Examples with IMemoryRange com.ibm.j9ddr.corereaders.memory.IMemoryRange used on opensource projects

Example 16 with IMemoryRange

use of com.ibm.j9ddr.corereaders.memory.IMemoryRange in project openj9 by eclipse.

the class TestAbstractMemory method testOverlap.

@Test
public void testOverlap() {
    IMemoryRange a = null;
    IMemoryRange b = null;
    // A & B don't overlap
    a = new UnbackedMemorySource(0x100, 0x100, "");
    b = new UnbackedMemorySource(0x200, 0x100, "");
    assertFalse(a.overlaps(b));
    assertFalse(b.overlaps(a));
    // End of A overlaps start of B
    a = new UnbackedMemorySource(0x100, 0x101, "");
    b = new UnbackedMemorySource(0x200, 0x100, "");
    assertTrue(a.overlaps(b));
    // Start of B overlaps end of A
    assertTrue(b.overlaps(a));
    a = new UnbackedMemorySource(0x100, 0x300, "");
    b = new UnbackedMemorySource(0x200, 0x100, "");
    // B is a sub range of A
    assertTrue(a.overlaps(b));
    assertTrue(b.overlaps(a));
    a = new MockMemorySource(new byte[] { 0xB }, 0, 0x200, 0x100);
    b = new MockMemorySource(new byte[] { 0xC }, 0, 0x200, 0x150);
    assertTrue(a.overlaps(b));
    assertTrue(b.overlaps(a));
}