Add 'src/be/nikiroo/utils/' from commit '46add0670fdee4bd936a13fe2448c5e20a7ffd0a'
[fanfix.git] / src / be / nikiroo / utils / test_code / BufferedOutputStreamTest.java
diff --git a/src/be/nikiroo/utils/test_code/BufferedOutputStreamTest.java b/src/be/nikiroo/utils/test_code/BufferedOutputStreamTest.java
new file mode 100644 (file)
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+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]);
+               }
+       }
+}