1/* 2 * Copyright (C) 2023 The Android Open Source Project 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 17import {Parser} from './parser'; 18import {RealTimestamp, Timestamp, TimestampType} from './timestamp'; 19import {TraceType} from './trace_type'; 20 21export class ParserMock<T> implements Parser<T> { 22 constructor(private readonly timestamps: RealTimestamp[], private readonly entries: T[]) { 23 if (timestamps.length !== entries.length) { 24 throw new Error(`Timestamps and entries must have the same length`); 25 } 26 } 27 28 getTraceType(): TraceType { 29 return TraceType.SURFACE_FLINGER; 30 } 31 32 getLengthEntries(): number { 33 return this.entries.length; 34 } 35 36 getTimestamps(type: TimestampType): Timestamp[] | undefined { 37 if (type !== TimestampType.REAL) { 38 throw new Error('Parser mock contains only real timestamps'); 39 } 40 return this.timestamps; 41 } 42 43 getEntry(index: number): Promise<T> { 44 return Promise.resolve(this.entries[index]); 45 } 46 47 getDescriptors(): string[] { 48 return ['MockTrace']; 49 } 50} 51