SimpleOperations1.java

package jetbrains.mps.baseLanguage.collections.unittest.simple_operations;

/*Generated by MPS */

import junit.framework.TestCase;
import jetbrains.mps.internal.collections.runtime.Sequence;
import java.util.Collections;
import junit.framework.Assert;
import jetbrains.mps.internal.collections.runtime.ISequenceClosure;
import java.util.Iterator;
import jetbrains.mps.baseLanguage.closures.runtime.YieldingIterator;
import java.util.List;
import jetbrains.mps.internal.collections.runtime.ListSequence;
import java.util.ArrayList;

public class SimpleOperations1 extends TestCase {
  public SimpleOperations1() {
  }
  public void test_S1() {
    Iterable<Object> S = Sequence.fromIterable(Collections.<Object>emptyList());
    Assert.assertEquals(null, Sequence.fromIterable(S).first());
    Assert.assertEquals(null, Sequence.fromIterable(S).first());
    Assert.assertEquals(null, Sequence.fromIterable(S).last());
    Assert.assertEquals(null, Sequence.fromIterable(S).last());
    Assert.assertEquals(true, Sequence.fromIterable(S).isEmpty());
    Assert.assertEquals(-1, Sequence.fromIterable(S).indexOf("0"));
  }
  public void test_S2() {
    Iterable<String> S = Sequence.fromClosure(new ISequenceClosure<String>() {
      public Iterable<String> iterable() {
        return new Iterable<String>() {
          public Iterator<String> iterator() {
            return new YieldingIterator<String>() {
              private int __CP__ = 0;
              protected boolean moveToNext() {
__loop__:
                do {
__switch__:
                  switch (this.__CP__) {
                    case -1:
                      assert false : "Internal error";
                      return false;
                    case 2:
                      this.__CP__ = 3;
                      this.yield("0");
                      return true;
                    case 3:
                      this.__CP__ = 4;
                      this.yield("1");
                      return true;
                    case 4:
                      this.__CP__ = 1;
                      this.yield("2");
                      return true;
                    case 0:
                      this.__CP__ = 2;
                      break;
                    default:
                      break __loop__;
                  }
                } while (true);
                return false;
              }
            };
          }
        };
      }
    });
    Assert.assertEquals("0", Sequence.fromIterable(S).first());
    Assert.assertEquals("0", Sequence.fromIterable(S).first());
    Assert.assertEquals("2", Sequence.fromIterable(S).last());
    Assert.assertEquals("2", Sequence.fromIterable(S).last());
    Assert.assertEquals(false, Sequence.fromIterable(S).isEmpty());
    Assert.assertEquals(0, Sequence.fromIterable(S).indexOf("0"));
    Assert.assertEquals(1, Sequence.fromIterable(S).indexOf("1"));
    Assert.assertEquals(2, Sequence.fromIterable(S).indexOf("2"));
    Assert.assertEquals(-1, Sequence.fromIterable(S).indexOf("3"));
  }
  public void test_S3() {
    Iterable<String> S = Sequence.fromClosure(new ISequenceClosure<String>() {
      public Iterable<String> iterable() {
        return new Iterable<String>() {
          public Iterator<String> iterator() {
            return new YieldingIterator<String>() {
              private int __CP__ = 0;
              protected boolean moveToNext() {
__loop__:
                do {
__switch__:
                  switch (this.__CP__) {
                    case -1:
                      assert false : "Internal error";
                      return false;
                    case 2:
                      this.__CP__ = 3;
                      this.yield("0");
                      return true;
                    case 3:
                      this.__CP__ = 4;
                      this.yield("1");
                      return true;
                    case 4:
                      this.__CP__ = 1;
                      this.yield("2");
                      return true;
                    case 0:
                      this.__CP__ = 2;
                      break;
                    default:
                      break __loop__;
                  }
                } while (true);
                return false;
              }
            };
          }
        };
      }
    });
    int count = 0;
    for (String s : S) {
      Assert.assertEquals("" + count, s);
      count++;
      Assert.assertEquals("0", Sequence.fromIterable(S).first());
      Assert.assertEquals("2", Sequence.fromIterable(S).last());
      Assert.assertEquals(false, Sequence.fromIterable(S).isEmpty());
    }
  }
  public void test_L1() {
    List<String> L = ListSequence.fromList(new ArrayList<String>());
    Assert.assertEquals(null, ListSequence.fromList(L).first());
    Assert.assertEquals(null, ListSequence.fromList(L).first());
    Assert.assertEquals(null, ListSequence.fromList(L).last());
    Assert.assertEquals(null, ListSequence.fromList(L).last());
    Assert.assertEquals(0, ListSequence.fromList(L).count());
    Assert.assertEquals(true, ListSequence.fromList(L).isEmpty());
  }
  public void test_L2() {
    List<String> L = ListSequence.fromListAndArray(new ArrayList<String>(), "0", "1", "2");
    Assert.assertEquals("0", ListSequence.fromList(L).first());
    Assert.assertEquals("0", ListSequence.fromList(L).first());
    Assert.assertEquals("2", ListSequence.fromList(L).last());
    Assert.assertEquals("2", ListSequence.fromList(L).last());
    Assert.assertEquals(3, ListSequence.fromList(L).count());
    Assert.assertEquals(false, ListSequence.fromList(L).isEmpty());
  }
}