Enable more of the POIFS DocumetnInputStream tests to check NPOIFS as well
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1131988 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch
parent
e9249b28c2
commit
f93b671b69
@ -191,232 +191,226 @@ public final class TestDocumentInputStream extends TestCase {
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* test simple read method
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*/
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public void testReadSingleByte() throws IOException {
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DocumentInputStream stream = new DocumentInputStream(_workbook_o);
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int remaining = _workbook_size;
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DocumentInputStream[] streams = new DocumentInputStream[] {
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new DocumentInputStream(_workbook_o),
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new NDocumentInputStream(_workbook_n)
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};
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for(DocumentInputStream stream : streams) {
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int remaining = _workbook_size;
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for (int j = 0; j < _workbook_size; j++)
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{
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int b = stream.read();
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assertTrue("checking sign of " + j, b >= 0);
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assertEquals("validating byte " + j, _workbook_data[ j ],
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( byte ) b);
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remaining--;
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assertEquals("checking remaining after reading byte " + j,
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remaining, stream.available());
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}
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assertEquals(-1, stream.read());
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stream.close();
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try
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{
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stream.read();
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fail("Should have caught IOException");
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}
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catch (IOException ignored)
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{
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// as expected
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}
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// Try and read each byte in turn
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for (int j = 0; j < _workbook_size; j++) {
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int b = stream.read();
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assertTrue("checking sign of " + j, b >= 0);
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assertEquals("validating byte " + j, _workbook_data[ j ],
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( byte ) b);
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remaining--;
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assertEquals("checking remaining after reading byte " + j,
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remaining, stream.available());
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}
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// Ensure we fell off the end
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assertEquals(-1, stream.read());
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// Check that after close we can no longer read
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stream.close();
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try {
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stream.read();
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fail("Should have caught IOException");
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} catch (IOException ignored) {
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// as expected
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}
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}
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}
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/**
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* Test buffered read
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*/
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public void testBufferRead() throws IOException {
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DocumentInputStream stream = new DocumentInputStream(_workbook_o);
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DocumentInputStream[] streams = new DocumentInputStream[] {
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new DocumentInputStream(_workbook_o),
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new NDocumentInputStream(_workbook_n)
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};
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for(DocumentInputStream stream : streams) {
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// Need to give a byte array to read
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try {
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stream.read(null);
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fail("Should have caught NullPointerException");
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} catch (NullPointerException ignored) {
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// as expected
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}
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try
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{
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stream.read(null);
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fail("Should have caught NullPointerException");
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}
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catch (NullPointerException ignored)
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{
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// test reading zero length buffer
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assertEquals(0, stream.read(new byte[ 0 ]));
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assertEquals(_workbook_size, stream.available());
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byte[] buffer = new byte[ _buffer_size ];
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int offset = 0;
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// as expected
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}
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// test reading zero length buffer
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assertEquals(0, stream.read(new byte[ 0 ]));
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assertEquals(_workbook_size, stream.available());
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byte[] buffer = new byte[ _buffer_size ];
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int offset = 0;
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while (stream.available() >= buffer.length)
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{
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assertEquals(_buffer_size, stream.read(buffer));
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for (int j = 0; j < buffer.length; j++)
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{
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while (stream.available() >= buffer.length)
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{
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assertEquals(_buffer_size, stream.read(buffer));
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for (int j = 0; j < buffer.length; j++)
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{
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assertEquals("in main loop, byte " + offset,
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_workbook_data[ offset ], buffer[ j ]);
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_workbook_data[ offset ], buffer[ j ]);
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offset++;
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}
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assertEquals("offset " + offset, _workbook_size - offset,
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stream.available());
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}
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assertEquals(_workbook_size % _buffer_size, stream.available());
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Arrays.fill(buffer, ( byte ) 0);
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int count = stream.read(buffer);
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}
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assertEquals("offset " + offset, _workbook_size - offset,
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stream.available());
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}
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assertEquals(_workbook_size % _buffer_size, stream.available());
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Arrays.fill(buffer, ( byte ) 0);
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int count = stream.read(buffer);
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assertEquals(_workbook_size % _buffer_size, count);
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for (int j = 0; j < count; j++)
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{
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assertEquals("past main loop, byte " + offset,
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_workbook_data[ offset ], buffer[ j ]);
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offset++;
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}
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assertEquals(_workbook_size, offset);
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for (int j = count; j < buffer.length; j++)
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{
