golang.org/x/text@v0.14.0/secure/precis/class_test.go (about)

     1  // Copyright 2015 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 precis
     6  
     7  import (
     8  	"testing"
     9  
    10  	"golang.org/x/text/runes"
    11  )
    12  
    13  // Compile-time regression test to ensure that Class is a Set
    14  var _ runes.Set = (*class)(nil)
    15  
    16  // Ensure that certain characters are (or are not) in the identifier class.
    17  func TestClassContains(t *testing.T) {
    18  	tests := []struct {
    19  		name       string
    20  		class      *class
    21  		allowed    []rune
    22  		disallowed []rune
    23  	}{
    24  		{
    25  			name:       "Identifier",
    26  			class:      identifier,
    27  			allowed:    []rune("Aa0\u0021\u007e\u00df\u3007"),
    28  			disallowed: []rune("\u2150\u2100\u2200\u3164\u2190\u2600\u303b\u1e9b"),
    29  		},
    30  		{
    31  			name:       "Freeform",
    32  			class:      freeform,
    33  			allowed:    []rune("Aa0\u0021\u007e\u00df\u3007 \u2150\u2100\u2200\u2190\u2600\u1e9b"),
    34  			disallowed: []rune("\u3164\u303b"),
    35  		},
    36  	}
    37  
    38  	for _, rt := range tests {
    39  		for _, r := range rt.allowed {
    40  			if !rt.class.Contains(r) {
    41  				t.Errorf("Class %s should contain %U", rt.name, r)
    42  			}
    43  		}
    44  		for _, r := range rt.disallowed {
    45  			if rt.class.Contains(r) {
    46  				t.Errorf("Class %s should not contain %U", rt.name, r)
    47  			}
    48  		}
    49  	}
    50  }