  		true,
  1866  		&URN{
  1867  			prefix: "urn",
  1868  			ID:     "a1l2n3m4-56789aeiou",
  1869  			SS:     "2",
  1870  		},
  1871  		"urn:a1l2n3m4-56789aeiou:2",
  1872  		"urn:a1l2n3m4-56789aeiou:2",
  1873  		"",
  1874  		false,
  1875  	},
  1876  	{
  1877  		[]byte("urn:a1l2n3m4-56789aeiou:2%D0%B0"),
  1878  		true,
  1879  		&URN{
  1880  			prefix: "urn",
  1881  			ID:     "a1l2n3m4-56789aeiou",
  1882  			SS:     "2%D0%B0",
  1883  		},
  1884  		"urn:a1l2n3m4-56789aeiou:2%D0%B0",
  1885  		"urn:a1l2n3m4-56789aeiou:2%d0%b0",
  1886  		"",
  1887  		false,
  1888  	},
  1889  	{
  1890  		[]byte("urn:amp:&"),
  1891  		true,
  1892  		&URN{
  1893  			prefix: "urn",
  1894  			ID:     "amp",
  1895  			SS:     "&",
  1896  		},
  1897  		"urn:amp:&",
  1898  		"urn:amp:&",
  1899  		"",
  1900  		false,
  1901  	},
  1902  	{
  1903  		[]byte("urn:tilde:~~~"),
  1904  		true,
  1905  		&URN{
  1906  			prefix: "urn",
  1907  			ID:     "tilde",
  1908  			SS:     "~~~",
  1909  		},
  1910  		"urn:tilde:~~~",
  1911  		"urn:tilde:~~~",
  1912  		"",
  1913  		false,
  1914  	},
  1915  	{
  1916  		[]byte("urn:signs:()+,-.:=@;$_!*alnum123456789"),
  1917  		true,
  1918  		&URN{
  1919  			prefix: "urn",
  1920  			ID:     "signs",
  1921  			SS:     "()+,-.:=@;$_!*alnum123456789",
  1922  		},
  1923  		"urn:signs:()+,-.:=@;$_!*alnum123456789",
  1924  		"urn:signs:()+,-.:=@;$_!*alnum123456789",
  1925  		"",
  1926  		false,
  1927  	},
  1928  	{
  1929  		[]byte("URN:signs:()+,-.:=@;$_!*alnum123456789"),
  1930  		true,
  1931  		&URN{
  1932  			prefix: "URN",
  1933  			ID:     "signs",
  1934  			SS:     "()+,-.:=@;$_!*alnum123456789",
  1935  		},
  1936  		"URN:signs:()+,-.:=@;$_!*alnum123456789",
  1937  		"urn:signs:()+,-.:=@;$_!*alnum123456789",
  1938  		"",
  1939  		false,
  1940  	},
  1941  	{
  1942  		[]byte("urn:urn-7:informal"),
  1943  		true,
  1944  		&URN{
  1945  			prefix: "urn",
  1946  			ID:     "urn-7",
  1947  			SS:     "informal",
  1948  		},
  1949  		"urn:urn-7:informal",
  1950  		"urn:urn-7:informal",
  1951  		"",
  1952  		false,
  1953  	}, // NID containing informal URN namespace
  1954  	{
  1955  		[]byte("urn:ex:ex?+a?"),
  1956  		true,
  1957  		&URN{
  1958  			prefix:     "urn",
  1959  			ID:         "ex",
  1960  			SS:         "ex",
  1961  			rComponent: "a?",
  1962  		},
  1963  		"urn:ex:ex?+a?",
  1964  		"urn:ex:ex",
  1965  		"",
  1966  		false,
  1967  	}, // r_component containing ? not immediately followed by + or =
  1968  
  1969  	// no
  1970  	{
  1971  		[]byte("urn:urn-0:nss"),
  1972  		false,
  1973  		nil,
  1974  		"",
  1975  		"",
  1976  		fmt.Sprintf(err8141InformalID, 7),
  1977  		false,
  1978  	}, // NID must not start the a wrong informal URN namespace
  1979  	{
  1980  		[]byte("urn:urn-s:nss"),
