Source file src/unicode/utf8/utf8_test.go

Documentation: unicode/utf8

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package utf8_test
     6  
     7  import (
     8  	"bytes"
     9  	"testing"
    10  	"unicode"
    11  	. "unicode/utf8"
    12  )
    13  
    14  // Validate the constants redefined from unicode.
    15  func init() {
    16  	if MaxRune != unicode.MaxRune {
    17  		panic("utf8.MaxRune is wrong")
    18  	}
    19  	if RuneError != unicode.ReplacementChar {
    20  		panic("utf8.RuneError is wrong")
    21  	}
    22  }
    23  
    24  // Validate the constants redefined from unicode.
    25  func TestConstants(t *testing.T) {
    26  	if MaxRune != unicode.MaxRune {
    27  		t.Errorf("utf8.MaxRune is wrong: %x should be %x", MaxRune, unicode.MaxRune)
    28  	}
    29  	if RuneError != unicode.ReplacementChar {
    30  		t.Errorf("utf8.RuneError is wrong: %x should be %x", RuneError, unicode.ReplacementChar)
    31  	}
    32  }
    33  
    34  type Utf8Map struct {
    35  	r   rune
    36  	str string
    37  }
    38  
    39  var utf8map = []Utf8Map{
    40  	{0x0000, "\x00"},
    41  	{0x0001, "\x01"},
    42  	{0x007e, "\x7e"},
    43  	{0x007f, "\x7f"},
    44  	{0x0080, "\xc2\x80"},
    45  	{0x0081, "\xc2\x81"},
    46  	{0x00bf, "\xc2\xbf"},
    47  	{0x00c0, "\xc3\x80"},
    48  	{0x00c1, "\xc3\x81"},
    49  	{0x00c8, "\xc3\x88"},
    50  	{0x00d0, "\xc3\x90"},
    51  	{0x00e0, "\xc3\xa0"},
    52  	{0x00f0, "\xc3\xb0"},
    53  	{0x00f8, "\xc3\xb8"},
    54  	{0x00ff, "\xc3\xbf"},
    55  	{0x0100, "\xc4\x80"},
    56  	{0x07ff, "\xdf\xbf"},
    57  	{0x0400, "\xd0\x80"},
    58  	{0x0800, "\xe0\xa0\x80"},
    59  	{0x0801, "\xe0\xa0\x81"},
    60  	{0x1000, "\xe1\x80\x80"},
    61  	{0xd000, "\xed\x80\x80"},
    62  	{0xd7ff, "\xed\x9f\xbf"}, // last code point before surrogate half.
    63  	{0xe000, "\xee\x80\x80"}, // first code point after surrogate half.
    64  	{0xfffe, "\xef\xbf\xbe"},
    65  	{0xffff, "\xef\xbf\xbf"},
    66  	{0x10000, "\xf0\x90\x80\x80"},
    67  	{0x10001, "\xf0\x90\x80\x81"},
    68  	{0x40000, "\xf1\x80\x80\x80"},
    69  	{0x10fffe, "\xf4\x8f\xbf\xbe"},
    70  	{0x10ffff, "\xf4\x8f\xbf\xbf"},
    71  	{0xFFFD, "\xef\xbf\xbd"},
    72  }
    73  
    74  var surrogateMap = []Utf8Map{
    75  	{0xd800, "\xed\xa0\x80"}, // surrogate min decodes to (RuneError, 1)
    76  	{0xdfff, "\xed\xbf\xbf"}, // surrogate max decodes to (RuneError, 1)
    77  }
    78  
    79  var testStrings = []string{
    80  	"",
    81  	"abcd",
    82  	"☺☻☹",
    83  	"日a本b語ç日ð本Ê語þ日¥本¼語i日©",
    84  	"日a本b語ç日ð本Ê語þ日¥本¼語i日©日a本b語ç日ð本Ê語þ日¥本¼語i日©日a本b語ç日ð本Ê語þ日¥本¼語i日©",
    85  	"\x80\x80\x80\x80",
    86  }
    87  
    88  func TestFullRune(t *testing.T) {
    89  	for _, m := range utf8map {
    90  		b := []byte(m.str)
    91  		if !FullRune(b) {
    92  			t.Errorf("FullRune(%q) (%U) = false, want true", b, m.r)
    93  		}
    94  		s := m.str
    95  		if !FullRuneInString(s) {
    96  			t.Errorf("FullRuneInString(%q) (%U) = false, want true", s, m.r)
    97  		}
    98  		b1 := b[0 : len(b)-1]
    99  		if FullRune(b1) {
   100  			t.Errorf("FullRune(%q) = true, want false", b1)
   101  		}
   102  		s1 := string(b1)
   103  		if FullRuneInString(s1) {
   104  			t.Errorf("FullRune(%q) = true, want false", s1)
   105  		}
   106  	}
   107  	for _, s := range []string{"\xc0", "\xc1"} {
   108  		b := []byte(s)
