com.meliorbis.numerics.test.ArrayMatcher Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of Numerics Show documentation

A library for working with large multi-dimensional arrays and the functions they represent

There is a newer version: 1.2

package com.meliorbis.numerics.test;

import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;

import com.meliorbis.numerics.generic.MultiDimensionalArray;
import com.meliorbis.numerics.generic.MultiDimensionalArrayException;
import com.meliorbis.numerics.generic.primitives.DoubleArray;
import com.meliorbis.numerics.test.ArrayAssert.EqualsOp;

public final class ArrayMatcher extends BaseMatcher>
{
	final MultiDimensionalArray _expected;
	private EqualsOp _equalsOp;

	
	public ArrayMatcher(DoubleArray expected_, double allowedError_)
	{
		_equalsOp = new EqualsOp(allowedError_);
		_expected = expected_;
	}

	@Override
	public void describeTo(Description description_)
	{
		description_.appendText("Equal to the provided array");
	}
	
	@SuppressWarnings({ "unchecked"})
	@Override
	public boolean matches(Object arg0_)
	{
		if(!(arg0_ instanceof DoubleArray))
		{
			return false;
		}
		
		try
		{
			_expected.with((DoubleArray)arg0_).map(_equalsOp);
		} catch (MultiDimensionalArrayException e)
		{
			throw new RuntimeException(e);
		}
		
		return _equalsOp._firstDiff == null;
	}
}