Method DoTest

cpp/src/arrow/compute/exec_test.cc:1185–1203

};

void TestCallScalarFunctionArgumentValidation::DoTest(FunctionCallerMaker caller_maker) {
  ASSERT_OK_AND_ASSIGN(auto test_copy, caller_maker("test_copy", {int32()}));

  // Copy accepts only a single array argument
  Datum d1(GetInt32Array(10));

  // Too many args
  std::vector<Datum> args = {d1, d1};
  ASSERT_RAISES(Invalid, test_copy->Call(args));

  // Too few
  args = {};
  ASSERT_RAISES(Invalid, test_copy->Call(args));

  // Cannot do scalar
  Datum d1_scalar(std::make_shared<Int32Scalar>(5));
  ASSERT_OK_AND_ASSIGN(auto result, test_copy->Call({d1}));
  ASSERT_OK_AND_ASSIGN(result, test_copy->Call({d1_scalar}));
}

TEST_F(TestCallScalarFunctionArgumentValidation, SimpleCall) {
  TestCallScalarFunctionArgumentValidation::DoTest(SimpleFunctionCaller::Maker);