   109  		if !FullRune(b) {
   110  			t.Errorf("FullRune(%q) = false, want true", s)
   111  		}
   112  		if !FullRuneInString(s) {
   113  			t.Errorf("FullRuneInString(%q) = false, want true", s)
   114  		}
   115  	}
   116  }
   117  
   118  func TestEncodeRune(t *testing.T) {
   119  	for _, m := range utf8map {
   120  		b := []byte(m.str)
   121  		var buf [10]byte
   122  		n := EncodeRune(buf[0:], m.r)
   123  		b1 := buf[0:n]
   124  		if !bytes.Equal(b, b1) {
   125  			t.Errorf("EncodeRune(%#04x) = %q want %q", m.r, b1, b)
   126  		}
   127  	}
   128  }
   129  
   130  func TestDecodeRune(t *testing.T) {
   131  	for _, m := range utf8map {
   132  		b := []byte(m.str)
   133  		r, size := DecodeRune(b)
   134  		if r != m.r || size != len(b) {
   135  			t.Errorf("DecodeRune(%q) = %#04x, %d want %#04x, %d", b, r, size, m.r, len(b))
   136  		}
   137  		s := m.str
   138  		r, size = DecodeRuneInString(s)
   139  		if r != m.r || size != len(b) {
   140  			t.Errorf("DecodeRuneInString(%q) = %#04x, %d want %#04x, %d", s, r, size, m.r, len(b))
   141  		}
   142  
   143  		// there's an extra byte that bytes left behind - make sure trailing byte works
   144  		r, size = DecodeRune(b[0:cap(b)])
   145  		if r != m.r || size != len(b) {
   146  			t.Errorf("DecodeRune(%q) = %#04x, %d want %#04x, %d", b, r, size, m.r, len(b))
   147  		}
   148  		s = m.str + "\x00"
   149  		r, size = DecodeRuneInString(s)
   150  		if r != m.r || size != len(b) {
   151  			t.Errorf("DecodeRuneInString(%q) = %#04x, %d want %#04x, %d", s, r, size, m.r, len(b))
   152  		}
   153  
   154  		// make sure missing bytes fail
   155  		wantsize := 1
   156  		if wantsize >= len(b) {
   157  			wantsize = 0
   158  		}
   159  		r, size = DecodeRune(b[0 : len(b)-1])
   160  		if r != RuneError || size != wantsize {
   161  			t.Errorf("DecodeRune(%q) = %#04x, %d want %#04x, %d", b[0:len(b)-1], r, size, RuneError, wantsize)
   162  		}
   163  		s = m.str[0 : len(m.str)-1]
   164  		r, size = DecodeRuneInString(s)
   165  		if r != RuneError || size != wantsize {
   166  			t.Errorf("DecodeRuneInString(%q) = %#04x, %d want %#04x, %d", s, r, size, RuneError, wantsize)
   167  		}
   168  
   169  		// make sure bad sequences fail
   170  		if len(b) == 1 {
   171  			b[0] = 0x80
   172  		} else {
   173  			b[len(b)-1] = 0x7F
   174  		}
   175  		r, size = DecodeRune(b)
   176  		if r != RuneError || size != 1 {
   177  			t.Errorf("DecodeRune(%q) = %#04x, %d want %#04x, %d", b, r, size, RuneError, 1)
   178  		}
   179  		s = string(b)
   180  		r, size = DecodeRuneInString(s)
   181  		if r != RuneError || size != 1 {
   182  			t.Errorf("DecodeRuneInString(%q) = %#04x, %d want %#04x, %d", s, r, size, RuneError, 1)
   183  		}
   184  
   185  	}
   186  }
   187  
   188  func TestDecodeSurrogateRune(t *testing.T) {
   189  	for _, m := range surrogateMap {
   190  		b := []byte(m.str)
   191  		r, size := DecodeRune(b)
   192  		if r != RuneError || size != 1 {
   193  			t.Errorf("DecodeRune(%q) = %x, %d want %x, %d", b, r, size, RuneError, 1)
   194  		}
   195  		s := m.str
   196  		r, size = DecodeRuneInString(s)
   197  		if r != RuneError || size != 1 {
   198  			t.Errorf("DecodeRuneInString(%q) = %x, %d want %x, %d", b, r, size, RuneError, 1)
   199  		}
   200  	}
   201  }
   202  
   203  // Check that DecodeRune and DecodeLastRune correspond to
   204  // the equivalent range loop.