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assertEquals("checking remainder, byte " + j, 0, buffer[ j ]);
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}
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assertEquals(-1, stream.read(buffer));
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stream.close();
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try
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{
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stream.read(buffer);
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fail("Should have caught IOException");
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}
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catch (IOException ignored)
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{
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// as expected
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}
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assertEquals(_workbook_size % _buffer_size, count);
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for (int j = 0; j < count; j++)
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{
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assertEquals("past main loop, byte " + offset,
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_workbook_data[ offset ], buffer[ j ]);
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offset++;
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}
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assertEquals(_workbook_size, offset);
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for (int j = count; j < buffer.length; j++)
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{
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assertEquals("checking remainder, byte " + j, 0, buffer[ j ]);
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}
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assertEquals(-1, stream.read(buffer));
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stream.close();
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try {
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stream.read(buffer);
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fail("Should have caught IOException");
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} catch (IOException ignored) {
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// as expected
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}
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}
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}
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/**
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* Test complex buffered read
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*/
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public void testComplexBufferRead() throws IOException {
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DocumentInputStream stream = new DocumentInputStream(_workbook_o);
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DocumentInputStream[] streams = new DocumentInputStream[] {
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new DocumentInputStream(_workbook_o),
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new NDocumentInputStream(_workbook_n)
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};
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for(DocumentInputStream stream : streams) {
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try {
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stream.read(null, 0, 1);
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fail("Should have caught NullPointerException");
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} catch (IllegalArgumentException ignored) {
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// as expected
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}
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try {
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stream.read(null, 0, 1);
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fail("Should have caught NullPointerException");
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} catch (IllegalArgumentException ignored) {
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// as expected
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}
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// test illegal offsets and lengths
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try {
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stream.read(new byte[ 5 ], -4, 0);
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fail("Should have caught IndexOutOfBoundsException");
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} catch (IndexOutOfBoundsException ignored) {
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// as expected
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}
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try {
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stream.read(new byte[ 5 ], 0, -4);
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fail("Should have caught IndexOutOfBoundsException");
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} catch (IndexOutOfBoundsException ignored) {
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// as expected
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}
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try {
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stream.read(new byte[ 5 ], 0, 6);
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fail("Should have caught IndexOutOfBoundsException");
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} catch (IndexOutOfBoundsException ignored) {
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// as expected
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}
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// test illegal offsets and lengths
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try
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{
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stream.read(new byte[ 5 ], -4, 0);
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fail("Should have caught IndexOutOfBoundsException");
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}
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catch (IndexOutOfBoundsException ignored)
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{
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// test reading zero
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assertEquals(0, stream.read(new byte[ 5 ], 0, 0));
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assertEquals(_workbook_size, stream.available());
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byte[] buffer = new byte[ _workbook_size ];
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int offset = 0;
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// as expected
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}
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try
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{
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stream.read(new byte[ 5 ], 0, -4);
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fail("Should have caught IndexOutOfBoundsException");
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}
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catch (IndexOutOfBoundsException ignored)
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{
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// as expected
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}
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try
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{
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stream.read(new byte[ 5 ], 0, 6);
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fail("Should have caught IndexOutOfBoundsException");
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}
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catch (IndexOutOfBoundsException ignored)
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{
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// as expected
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}
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// test reading zero
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assertEquals(0, stream.read(new byte[ 5 ], 0, 0));
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assertEquals(_workbook_size, stream.available());
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byte[] buffer = new byte[ _workbook_size ];
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int offset = 0;
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while (stream.available() >= _buffer_size)
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{
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Arrays.fill(buffer, ( byte ) 0);
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assertEquals(_buffer_size,
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stream.read(buffer, offset, _buffer_size));
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for (int j = 0; j < offset; j++)
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{
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while (stream.available() >= _buffer_size)
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{
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Arrays.fill(buffer, ( byte ) 0);
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assertEquals(_buffer_size,
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stream.read(buffer, offset, _buffer_size));
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for (int j = 0; j < offset; j++)
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{
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assertEquals("checking byte " + j, 0, buffer[ j ]);
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}
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for (int j = offset; j < (offset + _buffer_size); j++)
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{
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}
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for (int j = offset; j < (offset + _buffer_size); j++)
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{
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assertEquals("checking byte " + j, _workbook_data[ j ],
