X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;ds=inline;f=src%2Fbe%2Fnikiroo%2Futils%2Ftest_code%2FBufferedOutputStreamTest.java;fp=src%2Fbe%2Fnikiroo%2Futils%2Ftest_code%2FBufferedOutputStreamTest.java;h=5646e61866fe96d6b16a5c44c705a72ccfc99cb0;hb=5584adbbbf5444c0039fed2b35dc7d5bb57b71b1;hp=0000000000000000000000000000000000000000;hpb=ad207feb2815e429ae32484bc6930990099f8ea4;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/test_code/BufferedOutputStreamTest.java b/src/be/nikiroo/utils/test_code/BufferedOutputStreamTest.java
new file mode 100644
index 0000000..5646e61
--- /dev/null
+++ b/src/be/nikiroo/utils/test_code/BufferedOutputStreamTest.java
@@ -0,0 +1,136 @@
+package be.nikiroo.utils.test_code;
+
+import java.io.ByteArrayOutputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import be.nikiroo.utils.streams.BufferedOutputStream;
+import be.nikiroo.utils.test.TestCase;
+import be.nikiroo.utils.test.TestLauncher;
+
+class BufferedOutputStreamTest extends TestLauncher {
+	public BufferedOutputStreamTest(String[] args) {
+		super("BufferedOutputStream test", args);
+
+		addTest(new TestCase("Single write") {
+			@Override
+			public void test() throws Exception {
+				ByteArrayOutputStream bout = new ByteArrayOutputStream();
+				BufferedOutputStream out = new BufferedOutputStream(bout);
+
+				byte[] data = new byte[] { 42, 12, 0, 127 };
+
+				out.write(data);
+				out.close();
+
+				checkArrays(this, "FIRST", bout, data);
+			}
+		});
+
+		addTest(new TestCase("Single write of 5000 bytes") {
+			@Override
+			public void test() throws Exception {
+				ByteArrayOutputStream bout = new ByteArrayOutputStream();
+				BufferedOutputStream out = new BufferedOutputStream(bout);
+
+				byte[] data = new byte[5000];
+				for (int i = 0; i < data.length; i++) {
+					data[i] = (byte) (i % 255);
+				}
+
+				out.write(data);
+				out.close();
+
+				checkArrays(this, "FIRST", bout, data);
+			}
+		});
+
+		addTest(new TestCase("Multiple writes") {
+			@Override
+			public void test() throws Exception {
+				ByteArrayOutputStream bout = new ByteArrayOutputStream();
+				BufferedOutputStream out = new BufferedOutputStream(bout);
+
+				byte[] data1 = new byte[] { 42, 12, 0, 127 };
+				byte[] data2 = new byte[] { 15, 55 };
+				byte[] data3 = new byte[] {};
+
+				byte[] dataAll = new byte[] { 42, 12, 0, 127, 15, 55 };
+
+				out.write(data1);
+				out.write(data2);
+				out.write(data3);
+				out.close();
+
+				checkArrays(this, "FIRST", bout, dataAll);
+			}
+		});
+
+		addTest(new TestCase("Multiple writes for a 5000 bytes total") {
+			@Override
+			public void test() throws Exception {
+				ByteArrayOutputStream bout = new ByteArrayOutputStream();
+				BufferedOutputStream out = new BufferedOutputStream(bout);
+
+				byte[] data = new byte[] { 42, 12, 0, 127, 51, 2, 32, 66, 7, 87 };
+
+				List<Byte> bytes = new ArrayList<Byte>();
+
+				// write 400 * 10 + 1000 bytes = 5000
+				for (int i = 0; i < 400; i++) {
+					for (int j = 0; j < data.length; j++) {
+						bytes.add(data[j]);
+					}
+					out.write(data);
+				}
+
+				for (int i = 0; i < 1000; i++) {
+					for (int j = 0; j < data.length; j++) {
+						bytes.add(data[j]);
+					}
+					out.write(data);
+				}
+
+				out.close();
+
+				byte[] abytes = new byte[bytes.size()];
+				for (int i = 0; i < bytes.size(); i++) {
+					abytes[i] = bytes.get(i);
+				}
+
+				checkArrays(this, "FIRST", bout, abytes);
+			}
+		});
+	}
+
+	static void checkArrays(TestCase test, String prefix,
+			ByteArrayOutputStream bout, byte[] expected) throws Exception {
+		byte[] actual = bout.toByteArray();
+
+		if (false) {
+			System.out.print("\nExpected data: [ ");
+			for (int i = 0; i < expected.length; i++) {
+				if (i > 0)
+					System.out.print(", ");
+				System.out.print(expected[i]);
+			}
+			System.out.println(" ]");
+
+			System.out.print("Actual data  : [ ");
+			for (int i = 0; i < actual.length; i++) {
+				if (i > 0)
+					System.out.print(", ");
+				System.out.print(actual[i]);
+			}
+			System.out.println(" ]");
+		}
+
+		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(prefix + ": item " + i
+					+ " (0-based) is not the same", expected[i], actual[i]);
+		}
+	}
+}