golang.org/x/text@v0.14.0/internal/ucd/ucd_test.go (about)

     1  package ucd
     2  
     3  import (
     4  	"strings"
     5  	"testing"
     6  )
     7  
     8  const file = `
     9  # Comments should be skipped
    10  # rune;  bool;  uint; int; float; runes; # Y
    11  0..0005; Y;     0;    2;      -5.25 ;  0 1 2 3 4 5;
    12  6..0007; Yes  ; 6;    1;     -4.25  ;  0006 0007;
    13  8;       T ;    8 ;   0 ;-3.25  ;;# T
    14  9;       True  ;9  ;  -1;-2.25  ;  0009;
    15  
    16  # more comments to be ignored
    17  @Part0  
    18  
    19  A;       N;   10  ;   -2;  -1.25; ;# N
    20  B;       No;   11 ;   -3;  -0.25; 
    21  C;        False;12;   -4;   0.75;
    22  D;        ;13;-5;1.75;
    23  
    24  @Part1   # Another part. 
    25  # We test part comments get removed by not commenting the next line.
    26  E..10FFFF; F;   14  ; -6;   2.75;
    27  `
    28  
    29  var want = []struct {
    30  	start, end rune
    31  }{
    32  	{0x00, 0x05},
    33  	{0x06, 0x07},
    34  	{0x08, 0x08},
    35  	{0x09, 0x09},
    36  	{0x0A, 0x0A},
    37  	{0x0B, 0x0B},
    38  	{0x0C, 0x0C},
    39  	{0x0D, 0x0D},
    40  	{0x0E, 0x10FFFF},
    41  }
    42  
    43  func TestGetters(t *testing.T) {
    44  	parts := [][2]string{
    45  		{"Part0", ""},
    46  		{"Part1", "Another part."},
    47  	}
    48  	handler := func(p *Parser) {
    49  		if len(parts) == 0 {
    50  			t.Error("Part handler invoked too many times.")
    51  			return
    52  		}
    53  		want := parts[0]
    54  		parts = parts[1:]
    55  		if got0, got1 := p.String(0), p.Comment(); got0 != want[0] || got1 != want[1] {
    56  			t.Errorf(`part: got %q, %q; want %q"`, got0, got1, want)
    57  		}
    58  	}
    59  
    60  	p := New(strings.NewReader(file), KeepRanges, Part(handler))
    61  	for i := 0; p.Next(); i++ {
    62  		start, end := p.Range(0)
    63  		w := want[i]
    64  		if start != w.start || end != w.end {
    65  			t.Fatalf("%d:Range(0); got %#x..%#x; want %#x..%#x", i, start, end, w.start, w.end)
    66  		}
    67  		if w.start == w.end && p.Rune(0) != w.start {
    68  			t.Errorf("%d:Range(0).start: got %U; want %U", i, p.Rune(0), w.start)
    69  		}
    70  		if got, want := p.Bool(1), w.start <= 9; got != want {
    71  			t.Errorf("%d:Bool(1): got %v; want %v", i, got, want)
    72  		}
    73  		if got := p.Rune(4); got != 0 || p.Err() == nil {
    74  			t.Errorf("%d:Rune(%q): got no error; want error", i, p.String(1))
    75  		}
    76  		p.err = nil
    77  		if got := p.Uint(2); rune(got) != start {
    78  			t.Errorf("%d:Uint(2): got %v; want %v", i, got, start)
    79  		}
    80  		if got, want := p.Int(3), 2-i; got != want {
    81  			t.Errorf("%d:Int(3): got %v; want %v", i, got, want)
    82  		}
    83  		if got, want := p.Float(4), -5.25+float64(i); got != want {
    84  			t.Errorf("%d:Int(3): got %v; want %v", i, got, want)
    85  		}
    86  		if got := p.Runes(5); got == nil {
    87  			if p.String(5) != "" {
    88  				t.Errorf("%d:Runes(5): expected non-empty list", i)
    89  			}
    90  		} else {
    91  			if got[0] != start || got[len(got)-1] != end {
    92  				t.Errorf("%d:Runes(5): got %#x; want %#x..%#x", i, got, start, end)
    93  			}
    94  		}
    95  		if got := p.Comment(); got != "" && got != p.String(1) {
    96  			t.Errorf("%d:Comment(): got %v; want %v", i, got, p.String(1))
    97  		}
    98  	}
    99  	if err := p.Err(); err != nil {
   100  		t.Errorf("Parser error: %v", err)
   101  	}
   102  	if len(parts) != 0 {
   103  		t.Errorf("expected %d more invocations of part handler", len(parts))
   104  	}
   105  }