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mirror of https://github.com/prometheus-community/windows_exporter.git synced 2025-04-18 19:24:05 +03:00
windows_exporter/internal/utils/counter_test.go
Jan-Otto Kröpke bf56e99ad2
chore: Update Copyright (#1981)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
2025-04-06 11:26:56 +02:00

58 lines
1.5 KiB
Go

// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2025 The Prometheus Authors
// 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.
//go:build windows
package utils_test
import (
"math"
"testing"
"github.com/prometheus-community/windows_exporter/internal/utils"
"github.com/stretchr/testify/require"
)
func TestCounter(t *testing.T) {
t.Parallel()
c := utils.NewCounter(0)
require.Equal(t, 0.0, c.Value()) //nolint:testifylint
c.AddValue(10)
require.Equal(t, 10.0, c.Value()) //nolint:testifylint
c.AddValue(50)
require.Equal(t, 50.0, c.Value()) //nolint:testifylint
c.AddValue(math.MaxUint32 - 10)
require.Equal(t, float64(math.MaxUint32)-10, c.Value()) //nolint:testifylint
c.AddValue(20)
require.Equal(t, float64(math.MaxUint32)+21, c.Value()) //nolint:testifylint
c.AddValue(40)
require.Equal(t, float64(math.MaxUint32)+41, c.Value()) //nolint:testifylint
c.AddValue(math.MaxUint32 - 10)
require.Equal(t, float64(math.MaxUint32)*2-9, c.Value()) //nolint:testifylint
}