   205  func TestSequencing(t *testing.T) {
   206  	for _, ts := range testStrings {
   207  		for _, m := range utf8map {
   208  			for _, s := range []string{ts + m.str, m.str + ts, ts + m.str + ts} {
   209  				testSequence(t, s)
   210  			}
   211  		}
   212  	}
   213  }
   214  
   215  func runtimeRuneCount(s string) int {
   216  	return len([]rune(s)) // Replaced by gc with call to runtime.countrunes(s).
   217  }
   218  
   219  // Check that a range loop, len([]rune(string)) optimization and
   220  // []rune conversions visit the same runes.
   221  // Not really a test of this package, but the assumption is used here and
   222  // it's good to verify.
   223  func TestRuntimeConversion(t *testing.T) {
   224  	for _, ts := range testStrings {
   225  		count := RuneCountInString(ts)
   226  		if n := runtimeRuneCount(ts); n != count {
   227  			t.Errorf("%q: len([]rune()) counted %d runes; got %d from RuneCountInString", ts, n, count)
   228  			break
   229  		}
   230  
   231  		runes := []rune(ts)
   232  		if n := len(runes); n != count {
   233  			t.Errorf("%q: []rune() has length %d; got %d from RuneCountInString", ts, n, count)
   234  			break
   235  		}
   236  		i := 0
   237  		for _, r := range ts {
   238  			if r != runes[i] {
   239  				t.Errorf("%q[%d]: expected %c (%U); got %c (%U)", ts, i, runes[i], runes[i], r, r)
   240  			}
   241  			i++
   242  		}
   243  	}
   244  }
   245  
   246  var invalidSequenceTests = []string{
   247  	"\xed\xa0\x80\x80", // surrogate min
   248  	"\xed\xbf\xbf\x80", // surrogate max
   249  
   250  	// xx
   251  	"\x91\x80\x80\x80",
   252  
   253  	// s1
   254  	"\xC2\x7F\x80\x80",
   255  	"\xC2\xC0\x80\x80",
   256  	"\xDF\x7F\x80\x80",
   257  	"\xDF\xC0\x80\x80",
   258  
   259  	// s2
   260  	"\xE0\x9F\xBF\x80",
   261  	"\xE0\xA0\x7F\x80",
   262  	"\xE0\xBF\xC0\x80",
   263  	"\xE0\xC0\x80\x80",
   264  
   265  	// s3
   266  	"\xE1\x7F\xBF\x80",
   267  	"\xE1\x80\x7F\x80",
   268  	"\xE1\xBF\xC0\x80",
   269  	"\xE1\xC0\x80\x80",
   270  
   271  	//s4
   272  	"\xED\x7F\xBF\x80",
   273  	"\xED\x80\x7F\x80",
   274  	"\xED\x9F\xC0\x80",
   275  	"\xED\xA0\x80\x80",
   276  
   277  	// s5
   278  	"\xF0\x8F\xBF\xBF",
   279  	"\xF0\x90\x7F\xBF",
   280  	"\xF0\x90\x80\x7F",
   281  	"\xF0\xBF\xBF\xC0",
   282  	"\xF0\xBF\xC0\x80",
   283  	"\xF0\xC0\x80\x80",
   284  
   285  	// s6
   286  	"\xF1\x7F\xBF\xBF",
   287  	"\xF1\x80\x7F\xBF",
   288  	"\xF1\x80\x80\x7F",
   289  	"\xF1\xBF\xBF\xC0",
   290  	"\xF1\xBF\xC0\x80",
   291  	"\xF1\xC0\x80\x80",
   292  
   293  	// s7
   294  	"\xF4\x7F\xBF\xBF",
   295  	"\xF4\x80\x7F\xBF",
   296  	"\xF4\x80\x80\x7F",
   297  	"\xF4\x8F\xBF\xC0",
   298  	"\xF4\x8F\xC0\x80",
   299  	"\xF4\x90\x80\x80",
   300  }
   301  
   302  func runtimeDecodeRune(s string) rune {
   303  	for _, r := range s {
   304  		return r
