@Test
public void zeroRatioStopsAfterDiscardsExceedSampleSize() {
assertThat(
testResult(ZeroDiscardRatio.class),
hasFailureContaining(GenerationContext.DiscardRatioExceededException.class.getName()));
assertEquals(0, ZeroDiscardRatio.iterations);
}
@Theory
public void shouldHold(@ForAll Callable<Integer> c) throws Exception {
++iterations;
Integer value = functionValue(new IntegerGenerator(), null);
for (int i = 0; i < 10000; ++i) assertEquals(value, c.call());
}
@Test
public void willStopGeneratingValuesAfterDiscardRatioExceeded() {
assertThat(
testResult(ExceededDiscardRatio.class),
hasFailureContaining(GenerationContext.DiscardRatioExceededException.class.getName()));
assertEquals(0, ExceededDiscardRatio.iterations);
}
@Theory
public void shouldHold(@ForAll @From(Ctor.class) P p) {
assertTrue(p.box().marked());
assertTrue(p.box().contents().marked());
assertEquals(2, p.box().contents().i());
}
@Test
public void callable() throws Exception {
assertThat(testResult(CallableOfInt.class), isSuccessful());
assertEquals(defaultSampleSize(), CallableOfInt.iterations);
}
@Test
public void shouldBeAbleToMarkMultipleParametersForReceivingValues() {
assertThat(testResult(ForValuesOfMultipleParameters.class), isSuccessful());
assertEquals(21, ForValuesOfMultipleParameters.iterations);
}
@Test
public void shouldRespectSampleSizeIfSpecified() {
assertThat(testResult(ForSpecifiedNumberOfValues.class), isSuccessful());
assertEquals(5, ForSpecifiedNumberOfValues.iterations);
}
@Test
public void shouldFeedADefaultNumberOfValuesToAMarkedParameter() throws Exception {
assertThat(testResult(ForDefaultNumberOfValues.class), isSuccessful());
assertEquals(defaultSampleSize(), ForDefaultNumberOfValues.iterations);
}
@Test
public void negativeRatioWillNeverGenerateValues() {
assertThat(
testResult(NegativeDiscardRatio.class), hasFailureContaining("Never found parameters"));
assertEquals(0, NegativeDiscardRatio.iterations);
}
@Test
public void okIfParameterMarkedWithUnexpectedConfiguration() {
assertThat(testResult(WithSpuriousConfiguration.class), isSuccessful());
assertEquals(
Formatter.BigDecimalLayoutForm.values().length, WithSpuriousConfiguration.iterations);
}