Merge "Clean up tests and increase speed"

@LargeTest

public class BinaryDictIOTests extends AndroidTestCase {

    private static final String TAG = BinaryDictIOTests.class.getSimpleName();

    private static final int MAX_UNIGRAMS = 1000;

    private static final int MAX_UNIGRAMS = 100;

    private static final int UNIGRAM_FREQ = 10;

    private static final int BIGRAM_FREQ = 50;

    private static final int TOLERANCE_OF_BIGRAM_FREQ = 5;

        while (count > 0) {

            final long r = Math.abs(random.nextInt());

            if (r < 0) continue;

            // Don't insert 0~20, but insert any other code point.

            // Don't insert 0~0x20, but insert any other code point.

            // Code points are in the range 0~0x10FFFF.

            final int candidateCodePoint = (int)(20 + r % (0x10FFFF - 20));

            // Code points between 0xD800 and 0xDFFF are not valid.

            if (candidateCodePoint >= 0xD800 && candidateCodePoint <= 0xDFFF) continue;

            final int candidateCodePoint = (int)(0x20 + r % (Character.MAX_CODE_POINT - 0x20));

            // Code points between MIN_ and MAX_SURROGATE are not valid on their own.

            if (candidateCodePoint >= Character.MIN_SURROGATE

                    && candidateCodePoint <= Character.MAX_SURROGATE) continue;

            builder.appendCodePoint(candidateCodePoint);

            --count;

        }