64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gce
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCalculateKernelReserved(t *testing.T) {
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type testCase struct {
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physicalMemory int64
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reservedMemory int64
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}
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testCases := []testCase{
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{
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physicalMemory: 256 * MiB,
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reservedMemory: 4*MiB + kernelReservedMemory,
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},
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{
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physicalMemory: 2 * GiB,
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reservedMemory: 32*MiB + kernelReservedMemory,
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},
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{
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physicalMemory: 3 * GiB,
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reservedMemory: 48*MiB + kernelReservedMemory,
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},
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{
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physicalMemory: 3.25 * GiB,
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reservedMemory: 52*MiB + kernelReservedMemory + swiotlbReservedMemory,
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},
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{
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physicalMemory: 4 * GiB,
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reservedMemory: 64*MiB + kernelReservedMemory + swiotlbReservedMemory,
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},
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{
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physicalMemory: 128 * GiB,
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reservedMemory: 2*GiB + kernelReservedMemory + swiotlbReservedMemory,
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},
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}
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for idx, tc := range testCases {
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t.Run(fmt.Sprintf("%v", idx), func(t *testing.T) {
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reserved := CalculateKernelReserved(tc.physicalMemory)
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assert.Equal(t, tc.reservedMemory, reserved)
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})
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}
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}
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