--- /dev/null
+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]);
+ }
+ }
+}