| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.lang3.reflect; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasItemInArray; |
| import static org.hamcrest.Matchers.hasItems; |
| import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNotSame; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertSame; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.awt.Color; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Type; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.lang3.ArrayUtils; |
| import org.apache.commons.lang3.ClassUtils; |
| import org.apache.commons.lang3.ClassUtils.Interfaces; |
| import org.apache.commons.lang3.math.NumberUtils; |
| import org.apache.commons.lang3.mutable.Mutable; |
| import org.apache.commons.lang3.mutable.MutableObject; |
| import org.apache.commons.lang3.reflect.testbed.Annotated; |
| import org.apache.commons.lang3.reflect.testbed.GenericConsumer; |
| import org.apache.commons.lang3.reflect.testbed.GenericParent; |
| import org.apache.commons.lang3.reflect.testbed.PublicChild; |
| import org.apache.commons.lang3.reflect.testbed.StringParameterizedChild; |
| import org.apache.commons.lang3.tuple.ImmutablePair; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Unit tests MethodUtils |
| */ |
| public class MethodUtilsTest { |
| |
| private interface PrivateInterface { |
| } |
| |
| static class TestBeanWithInterfaces implements PrivateInterface { |
| public String foo() { |
| return "foo()"; |
| } |
| } |
| |
| public static class TestBean { |
| |
| public static String bar() { |
| return "bar()"; |
| } |
| |
| public static String bar(final int i) { |
| return "bar(int)"; |
| } |
| |
| public static String bar(final Integer i) { |
| return "bar(Integer)"; |
| } |
| |
| public static String bar(final double d) { |
| return "bar(double)"; |
| } |
| |
| public static String bar(final String s) { |
| return "bar(String)"; |
| } |
| |
| public static String bar(final Object o) { |
| return "bar(Object)"; |
| } |
| |
| public static String bar(final String... s) { |
| return "bar(String...)"; |
| } |
| |
| public static String bar(final long... s) { |
| return "bar(long...)"; |
| } |
| |
| public static String bar(final Integer i, final String... s) { |
| return "bar(int, String...)"; |
| } |
| |
| public static void oneParameterStatic(final String s) { |
| // empty |
| } |
| |
| @SuppressWarnings("unused") |
| private void privateStuff() { |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff() { |
| return "privateStringStuff()"; |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff(final int i) { |
| return "privateStringStuff(int)"; |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff(final Integer i) { |
| return "privateStringStuff(Integer)"; |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff(final double d) { |
| return "privateStringStuff(double)"; |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff(final String s) { |
| return "privateStringStuff(String)"; |
| } |
| |
| @SuppressWarnings("unused") |
| private String privateStringStuff(final Object s) { |
| return "privateStringStuff(Object)"; |
| } |
| |
| public String foo() { |
| return "foo()"; |
| } |
| |
| public String foo(final int i) { |
| return "foo(int)"; |
| } |
| |
| public String foo(final Integer i) { |
| return "foo(Integer)"; |
| } |
| |
| public String foo(final double d) { |
| return "foo(double)"; |
| } |
| |
| public String foo(final long l) { |
| return "foo(long)"; |
| } |
| |
| public String foo(final String s) { |
| return "foo(String)"; |
| } |
| |
| public String foo(final Object o) { |
| return "foo(Object)"; |
| } |
| |
| public String foo(final String... s) { |
| return "foo(String...)"; |
| } |
| |
| public String foo(final long... l) { |
| return "foo(long...)"; |
| } |
| |
| public String foo(final Integer i, final String... s) { |
| return "foo(int, String...)"; |
| } |
| |
| public void oneParameter(final String s) { |
| // empty |
| } |
| |
| public String foo(final Object... s) { |
| return "foo(Object...)"; |
| } |
| |
| public int[] unboxing(final int... values) { |
| return values; |
| } |
| |
| // This method is overloaded for the wrapper class for every primitive type, plus the common supertypes |
| // Number and Object. This is an acid test since it easily leads to ambiguous methods. |
| public static String varOverload(final Byte... args) { |
| return "Byte..."; |
| } |
| |
| public static String varOverload(final Character... args) { |
| return "Character..."; |
| } |
| |
| public static String varOverload(final Short... args) { |
| return "Short..."; |
| } |
| |
