package jetbrains.mps.baseLanguage.collections.unittest.simple_operations;
/*Generated by MPS */
import junit.framework.TestCase;
import jetbrains.mps.internal.collections.runtime.Sequence;
import jetbrains.mps.internal.collections.runtime.ISequenceClosure;
import java.util.Iterator;
import jetbrains.mps.baseLanguage.closures.runtime.YieldingIterator;
import java.util.List;
import junit.framework.Assert;
import jetbrains.mps.internal.collections.runtime.ListSequence;
public class Concat_Test_Test extends TestCase {
public void test_test1() throws Exception {
Iterable<Integer> s1 = Sequence.fromClosure(new ISequenceClosure<Integer>() {
public Iterable<Integer> iterable() {
return new Iterable<Integer>() {
public Iterator<Integer> iterator() {
return new YieldingIterator<Integer>() {
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(1);
return true;
case 3:
this.__CP__ = 4;
this.yield(2);
return true;
case 4:
this.__CP__ = 1;
this.yield(3);
return true;
case 0:
this.__CP__ = 2;
break;
default:
break __loop__;
}
} while (true);
return false;
}
};
}
};
}
});
Iterable<Integer> s2 = Sequence.fromClosure(new ISequenceClosure<Integer>() {
public Iterable<Integer> iterable() {
return new Iterable<Integer>() {
public Iterator<Integer> iterator() {
return new YieldingIterator<Integer>() {
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(3);
return true;
case 3:
this.__CP__ = 4;
this.yield(4);
return true;
case 4:
this.__CP__ = 1;
this.yield(5);
return true;
case 0:
this.__CP__ = 2;
break;
default:
break __loop__;
}
} while (true);
return false;
}
};
}
};
}
});
List<Integer> s3 = Sequence.fromIterable(s1).concat(Sequence.fromIterable(s2)).toListSequence();
Assert.assertTrue((Integer) ListSequence.fromList(s3).first() == 1);
Assert.assertTrue((Integer) ListSequence.fromList(s3).getElement(1) == 2);
Assert.assertTrue((Integer) ListSequence.fromList(s3).getElement(2) == 3);
Assert.assertTrue((Integer) ListSequence.fromList(s3).getElement(3) == 3);
Assert.assertTrue((Integer) ListSequence.fromList(s3).getElement(4) == 4);
Assert.assertTrue((Integer) ListSequence.fromList(s3).getElement(5) == 5);
// null test
s1 = null;
Iterable<Integer> s2_ = Sequence.fromIterable(s1).concat(Sequence.fromIterable(s2));
Assert.assertEquals(3, Sequence.fromIterable(s2_).count());
Iterable<Integer> s2__ = Sequence.fromIterable(s2).concat(null);
Assert.assertEquals(3, Sequence.fromIterable(s2__).count());
}
}