content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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 com.cloud.cpu;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertThrows;
  import static org.junit.Assert.assertTrue;
  
  import org.junit.Test;
  
  public class CPUTest {
      @Test
      public void testCPUArchGetType() {
          assertEquals("i686", CPU.CPUArch.x86.getType());
          assertEquals("x86_64", CPU.CPUArch.amd64.getType());
          assertEquals("aarch64", CPU.CPUArch.arm64.getType());
      }
  
      @Test
      public void testCPUArchGetBits() {
          assertEquals(32, CPU.CPUArch.x86.getBits());
          assertEquals(64, CPU.CPUArch.amd64.getBits());
          assertEquals(64, CPU.CPUArch.arm64.getBits());
      }
  
      @Test
      public void testCPUArchFromTypeWithValidValues() {
          assertEquals(CPU.CPUArch.x86, CPU.CPUArch.fromType("i686"));
          assertEquals(CPU.CPUArch.amd64, CPU.CPUArch.fromType("x86_64"));
          assertEquals(CPU.CPUArch.arm64, CPU.CPUArch.fromType("aarch64"));
      }
  
      @Test
      public void testCPUArchFromTypeWithDefaultForBlankOrNull() {
          assertEquals(CPU.CPUArch.amd64, CPU.CPUArch.fromType(""));
          assertEquals(CPU.CPUArch.amd64, CPU.CPUArch.fromType("   "));
          assertEquals(CPU.CPUArch.amd64, CPU.CPUArch.fromType(null));
      }
  
      @Test
      public void testCPUArchFromTypeWithInvalidValue() {
          Exception exception = assertThrows(IllegalArgumentException.class, () -> {
              CPU.CPUArch.fromType("unsupported");
          });
          assertTrue(exception.getMessage().contains("Unsupported arch type: unsupported"));
      }
  
      @Test
      public void testCPUArchGetTypesAsCSV() {
          String expectedCSV = "i686,x86_64,aarch64";
          assertEquals(expectedCSV, CPU.CPUArch.getTypesAsCSV());
      }
  }
  