code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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 org.openqa.selenium;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  import static org.openqa.selenium.Architecture.ANY;
  import static org.openqa.selenium.Architecture.ARM;
  import static org.openqa.selenium.Architecture.X64;
  import static org.openqa.selenium.Architecture.X86;
  
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  
  @Tag("UnitTests")
  class ArchitectureTest {
  
    @Test
    void anyMatchesX86() {
      assertThat(ANY.is(X86)).isTrue();
    }
  
    @Test
    void anyMatchesX64() {
      assertThat(ANY.is(X64)).isTrue();
    }
  
    @Test
    void anyMatchesARM() {
      assertThat(ANY.is(ARM)).isTrue();
    }
  
    @Test
    void anyMatchesANY() {
      assertThat(ANY.is(ANY)).isTrue();
    }
  
    @Test
    void currentArchitecture() {
      Architecture current = Architecture.getCurrent();
      assertThat(current).isNotNull();
      assertThat(current.is(ANY)).isFalse();
    }
  
    @Test
    void determineArchI386() {
      assertThat(Architecture.extractFromSysProperty("i386").is(X86)).isTrue();
    }
  
    @Test
    void determineArchIA32() {
      assertThat(Architecture.extractFromSysProperty("ia32").is(X86)).isTrue();
    }
  
    @Test
    void determineArchI686() {
      assertThat(Architecture.extractFromSysProperty("i686").is(X86)).isTrue();
    }
  
    @Test
    void determineArchI486() {
      assertThat(Architecture.extractFromSysProperty("i486").is(X86)).isTrue();
    }
  
    @Test
    void determineArchI86() {
      assertThat(Architecture.extractFromSysProperty("i86").is(X86)).isTrue();
    }
  
    @Test
    void determineArchPentium() {
      assertThat(Architecture.extractFromSysProperty("pentium").is(X86)).isTrue();
    }
  
    @Test
    void determineArchPentiumPro() {
      assertThat(Architecture.extractFromSysProperty("pentium_pro").is(X86)).isTrue();
    }
  
    @Test
    void determineArchPentiumProMmx() {
      assertThat(Architecture.extractFromSysProperty("pentium_pro+mmx").is(X86)).isTrue();
    }
  
    @Test
    void determineArchPentiumMmx() {
      assertThat(Architecture.extractFromSysProperty("pentium+mmx").is(X86)).isTrue();
    }
  
    @Test
    void determineArchAMD64() {
      assertThat(Architecture.extractFromSysProperty("amd64").is(X64)).isTrue();
    }
  
    @Test
    void determineArchIA64() {
      assertThat(Architecture.extractFromSysProperty("ia64").is(X64)).isTrue();
    }
  
    @Test
    void determineArchARM() {
      assertThat(Architecture.extractFromSysProperty("arm").is(ARM)).isTrue();
    }
  
    @Test
    void determineArchEmpty() {
      assertThatExceptionOfType(UnsupportedOperationException.class)
          .isThrownBy(() -> Architecture.extractFromSysProperty(""))
          .withMessageContaining("Unknown architecture");
    }
  
    @Test
    void determineArchBogus() {
      assertThatExceptionOfType(UnsupportedOperationException.class)
          .isThrownBy(() -> Architecture.extractFromSysProperty("hoobaflooba"))
          .withMessageContaining("Unknown architecture");
    }
  
    @Test
    void determineArchMixedCasing() {
      assertThat(Architecture.extractFromSysProperty("AmD64").is(X64)).isTrue();
    }
  
    @Test
    void dataModelIs32Or64BitOnCurrentArchitecture() {
      int model = Architecture.getCurrent().getDataModel();
      assertThat(model == 32 || model == 64).isTrue();
    }
  
    @Test
    void x86DataModelIs32Bit() {
      assertThat(X86.getDataModel()).isEqualTo(32);
    }
  
    @Test
    void x64DataModelIs64Bit() {
      assertThat(X64.getDataModel()).isEqualTo(64);
    }
  
    @Test
    void armDataModelIs64Bit() {
      assertThat(ARM.getDataModel()).isEqualTo(64);
    }
  
    @Test
    void anyDataModelIs64Bit() {
      assertThat(ANY.getDataModel()).isEqualTo(64);
    }
  }
  