util_test.go

//
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package main

import "testing"

func TestFormatNumber(t *testing.T) {
	for _, tt := range []struct {
		input uint64
		want  string
	}{
		{0, "0"},
		{1, "1"},
		{12, "12"},
		{123, "123"},
		{1234, "1,234"},
		{12345, "12,345"},
		{123456, "123,456"},
		{1234567, "1,234,567"},
		{1234567890, "1,234,567,890"},
	} {
		if got := formatNumber(tt.input); got != tt.want {
			t.Errorf("formatNumber(%d) = %s, but want = %s", tt.input, got, tt.want)
		}
	}
}