X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Ftest_code%2FNextableInputStreamTest.java;h=70123b99ee7095be9764b0605c844284665031e2;hb=8e76f6ab13a8a4a651f2518b6c91d5e6424c7922;hp=1b0064df249726c006d7f7d5c06ba793374d2a0f;hpb=2e7584daaf5d2f06d326c21297a71d02dd275a35;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java b/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
index 1b0064d..70123b9 100644
--- a/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
+++ b/src/be/nikiroo/utils/test_code/NextableInputStreamTest.java
@@ -1,10 +1,11 @@
 package be.nikiroo.utils.test_code;
 
 import java.io.ByteArrayInputStream;
-import java.io.InputStream;
+import java.io.IOException;
 
 import be.nikiroo.utils.IOUtils;
-import be.nikiroo.utils.NextableInputStream;
+import be.nikiroo.utils.streams.NextableInputStream;
+import be.nikiroo.utils.streams.NextableInputStreamStep;
 import be.nikiroo.utils.test.TestCase;
 import be.nikiroo.utils.test.TestLauncher;
 
@@ -16,8 +17,9 @@ 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);
+				in.next();
 				byte[] actual = IOUtils.toByteArray(in);
 
 				assertEquals(
@@ -29,5 +31,212 @@ 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, "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, "FIRST", in, new byte[] { 42 });
+				checkNext(this, "SECOND", in, new byte[] { 0, 127 });
+				checkNext(this, "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));
+
+				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, "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, "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 });
+			}
+		});
+
+		addTest(new TestCase("Skip data") {
+			@Override
+			public void test() throws Exception {
+				byte[] data = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+				NextableInputStream in = new NextableInputStream(data, null);
+				in.next();
+
+				in.skip(4);
+				checkArrays(this, "ONLY", in, new byte[] { 12, 51, 11, 12 });
+			}
+		});
+
+		addTest(new TestCase("Starts with") {
+			@Override
+			public void test() throws Exception {
+				byte[] data = new byte[] { 42, 12, 0, 127, 12, 51, 11, 12 };
+				NextableInputStream in = new NextableInputStream(data, null);
+				in.next();
+
+				// yes
+				assertEquals("It actually starts with that", true,
+						in.startsWith(new byte[] { 42 }));
+				assertEquals("It actually starts with that", true,
+						in.startsWith(new byte[] { 42, 12 }));
+				assertEquals("It actually is the same array", true,
+						in.startsWith(data));
+
+				// no
+				assertEquals("It actually does not start with that", false,
+						in.startsWith(new byte[] { 12 }));
+				assertEquals("It actually does not start with that", false,
+						in.startsWith(
+								new byte[] { 42, 12, 0, 127, 12, 51, 11, 11 }));
+
+				// too big
+				try {
+					in.startsWith(
+							new byte[] { 42, 12, 0, 127, 12, 51, 11, 12, 0 });
+					fail("Searching a prefix bigger than the array should throw an IOException");
+				} catch (IOException e) {
+				}
+			}
+		});
+
+		addTest(new TestCase("Starts with strings") {
+			@Override
+			public void test() throws Exception {
+				String text = "Fanfan et Toto vont à la mer";
+				byte[] data = text.getBytes("UTF-8");
+				NextableInputStream in = new NextableInputStream(data, null);
+				in.next();
+
+				// yes
+				assertEquals("It actually starts with that", true,
+						in.startsWiths("F"));
+				assertEquals("It actually starts with that", true,
+						in.startsWiths("Fanfan et"));
+				assertEquals("It actually is the same text", true,
+						in.startsWiths(text));
+
+				// no
+				assertEquals("It actually does not start with that", false,
+						in.startsWiths("Toto"));
+				assertEquals("It actually does not start with that", false,
+						in.startsWiths("Fanfan et Toto vont à la mee"));
+
+				// too big
+				try {
+					in.startsWiths("Fanfan et Toto vont à la mer.");
+					fail("Searching a prefix bigger than the array should throw an IOException");
+				} catch (IOException e) {
+				}
+			}
+		});
+	}
+
+	static void checkNext(TestCase test, String prefix, NextableInputStream in,
+			byte[] expected) throws Exception {
+		test.assertEquals("Cannot get " + prefix + " entry", true, in.next());
+		checkArrays(test, prefix, in, expected);
+	}
+
+	static void checkNextAll(TestCase test, String prefix,
+			NextableInputStream in, byte[] expected) throws Exception {
+		test.assertEquals("Cannot get " + prefix + " entries", true,
+				in.nextAll());
+		checkArrays(test, prefix, in, expected);
+	}
+
+	static void checkArrays(TestCase test, String prefix,
+			NextableInputStream in, byte[] expected) throws Exception {
+		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]);
+		}
 	}
 }