1 // Copyright 2015 RedHat, Inc. 2 // Copyright 2015 CoreOS, Inc. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 16 package sdjournal 17 18 import "testing" 19 20 func TestGetFunction(t *testing.T) { 21 f, err := getFunction("sd_journal_open") 22 23 if err != nil { 24 t.Errorf("Error getting an existing function: %s", err) 25 } 26 27 if f == nil { 28 t.Error("Got nil function pointer") 29 } 30 31 _, err = getFunction("non_existent_function") 32 33 if err == nil { 34 t.Error("Expected to get an error, got nil") 35 } 36 } 37