| public static String varOverload(final Boolean... args) { |
| return "Boolean..."; |
| } |
| |
| public static String varOverload(final Float... args) { |
| return "Float..."; |
| } |
| |
| public static String varOverload(final Double... args) { |
| return "Double..."; |
| } |
| |
| public static String varOverload(final Integer... args) { |
| return "Integer..."; |
| } |
| |
| public static String varOverload(final Long... args) { |
| return "Long..."; |
| } |
| |
| public static String varOverload(final Number... args) { |
| return "Number..."; |
| } |
| |
| public static String varOverload(final Object... args) { |
| return "Object..."; |
| } |
| |
| public static String varOverload(final String... args) { |
| return "String..."; |
| } |
| |
| // This method is overloaded for the wrapper class for every numeric primitive type, plus the common |
| // supertype Number |
| public static String numOverload(final Byte... args) { |
| return "Byte..."; |
| } |
| |
| public static String numOverload(final Short... args) { |
| return "Short..."; |
| } |
| |
| public static String numOverload(final Float... args) { |
| return "Float..."; |
| } |
| |
| public static String numOverload(final Double... args) { |
| return "Double..."; |
| } |
| |
| public static String numOverload(final Integer... args) { |
| return "Integer..."; |
| } |
| |
| public static String numOverload(final Long... args) { |
| return "Long..."; |
| } |
| |
| public static String numOverload(final Number... args) { |
| return "Number..."; |
| } |
| |
| // These varOverloadEcho and varOverloadEchoStatic methods are designed to verify that |
| // not only is the correct overloaded variant invoked, but that the varags arguments |
| // are also delivered correctly to the method. |
| public ImmutablePair<String, Object[]> varOverloadEcho(final String... args) { |
| return new ImmutablePair<>("String...", args); |
| } |
| |
| public ImmutablePair<String, Object[]> varOverloadEcho(final Number... args) { |
| return new ImmutablePair<>("Number...", args); |
| } |
| |
| public static ImmutablePair<String, Object[]> varOverloadEchoStatic(final String... args) { |
| return new ImmutablePair<>("String...", args); |
| } |
| |
| public static ImmutablePair<String, Object[]> varOverloadEchoStatic(final Number... args) { |
| return new ImmutablePair<>("Number...", args); |
| } |
| |
| static void verify(final ImmutablePair<String, Object[]> a, final ImmutablePair<String, Object[]> b) { |
| assertEquals(a.getLeft(), b.getLeft()); |
| assertArrayEquals(a.getRight(), b.getRight()); |
| } |
| |
| static void verify(final ImmutablePair<String, Object[]> a, final Object _b) { |
| @SuppressWarnings("unchecked") final ImmutablePair<String, Object[]> b = (ImmutablePair<String, Object[]>) _b; |
| verify(a, b); |
| } |
| |
| } |
| |
| private static class TestMutable implements Mutable<Object> { |
| @Override |
| public Object getValue() { |
| return null; |
| } |
| |
| @Override |
| public void setValue(final Object value) { |
| } |
| } |
| |
| private TestBean testBean; |
| private final Map<Class<?>, Class<?>[]> classCache = new HashMap<>(); |
| |
| @BeforeEach |
| public void setUp() { |
| testBean = new TestBean(); |
| classCache.clear(); |
| } |
| |
| @Test |
| public void testConstructor() throws Exception { |
| assertNotNull(MethodUtils.class.newInstance()); |
| } |
| |
| @Test |
| public void verifyJavaVarargsOverloadingResolution() { |
| // This code is not a test of MethodUtils. |
| // Rather it makes explicit the behavior of the Java specification for |
| // various cases of overload resolution. |
| assertEquals("Byte...", TestBean.varOverload((byte) 1, (byte) 2)); |
| assertEquals("Short...", TestBean.varOverload((short) 1, (short) 2)); |
| assertEquals("Integer...", TestBean.varOverload(1, 2)); |
| assertEquals("Long...", TestBean.varOverload(1L, 2L)); |
| assertEquals("Float...", TestBean.varOverload(1f, 2f)); |
| assertEquals("Double...", TestBean.varOverload(1d, 2d)); |
| assertEquals("Character...", TestBean.varOverload('a', 'b')); |
| assertEquals("String...", TestBean.varOverload("a", "b")); |
| assertEquals("Boolean...", TestBean.varOverload(true, false)); |
| |
| assertEquals("Object...", TestBean.varOverload(1, "s")); |
| assertEquals("Object...", TestBean.varOverload(1, true)); |
| assertEquals("Object...", TestBean.varOverload(1.1, true)); |
| assertEquals("Object...", TestBean.varOverload('c', true)); |
| assertEquals("Number...", TestBean.varOverload(1, 1.1)); |
| assertEquals("Number...", TestBean.varOverload(1, 1L)); |
| assertEquals("Number...", TestBean.varOverload(1d, 1f)); |
