test_vendors.cpp

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#include <gtest/gtest.h>
 
#include "profinet/vendors.h"
 
using namespace profinet;
 
class VendorsTest : public ::testing::Test
{
};
 
TEST_F(VendorsTest, KnownVendorIdResolvesToName)
{
  // Siemens AG's PROFINET vendor ID is well-known and stable.
  auto name = LookupVendor(0x002A);
 
  ASSERT_TRUE(name.has_value());
}
 
TEST_F(VendorsTest, UnknownVendorIdReturnsNulloptOrFallbackString)
{
  // 0xFFFE is exceedingly unlikely to be assigned.
  auto name = LookupVendor(0xFFFE);
 
  if (!name.has_value())
  {
    EXPECT_EQ(GetVendorName(0xFFFE), "Unknown (0xFFFE)");
  }
}