Function AssertMyBufferEqual

cpp/src/arrow/buffer_test.cc:209–211

Like AssertBufferEqual, but doesn't call Buffer::data()

// Like AssertBufferEqual, but doesn't call Buffer::data()
void AssertMyBufferEqual(const Buffer& buffer, std::string_view expected) {
  ASSERT_EQ(std::string_view(buffer), expected);
}

void AssertIsCPUBuffer(const Buffer& buf) {
  ASSERT_TRUE(buf.is_cpu());