Examples with MemoryCMARW io.questdb.cairo.vm.api.MemoryCMARW used on opensource projects

Example 11 with MemoryCMARW

use of io.questdb.cairo.vm.api.MemoryCMARW in project questdb by bluestreak01.

the class BinarySearchTest method testFindForwardBeforeRange.

@Test
public void testFindForwardBeforeRange() throws Exception {
    assertMemoryLeak(() -> {
        try (Path path = new Path()) {
            path.of(root).concat("binsearch.d").$();
            try (MemoryCMARW appendMem = Vm.getSmallCMARWInstance(FilesFacadeImpl.INSTANCE, path, MemoryTag.MMAP_DEFAULT)) {
                for (int i = 0; i < 100; i++) {
                    for (int j = 0; j < 3; j++) {
                        appendMem.putLong(i);
                    }
                }
                long max = 100 * 3 - 1;
                try (MemoryMR mem = Vm.getMRInstance(FilesFacadeImpl.INSTANCE, path, 400 * Long.BYTES, MemoryTag.MMAP_DEFAULT)) {
                    long index = BinarySearch.find(mem, -20, 0, max, BinarySearch.SCAN_DOWN);
                    Assert.assertEquals(-1, index);
                }
            }
        }
    });
}