   305  	}
   306  	return -1
   307  }
   308  
   309  func TestDecodeInvalidSequence(t *testing.T) {
   310  	for _, s := range invalidSequenceTests {
   311  		r1, _ := DecodeRune([]byte(s))
   312  		if want := RuneError; r1 != want {
   313  			t.Errorf("DecodeRune(%#x) = %#04x, want %#04x", s, r1, want)
   314  			return
   315  		}
   316  		r2, _ := DecodeRuneInString(s)
   317  		if want := RuneError; r2 != want {
   318  			t.Errorf("DecodeRuneInString(%q) = %#04x, want %#04x", s, r2, want)
   319  			return
   320  		}
   321  		if r1 != r2 {
   322  			t.Errorf("DecodeRune(%#x) = %#04x mismatch with DecodeRuneInString(%q) = %#04x", s, r1, s, r2)
   323  			return
   324  		}
   325  		r3 := runtimeDecodeRune(s)
   326  		if r2 != r3 {
   327  			t.Errorf("DecodeRuneInString(%q) = %#04x mismatch with runtime.decoderune(%q) = %#04x", s, r2, s, r3)
   328  			return
   329  		}
   330  	}
   331  }
   332  
   333  func testSequence(t *testing.T, s string) {
   334  	type info struct {
   335  		index int
   336  		r     rune
   337  	}
   338  	index := make([]info, len(s))
   339  	b := []byte(s)
   340  	si := 0
   341  	j := 0
   342  	for i, r := range s {
   343  		if si != i {
   344  			t.Errorf("Sequence(%q) mismatched index %d, want %d", s, si, i)
   345  			return
   346  		}
   347  		index[j] = info{i, r}
   348  		j++
   349  		r1, size1 := DecodeRune(b[i:])
   350  		if r != r1 {
   351  			t.Errorf("DecodeRune(%q) = %#04x, want %#04x", s[i:], r1, r)
   352  			return
   353  		}
   354  		r2, size2 := DecodeRuneInString(s[i:])
   355  		if r != r2 {
   356  			t.Errorf("DecodeRuneInString(%q) = %#04x, want %#04x", s[i:], r2, r)
   357  			return
   358  		}
   359  		if size1 != size2 {
   360  			t.Errorf("DecodeRune/DecodeRuneInString(%q) size mismatch %d/%d", s[i:], size1, size2)
   361  			return
   362  		}
   363  		si += size1
   364  	}
   365  	j--
   366  	for si = len(s); si > 0; {
   367  		r1, size1 := DecodeLastRune(b[0:si])
   368  		r2, size2 := DecodeLastRuneInString(s[0:si])
   369  		if size1 != size2 {
   370  			t.Errorf("DecodeLastRune/DecodeLastRuneInString(%q, %d) size mismatch %d/%d", s, si, size1, size2)
   371  			return
   372  		}
   373  		if r1 != index[j].r {
   374  			t.Errorf("DecodeLastRune(%q, %d) = %#04x, want %#04x", s, si, r1, index[j].r)
   375  			return
   376  		}
   377  		if r2 != index[j].r {
   378  			t.Errorf("DecodeLastRuneInString(%q, %d) = %#04x, want %#04x", s, si, r2, index[j].r)
   379  			return
   380  		}
   381  		si -= size1
   382  		if si != index[j].index {
   383  			t.Errorf("DecodeLastRune(%q) index mismatch at %d, want %d", s, si, index[j].index)
   384  			return
   385  		}
   386  		j--
   387  	}
   388  	if si != 0 {
   389  		t.Errorf("DecodeLastRune(%q) finished at %d, not 0", s, si)
   390  	}
   391  }
   392  
   393  // Check that negative runes encode as U+FFFD.
