v8/test/cctest/test-cpu.cc

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#include "v8.h"

#include "cctest.h"
#include "cpu.h"

using namespace v8::internal;


TEST(FeatureImplications) {
  // Test for features implied by other features.
  CPU cpu;

  // ia32 and x64 features
  CHECK(!cpu.has_sse() || cpu.has_mmx());
  CHECK(!cpu.has_sse2() || cpu.has_sse());
  CHECK(!cpu.has_sse3() || cpu.has_sse2());
  CHECK(!cpu.has_ssse3() || cpu.has_sse3());
  CHECK(!cpu.has_sse41() || cpu.has_sse3());
  CHECK(!cpu.has_sse42() || cpu.has_sse41());

  // arm features
  CHECK(!cpu.has_vfp3_d32() || cpu.has_vfp3());
}


TEST(NumberOfProcessorsOnline) {
  CHECK_GT(OS::NumberOfProcessorsOnline(), 0);
}