text: /*
   *
   * Copyright 2017 Asylo 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.
   *
   */
  
  #include <cpuid.h>
  
  #include <gtest/gtest.h>
  
  namespace {
  
  class RdrandTest : public ::testing::Test {};
  
  TEST_F(RdrandTest, HasRDRAND) {
    unsigned int eax, ebx, ecx, edx;
  
    __cpuid(0, eax, ebx, ecx, edx);
    // Bit 30 of ECX is set => machine supports RDRAND.
    EXPECT_TRUE(ecx & (1 << 30));
  }
  
  }  // namespace
  