NextableInputStream, step 2
[nikiroo-utils.git] / src / be / nikiroo / utils / test_code / NextableInputStreamTest.java
index 1b0064df249726c006d7f7d5c06ba793374d2a0f..51ff128e5dc97e2ff104a6fb40da84c4eb2a10d9 100644 (file)
@@ -5,6 +5,7 @@ import java.io.InputStream;
 
 import be.nikiroo.utils.IOUtils;
 import be.nikiroo.utils.NextableInputStream;
+import be.nikiroo.utils.NextableInputStreamStep;
 import be.nikiroo.utils.test.TestCase;
 import be.nikiroo.utils.test.TestLauncher;
 
@@ -29,5 +30,66 @@ public class NextableInputStreamTest extends TestLauncher {
                                }
                        }
                });
+
+               addTest(new TestCase("Stop at 12") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] expected = new byte[] { 42, 12, 0, 127 };
+                               InputStream bin = new ByteArrayInputStream(expected);
+                               NextableInputStream in = new NextableInputStream(bin);
+                               in.addStep(new NextableInputStreamStep(12));
+                               byte[] actual = IOUtils.toByteArray(in);
+
+                               assertEquals(
+                                               "The resulting array has not the correct number of items",
+                                               1, actual.length);
+                               for (int i = 0; i < actual.length; i++) {
+                                       assertEquals("Item " + i + " (0-based) is not the same",
+                                                       expected[i], actual[i]);
+                               }
+                       }
+               });
+
+               addTest(new TestCase("Stop at 12, resume, stop again, resume") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] expected = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(expected));
+                               in.addStep(new NextableInputStreamStep(12));
+
+                               byte[] actual1 = IOUtils.toByteArray(in);
+                               byte[] expected1 = new byte[] { 42 };
+                               assertEquals(
+                                               "The FIRST resulting array has not the correct number of items",
+                                               expected1.length, actual1.length);
+                               for (int i = 0; i < actual1.length; i++) {
+                                       assertEquals("Item " + i + " (0-based) is not the same",
+                                                       expected1[i], actual1[i]);
+                               }
+
+                               assertEquals("Cannot get SECOND entry", true, in.next());
+                               byte[] actual2 = IOUtils.toByteArray(in);
+                               byte[] expected2 = new byte[] { 0, 127 };
+                               assertEquals(
+                                               "The SECOND resulting array has not the correct number of items",
+                                               expected2.length, actual2.length);
+                               for (int i = 0; i < actual2.length; i++) {
+                                       assertEquals("Item " + i + " (0-based) is not the same",
+                                                       expected2[i], actual2[i]);
+                               }
+
+                               assertEquals("Cannot get next THIRD entry", true, in.next());
+                               byte[] actual3 = IOUtils.toByteArray(in);
+                               byte[] expected3 = new byte[] { 51, 11 };
+                               assertEquals(
+                                               "The THIRD resulting array has not the correct number of items",
+                                               expected3.length, actual3.length);
+                               for (int i = 0; i < actual3.length; i++) {
+                                       assertEquals("Item " + i + " (0-based) is not the same",
+                                                       expected3[i], actual3[i]);
+                               }
+                       }
+               });
        }
 }