public FEELFnResult<BigDecimal> invoke(@ParameterName( "n" ) Object[] list) { if ( list == null ) { // Arrays.asList does not accept null as parameter return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "n", "cannot be null")); } return invoke( Arrays.asList( list ) ); } }
@Before public void setUp() { meanFunction = new MeanFunction(); }
@Test public void invokeListWithIntegers() { FunctionTestUtil.assertResult(meanFunction.invoke(Arrays.asList(10, 20, 30)), BigDecimal.valueOf(20)); FunctionTestUtil.assertResult(meanFunction.invoke(Arrays.asList(10, 20, 30, -10, -20, -30)), BigDecimal.ZERO); FunctionTestUtil.assertResult(meanFunction.invoke(Arrays.asList(0, 0, 1)), new BigDecimal("0.3333333333333333333333333333333333")); }
@Test public void invokeArrayWithIntegers() { FunctionTestUtil.assertResult(meanFunction.invoke(new Object[]{10, 20, 30}), BigDecimal.valueOf(20)); FunctionTestUtil.assertResult(meanFunction.invoke(new Object[]{10, 20, 30, -10, -20, -30}), BigDecimal.ZERO); FunctionTestUtil.assertResult(meanFunction.invoke(new Object[]{0, 0, 1}), new BigDecimal("0.3333333333333333333333333333333333")); }
@Test public void invokeUnconvertableNumber() { FunctionTestUtil.assertResultError(meanFunction.invoke(Double.POSITIVE_INFINITY), InvalidParametersEvent.class); FunctionTestUtil.assertResultError(meanFunction.invoke(Double.NEGATIVE_INFINITY), InvalidParametersEvent.class); FunctionTestUtil.assertResultError(meanFunction.invoke(Double.NaN), InvalidParametersEvent.class); }
@Test public void invokeListTypeHeterogenous() { FunctionTestUtil.assertResultError(meanFunction.invoke(Arrays.asList(1, "test")), InvalidParametersEvent.class); }
@Test public void invokeNumberFloat() { FunctionTestUtil.assertResult(meanFunction.invoke(10.1f), BigDecimal.valueOf(10.1)); }
@Test public void invokeNumberDoubleWithoutDecimalPart() { FunctionTestUtil.assertResult(meanFunction.invoke(10d), BigDecimal.valueOf(10)); }
@Test public void invokeListEmpty() { FunctionTestUtil.assertResultError(meanFunction.invoke(Collections.emptyList()), InvalidParametersEvent.class); }
@Test public void invokeNumberDoubleWithDecimalPart() { FunctionTestUtil.assertResult(meanFunction.invoke(10.1d), BigDecimal.valueOf(10.1)); }
@Test public void invokeNumberBigDecimal() { FunctionTestUtil.assertResult(meanFunction.invoke(BigDecimal.TEN), BigDecimal.TEN); }
@Test public void invokeListNull() { FunctionTestUtil.assertResultError(meanFunction.invoke((List) null), InvalidParametersEvent.class); }
@Test public void invokeArrayTypeHeterogenous() { FunctionTestUtil.assertResultError(meanFunction.invoke(new Object[]{1, "test"}), InvalidParametersEvent.class); }
@Test public void invokeArrayEmpty() { FunctionTestUtil.assertResultError(meanFunction.invoke(new Object[]{}), InvalidParametersEvent.class); }
@Test public void invokeNumberNull() { FunctionTestUtil.assertResultError(meanFunction.invoke((Number) null), InvalidParametersEvent.class); }
@Test public void invokeNumberInteger() { FunctionTestUtil.assertResult(meanFunction.invoke(10), BigDecimal.TEN); }
@Test public void invokeArrayNull() { FunctionTestUtil.assertResultError(meanFunction.invoke((Object[]) null), InvalidParametersEvent.class); }