Function pd4

test/select.cpp:308–314

class Select_ : public ::testing::TestWithParam<select_params> {};

string pd4(dim4 dims) {
    string out(32, '\0');
    int len = snprintf(const_cast<char*>(out.data()), 32, "%lld_%lld_%lld_%lld",
                       dims[0], dims[1], dims[2], dims[3]);
    out.resize(len);
    return out;
}

string testNameGenerator(
    const ::testing::TestParamInfo<Select_::ParamType> info) {