/** Next low number guess test. */
@Test
public void nextLowNumberGuessTest() {
when(rangeGenerator.generateRange(4)).thenReturn(new Range(16, 32));
long nextHighNumber = nextGuess.nextLowNumber(16);
assertThat(nextHighNumber, is(16L));
verify(rangeGenerator).generateRange(4);
}
/** Next high number guess test. */
@Test
public void nextHighNumberGuessTest() {
when(rangeGenerator.generateRange(6)).thenReturn(new Range(64, 128));
long nextHighNumber = nextGuess.nextHighNumber(64);
assertThat(nextHighNumber, is(128L));
verify(rangeGenerator).generateRange(6);
}
/** Next low number fine grained guess test. */
@Test
public void nextLowNumberFineGrainedGuessTest() {
ReflectionTestUtils.setField(nextGuess, "fineGrainedGuesser", fineGrainedGuess);
int currentNum = 27;
when(fineGrainedGuess.moveToPreviousRange(currentNum)).thenReturn(false);
when(fineGrainedGuess.nextLowNumber(27)).thenReturn(26L);
long nextLow = nextGuess.nextLowNumber(currentNum);
assertThat(nextLow, is(26L));
verify(rangeGenerator, never()).generateRange(Matchers.anyInt());
verify(fineGrainedGuess, times(1)).moveToPreviousRange(currentNum);
verify(fineGrainedGuess, times(1)).nextLowNumber(currentNum);
}