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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/zip/ExtraFieldUtilsTest.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/zip/ExtraFieldUtilsTest.java | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/zip/ExtraFieldUtilsTest.java b/framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/zip/ExtraFieldUtilsTest.java new file mode 100644 index 00000000..95a6779e --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/zip/ExtraFieldUtilsTest.java @@ -0,0 +1,210 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.tools.zip; + +import org.junit.Before; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; + +/** + * JUnit 3 testcases for org.apache.tools.zip.ExtraFieldUtils. + * + */ +public class ExtraFieldUtilsTest implements UnixStat { + + /** + * Header-ID of a ZipExtraField not supported by Ant. + * + * <p>Used to be ZipShort(1) but this is the ID of the Zip64 extra + * field.</p> + */ + static final ZipShort UNRECOGNIZED_HEADER = new ZipShort(0x5555); + + private AsiExtraField a; + private UnrecognizedExtraField dummy; + private byte[] data; + private byte[] aLocal; + + @Before + public void setUp() { + a = new AsiExtraField(); + a.setMode(0755); + a.setDirectory(true); + dummy = new UnrecognizedExtraField(); + dummy.setHeaderId(UNRECOGNIZED_HEADER); + dummy.setLocalFileDataData(new byte[] {0}); + dummy.setCentralDirectoryData(new byte[] {0}); + + aLocal = a.getLocalFileDataData(); + byte[] dummyLocal = dummy.getLocalFileDataData(); + data = new byte[4 + aLocal.length + 4 + dummyLocal.length]; + System.arraycopy(a.getHeaderId().getBytes(), 0, data, 0, 2); + System.arraycopy(a.getLocalFileDataLength().getBytes(), 0, data, 2, 2); + System.arraycopy(aLocal, 0, data, 4, aLocal.length); + System.arraycopy(dummy.getHeaderId().getBytes(), 0, data, + 4+aLocal.length, 2); + System.arraycopy(dummy.getLocalFileDataLength().getBytes(), 0, data, + 4+aLocal.length+2, 2); + System.arraycopy(dummyLocal, 0, data, + 4+aLocal.length+4, dummyLocal.length); + + } + + /** + * test parser. + */ + @Test + public void testParse() throws Exception { + ZipExtraField[] ze = ExtraFieldUtils.parse(data); + assertEquals("number of fields", 2, ze.length); + assertTrue("type field 1", ze[0] instanceof AsiExtraField); + assertEquals("mode field 1", 040755, + ((AsiExtraField) ze[0]).getMode()); + assertTrue("type field 2", ze[1] instanceof UnrecognizedExtraField); + assertEquals("data length field 2", 1, + ze[1].getLocalFileDataLength().getValue()); + + byte[] data2 = new byte[data.length-1]; + System.arraycopy(data, 0, data2, 0, data2.length); + try { + ExtraFieldUtils.parse(data2); + fail("data should be invalid"); + } catch (Exception e) { + assertEquals("message", + "bad extra field starting at "+(4 + aLocal.length) + + ". Block length of 1 bytes exceeds remaining data of 0 bytes.", + e.getMessage()); + } + } + + @Test + public void testParseWithRead() throws Exception { + ZipExtraField[] ze = + ExtraFieldUtils.parse(data, true, + ExtraFieldUtils.UnparseableExtraField.READ); + assertEquals("number of fields", 2, ze.length); + assertTrue("type field 1", ze[0] instanceof AsiExtraField); + assertEquals("mode field 1", 040755, + ((AsiExtraField) ze[0]).getMode()); + assertTrue("type field 2", ze[1] instanceof UnrecognizedExtraField); + assertEquals("data length field 2", 1, + ze[1].getLocalFileDataLength().getValue()); + + byte[] data2 = new byte[data.length-1]; + System.arraycopy(data, 