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

Example 46 with MemoryARW

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

the class MemoryCARWImplTest method testStrRnd.

private void testStrRnd(long offset, long pageSize) {
    Rnd rnd = new Rnd();
    int N = 1000;
    final int M = 4;
    try (MemoryARW mem = new MemoryCARWImpl(pageSize, Integer.MAX_VALUE, MemoryTag.NATIVE_DEFAULT)) {
        long o = offset;
        for (int i = 0; i < N; i++) {
            int flag = rnd.nextInt();
            if ((flag % 4) == 0) {
                mem.putStr(o, null);
                o += 4;
            } else if ((flag % 2) == 0) {
                mem.putStr(o, "");
                o += 4;
            } else {
                mem.putStr(o, rnd.nextChars(M));
                o += M * 2 + 4;
            }
        }
        rnd.reset();
        o = offset;
        for (int i = 0; i < N; i++) {
            int flag = rnd.nextInt();
            if ((flag % 4) == 0) {
                assertNull(mem.getStr(o));
                o += 4;
            } else if ((flag % 2) == 0) {
                TestUtils.assertEquals("", mem.getStr(o));
                o += 4;
            } else {
                TestUtils.assertEquals(rnd.nextChars(M), mem.getStr(o));
                o += M * 2 + 4;
            }
        }
    }
}

Example 47 with MemoryARW

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

the class MemoryCARWImplTest method testLong256ObjExternallySequenced.

@Test
public void testLong256ObjExternallySequenced() {
    long pageSize = 64;
    Rnd rnd = new Rnd();
    long offset = 0;
    Long256Impl long256 = new Long256Impl();
    try (MemoryARW mem = new MemoryCARWImpl(pageSize, Integer.MAX_VALUE, MemoryTag.NATIVE_DEFAULT)) {
        for (int i = 0; i < 1000; i++) {
            long256.fromRnd(rnd);
            mem.putLong256(offset, long256);
            offset += Long256.BYTES;
        }
        rnd.reset();
        offset = 0;
        for (int i = 0; i < 1000; i++) {
            mem.getLong256(offset, long256);
            offset += Long256.BYTES;
            Assert.assertEquals(rnd.nextLong(), long256.getLong0());
            Assert.assertEquals(rnd.nextLong(), long256.getLong1());
            Assert.assertEquals(rnd.nextLong(), long256.getLong2());
            Assert.assertEquals(rnd.nextLong(), long256.getLong3());
        }
    }
}

Example 48 with MemoryARW

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

the class MemoryCARWImplTest method testIntCompatibility.

@Test
public void testIntCompatibility() {
    long pageSize = 64;
    try (MemoryARW mem = new MemoryCARWImpl(pageSize, Integer.MAX_VALUE, MemoryTag.NATIVE_DEFAULT)) {
        mem.putInt(1024);
        mem.putInt(2048);
        assertEquals(1024, mem.getInt(0));
        assertEquals(2048, mem.getInt(4));
    }
}

Example 49 with MemoryARW

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

the class MemoryCARWImplTest method testDoubleRnd.

@Test
public void testDoubleRnd() {
    try (MemoryARW mem = new MemoryCARWImpl(11, Integer.MAX_VALUE, MemoryTag.NATIVE_DEFAULT)) {
        Rnd rnd = new Rnd();
        int n = 999;
        long o = 1;
        mem.putByte((byte) 1);
        for (int i = 0; i < n; i++) {
            mem.putDouble(o, rnd.nextDouble());
            o += 8;
        }
        rnd.reset();
        o = 1;
        assertEquals(1, mem.getByte(0));
        for (int i = 0; i < n; i++) {
            assertEquals(rnd.nextDouble(), mem.getDouble(o), 0.00001);
            o += 8;
        }
    }
}

Example 50 with MemoryARW

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

the class MemoryCARWImplTest method testLongCompatibility.

@Test
public void testLongCompatibility() {
    long pageSize = 64;
    try (MemoryARW mem = new MemoryCARWImpl(pageSize, Integer.MAX_VALUE, MemoryTag.NATIVE_DEFAULT)) {
        mem.putLong(8980980284302834L);
        mem.putLong(897928374972983477L);
        assertEquals(8980980284302834L, mem.getLong(0));
        assertEquals(897928374972983477L, mem.getLong(8));
    }
}