public void CopyToTest3()
{
int[] innerArr = Enumerable.Range(0, 10).ToArray();
int[] map = new int[] { 5, 3, 8, 0, 9 };
var mappingVec = new MappingVector <int>(innerArr, map);
int[] tgtArr = new int[12];
mappingVec.CopyTo(tgtArr, 2, 1, 2);
// Test the segment yields the expected values.
int[] expectedArr = new int[] { 0, 0, 3, 8, 0, 0, 0, 0, 0, 0, 0, 0 };
Assert.Equal(expectedArr, tgtArr);
}
public void CopyToTest_InvalidCopyOperations()
{
int[] innerArr = Enumerable.Range(0, 10).ToArray();
int[] map = new int[] { 5, 3, 8 };
var mappingVec = new MappingVector <int>(innerArr, map);
int[] tgtArr = new int[12];
//--- Two param tests.
// Copy beyond end of tgtArr.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 10));
// Invalid target index.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, -1));
//--- Three param tests.
// Copy length longer then vecSeg length.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 0, 4));
// Invalid target index.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, -1, 1));
// Invalid length.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 0, -1));
// Copy beyond end of tgtArr.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 11, 2));
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 12, 1));
//--- Four param tests.
// Copy beyond end of vecSeg.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 0, 1, 3));
// Copy beyond end of tgtArr.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 11, 1, 2));
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 12, 1, 1));
// Invalid source and target indexes.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, -1, 0, 1));
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 0, -1, 1));
// Invalid length.
Assert.Throws <ArgumentException>(() => mappingVec.CopyTo(tgtArr, 0, 1, -1));
}