0, data2, 0, data2.length); + ze = ExtraFieldUtils.parse(data2, true, + ExtraFieldUtils.UnparseableExtraField.READ); + assertEquals("number of fields", 2, ze.length); + assertTrue("type field 1", ze[0] instanceof AsiExtraField); + assertEquals("mode field 1", 040755, + ((AsiExtraField) ze[0]).getMode()); + assertTrue("type field 2", ze[1] instanceof UnparseableExtraFieldData); + assertEquals("data length field 2", 4, + ze[1].getLocalFileDataLength().getValue()); + for (int i = 0; i < 4; i++) { + assertEquals("byte number " + i, + data2[data.length - 5 + i], + ze[1].getLocalFileDataData()[i]); + } + } + + @Test + public void testParseWithSkip() throws Exception { + ZipExtraField[] ze = + ExtraFieldUtils.parse(data, true, + ExtraFieldUtils.UnparseableExtraField.SKIP); + assertEquals("number of fields", 2, ze.length); + assertTrue("type field 1", ze[0] instanceof AsiExtraField); + assertEquals("mode field 1", 040755, + ((AsiExtraField) ze[0]).getMode()); + assertTrue("type field 2", ze[1] instanceof UnrecognizedExtraField); + assertEquals("data length field 2", 1, + ze[1].getLocalFileDataLength().getValue()); + + byte[] data2 = new byte[data.length-1]; + System.arraycopy(data, 0, data2, 0, data2.length); + ze = ExtraFieldUtils.parse(data2, true, + ExtraFieldUtils.UnparseableExtraField.SKIP); + assertEquals("number of fields", 1, ze.length); + assertTrue("type field 1", ze[0] instanceof AsiExtraField); + assertEquals("mode field 1", 040755, + ((AsiExtraField) ze[0]).getMode()); + } + + /** + * Test merge methods + */ + @Test + public void testMerge() { + byte[] local = + ExtraFieldUtils.mergeLocalFileDataData(new ZipExtraField[] {a, dummy}); + assertEquals("local length", data.length, local.length); + for (int i=0; i<local.length; i++) { + assertEquals("local byte "+i, data[i], local[i]); + } + + byte[] dummyCentral = dummy.getCentralDirectoryData(); + byte[] data2 = new byte[4 + aLocal.length + 4 + dummyCentral.length]; + System.arraycopy(data, 0, data2, 0, 4 + aLocal.length + 2); + System.arraycopy(dummy.getCentralDirectoryLength().getBytes(), 0, + data2, 4+aLocal.length+2, 2); + System.arraycopy(dummyCentral, 0, data2, + 4+aLocal.length+4, dummyCentral.length); + + + byte[] central = + ExtraFieldUtils.mergeCentralDirectoryData(new ZipExtraField[] {a, dummy}); + assertEquals("central length", data2.length, central.length); + for (int i=0; i<central.length; i++) { + assertEquals("central byte "+i, data2[i], central[i]); + } + + } + + @Test + public void testMergeWithUnparseableData() throws Exception { + ZipExtraField d = new UnparseableExtraFieldData(); + byte[] b = UNRECOGNIZED_HEADER.getBytes(); + d.parseFromLocalFileData(new byte[] {b[0], b[1], 1, 0}, 0, 4); + byte[] local = + ExtraFieldUtils.mergeLocalFileDataData(new ZipExtraField[] {a, d}); + assertEquals("local length", data.length - 1, local.length); + for (int i = 0; i < local.length; i++) { + assertEquals("local byte " + i, data[i], local[i]); + } + + byte[] dCentral = d.getCentralDirectoryData(); + byte[] data2 = new byte[4 + aLocal.length + dCentral.length]; + System.arraycopy(data, 0, data2, 0, 4 + aLocal.length + 2); + System.arraycopy(dCentral, 0, data2, + 4 + aLocal.length, dCentral.length); + + + byte[] central = + ExtraFieldUtils.mergeCentralDirectoryData(new ZipExtraField[] {a, d}); + assertEquals("central length", data2.length, central.length); + for (int i = 0; i < central.length; i++) { + assertEquals("central byte " + i, data2[i], central[i]); + } + + } +} |