| assertEquals("Number...", TestBean.varOverload((short) 1, (byte) 1)); |
| assertEquals("Object...", TestBean.varOverload(1, 'c')); |
| assertEquals("Object...", TestBean.varOverload('c', "s")); |
| } |
| |
| @Test |
| public void testInvokeJavaVarargsOverloadingResolution() throws Exception { |
| assertEquals("Byte...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", (byte) 1, (byte) 2)); |
| assertEquals("Short...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", (short) 1, (short) 2)); |
| assertEquals("Integer...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, 2)); |
| assertEquals("Long...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1L, 2L)); |
| assertEquals("Float...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1f, 2f)); |
| assertEquals("Double...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1d, 2d)); |
| assertEquals("Character...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 'a', 'b')); |
| assertEquals("String...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", "a", "b")); |
| assertEquals("Boolean...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", true, false)); |
| |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, "s")); |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, true)); |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1.1, true)); |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 'c', true)); |
| assertEquals("Number...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, 1.1)); |
| assertEquals("Number...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, 1L)); |
| assertEquals("Number...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1d, 1f)); |
| assertEquals("Number...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", (short) 1, (byte) 1)); |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 1, 'c')); |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, |
| "varOverload", 'c', "s")); |
| |
| assertEquals("Object...", MethodUtils.invokeStaticMethod(TestBean.class, "varOverload", |
| (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| assertEquals("Number...", MethodUtils.invokeStaticMethod(TestBean.class, "numOverload", |
| (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| } |
| |
| @Test |
| public void testInvokeMethod() throws Exception { |
| assertEquals("foo()", MethodUtils.invokeMethod(testBean, "foo", |
| (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| assertEquals("foo()", MethodUtils.invokeMethod(testBean, "foo")); |
| assertEquals("foo()", MethodUtils.invokeMethod(testBean, "foo", |
| (Object[]) null)); |
| assertEquals("foo()", MethodUtils.invokeMethod(testBean, "foo", |
| null, null)); |
| assertEquals("foo(String)", MethodUtils.invokeMethod(testBean, "foo", |
| "")); |
| assertEquals("foo(Object)", MethodUtils.invokeMethod(testBean, "foo", |
| new Object())); |
| assertEquals("foo(Object)", MethodUtils.invokeMethod(testBean, "foo", |
| Boolean.TRUE)); |
| assertEquals("foo(Integer)", MethodUtils.invokeMethod(testBean, "foo", |
| NumberUtils.INTEGER_ONE)); |
| assertEquals("foo(int)", MethodUtils.invokeMethod(testBean, "foo", |
| NumberUtils.BYTE_ONE)); |
| assertEquals("foo(long)", MethodUtils.invokeMethod(testBean, "foo", |
| NumberUtils.LONG_ONE)); |
| assertEquals("foo(double)", MethodUtils.invokeMethod(testBean, "foo", |
| NumberUtils.DOUBLE_ONE)); |
| assertEquals("foo(String...)", MethodUtils.invokeMethod(testBean, "foo", |
| "a", "b", "c")); |
| assertEquals("foo(String...)", MethodUtils.invokeMethod(testBean, "foo", |
| "a", "b", "c")); |
| assertEquals("foo(int, String...)", MethodUtils.invokeMethod(testBean, "foo", |
| 5, "a", "b", "c")); |
| assertEquals("foo(long...)", MethodUtils.invokeMethod(testBean, "foo", |
| 1L, 2L)); |
| |
| assertThrows(NoSuchMethodException.class, () -> MethodUtils.invokeMethod(testBean, "foo", 1, 2)); |
| |
| TestBean.verify(new ImmutablePair<>("String...", new String[]{"x", "y"}), |
| MethodUtils.invokeMethod(testBean, "varOverloadEcho", "x", "y")); |
| TestBean.verify(new ImmutablePair<>("Number...", new Number[]{17, 23, 42}), |
| MethodUtils.invokeMethod(testBean, "varOverloadEcho", 17, 23, 42)); |
| TestBean.verify(new ImmutablePair<>("String...", new String[]{"x", "y"}), |
| MethodUtils.invokeMethod(testBean, "varOverloadEcho", "x", "y")); |
| TestBean.verify(new ImmutablePair<>("Number...", new Number[]{17, 23, 42}), |
| MethodUtils.invokeMethod(testBean, "varOverloadEcho", 17, 23, 42)); |
| } |
| |
| @Test |
| public void testInvokeMethod_VarArgsWithNullValues() throws Exception { |
| assertEquals("String...", MethodUtils.invokeMethod(testBean, "varOverload", |
| "a", null, "c")); |
