/*
 * Copyright 2017, Yahoo! Inc. Licensed under the terms of the
 * Apache License 2.0. See LICENSE file at the project root for terms.
 */

package com.yahoo.memory;

import static com.yahoo.memory.UnsafeUtil.ARRAY_DOUBLE_INDEX_SCALE;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;

import org.testng.annotations.Test;

public class BaseStateTest {

  @Test
  public void checkPrimOffset() {
    int off = (int)Prim.BYTE.off();
    assertTrue(off > 0);
  }

  @Test
  public void checkIsSameResource() {
    WritableMemory wmem = WritableMemory.allocate(16);
    Memory mem = wmem;
    assertFalse(wmem.isSameResource(null));
    assertTrue(wmem.isSameResource(mem));

    WritableBuffer wbuf = wmem.asWritableBuffer();
    Buffer buf = wbuf;
    assertFalse(wbuf.isSameResource(null));
    assertTrue(wbuf.isSameResource(buf));
  }

  @Test
  public void checkNotEqualTo() {
    byte[] arr = new byte[8];
    Memory mem = Memory.wrap(arr);
    assertFalse(mem.equalTo(0, arr, 0, 8));
  }

  //StepBoolean checks
  @Test
  public void checkStepBoolean() {
    checkStepBoolean(true);
    checkStepBoolean(false);
  }

  private static void checkStepBoolean(boolean initialState) {
    StepBoolean step = new StepBoolean(initialState);
    assertTrue(step.get() == initialState); //confirm initialState
    step.change();
    assertTrue(step.hasChanged());      //1st change was successful
    assertTrue(step.get() != initialState); //confirm it is different from initialState
    step.change();
    assertTrue(step.get() != initialState); //Still different from initialState
    assertTrue(step.hasChanged());  //confirm it was changed from initialState value
  }

  @Test
  public void checkPrim() {
    assertEquals(Prim.DOUBLE.scale(), ARRAY_DOUBLE_INDEX_SCALE);
  }


  @Test
  public void printlnTest() {
    println("PRINTING: "+this.getClass().getName());
  }

  /**
   * @param s value to print
   */
  static void println(String s) {
    //System.out.println(s); //disable here
  }

}

@@ -1855,16 +1855,180 @@
 );%0A  %7D%0A%0A
+  @Test%0A  public void checkGetNativeBaseOffset_Heap() %7B%0A    WritableMemory wmem = WritableMemory.allocate(8);%0A    assertEquals(wmem.getNativeBaseOffset(), 0L);%0A  %7D%0A
 %0A  @Test

Add unit test.