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buffer[ j ]);
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}
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for (int j = offset + _buffer_size; j < buffer.length; j++)
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{
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buffer[ j ]);
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}
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for (int j = offset + _buffer_size; j < buffer.length; j++)
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{
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assertEquals("checking byte " + j, 0, buffer[ j ]);
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}
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offset += _buffer_size;
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assertEquals("offset " + offset, _workbook_size - offset,
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stream.available());
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}
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assertEquals(_workbook_size % _buffer_size, stream.available());
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Arrays.fill(buffer, ( byte ) 0);
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int count = stream.read(buffer, offset,
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_workbook_size % _buffer_size);
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}
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offset += _buffer_size;
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assertEquals("offset " + offset, _workbook_size - offset,
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stream.available());
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}
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assertEquals(_workbook_size % _buffer_size, stream.available());
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Arrays.fill(buffer, ( byte ) 0);
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int count = stream.read(buffer, offset,
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_workbook_size % _buffer_size);
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assertEquals(_workbook_size % _buffer_size, count);
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for (int j = 0; j < offset; j++)
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{
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assertEquals("checking byte " + j, 0, buffer[ j ]);
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}
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for (int j = offset; j < buffer.length; j++)
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{
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assertEquals("checking byte " + j, _workbook_data[ j ],
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buffer[ j ]);
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}
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assertEquals(_workbook_size, offset + count);
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for (int j = count; j < offset; j++)
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{
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assertEquals("byte " + j, 0, buffer[ j ]);
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}
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assertEquals(-1, stream.read(buffer, 0, 1));
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stream.close();
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try
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{
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stream.read(buffer, 0, 1);
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fail("Should have caught IOException");
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}
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catch (IOException ignored)
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{
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// as expected
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}
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assertEquals(_workbook_size % _buffer_size, count);
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for (int j = 0; j < offset; j++)
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{
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assertEquals("checking byte " + j, 0, buffer[ j ]);
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}
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for (int j = offset; j < buffer.length; j++)
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{
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assertEquals("checking byte " + j, _workbook_data[ j ],
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buffer[ j ]);
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}
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assertEquals(_workbook_size, offset + count);
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for (int j = count; j < offset; j++)
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{
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assertEquals("byte " + j, 0, buffer[ j ]);
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}
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assertEquals(-1, stream.read(buffer, 0, 1));
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stream.close();
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try {
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stream.read(buffer, 0, 1);
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fail("Should have caught IOException");
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} catch (IOException ignored) {
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// as expected
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}
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}
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}
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/**
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* Tests that we can skip within the stream
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*/
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public void testSkip() throws IOException {
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DocumentInputStream stream = new DocumentInputStream(_workbook_o);
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DocumentInputStream[] streams = new DocumentInputStream[] {
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new DocumentInputStream(_workbook_o),
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new NDocumentInputStream(_workbook_n)
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};
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for(DocumentInputStream stream : streams) {
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assertEquals(_workbook_size, stream.available());
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int count = stream.available();
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assertEquals(_workbook_size, stream.available());
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int count = stream.available();
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while (stream.available() >= _buffer_size)
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{
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assertEquals(_buffer_size, stream.skip(_buffer_size));
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count -= _buffer_size;
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assertEquals(count, stream.available());
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}
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assertEquals(_workbook_size % _buffer_size,
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stream.skip(_buffer_size));
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assertEquals(0, stream.available());
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stream.reset();
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assertEquals(_workbook_size, stream.available());
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assertEquals(_workbook_size, stream.skip(_workbook_size * 2));
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assertEquals(0, stream.available());
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stream.reset();
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assertEquals(_workbook_size, stream.available());
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assertEquals(_workbook_size,
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stream.skip(2 + ( long ) Integer.MAX_VALUE));
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assertEquals(0, stream.available());
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while (stream.available() >= _buffer_size) {
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assertEquals(_buffer_size, stream.skip(_buffer_size));
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count -= _buffer_size;
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assertEquals(count, stream.available());
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}
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assertEquals(_workbook_size % _buffer_size,
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stream.skip(_buffer_size));
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assertEquals(0, stream.available());
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stream.reset();
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assertEquals(_workbook_size, stream.available());
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assertEquals(_workbook_size, stream.skip(_workbook_size * 2));
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assertEquals(0, stream.available());
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stream.reset();
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assertEquals(_workbook_size, stream.available());
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assertEquals(_workbook_size,
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stream.skip(2 + ( long ) Integer.MAX_VALUE));
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assertEquals(0, stream.available());
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}
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}
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/**
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