  1981  		false,
  1982  		nil,
  1983  		"",
  1984  		"",
  1985  		fmt.Sprintf(err8141InformalID, 7),
  1986  		false,
  1987  	}, // NID must not start the "urn-" prefix followed by a string
  1988  	{
  1989  		[]byte("urn:example:а123,z456"),
  1990  		false,
  1991  		nil,
  1992  		"",
  1993  		"",
  1994  		fmt.Sprintf(err8141SpecificString, 12),
  1995  		false,
  1996  	}, // CYRILLIC а (U+0430)
  1997  	{
  1998  		[]byte("URN:-leading:w"),
  1999  		false,
  2000  		nil,
  2001  		"",
  2002  		"",
  2003  		fmt.Sprintf(err8141Identifier, 4),
  2004  		false,
  2005  	}, // leading - not allowed in the NID
  2006  	{
  2007  		[]byte("URN:trailing-:w"),
  2008  		false,
  2009  		nil,
  2010  		"",
  2011  		"",
  2012  		fmt.Sprintf(err8141Identifier, 13),
  2013  		false,
  2014  	}, // trailing - not allowed in the NID
  2015  	{
  2016  		[]byte("urn:a:nss"),
  2017  		false,
  2018  		nil,
  2019  		"",
  2020  		"",
  2021  		fmt.Sprintf(err8141Identifier, 5),
  2022  		false,
  2023  	}, // NID at least 2 characters
  2024  	{
  2025  		[]byte("urn:1:nss"),
  2026  		false,
  2027  		nil,
  2028  		"",
  2029  		"",
  2030  		fmt.Sprintf(err8141Identifier, 5),
  2031  		false,
  2032  	}, // NID at least 2 characters
  2033  	{
  2034  		[]byte("urn:yz-:nss"),
  2035  		false,
  2036  		nil,
  2037  		"",
  2038  		"",
  2039  		fmt.Sprintf(err8141Identifier, 7),
  2040  		false,
  2041  	}, // NID must not start with 2 characters followerd by a dash
  2042  	{
  2043  		[]byte("urn:9x-:nss"),
  2044  		false,
  2045  		nil,
  2046  		"",
  2047  		"",
  2048  		fmt.Sprintf(err8141Identifier, 7),
  2049  		false,
  2050  	}, // NID must not start with 2 characters followerd by a dash
  2051  	{
  2052  		[]byte("urn:X-:nss"),
  2053  		false,
  2054  		nil,
  2055  		"",
  2056  		"",
  2057  		fmt.Sprintf(err8141Identifier, 6),
  2058  		false,
  2059  	}, // NID must not start with experimental URN namespace of RFC3406
  2060  	{
  2061  		[]byte("urn:xn--:nss"),
  2062  		false,
  2063  		nil,
  2064  		"",
  2065  		"",
  2066  		fmt.Sprintf(err8141Identifier, 8),
  2067  		false,
  2068  	}, // NID must not start with "xn" followed by 2 dashes
  2069  	{
  2070  		[]byte("urn:ss--:nss"),
  2071  		false,
  2072  		nil,
  2073  		"",
  2074  		"",
  2075  		fmt.Sprintf(err8141Identifier, 8),
  2076  		false,
  2077  	}, // NID must not start with 2 chars followed by 2 dashes
  2078  	{
  2079  		[]byte("urn:1E--:nss"),
  2080  		false,
  2081  		nil,
  2082  		"",
  2083  		"",
  2084  		fmt.Sprintf(err8141Identifier, 8),
  2085  		false,
  2086  	}, // NID must not start with 2 chars followed by 2 dashes
  2087  	{
  2088  		[]byte("urn:ex:ex?+a?+"),
  2089  		false,
  2090  		nil,
  2091  		"",
  2092  		"",
  2093  		fmt.Sprintf(err8141RComponentStart, 14),
  2094  		false,
