| // Copyright 2015 The Bazel Authors. 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 com.google.devtools.build.zip; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class ExtraDataTest { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test public void testFromData() { |
| short id = (short) 0xcafe; |
| byte[] data = new byte[] { (byte) 0xaa, (byte) 0xbb, (byte) 0xcc }; |
| // Contains 1 record: 0xcafe 0x0003 0xaa 0xbb 0xcc in little endian |
| byte[] record = new byte[] { (byte) 0xfe, (byte) 0xca, 0x03, 0x00, (byte) 0xaa, (byte) 0xbb, |
| (byte) 0xcc }; |
| ExtraData extra = new ExtraData(id, data); |
| assertThat(extra.getId()).isEqualTo(id); |
| assertThat(extra.getLength()).isEqualTo(record.length); |
| assertThat(extra.getData()).isEqualTo(data); |
| assertThat(extra.getDataLength()).isEqualTo(data.length); |
| assertThat(extra.getBytes()).isEqualTo(record); |
| assertThat(extra.getByte(2)).isEqualTo(record[2]); |
| } |
| |
| @Test public void testFromArray() { |
| // Contains 1 record: 0xcafe 0x0004 deadbeef in little endian with 4 bytes padding on the front |
| // and 4 bytes padding on the end |
| byte[] buf = new byte[] { 0x00, 0x11, 0x22, 0x33, (byte) 0xfe, (byte) 0xca, 0x04, 0x00, |
| (byte) 0xde, (byte) 0xad, (byte) 0xbe, (byte) 0xef, (byte) 0xcc, (byte) 0xdd, (byte) 0xee, |
| (byte) 0xff }; |
| // record id: cafe |
| short id = (short) 0xcafe; |
| // record payload: deadbeef |
| byte[] data = new byte[] { (byte) 0xde, (byte) 0xad, (byte) 0xbe, (byte) 0xef }; |
| // complete record: 0xcafe 0x0004 deadbeef |
| byte[] record = new byte[] { (byte) 0xfe, (byte) 0xca, 0x04, 0x00, (byte) 0xde, (byte) 0xad, |
| (byte) 0xbe, (byte) 0xef }; |
| ExtraData extra = new ExtraData(buf, 4); |
| assertThat(extra.getId()).isEqualTo(id); |
| assertThat(extra.getLength()).isEqualTo(record.length); |
| assertThat(extra.getData()).isEqualTo(data); |
| assertThat(extra.getDataLength()).isEqualTo(data.length); |
| assertThat(extra.getBytes()).isEqualTo(record); |
| assertThat(extra.getByte(2)).isEqualTo(record[2]); |
| } |
| |
| @Test public void testFromArray_shortHeader() { |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("incomplete extra data entry in buffer"); |
| new ExtraData(new byte[] { (byte) 0xfe, (byte) 0xca, 0x01 }, 0); |
| } |
| |
| @Test public void testFromArray_shortData() { |
| thrown.expect(IllegalArgumentException.class); |
| thrown.expectMessage("incomplete extra data entry in buffer"); |
| new ExtraData(new byte[] { (byte) 0xfe, (byte) 0xca, 0x03, 0x00, 0x00 }, 0); |
| } |
| } |