| assertEquals("String...", MethodUtils.invokeMethod(testBean, "varOverload", |
| "a", "b", null)); |
| } |
| |
| @Test |
| public void testInvokeMethod_VarArgsNotUniqueResolvable() throws Exception { |
| assertEquals("Boolean...", MethodUtils.invokeMethod(testBean, "varOverload", |
| new Object[] {null})); |
| assertEquals("Object...", MethodUtils.invokeMethod(testBean, "varOverload", |
| (Object[]) null)); |
| } |
| |
| @Test |
| public void testInvokeExactMethod() throws Exception { |
| assertEquals("foo()", MethodUtils.invokeExactMethod(testBean, "foo", |
| (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| assertEquals("foo()", MethodUtils.invokeExactMethod(testBean, "foo")); |
| assertEquals("foo()", MethodUtils.invokeExactMethod(testBean, "foo", |
| (Object[]) null)); |
| assertEquals("foo()", MethodUtils.invokeExactMethod(testBean, "foo", |
| null, null)); |
| assertEquals("foo(String)", MethodUtils.invokeExactMethod(testBean, |
| "foo", "")); |
| assertEquals("foo(Object)", MethodUtils.invokeExactMethod(testBean, |
| "foo", new Object())); |
| assertEquals("foo(Integer)", MethodUtils.invokeExactMethod(testBean, |
| "foo", NumberUtils.INTEGER_ONE)); |
| assertEquals("foo(double)", MethodUtils.invokeExactMethod(testBean, |
| "foo", new Object[]{NumberUtils.DOUBLE_ONE}, |
| new Class[]{Double.TYPE})); |
| |
| assertThrows( |
| NoSuchMethodException.class, |
| () -> MethodUtils.invokeExactMethod(testBean, "foo", NumberUtils.BYTE_ONE)); |
| |
| assertThrows( |
| NoSuchMethodException.class, |
| () -> MethodUtils.invokeExactMethod(testBean, "foo", NumberUtils.LONG_ONE)); |
| assertThrows(NoSuchMethodException.class, () -> MethodUtils.invokeExactMethod(testBean, "foo", Boolean.TRUE)); |
| } |
| |
| @Test |
| public void testInvokeStaticMethod() throws Exception { |
| assertEquals("bar()", MethodUtils.invokeStaticMethod(TestBean.class, |
| "bar", (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| assertEquals("bar()", MethodUtils.invokeStaticMethod(TestBean.class, |
| "bar", (Object[]) null)); |
| assertEquals("bar()", MethodUtils.invokeStaticMethod(TestBean.class, |
| "bar", null, null)); |
| assertEquals("bar(String)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", "")); |
| assertEquals("bar(Object)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", new Object())); |
| assertEquals("bar(Object)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", Boolean.TRUE)); |
| assertEquals("bar(Integer)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", NumberUtils.INTEGER_ONE)); |
| assertEquals("bar(int)", MethodUtils.invokeStaticMethod(TestBean.class, |
| "bar", NumberUtils.BYTE_ONE)); |
| assertEquals("bar(double)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", NumberUtils.DOUBLE_ONE)); |
| assertEquals("bar(String...)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", "a", "b")); |
| assertEquals("bar(long...)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", 1L, 2L)); |
| assertEquals("bar(int, String...)", MethodUtils.invokeStaticMethod( |
| TestBean.class, "bar", NumberUtils.INTEGER_ONE, "a", "b")); |
| |
| TestBean.verify(new ImmutablePair<>("String...", new String[]{"x", "y"}), |
| MethodUtils.invokeStaticMethod(TestBean.class, "varOverloadEchoStatic", "x", "y")); |
| TestBean.verify(new ImmutablePair<>("Number...", new Number[]{17, 23, 42}), |
| MethodUtils.invokeStaticMethod(TestBean.class, "varOverloadEchoStatic", 17, 23, 42)); |
| TestBean.verify(new ImmutablePair<>("String...", new String[]{"x", "y"}), |
| MethodUtils.invokeStaticMethod(TestBean.class, "varOverloadEchoStatic", "x", "y")); |
| TestBean.verify(new ImmutablePair<>("Number...", new Number[]{17, 23, 42}), |
| MethodUtils.invokeStaticMethod(TestBean.class, "varOverloadEchoStatic", 17, 23, 42)); |
| |
| assertThrows( |
| NoSuchMethodException.class, () -> MethodUtils.invokeStaticMethod(TestBean.class, "does_not_exist")); |
| } |
| |
| @Test |
| public void testInvokeExactStaticMethod() throws Exception { |
| assertEquals("bar()", MethodUtils.invokeExactStaticMethod(TestBean.class, |
| "bar", (Object[]) ArrayUtils.EMPTY_CLASS_ARRAY)); |
| assertEquals("bar()", MethodUtils.invokeExactStaticMethod(TestBean.class, |
| "bar", (Object[]) null)); |
| assertEquals("bar()", MethodUtils.invokeExactStaticMethod(TestBean.class, |
| "bar", null, null)); |
| assertEquals("bar(String)", MethodUtils.invokeExactStaticMethod( |
| TestBean.class, "bar", "")); |
| assertEquals("bar(Object)", MethodUtils.invokeExactStaticMethod( |
| TestBean.class, "bar", new Object())); |
| assertEquals("bar(Integer)", MethodUtils.invokeExactStaticMethod( |
| TestBean.class, "bar", NumberUtils.INTEGER_ONE)); |
