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-rw-r--r--src/testcases/org/apache/poi/poifs/storage/TestBATBlock.java433
1 files changed, 247 insertions, 186 deletions
diff --git a/src/testcases/org/apache/poi/poifs/storage/TestBATBlock.java b/src/testcases/org/apache/poi/poifs/storage/TestBATBlock.java
index 72afb0346b..10689b2e21 100644
--- a/src/testcases/org/apache/poi/poifs/storage/TestBATBlock.java
+++ b/src/testcases/org/apache/poi/poifs/storage/TestBATBlock.java
@@ -37,7 +37,7 @@ public final class TestBATBlock {
@Test
public void testEntriesPerBlock() {
- assertEquals(128, POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS.getBATEntriesPerBlock());
+ assertEquals(128, POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS.getBATEntriesPerBlock());
}
@Test
@@ -52,81 +52,81 @@ public final class TestBATBlock {
@Test
public void testCalculateMaximumSize() {
- // Zero fat blocks isn't technically valid, but it'd be header only
- assertEquals(
- 512,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 0)
- );
- assertEquals(
- 4096,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 0)
- );
-
- // A single FAT block can address 128/1024 blocks
- assertEquals(
- 512 + 512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 1)
- );
- assertEquals(
- 4096 + 4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 1)
- );
-
- assertEquals(
- 512 + 4*512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 4)
- );
- assertEquals(
- 4096 + 4*4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 4)
- );
-
- // One XBAT block holds 127/1023 individual BAT blocks, so they can address
- // a fairly hefty amount of space themselves
- // However, the BATs continue as before
- assertEquals(
- 512 + 109*512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 109)
- );
- assertEquals(
- 4096 + 109*4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 109)
- );
-
- assertEquals(
- 512 + 110*512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 110)
- );
- assertEquals(
- 4096 + 110*4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 110)
- );
-
- assertEquals(
- 512 + 112*512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 112)
- );
- assertEquals(
- 4096 + 112*4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 112)
- );
-
- // Check for >2gb, which we only support via a File
- assertEquals(
- 512 + 8030L *512*128,
- BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 8030)
- );
- assertEquals(
- 4096 + 8030L *4096*1024,
- BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 8030)
- );
+ // Zero fat blocks isn't technically valid, but it'd be header only
+ assertEquals(
+ 512,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 0)
+ );
+ assertEquals(
+ 4096,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 0)
+ );
+
+ // A single FAT block can address 128/1024 blocks
+ assertEquals(
+ 512 + 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 1)
+ );
+ assertEquals(
+ 4096 + 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 1)
+ );
+
+ assertEquals(
+ 512 + 4 * 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 4)
+ );
+ assertEquals(
+ 4096 + 4 * 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 4)
+ );
+
+ // One XBAT block holds 127/1023 individual BAT blocks, so they can address
+ // a fairly hefty amount of space themselves
+ // However, the BATs continue as before
+ assertEquals(
+ 512 + 109 * 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 109)
+ );
+ assertEquals(
+ 4096 + 109 * 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 109)
+ );
+
+ assertEquals(
+ 512 + 110 * 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 110)
+ );
+ assertEquals(
+ 4096 + 110 * 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 110)
+ );
+
+ assertEquals(
+ 512 + 112 * 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 112)
+ );
+ assertEquals(
+ 4096 + 112 * 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 112)
+ );
+
+ // Check for >2gb, which we only support via a File
+ assertEquals(
+ 512 + 8030L * 512 * 128,
+ BATBlock.calculateMaximumSize(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS, 8030)
+ );
+ assertEquals(
+ 4096 + 8030L * 4096 * 1024,
+ BATBlock.calculateMaximumSize(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS, 8030)
+ );
}
@Test
public void testUsedSectors() {
POIFSBigBlockSize b512 = POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS;
POIFSBigBlockSize b4096 = POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS;
-
+
// Try first with 512 block sizes, which can hold 128 entries
BATBlock block512 = BATBlock.createEmptyBATBlock(b512, false);
assertTrue(block512.hasFreeSectors());
@@ -138,36 +138,36 @@ public final class TestBATBlock {
block512.setValueAt(20, 42);
assertTrue(block512.hasFreeSectors());
assertEquals(3, block512.getUsedSectors(false));
-
+
// Allocate all
- for (int i=0; i<b512.getBATEntriesPerBlock(); i++) {
+ for (int i = 0; i < b512.getBATEntriesPerBlock(); i++) {
block512.setValueAt(i, 82);
}
// Check
assertFalse(block512.hasFreeSectors());
assertEquals(128, block512.getUsedSectors(false));
assertEquals(127, block512.getUsedSectors(true));
-
+
// Release one
block512.setValueAt(10, POIFSConstants.UNUSED_BLOCK);
assertTrue(block512.hasFreeSectors());
assertEquals(127, block512.getUsedSectors(false));
assertEquals(126, block512.getUsedSectors(true));
-
-
+
+
// Now repeat with 4096 block sizes
BATBlock block4096 = BATBlock.createEmptyBATBlock(b4096, false);
assertTrue(block4096.hasFreeSectors());
assertEquals(0, block4096.getUsedSectors(false));
-
+
block4096.setValueAt(0, 42);
block4096.setValueAt(10, 42);
block4096.setValueAt(20, 42);
assertTrue(block4096.hasFreeSectors());
assertEquals(3, block4096.getUsedSectors(false));
-
+
// Allocate all
- for (int i=0; i<b4096.getBATEntriesPerBlock(); i++) {
+ for (int i = 0; i < b4096.getBATEntriesPerBlock(); i++) {
block4096.setValueAt(i, 82);
}
// Check
@@ -177,114 +177,175 @@ public final class TestBATBlock {
}
@Test
+ public void testOccupiedSize() {
+ POIFSBigBlockSize b512 = POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS;
+ POIFSBigBlockSize b4096 = POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS;
+
+ // Try first with 512 block sizes, which can hold 128 entries
+ BATBlock block512 = BATBlock.createEmptyBATBlock(b512, false);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(0, block512.getUsedSectors(false));
+
+ // Allocate a few
+ block512.setValueAt(0, 42);
