| 1 | package be.nikiroo.utils.test_code; |
| 2 | |
| 3 | import java.io.ByteArrayInputStream; |
| 4 | import java.io.InputStream; |
| 5 | |
| 6 | import be.nikiroo.utils.IOUtils; |
| 7 | import be.nikiroo.utils.NextableInputStream; |
| 8 | import be.nikiroo.utils.NextableInputStreamStep; |
| 9 | import be.nikiroo.utils.test.TestCase; |
| 10 | import be.nikiroo.utils.test.TestLauncher; |
| 11 | |
| 12 | public class NextableInputStreamTest extends TestLauncher { |
| 13 | public NextableInputStreamTest(String[] args) { |
| 14 | super("NextableInputStream test", args); |
| 15 | |
| 16 | addTest(new TestCase("Simple byte array reading") { |
| 17 | @Override |
| 18 | public void test() throws Exception { |
| 19 | byte[] expected = new byte[] { 42, 12, 0, 127 }; |
| 20 | InputStream bin = new ByteArrayInputStream(expected); |
| 21 | NextableInputStream in = new NextableInputStream(bin); |
| 22 | byte[] actual = IOUtils.toByteArray(in); |
| 23 | |
| 24 | assertEquals( |
| 25 | "The resulting array has not the same number of items", |
| 26 | expected.length, actual.length); |
| 27 | for (int i = 0; i < expected.length; i++) { |
| 28 | assertEquals("Item " + i + " (0-based) is not the same", |
| 29 | expected[i], actual[i]); |
| 30 | } |
| 31 | } |
| 32 | }); |
| 33 | |
| 34 | addTest(new TestCase("Stop at 12") { |
| 35 | @Override |
| 36 | public void test() throws Exception { |
| 37 | byte[] expected = new byte[] { 42, 12, 0, 127 }; |
| 38 | InputStream bin = new ByteArrayInputStream(expected); |
| 39 | NextableInputStream in = new NextableInputStream(bin); |
| 40 | in.addStep(new NextableInputStreamStep(12)); |
| 41 | byte[] actual = IOUtils.toByteArray(in); |
| 42 | |
| 43 | assertEquals( |
| 44 | "The resulting array has not the correct number of items", |
| 45 | 1, actual.length); |
| 46 | for (int i = 0; i < actual.length; i++) { |
| 47 | assertEquals("Item " + i + " (0-based) is not the same", |
| 48 | expected[i], actual[i]); |
| 49 | } |
| 50 | } |
| 51 | }); |
| 52 | |
| 53 | addTest(new TestCase("Stop at 12, resume, stop again, resume") { |
| 54 | @Override |
| 55 | public void test() throws Exception { |
| 56 | byte[] expected = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 }; |
| 57 | NextableInputStream in = new NextableInputStream( |
| 58 | new ByteArrayInputStream(expected)); |
| 59 | in.addStep(new NextableInputStreamStep(12)); |
| 60 | |
| 61 | byte[] actual1 = IOUtils.toByteArray(in); |
| 62 | byte[] expected1 = new byte[] { 42 }; |
| 63 | assertEquals( |
| 64 | "The FIRST resulting array has not the correct number of items", |
| 65 | expected1.length, actual1.length); |
| 66 | for (int i = 0; i < actual1.length; i++) { |
| 67 | assertEquals("Item " + i + " (0-based) is not the same", |
| 68 | expected1[i], actual1[i]); |
| 69 | } |
| 70 | |
| 71 | assertEquals("Cannot get SECOND entry", true, in.next()); |
| 72 | byte[] actual2 = IOUtils.toByteArray(in); |
| 73 | byte[] expected2 = new byte[] { 0, 127 }; |
| 74 | assertEquals( |
| 75 | "The SECOND resulting array has not the correct number of items", |
| 76 | expected2.length, actual2.length); |
| 77 | for (int i = 0; i < actual2.length; i++) { |
| 78 | assertEquals("Item " + i + " (0-based) is not the same", |
| 79 | expected2[i], actual2[i]); |
| 80 | } |
| 81 | |
| 82 | assertEquals("Cannot get next THIRD entry", true, in.next()); |
| 83 | byte[] actual3 = IOUtils.toByteArray(in); |
| 84 | byte[] expected3 = new byte[] { 51, 11 }; |
| 85 | assertEquals( |
| 86 | "The THIRD resulting array has not the correct number of items", |
| 87 | expected3.length, actual3.length); |
| 88 | for (int i = 0; i < actual3.length; i++) { |
| 89 | assertEquals("Item " + i + " (0-based) is not the same", |
| 90 | expected3[i], actual3[i]); |
| 91 | } |
| 92 | } |
| 93 | }); |
| 94 | } |
| 95 | } |