   394  func TestNegativeRune(t *testing.T) {
   395  	errorbuf := make([]byte, UTFMax)
   396  	errorbuf = errorbuf[0:EncodeRune(errorbuf, RuneError)]
   397  	buf := make([]byte, UTFMax)
   398  	buf = buf[0:EncodeRune(buf, -1)]
   399  	if !bytes.Equal(buf, errorbuf) {
   400  		t.Errorf("incorrect encoding [% x] for -1; expected [% x]", buf, errorbuf)
   401  	}
   402  }
   403  
   404  type RuneCountTest struct {
   405  	in  string
   406  	out int
   407  }
   408  
   409  var runecounttests = []RuneCountTest{
   410  	{"abcd", 4},
   411  	{"☺☻☹", 3},
   412  	{"1,2,3,4", 7},
   413  	{"\xe2\x00", 2},
   414  	{"\xe2\x80", 2},
   415  	{"a\xe2\x80", 3},
   416  }
   417  
   418  func TestRuneCount(t *testing.T) {
   419  	for _, tt := range runecounttests {
   420  		if out := RuneCountInString(tt.in); out != tt.out {
   421  			t.Errorf("RuneCountInString(%q) = %d, want %d", tt.in, out, tt.out)
   422  		}
   423  		if out := RuneCount([]byte(tt.in)); out != tt.out {
   424  			t.Errorf("RuneCount(%q) = %d, want %d", tt.in, out, tt.out)
   425  		}
   426  	}
   427  }
   428  
   429  type RuneLenTest struct {
   430  	r    rune
   431  	size int
   432  }
   433  
   434  var runelentests = []RuneLenTest{
   435  	{0, 1},
   436  	{'e', 1},
   437  	{'é', 2},
   438  	{'☺', 3},
   439  	{RuneError, 3},
   440  	{MaxRune, 4},
   441  	{0xD800, -1},
   442  	{0xDFFF, -1},
   443  	{MaxRune + 1, -1},
   444  	{-1, -1},
   445  }
   446  
   447  func TestRuneLen(t *testing.T) {
   448  	for _, tt := range runelentests {
   449  		if size := RuneLen(tt.r); size != tt.size {
   450  			t.Errorf("RuneLen(%#U) = %d, want %d", tt.r, size, tt.size)
   451  		}
   452  	}
   453  }
   454  
   455  type ValidTest struct {
   456  	in  string
   457  	out bool
   458  }
   459  
   460  var validTests = []ValidTest{
   461  	{"", true},
   462  	{"a", true},
   463  	{"abc", true},
   464  	{"Ж", true},
   465  	{"ЖЖ", true},
   466  	{"брэд-ЛГТМ", true},
   467  	{"☺☻☹", true},
   468  	{"aa\xe2", false},
   469  	{string([]byte{66, 250}), false},
   470  	{string([]byte{66, 250, 67}), false},
   471  	{"a\uFFFDb", true},
   472  	{string("\xF4\x8F\xBF\xBF"), true},      // U+10FFFF
   473  	{string("\xF4\x90\x80\x80"), false},     // U+10FFFF+1; out of range
   474  	{string("\xF7\xBF\xBF\xBF"), false},     // 0x1FFFFF; out of range
   475  	{string("\xFB\xBF\xBF\xBF\xBF"), false}, // 0x3FFFFFF; out of range
   476  	{string("\xc0\x80"), false},             // U+0000 encoded in two bytes: incorrect
   477  	{string("\xed\xa0\x80"), false},         // U+D800 high surrogate (sic)
   478  	{string("\xed\xbf\xbf"), false},         // U+DFFF low surrogate (sic)
   479  }
   480  
   481  func TestValid(t *testing.T) {
   482  	for _, tt := range validTests {
   483  		if Valid([]byte(tt.in)) != tt.out {
   484  			t.Errorf("Valid(%q) = %v; want %v", tt.in, !tt.out, tt.out)
   485  		}
   486  		if ValidString(tt.in) != tt.out {
   487  			t.Errorf("ValidString(%q) = %v; want %v", tt.in, !tt.out, tt.out)
   488  		}
   489  	}
   490  }
   491  
   492  type ValidRuneTest struct {
   493  	r  rune
   494  	ok bool
   495  }
   496  
   497  var validrunetests = []ValidRuneTest{
   498  	{0, true},
   499  	{'e', true},
   500  	{'é', true},
   501  	{'☺', true},