+ block512.setValueAt(10, 42);
+ block512.setValueAt(20, 42);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(21, block512.getOccupiedSize());
+
+ // Release one in the middle should not lower size
+ block512.setValueAt(10, POIFSConstants.UNUSED_BLOCK);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(21, block512.getOccupiedSize());
+
+ // Release the last one should lower the size
+ block512.setValueAt(20, POIFSConstants.UNUSED_BLOCK);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(1, block512.getOccupiedSize());
+
+ // Release first one should lower the size
+ block512.setValueAt(0, POIFSConstants.UNUSED_BLOCK);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(0, block512.getOccupiedSize());
+
+ // Set the last one
+ block512.setValueAt(127, 42);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(128, block512.getOccupiedSize());
+
+ block512.setValueAt(126, 42);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(128, block512.getOccupiedSize());
+
+ block512.setValueAt(127, POIFSConstants.UNUSED_BLOCK);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(127, block512.getOccupiedSize());
+
+ // Allocate all
+ for (int i = 0; i < b512.getBATEntriesPerBlock(); i++) {
+ block512.setValueAt(i, 82);
+ }
+ // Check
+ assertFalse(block512.hasFreeSectors());
+ assertEquals(128, block512.getOccupiedSize());
+
+ // Release some in the beginning should not lower size
+ block512.setValueAt(0, POIFSConstants.UNUSED_BLOCK);
+ block512.setValueAt(1, POIFSConstants.UNUSED_BLOCK);
+ block512.setValueAt(13, POIFSConstants.UNUSED_BLOCK);
+ assertTrue(block512.hasFreeSectors());
+ assertEquals(128, block512.getOccupiedSize());
+ }
+
+ @Test
public void testGetBATBlockAndIndex() {
- HeaderBlock header = new HeaderBlock(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS);
- List<BATBlock> blocks = new ArrayList<>();
- int offset;
-
-
- // First, try a one BAT block file
- header.setBATCount(1);
- blocks.add(
- BATBlock.createBATBlock(header.getBigBlockSize(), ByteBuffer.allocate(512))
- );
-
- offset = 0;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1;
- assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 127;
- assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
-
- // Now go for one with multiple BAT blocks
- header.setBATCount(2);
- blocks.add(
- BATBlock.createBATBlock(header.getBigBlockSize(), ByteBuffer.allocate(512))
- );
-
- offset = 0;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 127;
- assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 128;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 129;
- assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
-
- // The XBAT count makes no difference, as we flatten in memory
- header.setBATCount(1);
- header.setXBATCount(1);
- offset = 0;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 126;
- assertEquals(126, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 127;
- assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 128;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 129;
- assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
-
- // Check with the bigger block size too
- header = new HeaderBlock(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS);
-
- offset = 0;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1022;
- assertEquals(1022, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1023;
- assertEquals(1023, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1024;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- // Biggr block size, back to real BATs
- header.setBATCount(2);
-
- offset = 0;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1022;
- assertEquals(1022, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1023;
- assertEquals(1023, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(0, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
-
- offset = 1024;
- assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
- assertEquals(1, blocks.indexOf( BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock() ));
+ HeaderBlock header = new HeaderBlock(POIFSConstants.SMALLER_BIG_BLOCK_SIZE_DETAILS);
+ List<BATBlock> blocks = new ArrayList<>();
+ int offset;
+
+
+ // First, try a one BAT block file
+ header.setBATCount(1);
+ blocks.add(
+ BATBlock.createBATBlock(header.getBigBlockSize(), ByteBuffer.allocate(512))
+ );
+
+ offset = 0;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1;
+ assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 127;
+ assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+
+ // Now go for one with multiple BAT blocks
+ header.setBATCount(2);
+ blocks.add(
+ BATBlock.createBATBlock(header.getBigBlockSize(), ByteBuffer.allocate(512))
+ );
+
+ offset = 0;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 127;
+ assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 128;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 129;
+ assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+
+ // The XBAT count makes no difference, as we flatten in memory
+ header.setBATCount(1);
+ header.setXBATCount(1);
+ offset = 0;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 126;
+ assertEquals(126, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 127;
+ assertEquals(127, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 128;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 129;
+ assertEquals(1, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+
+ // Check with the bigger block size too
+ header = new HeaderBlock(POIFSConstants.LARGER_BIG_BLOCK_SIZE_DETAILS);
+
+ offset = 0;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1022;
+ assertEquals(1022, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1023;
+ assertEquals(1023, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1024;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ // Biggr block size, back to real BATs
+ header.setBATCount(2);
+
+ offset = 0;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1022;
+ assertEquals(1022, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1023;
+ assertEquals(1023, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(0, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
+
+ offset = 1024;
+ assertEquals(0, BATBlock.getBATBlockAndIndex(offset, header, blocks).getIndex());
+ assertEquals(1, blocks.indexOf(BATBlock.getBATBlockAndIndex(offset, header, blocks).getBlock()));
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 16:36:52 +0000