| 1 | package be.nikiroo.utils.test_code; |
| 2 | |
| 3 | import java.io.ByteArrayOutputStream; |
| 4 | |
| 5 | import be.nikiroo.utils.streams.ReplaceOutputStream; |
| 6 | import be.nikiroo.utils.test.TestCase; |
| 7 | import be.nikiroo.utils.test.TestLauncher; |
| 8 | |
| 9 | class ReplaceOutputStreamTest extends TestLauncher { |
| 10 | public ReplaceOutputStreamTest(String[] args) { |
| 11 | super("ReplaceOutputStream test", args); |
| 12 | |
| 13 | addTest(new TestCase("Single write, empty bytes replaces") { |
| 14 | @Override |
| 15 | public void test() throws Exception { |
| 16 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 17 | ReplaceOutputStream out = new ReplaceOutputStream(bout, |
| 18 | new byte[0], new byte[0]); |
| 19 | |
| 20 | byte[] data = new byte[] { 42, 12, 0, 127 }; |
| 21 | |
| 22 | out.write(data); |
| 23 | out.close(); |
| 24 | |
| 25 | checkArrays(this, "FIRST", bout, data); |
| 26 | } |
| 27 | }); |
| 28 | |
| 29 | addTest(new TestCase("Multiple writes, empty Strings replaces") { |
| 30 | @Override |
| 31 | public void test() throws Exception { |
| 32 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 33 | ReplaceOutputStream out = new ReplaceOutputStream(bout, "", ""); |
| 34 | |
| 35 | byte[] data1 = new byte[] { 42, 12, 0, 127 }; |
| 36 | byte[] data2 = new byte[] { 15, 55 }; |
| 37 | byte[] data3 = new byte[] {}; |
| 38 | |
| 39 | byte[] dataAll = new byte[] { 42, 12, 0, 127, 15, 55 }; |
| 40 | |
| 41 | out.write(data1); |
| 42 | out.write(data2); |
| 43 | out.write(data3); |
| 44 | out.close(); |
| 45 | |
| 46 | checkArrays(this, "FIRST", bout, dataAll); |
| 47 | } |
| 48 | }); |
| 49 | |
| 50 | addTest(new TestCase("Single write, bytes replaces") { |
| 51 | @Override |
| 52 | public void test() throws Exception { |
| 53 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 54 | ReplaceOutputStream out = new ReplaceOutputStream(bout, |
| 55 | new byte[] { 12 }, new byte[] { 55 }); |
| 56 | |
| 57 | byte[] data = new byte[] { 42, 12, 0, 127 }; |
| 58 | |
| 59 | out.write(data); |
| 60 | out.close(); |
| 61 | |
| 62 | checkArrays(this, "FIRST", bout, new byte[] { 42, 55, 0, 127 }); |
| 63 | } |
| 64 | }); |
| 65 | |
| 66 | addTest(new TestCase("Multiple writes, Strings replaces") { |
| 67 | @Override |
| 68 | public void test() throws Exception { |
| 69 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 70 | ReplaceOutputStream out = new ReplaceOutputStream(bout, "(-)", |
| 71 | "(.)"); |
| 72 | |
| 73 | byte[] data1 = "un mot ".getBytes("UTF-8"); |
| 74 | byte[] data2 = "(-) of twee ".getBytes("UTF-8"); |
| 75 | byte[] data3 = "(-) makes the difference".getBytes("UTF-8"); |
| 76 | |
| 77 | out.write(data1); |
| 78 | out.write(data2); |
| 79 | out.write(data3); |
| 80 | out.close(); |
| 81 | |
| 82 | checkArrays(this, "FIRST", bout, |
| 83 | "un mot (.) of twee (.) makes the difference" |
| 84 | .getBytes("UTF-8")); |
| 85 | } |
| 86 | }); |
| 87 | |
| 88 | addTest(new TestCase("Single write, longer bytes replaces") { |
| 89 | @Override |
| 90 | public void test() throws Exception { |
| 91 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 92 | ReplaceOutputStream out = new ReplaceOutputStream(bout, |
| 93 | new byte[] { 12 }, new byte[] { 55, 55, 66 }); |
| 94 | |
| 95 | byte[] data = new byte[] { 42, 12, 0, 127 }; |
| 96 | |
| 97 | out.write(data); |
| 98 | out.close(); |
| 99 | |
| 100 | checkArrays(this, "FIRST", bout, new byte[] { 42, 55, 55, 66, |
| 101 | 0, 127 }); |
| 102 | } |
| 103 | }); |
| 104 | |
| 105 | addTest(new TestCase("Single write, shorter bytes replaces") { |
| 106 | @Override |
| 107 | public void test() throws Exception { |
| 108 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 109 | ReplaceOutputStream out = new ReplaceOutputStream(bout, |
| 110 | new byte[] { 12, 0 }, new byte[] { 55 }); |
| 111 | |
| 112 | byte[] data = new byte[] { 42, 12, 0, 127 }; |
| 113 | |
| 114 | out.write(data); |
| 115 | out.close(); |
| 116 | |
| 117 | checkArrays(this, "FIRST", bout, new byte[] { 42, 55, 127 }); |
| 118 | } |
| 119 | }); |
| 120 | |
| 121 | addTest(new TestCase("Single write, remove bytes replaces") { |
| 122 | @Override |
| 123 | public void test() throws Exception { |
| 124 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 125 | ReplaceOutputStream out = new ReplaceOutputStream(bout, |
| 126 | new byte[] { 12 }, new byte[] {}); |
| 127 | |
| 128 | byte[] data = new byte[] { 42, 12, 0, 127 }; |
| 129 | |
| 130 | out.write(data); |
| 131 | out.close(); |
| 132 | |
| 133 | checkArrays(this, "FIRST", bout, new byte[] { 42, 0, 127 }); |
| 134 | } |
| 135 | }); |
| 136 | } |
| 137 | |
| 138 | static void checkArrays(TestCase test, String prefix, |
| 139 | ByteArrayOutputStream bout, byte[] expected) throws Exception { |
| 140 | byte[] actual = bout.toByteArray(); |
| 141 | |
| 142 | if (false) { |
| 143 | System.out.print("\nExpected data: [ "); |
| 144 | for (int i = 0; i < expected.length; i++) { |
| 145 | if (i > 0) |
| 146 | System.out.print(", "); |
| 147 | System.out.print(expected[i]); |
| 148 | } |
| 149 | System.out.println(" ]"); |
| 150 | |
| 151 | System.out.print("Actual data : [ "); |
| 152 | for (int i = 0; i < actual.length; i++) { |
| 153 | if (i > 0) |
| 154 | System.out.print(", "); |
| 155 | System.out.print(actual[i]); |
| 156 | } |
| 157 | System.out.println(" ]"); |
| 158 | } |
| 159 | |
| 160 | test.assertEquals("The " + prefix |
| 161 | + " resulting array has not the correct number of items", |
| 162 | expected.length, actual.length); |
| 163 | for (int i = 0; i < actual.length; i++) { |
| 164 | test.assertEquals(prefix + ": item " + i |
| 165 | + " (0-based) is not the same", expected[i], actual[i]); |
| 166 | } |
| 167 | } |
| 168 | } |