package functions

import "testing"

func TestOnlyWhitespace(t *testing.T) {
	type args struct {
		word string
	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{"empty string", args{""}, true},
		{"whitespace", args{" "}, true},
		{"whitespaces", args{"   "}, true},
		{"whitespaces and tabs", args{"   \t"}, true},
		{"whitespaces and tabs and newlines", args{"   \t\n"}, true},
		{"whitespaces and tabs and newlines and non-breaking spaces", args{"   \t\n\u00A0"}, true},
		{"non-whitespace", args{"a"}, false},
		{"non-whitespaces", args{"abc"}, false},
		{"non-whitespaces and tabs", args{"abc\t"}, false},
		{"non-whitespaces and tabs and newlines", args{"abc\t\n"}, false},
		{"non-whitespaces and tabs and newlines and non-breaking spaces", args{"abc\t\n\u00A0"}, false},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := OnlyWhitespace(tt.args.word); got != tt.want {
				t.Errorf("OnlyWhitespace() = %v, want %v", got, tt.want)
			}
		})
	}
}