/** Test <code>void read()</code>. */ @Test public void readTest1() throws IOException { for (int k = 100; k <= 200; k += 33) { for (WriteType op : WriteType.values()) { int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k); TachyonFile file = mTfs.getFile(fileId); InStream is = (k < 150 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); byte[] ret = new byte[k]; int value = is.read(); int cnt = 0; while (value != -1) { ret[cnt++] = (byte) value; value = is.read(); } Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret)); is.close(); is = (k < 150 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); ret = new byte[k]; value = is.read(); cnt = 0; while (value != -1) { ret[cnt++] = (byte) value; value = is.read(); } Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret)); is.close(); } } }
/** Test <code>long skip(long len)</code>. */ @Test public void skipTest() throws IOException { for (int k = 10; k <= 200; k += 33) { for (WriteType op : WriteType.values()) { int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k); TachyonFile file = mTfs.getFile(fileId); InStream is = (k < 100 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); Assert.assertEquals(k / 2, is.skip(k / 2)); Assert.assertEquals(k / 2, is.read()); is.close(); is = (k < 100 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); int t = k / 3; Assert.assertEquals(t, is.skip(t)); Assert.assertEquals(t, is.read()); Assert.assertEquals(t, is.skip(t)); Assert.assertEquals((byte) (2 * t + 1), is.read()); is.close(); } } }
/** Test <code>void read(byte[] b, int off, int len)</code>. */ @Test public void readTest3() throws IOException { for (int k = 100; k <= 300; k += 33) { for (WriteType op : WriteType.values()) { int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k); TachyonFile file = mTfs.getFile(fileId); InStream is = (k < 200 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); byte[] ret = new byte[k / 2]; Assert.assertEquals(k / 2, is.read(ret, 0, k / 2)); Assert.assertTrue(TestUtils.equalIncreasingByteArray(k / 2, ret)); is.close(); is = (k < 200 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE)); Assert.assertTrue(is instanceof BlockInStream); ret = new byte[k]; Assert.assertEquals(k, is.read(ret, 0, k)); Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret)); is.close(); } } }