@Test
public void should_pass_if_actual_is_empty_whatever_given_comparator_is() {
arrays.assertIsSortedAccordingToComparator(
someInfo(), emptyArray(), byteDescendingOrderComparator);
arrays.assertIsSortedAccordingToComparator(
someInfo(), emptyArray(), byteAscendingOrderComparator);
}
@Test
public void should_fail_if_actual_contains_given_values() {
AssertionInfo info = someInfo();
byte[] expected = {6, 8, 20};
try {
arrays.assertDoesNotContain(info, actual, expected);
} catch (AssertionError e) {
verify(failures).failure(info, shouldNotContain(actual, expected, set((byte) 6, (byte) 8)));
return;
}
throw expectedAssertionErrorNotThrown();
}
@Test
public void should_fail_if_actual_starts_with_first_elements_of_sequence_only() {
AssertionInfo info = someInfo();
byte[] sequence = {6, 20};
try {
arrays.assertStartsWith(info, actual, sequence);
} catch (AssertionError e) {
verifyFailureThrownWhenSequenceNotFound(info, sequence);
return;
}
throw expectedAssertionErrorNotThrown();
}
@Test
public void should_fail_if_actual_is_not_sorted_according_to_given_comparator() {
AssertionInfo info = someInfo();
actual = new byte[] {3, 2, 1, 9};
try {
arrays.assertIsSortedAccordingToComparator(info, actual, byteDescendingOrderComparator);
} catch (AssertionError e) {
verify(failures).failure(info, shouldBeSortedAccordingToGivenComparator(2, actual));
return;
}
failBecauseExpectedAssertionErrorWasNotThrown();
}
@Test
public void should_fail_if_sequence_is_bigger_than_actual() {
AssertionInfo info = someInfo();
byte[] sequence = {6, 8, 10, 12, 20, 22};
try {
arrays.assertStartsWith(info, actual, sequence);
} catch (AssertionError e) {
verifyFailureThrownWhenSequenceNotFound(info, sequence);
return;
}
throw expectedAssertionErrorNotThrown();
}
@Test
public void should_fail_if_actual_does_not_start_with_sequence() {
AssertionInfo info = someInfo();
byte[] sequence = {8, 10};
try {
arrays.assertStartsWith(info, actual, sequence);
} catch (AssertionError e) {
verifyFailureThrownWhenSequenceNotFound(info, sequence);
return;
}
throw expectedAssertionErrorNotThrown();
}
@Before
public void setUp() {
failures = spy(new Failures());
actual = new byte[] {4, 3, 2, 2, 1};
arrays = new ByteArrays();
arrays.failures = failures;
byteDescendingOrderComparator =
new Comparator<Byte>() {
public int compare(Byte byte1, Byte byte2) {
return -byte1.compareTo(byte2);
}
};
byteAscendingOrderComparator =
new Comparator<Byte>() {
public int compare(Byte byte1, Byte byte2) {
return byte1.compareTo(byte2);
}
};
}
@Test
public void should_fail_if_actual_is_null() {
thrown.expectAssertionError(actualIsNull());
arrays.assertStartsWith(someInfo(), null, array(8));
}
@Test
public void should_throw_error_if_sequence_is_empty() {
thrown.expectIllegalArgumentException(valuesToLookForIsEmpty());
arrays.assertStartsWith(someInfo(), actual, emptyArray());
}
@Test
public void should_throw_error_if_sequence_is_null() {
thrown.expectNullPointerException(valuesToLookForIsNull());
arrays.assertStartsWith(someInfo(), actual, null);
}
@Before
public void setUp() {
failures = spy(new Failures());
arrays = new ByteArrays();
arrays.failures = failures;
}
@Test
public void should_pass_if_actual_and_sequence_are_equal() {
arrays.assertStartsWith(someInfo(), actual, array(6, 8, 10, 12));
}
@Test
public void should_fail_if_comparator_is_null() {
thrown.expect(NullPointerException.class);
arrays.assertIsSortedAccordingToComparator(someInfo(), emptyArray(), null);
}
@Test
public void should_pass_if_actual_is_sorted_according_to_given_comparator() {
arrays.assertIsSortedAccordingToComparator(someInfo(), actual, byteDescendingOrderComparator);
}
@Test
public void should_fail_if_actual_is_null() {
thrown.expectAssertionError(actualIsNull());
arrays.assertDoesNotContain(someInfo(), null, array(8));
}
@Test
public void should_throw_error_if_array_of_values_to_look_for_is_null() {
thrown.expectNullPointerException(valuesToLookForIsNull());
arrays.assertDoesNotContain(someInfo(), actual, null);
}
@Test
public void should_throw_error_if_array_of_values_to_look_for_is_empty() {
thrown.expectIllegalArgumentException(valuesToLookForIsEmpty());
arrays.assertDoesNotContain(someInfo(), actual, emptyArray());
}
@Test
public void should_pass_if_actual_does_not_contain_given_values_even_if_duplicated() {
arrays.assertDoesNotContain(someInfo(), actual, array(12, 12, 20));
}
@Test
public void should_pass_if_actual_starts_with_sequence() {
arrays.assertStartsWith(someInfo(), actual, array(6, 8, 10));
}
@Test
public void should_fail_if_actual_is_null() {
thrown.expectAssertionError(actualIsNull());
arrays.assertIsSortedAccordingToComparator(someInfo(), null, byteDescendingOrderComparator);
}