1// Copyright (C) 2021 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package android 16 17import "testing" 18 19type testSdkRegisterable struct { 20 name string 21} 22 23func (t *testSdkRegisterable) SdkPropertyName() string { 24 return t.name 25} 26 27var _ sdkRegisterable = &testSdkRegisterable{} 28 29func TestSdkRegistry(t *testing.T) { 30 alpha := &testSdkRegisterable{"alpha"} 31 beta := &testSdkRegisterable{"beta"} 32 betaDup := &testSdkRegisterable{"beta"} 33 34 // Make sure that an empty registry is empty. 35 emptyRegistry := &sdkRegistry{} 36 AssertDeepEquals(t, "emptyRegistry should be empty", ([]sdkRegisterable)(nil), emptyRegistry.registeredObjects()) 37 38 // Add beta to the empty registry to create another registry, check that it contains beta and make 39 // sure that it does not affect the creating registry. 40 registry1 := emptyRegistry.copyAndAppend(beta) 41 AssertDeepEquals(t, "emptyRegistry should still be empty", ([]sdkRegisterable)(nil), emptyRegistry.registeredObjects()) 42 AssertDeepEquals(t, "registry1 should contain beta", []sdkRegisterable{beta}, registry1.registeredObjects()) 43 44 // Add alpha to the registry containing beta to create another registry, check that it contains 45 // alpha,beta (in order) and make sure that it does not affect the creating registry. 46 registry2 := registry1.copyAndAppend(alpha) 47 AssertDeepEquals(t, "registry1 should still contain beta", []sdkRegisterable{beta}, registry1.registeredObjects()) 48 AssertDeepEquals(t, "registry2 should contain alpha,beta", []sdkRegisterable{alpha, beta}, registry2.registeredObjects()) 49 50 AssertPanicMessageContains(t, "duplicate beta should be detected", `"beta" already exists in ["alpha" "beta"]`, func() { 51 registry2.copyAndAppend(betaDup) 52 }) 53} 54