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comparison test/org/tmatesoft/hg/test/TestInflaterDataAccess.java @ 655:bcbcc318f250

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Performance: reuse unzip output buffer
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 04 Jul 2013 18:36:38 +0200
parents 3c4db86e8c1f
children
comparison
equal deleted inserted replaced
654:12a4f60ea972 655:bcbcc318f250
49 } 49 }
50 50
51 @Test 51 @Test
52 public void testSeek() throws Exception { 52 public void testSeek() throws Exception {
53 DataAccess zip = zip(testContent1); 53 DataAccess zip = zip(testContent1);
54 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25]); 54 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25], null);
55 ida.seek(20); 55 ida.seek(20);
56 final int bufferCapacity = 10; 56 final int bufferCapacity = 10;
57 ByteBuffer chunk1 = ByteBuffer.allocate(bufferCapacity); 57 ByteBuffer chunk1 = ByteBuffer.allocate(bufferCapacity);
58 ida.readBytes(chunk1); 58 ida.readBytes(chunk1);
59 errorCollector.assertTrue(new ByteArraySlice(testContent1, 20, bufferCapacity).equalsTo(chunk1.array())); 59 errorCollector.assertTrue(new ByteArraySlice(testContent1, 20, bufferCapacity).equalsTo(chunk1.array()));
64 } 64 }
65 65
66 @Test 66 @Test
67 public void testLength() throws Exception { 67 public void testLength() throws Exception {
68 DataAccess zip = zip(testContent1); 68 DataAccess zip = zip(testContent1);
69 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25]); 69 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25], null);
70 errorCollector.assertEquals("Plain #length()", testContent1.length, ida.length()); 70 errorCollector.assertEquals("Plain #length()", testContent1.length, ida.length());
71 // 71 //
72 ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25]); 72 ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25], null);
73 byte[] dummy = new byte[30]; 73 byte[] dummy = new byte[30];
74 ida.readBytes(dummy, 0, dummy.length); 74 ida.readBytes(dummy, 0, dummy.length);
75 errorCollector.assertEquals("#length() after readBytes()", testContent1.length, ida.length()); 75 errorCollector.assertEquals("#length() after readBytes()", testContent1.length, ida.length());
76 // 76 //
77 ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25]); 77 ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25], null);
78 // consume most of the stream, so that all original compressed data is already read 78 // consume most of the stream, so that all original compressed data is already read
79 dummy = new byte[testContent1.length - 1]; 79 dummy = new byte[testContent1.length - 1];
80 ida.readBytes(dummy, 0, dummy.length); 80 ida.readBytes(dummy, 0, dummy.length);
81 errorCollector.assertEquals("#length() after origin was completely read", testContent1.length, ida.length()); 81 errorCollector.assertEquals("#length() after origin was completely read", testContent1.length, ida.length());
82 // 82 //
84 } 84 }
85 85
86 @Test 86 @Test
87 public void testReadBytes() throws Exception { 87 public void testReadBytes() throws Exception {
88 DataAccess zip = zip(testContent1); 88 DataAccess zip = zip(testContent1);
89 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25]); 89 InflaterDataAccess ida = new InflaterDataAccess(zip, 0, zip.length(), -1, new Inflater(), new byte[25], null);
90 ida.skip(10); 90 ida.skip(10);
91 byte[] chunk1 = new byte[22]; 91 byte[] chunk1 = new byte[22];
92 ida.readBytes(chunk1, 0, 20); 92 ida.readBytes(chunk1, 0, 20);
93 chunk1[20] = ida.readByte(); 93 chunk1[20] = ida.readByte();
94 chunk1[21] = ida.readByte(); 94 chunk1[21] = ida.readByte();