   502  	{RuneError, true},
   503  	{MaxRune, true},
   504  	{0xD7FF, true},
   505  	{0xD800, false},
   506  	{0xDFFF, false},
   507  	{0xE000, true},
   508  	{MaxRune + 1, false},
   509  	{-1, false},
   510  }
   511  
   512  func TestValidRune(t *testing.T) {
   513  	for _, tt := range validrunetests {
   514  		if ok := ValidRune(tt.r); ok != tt.ok {
   515  			t.Errorf("ValidRune(%#U) = %t, want %t", tt.r, ok, tt.ok)
   516  		}
   517  	}
   518  }
   519  
   520  func BenchmarkRuneCountTenASCIIChars(b *testing.B) {
   521  	s := []byte("0123456789")
   522  	for i := 0; i < b.N; i++ {
   523  		RuneCount(s)
   524  	}
   525  }
   526  
   527  func BenchmarkRuneCountTenJapaneseChars(b *testing.B) {
   528  	s := []byte("日本語日本語日本語日")
   529  	for i := 0; i < b.N; i++ {
   530  		RuneCount(s)
   531  	}
   532  }
   533  
   534  func BenchmarkRuneCountInStringTenASCIIChars(b *testing.B) {
   535  	for i := 0; i < b.N; i++ {
   536  		RuneCountInString("0123456789")
   537  	}
   538  }
   539  
   540  func BenchmarkRuneCountInStringTenJapaneseChars(b *testing.B) {
   541  	for i := 0; i < b.N; i++ {
   542  		RuneCountInString("日本語日本語日本語日")
   543  	}
   544  }
   545  
   546  func BenchmarkValidTenASCIIChars(b *testing.B) {
   547  	s := []byte("0123456789")
   548  	for i := 0; i < b.N; i++ {
   549  		Valid(s)
   550  	}
   551  }
   552  
   553  func BenchmarkValidTenJapaneseChars(b *testing.B) {
   554  	s := []byte("日本語日本語日本語日")
   555  	for i := 0; i < b.N; i++ {
   556  		Valid(s)
   557  	}
   558  }
   559  
   560  func BenchmarkValidStringTenASCIIChars(b *testing.B) {
   561  	for i := 0; i < b.N; i++ {
   562  		ValidString("0123456789")
   563  	}
   564  }
   565  
   566  func BenchmarkValidStringTenJapaneseChars(b *testing.B) {
   567  	for i := 0; i < b.N; i++ {
   568  		ValidString("日本語日本語日本語日")
   569  	}
   570  }
   571  
   572  func BenchmarkEncodeASCIIRune(b *testing.B) {
   573  	buf := make([]byte, UTFMax)
   574  	for i := 0; i < b.N; i++ {
   575  		EncodeRune(buf, 'a')
   576  	}
   577  }
   578  
   579  func BenchmarkEncodeJapaneseRune(b *testing.B) {
   580  	buf := make([]byte, UTFMax)
   581  	for i := 0; i < b.N; i++ {
   582  		EncodeRune(buf, '本')
   583  	}
   584  }
   585  
   586  func BenchmarkDecodeASCIIRune(b *testing.B) {
   587  	a := []byte{'a'}
   588  	for i := 0; i < b.N; i++ {
   589  		DecodeRune(a)
   590  	}
   591  }
   592  
   593  func BenchmarkDecodeJapaneseRune(b *testing.B) {
   594  	nihon := []byte("本")
   595  	for i := 0; i < b.N; i++ {
   596  		DecodeRune(nihon)
   597  	}
   598  }
   599  
   600  // boolSink is used to reference the return value of benchmarked
   601  // functions to avoid dead code elimination.
   602  var boolSink bool
   603  
   604  func BenchmarkFullRune(b *testing.B) {
   605  	benchmarks := []struct {
   606  		name string
   607  		data []byte
   608  	}{
   609  		{"ASCII", []byte("a")},
   610  		{"Incomplete", []byte("\xf0\x90\x80")},
   611  		{"Japanese", []byte("本")},
   612  	}
   613  	for _, bm := range benchmarks {
   614  		b.Run(bm.name, func(b *testing.B) {
   615  			for i := 0; i < b.N; i++ {
   616  				boolSink = FullRune(bm.data)
   617  			}
   618  		})
   619  	}
   620  }
   621  

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