  2095  	}, // r_component containing ?+
  2096  	{
  2097  		[]byte("urn:ex:ex?+"),
  2098  		false,
  2099  		nil,
  2100  		"",
  2101  		"",
  2102  		fmt.Sprintf(err8141MalformedRComp, 11),
  2103  		false,
  2104  	}, // empty r_component
  2105  	{
  2106  		[]byte("urn:ex:ex?=a?="),
  2107  		false,
  2108  		nil,
  2109  		"",
  2110  		"",
  2111  		fmt.Sprintf(err8141QComponentStart, 14),
  2112  		false,
  2113  	}, // q_component containing ?=
  2114  	{
  2115  		[]byte("urn:example:CamelCase1/406/47452/2?="),
  2116  		false,
  2117  		nil,
  2118  		"",
  2119  		"",
  2120  		fmt.Sprintf(err8141MalformedQComp, 36),
  2121  		false,
  2122  	}, // empty q_component
  2123  	{
  2124  		[]byte("urn:ex:ex?+rcomponent?+rcomponent?=qcomponent"),
  2125  		false,
  2126  		nil,
  2127  		"",
  2128  		"",
  2129  		fmt.Sprintf(err8141RComponentStart, 23),
  2130  		false,
  2131  	}, // r_component containing ?+ followed by q_component
  2132  	{
  2133  		[]byte("urn:ex:ex?+rcomponent?+rcomponent?="),
  2134  		false,
  2135  		nil,
  2136  		"",
  2137  		"",
  2138  		fmt.Sprintf(err8141RComponentStart, 23),
  2139  		false,
  2140  	}, // r_component containing ?+ followed by empty q_component
  2141  	{
  2142  		[]byte("urn:ex:ex?+rcomponent?=qcomponent?=q"),
  2143  		false,
  2144  		nil,
  2145  		"",
  2146  		"",
  2147  		fmt.Sprintf(err8141QComponentStart, 35),
  2148  		false,
  2149  	}, // r_component followed by q_component containing ?+
  2150  	{
  2151  		[]byte("urn:ex:ex?+?=q"),
  2152  		false,
  2153  		nil,
  2154  		"",
  2155  		"",
  2156  		fmt.Sprintf(err8141MalformedRComp, 12),
  2157  		false,
  2158  	}, // empty r_component followed by q_component
  2159  	{
  2160  		[]byte("urn:ex:ex?+/"),
  2161  		false,
  2162  		nil,
  2163  		"",
  2164  		"",
  2165  		fmt.Sprintf(err8141MalformedRComp, 11),
  2166  		false,
  2167  	}, // r_component starting with /
  2168  	{
  2169  		[]byte("urn:ex:ex?+?"),
  2170  		false,
  2171  		nil,
  2172  		"",
  2173  		"",
  2174  		fmt.Sprintf(err8141MalformedRComp, 12),
  2175  		false,
  2176  	}, // r_component starting with /
  2177  	{
  2178  		[]byte("urn:ex:ex?=/"),
  2179  		false,
  2180  		nil,
  2181  		"",
  2182  		"",
  2183  		fmt.Sprintf(err8141MalformedQComp, 11),
  2184  		false,
  2185  	}, // q_component starting with /
  2186  	{
  2187  		[]byte("urn:ex:ex?=?"),
  2188  		false,
  2189  		nil,
  2190  		"",
  2191  		"",
  2192  		fmt.Sprintf(err8141MalformedQComp, 12),
  2193  		false,
  2194  	}, // q_component starting with /
  2195  	{
  2196  		[]byte("urn:mm:/"),
  2197  		false,
  2198  		nil,
  2199  		"",
  2200  		"",
  2201  		fmt.Sprintf(err8141SpecificString, 7),
  2202  		false,
  2203  	}, // / not in first position in the NSS part
  2204  	{
  2205  		[]byte("urn:mm:?"),
  2206  		false,
