|  | // Copyright 2021 Google Inc. All rights reserved. | 
|  | // | 
|  | // Licensed 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 shared | 
|  |  | 
|  | import ( | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | func assertEqual(t *testing.T, expected, actual string) { | 
|  | t.Helper() | 
|  | if expected != actual { | 
|  | t.Errorf("expected %q != got %q", expected, actual) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestJoinPath(t *testing.T) { | 
|  | assertEqual(t, "/a/b", JoinPath("c/d", "/a/b")) | 
|  | assertEqual(t, "a/b", JoinPath("a", "b")) | 
|  | assertEqual(t, "/a/b", JoinPath("x", "/a", "b")) | 
|  | } |