Source file src/go/token/token_test.go

Documentation: go/token

		 1  // Copyright 2019 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 token
		 6  
		 7  import "testing"
		 8  
		 9  func TestIsIdentifier(t *testing.T) {
		10  	tests := []struct {
		11  		name string
		12  		in	 string
		13  		want bool
		14  	}{
		15  		{"Empty", "", false},
		16  		{"Space", " ", false},
		17  		{"SpaceSuffix", "foo ", false},
		18  		{"Number", "123", false},
		19  		{"Keyword", "func", false},
		20  
		21  		{"LettersASCII", "foo", true},
		22  		{"MixedASCII", "_bar123", true},
		23  		{"UppercaseKeyword", "Func", true},
		24  		{"LettersUnicode", "fóö", true},
		25  	}
		26  	for _, test := range tests {
		27  		t.Run(test.name, func(t *testing.T) {
		28  			if got := IsIdentifier(test.in); got != test.want {
		29  				t.Fatalf("IsIdentifier(%q) = %t, want %v", test.in, got, test.want)
		30  			}
		31  		})
		32  	}
		33  }
		34  

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