  2207  		nil,
  2208  		"",
  2209  		"",
  2210  		fmt.Sprintf(err8141SpecificString, 7),
  2211  		false,
  2212  	}, // ? not in first position in the NSS part
  2213  	{
  2214  		[]byte("urn:123456789-1234567890-abcdefghilmn:o"),
  2215  		false,
  2216  		nil,
  2217  		"",
  2218  		"",
  2219  		fmt.Sprintf(err8141Identifier, 36),
  2220  		false,
  2221  	}, // too long NID
  2222  	{
  2223  		[]byte("urn:"),
  2224  		false,
  2225  		nil,
  2226  		"",
  2227  		"",
  2228  		fmt.Sprintf(err8141Identifier, 4),
  2229  		false,
  2230  	},
  2231  	{
  2232  		[]byte("urn::"),
  2233  		false,
  2234  		nil,
  2235  		"",
  2236  		"",
  2237  		fmt.Sprintf(err8141Identifier, 4),
  2238  		false,
  2239  	},
  2240  	{
  2241  		[]byte("urn:aa:"),
  2242  		false,
  2243  		nil,
  2244  		"",
  2245  		"",
  2246  		fmt.Sprintf(err8141SpecificString, 7),
  2247  		false,
  2248  	},
  2249  	{
  2250  		[]byte("urn:a"),
  2251  		false,
  2252  		nil,
  2253  		"",
  2254  		"",
  2255  		fmt.Sprintf(err8141Identifier, 5),
  2256  		false,
  2257  	},
  2258  	{
  2259  		[]byte("urn:ex:ex?=%"),
  2260  		false,
  2261  		nil,
  2262  		"",
  2263  		"",
  2264  		fmt.Sprintf(errHex, 12),
  2265  		false,
  2266  	}, // q_component containing incomplete percent encoded chars
  2267  	{
  2268  		[]byte("urn:ex:ex?+%"),
  2269  		false,
  2270  		nil,
  2271  		"",
  2272  		"",
  2273  		fmt.Sprintf(errHex, 12),
  2274  		false,
  2275  	}, // r_component containing incomplete percent encoded chars
  2276  	{
  2277  		[]byte("urn:ex:ex?=something#%"),
  2278  		false,
  2279  		nil,
  2280  		"",
  2281  		"",
  2282  		fmt.Sprintf(errHex, 22),
  2283  		false,
  2284  	}, // fragment containing incomplete percent encoded chars
  2285  	{
  2286  		[]byte("urn:example%:test"),
  2287  		false,
  2288  		nil,
  2289  		"",
  2290  		"",
  2291  		fmt.Sprintf(err8141Identifier, 11),
  2292  		false,
  2293  	},
  2294  	{
  2295  		[]byte(`urn:"`),
  2296  		false,
  2297  		nil,
  2298  		"",
  2299  		"",
  2300  		fmt.Sprintf(err8141Identifier, 4),
  2301  		false,
  2302  	},
  2303  	{
  2304  		[]byte(`urn:a1{}`),
  2305  		false,
  2306  		nil,
  2307  		"",
  2308  		"",
  2309  		fmt.Sprintf(err8141Identifier, 6),
  2310  		false,
  2311  	},
  2312  	{
  2313  		[]byte(`u`),
  2314  		false,
  2315  		nil,
  2316  		"",
  2317  		"",
  2318  		fmt.Sprintf(errPrefix, 1),
  2319  		false,
  2320  	},
  2321  	{
  2322  		[]byte(`ur`),
  2323  		false,
  2324  		nil,
  2325  		"",
  2326  		"",
  2327  		fmt.Sprintf(errPrefix, 2),
  2328  		false,
  2329  	},
  2330  	{
  2331  		[]byte(`urn`),
  2332  		false,
  2333  		nil,
  2334  		"",
  2335  		"",
  2336  		fmt.Sprintf(errPrefix, 3),
  2337  		false,
  2338  	},
  2339  }
  2340  

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