more tests

[nikiroo-utils.git] / src / be / nikiroo / utils / test_code / NextableInputStreamTest.java

diff --git a/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java b/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
index 1b0064df249726c006d7f7d5c06ba793374d2a0f..87d64ac20d86cb10ef7941698f2ba69901fc9b2c 100644 (file)
--- a/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
+++ b/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
@@ -1,10 +1,10 @@
 package be.nikiroo.utils.test_code;
 
 import java.io.ByteArrayInputStream;
-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;
 
@@ -16,8 +16,8 @@ public class NextableInputStreamTest extends TestLauncher {
                        @Override
                        public void test() throws Exception {
                                byte[] expected = new byte[] { 42, 12, 0, 127 };
-                               InputStream bin = new ByteArrayInputStream(expected);
-                               NextableInputStream in = new NextableInputStream(bin);
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(expected), null);
                                byte[] actual = IOUtils.toByteArray(in);
 
                                assertEquals(
@@ -29,5 +29,83 @@ 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 };
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(expected),
+                                               new NextableInputStreamStep(12));
+
+                               checkNext(this, false, "FIRST", in, new byte[] { 42 });
+                       }
+               });
+
+               addTest(new TestCase("Stop at 12, resume, stop again, resume") {
+                       @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, false, "FIRST", in, new byte[] { 42 });
+                               checkNext(this, true, "SECOND", in, new byte[] { 0, 127 });
+                               checkNext(this, true, "THIRD", in, new byte[] { 51, 11 });
+                       }
+               });
+
+               addTest(new TestCase("Encapsulation") {
+                       @Override
+                       public void test() throws Exception {
+                               byte[] data = new byte[] { 42, 12, 0, 4, 127, 12, 5 };
+                               NextableInputStream in4 = new NextableInputStream(
+                                               new ByteArrayInputStream(data),
+                                               new NextableInputStreamStep(4));
+                               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 });
+
+                               assertEquals("The subIn still has some data", false,
+                                               subIn12.next());
+
+                               checkNext(this, true, "MAIN LAST", in4,
+                                               new byte[] { 127, 12, 5 });
+                       }
+               });
+
+               addTest(new TestCase("UTF-8 text lines test") {
+                       @Override
+                       public void test() throws Exception {
+                               String ln1 = "Ligne première";
+                               String ln2 = "Ligne la deuxième du nom";
+                               byte[] data = (ln1 + "\n" + ln2).getBytes("UTF-8");
+                               NextableInputStream in = new NextableInputStream(
+                                               new ByteArrayInputStream(data),
+                                               new NextableInputStreamStep('\n'));
+
+                               checkNext(this, false, "FIRST", in, ln1.getBytes("UTF-8"));
+                               checkNext(this, true, "SECOND", in, ln2.getBytes("UTF-8"));
+                       }
+               });
+       }
+
+       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());
+               }
+               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]);
+               }
        }
 }