| assertEquals("bar(double)", MethodUtils.invokeExactStaticMethod( |
| TestBean.class, "bar", new Object[]{NumberUtils.DOUBLE_ONE}, |
| new Class[]{Double.TYPE})); |
| |
| assertThrows( |
| NoSuchMethodException.class, |
| () -> MethodUtils.invokeExactStaticMethod(TestBean.class, "bar", NumberUtils.BYTE_ONE)); |
| assertThrows( |
| NoSuchMethodException.class, |
| () -> MethodUtils.invokeExactStaticMethod(TestBean.class, "bar", NumberUtils.LONG_ONE)); |
| assertThrows( |
| NoSuchMethodException.class, |
| () -> MethodUtils.invokeExactStaticMethod(TestBean.class, "bar", Boolean.TRUE)); |
| } |
| |
| @Test |
| public void testGetAccessibleInterfaceMethod() throws Exception { |
| final Class<?>[][] p = {ArrayUtils.EMPTY_CLASS_ARRAY, null}; |
| for (final Class<?>[] element : p) { |
| final Method method = TestMutable.class.getMethod("getValue", element); |
| final Method accessibleMethod = MethodUtils.getAccessibleMethod(method); |
| assertNotSame(accessibleMethod, method); |
| assertSame(Mutable.class, accessibleMethod.getDeclaringClass()); |
| } |
| } |
| |
| @Test |
| public void testGetAccessibleMethodPrivateInterface() throws Exception { |
| final Method expected = TestBeanWithInterfaces.class.getMethod("foo"); |
| assertNotNull(expected); |
| final Method actual = MethodUtils.getAccessibleMethod(TestBeanWithInterfaces.class, "foo"); |
| assertNull(actual); |
| } |
| |
| @Test |
| public void testGetAccessibleInterfaceMethodFromDescription() { |
| final Class<?>[][] p = {ArrayUtils.EMPTY_CLASS_ARRAY, null}; |
| for (final Class<?>[] element : p) { |
| final Method accessibleMethod = MethodUtils.getAccessibleMethod( |
| TestMutable.class, "getValue", element); |
| assertSame(Mutable.class, accessibleMethod.getDeclaringClass()); |
| } |
| } |
| |
| @Test |
| public void testGetAccessiblePublicMethod() throws Exception { |
| assertSame(MutableObject.class, MethodUtils.getAccessibleMethod( |
| MutableObject.class.getMethod("getValue", |
| ArrayUtils.EMPTY_CLASS_ARRAY)).getDeclaringClass()); |
| } |
| |
| @Test |
| public void testGetAccessiblePublicMethodFromDescription() { |
| assertSame(MutableObject.class, MethodUtils.getAccessibleMethod( |
| MutableObject.class, "getValue", ArrayUtils.EMPTY_CLASS_ARRAY) |
| .getDeclaringClass()); |
| } |
| |
| @Test |
| public void testGetAccessibleMethodInaccessible() throws Exception { |
| final Method expected = TestBean.class.getDeclaredMethod("privateStuff"); |
| final Method actual = MethodUtils.getAccessibleMethod(expected); |
| assertNull(actual); |
| } |
| |
| @Test |
| public void testGetMatchingAccessibleMethod() { |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| ArrayUtils.EMPTY_CLASS_ARRAY, ArrayUtils.EMPTY_CLASS_ARRAY); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| null, ArrayUtils.EMPTY_CLASS_ARRAY); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(String.class), singletonArray(String.class)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Object.class), singletonArray(Object.class)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Boolean.class), singletonArray(Object.class)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Byte.class), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Byte.TYPE), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Short.class), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Short.TYPE), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Character.class), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Character.TYPE), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Integer.class), singletonArray(Integer.class)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Integer.TYPE), singletonArray(Integer.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Long.class), singletonArray(Long.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Long.TYPE), singletonArray(Long.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Float.class), singletonArray(Double.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Float.TYPE), singletonArray(Double.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Double.class), singletonArray(Double.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Double.TYPE), singletonArray(Double.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| singletonArray(Double.TYPE), singletonArray(Double.TYPE)); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| new Class[]{String.class, String.class}, new Class[]{String[].class}); |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "foo", |
| new Class[]{Integer.TYPE, String.class, String.class}, new Class[]{Integer.class, String[].class}); |
