/*******************************************************************************
* Copyright 2014 Analog Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************/
package com.analog.lyric.dimple.test.model;
import static com.analog.lyric.util.test.ExceptionTester.*;
import static org.junit.Assert.*;
import org.junit.Test;
import com.analog.lyric.dimple.model.domains.DiscreteDomain;
import com.analog.lyric.dimple.model.domains.DiscreteIndicesIterator;
import com.analog.lyric.dimple.model.domains.DomainList;
import com.analog.lyric.dimple.test.DimpleTestBase;
public class TestDiscreteIndicesIterator extends DimpleTestBase
{
@Test
public void test()
{
DiscreteIndicesIterator iter = new DiscreteIndicesIterator(2, 3);
int[][] expected = new int[][] {
new int[] {0,0},
new int[] {1,0},
new int[] {0,1},
new int[] {1,1},
new int[] {0,2},
new int[] {1,2}
};
for (int i = 0; i < 2; ++i)
{
for (int[] curExpected : expected)
{
assertTrue(iter.hasNext());
assertArrayEquals(curExpected, iter.next());
}
assertFalse(iter.hasNext());
iter.reset();
}
int[] indices = new int[2];
iter = new DiscreteIndicesIterator(new int[] { 2, 3}, indices);
for (int[] curExpected : expected)
{
assertTrue(iter.hasNext());
assertSame(indices, iter.next());
assertArrayEquals(curExpected, indices);
}
assertFalse(iter.hasNext());
DiscreteDomain d2 = DiscreteDomain.range(1,2);
DiscreteDomain d3 = DiscreteDomain.range(1,3);
DomainList<DiscreteDomain> dl2x3 = DomainList.create(d2, d3);
iter = new DiscreteIndicesIterator(dl2x3, indices);
for (int[] curExpected : expected)
{
assertTrue(iter.hasNext());
assertSame(indices, iter.next());
assertArrayEquals(curExpected, indices);
}
assertFalse(iter.hasNext());
iter = new DiscreteIndicesIterator(dl2x3);
for (int[] curExpected : expected)
{
assertTrue(iter.hasNext());
assertArrayEquals(curExpected, iter.next());
}
assertFalse(iter.hasNext());
iter = new DiscreteIndicesIterator(2,1,3);
expected = new int[][] {
new int[] {0,0,0},
new int[] {1,0,0},
new int[] {0,0,1},
new int[] {1,0,1},
new int[] {0,0,2},
new int[] {1,0,2}
};
for (int i = 0; i < 2; ++i)
{
for (int[] curExpected : expected)
{
assertTrue(iter.hasNext());
assertArrayEquals(curExpected, iter.next());
}
assertFalse(iter.hasNext());
iter.reset();
}
iter = new DiscreteIndicesIterator();
assertTrue(iter.hasNext());
assertEquals(0, iter.next().length);
assertFalse(iter.hasNext());
iter.reset();
assertTrue(iter.hasNext());
assertEquals(0, iter.next().length);
assertFalse(iter.hasNext());
expectThrow(UnsupportedOperationException.class, ".*DiscreteIndicesIterator\\.remove.*", iter, "remove");
}
}