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// Copyright 2015 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 com.google.devtools.build.zip;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.testing.NullPointerTester;
import com.google.devtools.build.zip.ZipFileEntry.Compression;
import com.google.devtools.build.zip.ZipFileEntry.Feature;
import com.google.devtools.build.zip.ZipFileEntry.Flag;
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 ZipFileEntryTest {
@Rule public ExpectedException thrown = ExpectedException.none();
@Test public void testNulls() {
NullPointerTester tester = new NullPointerTester();
tester.testAllPublicConstructors(ZipFileEntry.class);
tester.testAllPublicInstanceMethods(new ZipFileEntry("foo"));
}
@Test public void testCrc() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setCrc(32);
}
@Test public void testCrc_Negative() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid entry crc-32");
foo.setCrc(-1);
}
@Test public void testCrc_Large() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid entry crc-32");
foo.setCrc(0x100000000L);
}
@Test public void testSize() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setSize(32);
}
@Test public void testSize_Negative() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid entry size");
foo.setSize(-1);
}
@Test public void testSize_Large() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setSize(0x100000000L);
assertThat(foo.getVersion()).isEqualTo(Feature.ZIP64_SIZE.getMinVersion());
}
@Test public void testCompressedSize() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setCompressedSize(32);
}
@Test public void testCompressedSize_Negative() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid entry size");
foo.setCompressedSize(-1);
}
@Test public void testCompressedSize_Large() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setCompressedSize(0x100000000L);
assertThat(foo.getVersion()).isEqualTo(Feature.ZIP64_CSIZE.getMinVersion());
}
@Test public void testMinVersion() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersion()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setVersion((short) 0x14);
assertThat(foo.getVersion()).isEqualTo((short) 0x14);
}
@Test public void testMinVersion_MethodUpdated() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersion()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setMethod(Compression.DEFLATED);
assertThat(foo.getVersion()).isEqualTo(Feature.DEFLATED.getMinVersion());
}
@Test public void testMinVersion_Zip64Updated() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersion()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setSize(0xffffffffL);
assertThat(foo.getVersion()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setSize(0xfffffffffL);
assertThat(foo.getVersion()).isEqualTo(Feature.ZIP64_SIZE.getMinVersion());
}
@Test public void testMinVersion_BelowRequired() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setVersion((short) 0);
assertThat(foo.getVersion()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setMethod(Compression.DEFLATED);
foo.setVersion(Compression.STORED.getMinVersion());
assertThat(foo.getVersion()).isEqualTo(Feature.DEFLATED.getMinVersion());
}
@Test public void testMinVersionNeeded() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setVersionNeeded((short) 0x14);
assertThat(foo.getVersionNeeded()).isEqualTo((short) 0x14);
}
@Test public void testMinVersionNeeded_MethodUpdated() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setMethod(Compression.DEFLATED);
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFLATED.getMinVersion());
}
@Test public void testMinVersionNeeded_Zip64Updated() {
ZipFileEntry foo = new ZipFileEntry("foo");
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setSize(0xffffffffL);
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setSize(0xfffffffffL);
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.ZIP64_SIZE.getMinVersion());
}
@Test public void testMinVersionNeeded_BelowRequired() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setVersionNeeded((short) 0);
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFAULT.getMinVersion());
foo.setMethod(Compression.DEFLATED);
foo.setVersionNeeded(Compression.STORED.getMinVersion());
assertThat(foo.getVersionNeeded()).isEqualTo(Feature.DEFLATED.getMinVersion());
}
@Test public void testSetFlag() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setFlag(Flag.DATA_DESCRIPTOR, true);
assertThat(foo.getFlags()).isEqualTo((short) 0x08);
foo.setFlag(Flag.DATA_DESCRIPTOR, true);
assertThat(foo.getFlags()).isEqualTo((short) 0x08);
foo.setFlag(Flag.DATA_DESCRIPTOR, false);
assertThat(foo.getFlags()).isEqualTo((short) 0x00);
foo.setFlag(Flag.DATA_DESCRIPTOR, false);
assertThat(foo.getFlags()).isEqualTo((short) 0x00);
}
@Test public void testLocalHeaderOffset() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setLocalHeaderOffset(32);
}
@Test public void testLocalHeaderOffset_Negative() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid local header offset");
foo.setLocalHeaderOffset(-1);
}
@Test public void testLocalHeaderOffset_Large() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setLocalHeaderOffset(0x100000000L);
assertThat(foo.getVersion()).isEqualTo(Feature.ZIP64_OFFSET.getMinVersion());
}
@Test public void testExtra() {
ZipFileEntry foo = new ZipFileEntry("foo");
foo.setExtra(new ExtraDataList(new byte[32]));
}
@Test public void testExtra_Large() {
ZipFileEntry foo = new ZipFileEntry("foo");
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("invalid extra field length");
foo.setExtra(new ExtraDataList(new byte[0x10000]));
}
@Test public void testExtraData() {
ZipFileEntry foo = new ZipFileEntry("foo");
ExtraDataList extra = new ExtraDataList();
extra.add(new ExtraData((short) 0xCAFE, new byte[] { 0x01, 0x02 }));
extra.add(new ExtraData((short) 0xDEAD, new byte[] { (byte) 0xBE, (byte) 0xEF }));
foo.setExtra(extra);
// Expect 2 records: 0xCAFE 0x0002 0x01 0x02, 0xDEAD 0x0002 0xBE 0xEF in little endian
assertThat(foo.getExtra().getBytes()).isEqualTo(new byte[] {
(byte) 0xFE, (byte) 0xCA, 0x02, 0x00, 0x01, 0x02,
(byte) 0xAD, (byte) 0xDE, 0x02, 0x00, (byte) 0xBE, (byte) 0xEF });
}
}
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