import static org.hamcrest.CoreMatchers.allOf;

import static org.hamcrest.CoreMatchers.anyOf;

import static org.hamcrest.CoreMatchers.both;

import static org.hamcrest.CoreMatchers.containsString;

import static org.hamcrest.CoreMatchers.equalTo;

import static org.hamcrest.CoreMatchers.everyItem;

import static org.hamcrest.CoreMatchers.hasItems;

import static org.hamcrest.CoreMatchers.not;

import static org.hamcrest.CoreMatchers.sameInstance;

import static org.hamcrest.CoreMatchers.startsWith;

import static org.junit.Assert.assertArrayEquals;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertNotSame;

import static org.junit.Assert.assertNull;

import static org.junit.Assert.assertSame;

import static org.junit.Assert.assertThat;

import static org.junit.Assert.assertTrue;

import java.util.Arrays;

import org.hamcrest.core.CombinableMatcher;

import org.junit.Test;

public class AssertTests {

  @Test

  public void testAssertArrayEquals() {

    byte[] expected = "trial".getBytes();

    byte[] actual = "trial".getBytes();

    assertArrayEquals("failure - byte arrays not same", expected, actual);

  }

  @Test

  public void testAssertEquals() {

    assertEquals("failure - strings are not equal", "text", "text");

  }

  @Test

  public void testAssertFalse() {

    assertFalse("failure - should be false", false);

  }

  @Test

  public void testAssertNotNull() {

    assertNotNull("should not be null", new Object());

  }

  @Test

  public void testAssertNotSame() {

    assertNotSame("should not be same Object", new Object(), new Object());

  }

  @Test

  public void testAssertNull() {

    assertNull("should be null", null);

  }

  @Test

  public void testAssertSame() {

    Integer aNumber = Integer.valueOf(768);

    assertSame("should be same", aNumber, aNumber);

  }

  // JUnit Matchers assertThat

  @Test

  public void testAssertThatBothContainsString() {

    assertThat("albumen", both(containsString("a")).and(containsString("b")));

  }

  @Test

  public void testAssertThatHasItems() {

    assertThat(Arrays.asList("one", "two", "three"), hasItems("one", "three"));

  }

  @Test

  public void testAssertThatEveryItemContainsString() {

    assertThat(Arrays.asList(new String[] { "fun", "ban", "net" }), everyItem(containsString("n")));

  }

  // Core Hamcrest Matchers with assertThat

  @Test

  public void testAssertThatHamcrestCoreMatchers() {

    assertThat("good", allOf(equalTo("good"), startsWith("good")));

    assertThat("good", not(allOf(equalTo("bad"), equalTo("good"))));

    assertThat("good", anyOf(equalTo("bad"), equalTo("good")));

    assertThat(7, not(CombinableMatcher.<Integer> either(equalTo(3)).or(equalTo(4))));

    assertThat(new Object(), not(sameInstance(new Object())));

  }

  @Test

  public void testAssertTrue() {

    assertTrue("failure - should be true", true);

  }

}