| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package reflectx |
| |
| import ( |
| "reflect" |
| "testing" |
| ) |
| |
| func testFunction() int64 { |
| return 42 |
| } |
| |
| func TestLoadFunction(t *testing.T) { |
| val := reflect.ValueOf(testFunction) |
| fi := uintptr(val.Pointer()) |
| typ := val.Type() |
| |
| callable := LoadFunction(fi, typ) |
| |
| cv := reflect.ValueOf(callable) |
| out := cv.Call(nil) |
| if len(out) != 1 { |
| t.Errorf("got %d return values, wanted 1.", len(out)) |
| } |
| |
| if out[0].Int() != testFunction() { |
| t.Errorf("got %d, wanted %d", out[0].Int(), testFunction()) |
| } |
| } |