| expectMatchingAccessibleMethodParameterTypes(InheritanceBean.class, "testOne", |
| singletonArray(ParentObject.class), singletonArray(ParentObject.class)); |
| expectMatchingAccessibleMethodParameterTypes(InheritanceBean.class, "testOne", |
| singletonArray(ChildObject.class), singletonArray(ParentObject.class)); |
| expectMatchingAccessibleMethodParameterTypes(InheritanceBean.class, "testTwo", |
| singletonArray(ParentObject.class), singletonArray(GrandParentObject.class)); |
| expectMatchingAccessibleMethodParameterTypes(InheritanceBean.class, "testTwo", |
| singletonArray(ChildObject.class), singletonArray(ChildInterface.class)); |
| } |
| |
| @Test |
| public void testNullArgument() { |
| expectMatchingAccessibleMethodParameterTypes(TestBean.class, "oneParameter", |
| singletonArray(null), singletonArray(String.class)); |
| } |
| |
| @Test |
| public void testGetOverrideHierarchyIncludingInterfaces() { |
| final Method method = MethodUtils.getAccessibleMethod(StringParameterizedChild.class, "consume", String.class); |
| final Iterator<MethodDescriptor> expected = |
| Arrays.asList(new MethodDescriptor(StringParameterizedChild.class, "consume", String.class), |
| new MethodDescriptor(GenericParent.class, "consume", GenericParent.class.getTypeParameters()[0]), |
| new MethodDescriptor(GenericConsumer.class, "consume", GenericConsumer.class.getTypeParameters()[0])) |
| .iterator(); |
| for (final Method m : MethodUtils.getOverrideHierarchy(method, Interfaces.INCLUDE)) { |
| assertTrue(expected.hasNext()); |
| final MethodDescriptor md = expected.next(); |
| assertEquals(md.declaringClass, m.getDeclaringClass()); |
| assertEquals(md.name, m.getName()); |
| assertEquals(md.parameterTypes.length, m.getParameterTypes().length); |
| for (int i = 0; i < md.parameterTypes.length; i++) { |
| assertTrue(TypeUtils.equals(md.parameterTypes[i], m.getGenericParameterTypes()[i])); |
| } |
| } |
| assertFalse(expected.hasNext()); |
| } |
| |
| @Test |
| public void testGetOverrideHierarchyExcludingInterfaces() { |
| final Method method = MethodUtils.getAccessibleMethod(StringParameterizedChild.class, "consume", String.class); |
| final Iterator<MethodDescriptor> expected = |
| Arrays.asList(new MethodDescriptor(StringParameterizedChild.class, "consume", String.class), |
| new MethodDescriptor(GenericParent.class, "consume", GenericParent.class.getTypeParameters()[0])) |
| .iterator(); |
| for (final Method m : MethodUtils.getOverrideHierarchy(method, Interfaces.EXCLUDE)) { |
| assertTrue(expected.hasNext()); |
| final MethodDescriptor md = expected.next(); |
| assertEquals(md.declaringClass, m.getDeclaringClass()); |
| assertEquals(md.name, m.getName()); |
| assertEquals(md.parameterTypes.length, m.getParameterTypes().length); |
| for (int i = 0; i < md.parameterTypes.length; i++) { |
| assertTrue(TypeUtils.equals(md.parameterTypes[i], m.getGenericParameterTypes()[i])); |
| } |
| } |
| assertFalse(expected.hasNext()); |
| } |
| |
| @Test |
| @Annotated |
| public void testGetMethodsWithAnnotation() throws NoSuchMethodException { |
| assertArrayEquals(new Method[0], MethodUtils.getMethodsWithAnnotation(Object.class, Annotated.class)); |
| |
| final Method[] methodsWithAnnotation = MethodUtils.getMethodsWithAnnotation(MethodUtilsTest.class, Annotated.class); |
| assertEquals(2, methodsWithAnnotation.length); |
| assertThat(methodsWithAnnotation, hasItemInArray(MethodUtilsTest.class.getMethod("testGetMethodsWithAnnotation"))); |
| assertThat(methodsWithAnnotation, hasItemInArray(MethodUtilsTest.class.getMethod("testGetMethodsListWithAnnotation"))); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationSearchSupersAndIgnoreAccess() { |
| assertArrayEquals(new Method[0], MethodUtils.getMethodsWithAnnotation(Object.class, Annotated.class, |
| true, true)); |
| |
| final Method[] methodsWithAnnotation = MethodUtils.getMethodsWithAnnotation(PublicChild.class, Annotated.class, |
| true, true); |
| assertEquals(4, methodsWithAnnotation.length); |
| assertEquals("PublicChild", methodsWithAnnotation[0].getDeclaringClass().getSimpleName()); |
| assertEquals("PublicChild", methodsWithAnnotation[1].getDeclaringClass().getSimpleName()); |
| assertTrue(methodsWithAnnotation[0].getName().endsWith("AnnotatedMethod")); |
| assertTrue(methodsWithAnnotation[1].getName().endsWith("AnnotatedMethod")); |
| assertEquals("Foo.doIt", |
| methodsWithAnnotation[2].getDeclaringClass().getSimpleName() + '.' + |
| methodsWithAnnotation[2].getName()); |
| assertEquals("Parent.parentProtectedAnnotatedMethod", |
| methodsWithAnnotation[3].getDeclaringClass().getSimpleName() + '.' + |
