NextableInputStream: more options
[nikiroo-utils.git] / src / be / nikiroo / utils / test_code / NextableInputStreamTest.java
index 87d64ac20d86cb10ef7941698f2ba69901fc9b2c..e57da84cf934c0e9bb311afe64988ac7d2511a5d 100644 (file)
@@ -18,6 +18,7 @@ public class NextableInputStreamTest extends TestLauncher {
                                byte[] expected = new byte[] { 42, 12, 0, 127 };
                                NextableInputStream in = new NextableInputStream(
                                                new ByteArrayInputStream(expected), null);
+                               in.next();
                                byte[] actual = IOUtils.toByteArray(in);
 
                                assertEquals(
@@ -38,7 +39,7 @@ public class NextableInputStreamTest extends TestLauncher {
                                                new ByteArrayInputStream(expected),
                                                new NextableInputStreamStep(12));
 
-                               checkNext(this, false, "FIRST", in, new byte[] { 42 });
+                               checkNext(this, "FIRST", in, new byte[] { 42 });
                        }
                });
 
@@ -50,9 +51,9 @@ public class NextableInputStreamTest extends TestLauncher {
                                                new ByteArrayInputStream(data),
                                                new NextableInputStreamStep(12));
 
-                               checkNext(this, false, "FIRST", in, new byte[] { 42 });
-                               checkNext(this, true, "SECOND", in, new byte[] { 0, 127 });
-                               checkNext(this, true, "THIRD", in, new byte[] { 51, 11 });
+                               checkNext(this, "FIRST", in, new byte[] { 42 });
+                               checkNext(this, "SECOND", in, new byte[] { 0, 127 });
+                               checkNext(this, "THIRD", in, new byte[] { 51, 11 });
                        }
                });
 
@@ -66,14 +67,14 @@ public class NextableInputStreamTest extends TestLauncher {
                                NextableInputStream subIn12 = new NextableInputStream(in4,
                                                new NextableInputStreamStep(12));
 
-                               checkNext(this, false, "SUB FIRST", subIn12, new byte[] { 42 });
-                               checkNext(this, true, "SUB SECOND", subIn12, new byte[] { 0 });
+                               in4.next();
+                               checkNext(this, "SUB FIRST", subIn12, new byte[] { 42 });
+                               checkNext(this, "SUB SECOND", subIn12, new byte[] { 0 });
 
                                assertEquals("The subIn still has some data", false,
                                                subIn12.next());
 
-                               checkNext(this, true, "MAIN LAST", in4,
-                                               new byte[] { 127, 12, 5 });
+                               checkNext(this, "MAIN LAST", in4, new byte[] { 127, 12, 5 });
                        }
                });
 
@@ -87,18 +88,73 @@ public class NextableInputStreamTest extends TestLauncher {
                                                new ByteArrayInputStream(data),
                                                new NextableInputStreamStep('\n'));
 
-                               checkNext(this, false, "FIRST", in, ln1.getBytes("UTF-8"));
-                               checkNext(this, true, "SECOND", in, ln2.getBytes("UTF-8"));
+                               checkNext(this, "FIRST", in, ln1.getBytes("UTF-8"));
+                               checkNext(this, "SECOND", in, ln2.getBytes("UTF-8"));
+                       }
+               });
+
+               addTest(new TestCase("nextAll()") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] data = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(data),
+                                               new NextableInputStreamStep(12));
+
+                               checkNext(this, "FIRST", in, new byte[] { 42 });
+                               checkNextAll(this, "REST", in, new byte[] { 0, 127, 12, 51, 11,
+                                               12 });
+                               assertEquals("The stream still has some data", false, in.next());
+                       }
+               });
+
+               addTest(new TestCase("getBytesRead()") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] data = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(data),
+                                               new NextableInputStreamStep(12));
+
+                               in.nextAll();
+                               IOUtils.toByteArray(in);
+
+                               assertEquals("The number of bytes read is not correct",
+                                               data.length, in.getBytesRead());
+                       }
+               });
+
+               addTest(new TestCase("bytes array input") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] data = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+                               NextableInputStream in = new NextableInputStream(data,
+                                               new NextableInputStreamStep(12));
+
+                               checkNext(this, "FIRST", in, new byte[] { 42 });
+                               checkNext(this, "SECOND", in, new byte[] { 0, 127 });
+                               checkNext(this, "THIRD", in, new byte[] { 51, 11 });
                        }
                });
        }
 
-       static void checkNext(TestCase test, boolean callNext, String prefix,
-                       NextableInputStream in, byte[] expected) throws Exception {
-               if (callNext) {
-                       test.assertEquals("Cannot get " + prefix + " entry", true,
-                                       in.next());
+       static void checkNext(TestCase test, String prefix, NextableInputStream in,
+                       byte[] expected) throws Exception {
+               test.assertEquals("Cannot get " + prefix + " entry", true, in.next());
+               byte[] actual = IOUtils.toByteArray(in);
+               test.assertEquals("The " + prefix
+                               + " resulting array has not the correct number of items",
+                               expected.length, actual.length);
+               for (int i = 0; i < actual.length; i++) {
+                       test.assertEquals("Item " + i + " (0-based) is not the same",
+                                       expected[i], actual[i]);
                }
+       }
+
+       static void checkNextAll(TestCase test, String prefix,
+                       NextableInputStream in, byte[] expected) throws Exception {
+               test.assertEquals("Cannot get " + prefix + " entries", true,
+                               in.nextAll());
                byte[] actual = IOUtils.toByteArray(in);
                test.assertEquals("The " + prefix
                                + " resulting array has not the correct number of items",