| methodsWithAnnotation[3].getName()); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationNotSearchSupersButIgnoreAccess() { |
| assertArrayEquals(new Method[0], MethodUtils.getMethodsWithAnnotation(Object.class, Annotated.class, |
| false, true)); |
| |
| final Method[] methodsWithAnnotation = MethodUtils.getMethodsWithAnnotation(PublicChild.class, Annotated.class, |
| false, true); |
| assertEquals(2, methodsWithAnnotation.length); |
| assertEquals("PublicChild", methodsWithAnnotation[0].getDeclaringClass().getSimpleName()); |
| assertEquals("PublicChild", methodsWithAnnotation[1].getDeclaringClass().getSimpleName()); |
| assertTrue(methodsWithAnnotation[0].getName().endsWith("AnnotatedMethod")); |
| assertTrue(methodsWithAnnotation[1].getName().endsWith("AnnotatedMethod")); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationSearchSupersButNotIgnoreAccess() { |
| assertArrayEquals(new Method[0], MethodUtils.getMethodsWithAnnotation(Object.class, Annotated.class, |
| true, false)); |
| |
| final Method[] methodsWithAnnotation = MethodUtils.getMethodsWithAnnotation(PublicChild.class, Annotated.class, |
| true, false); |
| assertEquals(2, methodsWithAnnotation.length); |
| assertEquals("PublicChild.publicAnnotatedMethod", |
| methodsWithAnnotation[0].getDeclaringClass().getSimpleName() + '.' + |
| methodsWithAnnotation[0].getName()); |
| assertEquals("Foo.doIt", |
| methodsWithAnnotation[1].getDeclaringClass().getSimpleName() + '.' + |
| methodsWithAnnotation[1].getName()); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationNotSearchSupersAndNotIgnoreAccess() { |
| assertArrayEquals(new Method[0], MethodUtils.getMethodsWithAnnotation(Object.class, Annotated.class, |
| false, false)); |
| |
| final Method[] methodsWithAnnotation = MethodUtils.getMethodsWithAnnotation(PublicChild.class, Annotated.class, |
| false, false); |
| assertEquals(1, methodsWithAnnotation.length); |
| assertEquals("PublicChild.publicAnnotatedMethod", |
| methodsWithAnnotation[0].getDeclaringClass().getSimpleName() + '.' + |
| methodsWithAnnotation[0].getName()); |
| } |
| |
| @Test |
| public void testGetAnnotationSearchSupersAndIgnoreAccess() throws NoSuchMethodException { |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentNotAnnotatedMethod"), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("doIt"), Annotated.class, |
| true, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentProtectedAnnotatedMethod"), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getDeclaredMethod("privateAnnotatedMethod"), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("publicAnnotatedMethod"), |
| Annotated.class, true, true)); |
| |
| assertNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("parentNotAnnotatedMethod", String.class), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("parentProtectedAnnotatedMethod", String.class), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getDeclaredMethod("privateAnnotatedMethod", String.class), |
| Annotated.class, true, true)); |
| assertNotNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("publicAnnotatedMethod", String.class), |
| Annotated.class, true, true)); |
| } |
| |
| @Test |
| public void testGetAnnotationNotSearchSupersButIgnoreAccess() throws NoSuchMethodException { |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentNotAnnotatedMethod"), |
| Annotated.class, false, true)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("doIt"), Annotated.class, |
| false, true)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentProtectedAnnotatedMethod"), |
| Annotated.class, false, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getDeclaredMethod("privateAnnotatedMethod"), |
| Annotated.class, false, true)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("publicAnnotatedMethod"), |
| Annotated.class, false, true)); |
| } |
| |
| @Test |
| public void testGetAnnotationSearchSupersButNotIgnoreAccess() throws NoSuchMethodException { |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentNotAnnotatedMethod"), |
| Annotated.class, true, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("doIt"), Annotated.class, |
| true, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentProtectedAnnotatedMethod"), |
| Annotated.class, true, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getDeclaredMethod("privateAnnotatedMethod"), |
| Annotated.class, true, false)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("publicAnnotatedMethod"), |
| Annotated.class, true, false)); |
| |
| assertNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("parentNotAnnotatedMethod", String.class), |
| Annotated.class, true, false)); |
| assertNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("parentProtectedAnnotatedMethod", String.class), |
| Annotated.class, true, false)); |
| assertNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getDeclaredMethod("privateAnnotatedMethod", String.class), |
| Annotated.class, true, false)); |
| assertNotNull(MethodUtils.getAnnotation(StringParameterizedChild.class.getMethod("publicAnnotatedMethod", String.class), |
| Annotated.class, true, false)); |
| } |
| |
| @Test |
| public void testGetAnnotationNotSearchSupersAndNotIgnoreAccess() throws NoSuchMethodException { |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentNotAnnotatedMethod"), |
| Annotated.class, false, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("doIt"), Annotated.class, |
| false, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("parentProtectedAnnotatedMethod"), |
| Annotated.class, false, false)); |
| assertNull(MethodUtils.getAnnotation(PublicChild.class.getDeclaredMethod("privateAnnotatedMethod"), |
| Annotated.class, false, false)); |
| assertNotNull(MethodUtils.getAnnotation(PublicChild.class.getMethod("publicAnnotatedMethod"), |
| Annotated.class, false, false)); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationIllegalArgumentException1() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsWithAnnotation(FieldUtilsTest.class, null)); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationIllegalArgumentException2() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsWithAnnotation(null, Annotated.class)); |
| } |
| |
| @Test |
| public void testGetMethodsWithAnnotationIllegalArgumentException3() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsWithAnnotation(null, null)); |
| } |
| |
| @Test |
| @Annotated |
| public void testGetMethodsListWithAnnotation() throws NoSuchMethodException { |
| assertEquals(0, MethodUtils.getMethodsListWithAnnotation(Object.class, Annotated.class).size()); |
| |
| final List<Method> methodWithAnnotation = MethodUtils.getMethodsListWithAnnotation(MethodUtilsTest.class, Annotated.class); |
| assertEquals(2, methodWithAnnotation.size()); |
| assertThat(methodWithAnnotation, hasItems( |
| MethodUtilsTest.class.getMethod("testGetMethodsWithAnnotation"), |
| MethodUtilsTest.class.getMethod("testGetMethodsListWithAnnotation") |
| )); |
| } |
| |
| @Test |
| public void testGetMethodsListWithAnnotationIllegalArgumentException1() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsListWithAnnotation(FieldUtilsTest.class, null)); |
| } |
| |
| @Test |
| public void testGetMethodsListWithAnnotationIllegalArgumentException2() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsListWithAnnotation(null, Annotated.class)); |
| } |
| |
| @Test |
| public void testGetMethodsListWithAnnotationIllegalArgumentException3() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getMethodsListWithAnnotation(null, null)); |
| } |
| |
| @Test |
| public void testGetAnnotationIllegalArgumentException1() { |
| assertThrows(NullPointerException.class, |
| () -> MethodUtils.getAnnotation(FieldUtilsTest.class.getDeclaredMethods()[0], null, true, true)); |
| } |
| |
| @Test |
| public void testGetAnnotationIllegalArgumentException2() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getAnnotation(null, Annotated.class, true, true)); |
| } |
| |
| @Test |
| public void testGetAnnotationIllegalArgumentException3() { |
| assertThrows(NullPointerException.class, () -> MethodUtils.getAnnotation(null, null, true, true)); |
| } |
| |
| private void expectMatchingAccessibleMethodParameterTypes(final Class<?> cls, |
| final String methodName, final Class<?>[] requestTypes, final Class<?>[] actualTypes) { |
| final Method m = MethodUtils.getMatchingAccessibleMethod(cls, methodName, |
| requestTypes); |
| assertNotNull(m, "could not find any matches for " + methodName |
| + " (" + (requestTypes == null ? null : toString(requestTypes)) + ")"); |
| assertArrayEquals(actualTypes, m.getParameterTypes(), toString(m.getParameterTypes()) + " not equals " + toString(actualTypes)); |
| } |
| |
| private String toString(final Class<?>[] c) { |
| return Arrays.asList(c).toString(); |
| } |
| |
| private Class<?>[] singletonArray(final Class<?> c) { |
| Class<?>[] result = classCache.get(c); |
| if (result == null) { |
| result = new Class[]{c}; |
| classCache.put(c, result); |
| } |
| return result; |
| } |
| |
| public static class InheritanceBean { |
| public void testOne(final Object obj) { |
| } |
| |
| public void testOne(final GrandParentObject obj) { |
| } |
| |
| public void testOne(final ParentObject obj) { |
| } |
| |
| public void testTwo(final Object obj) { |
| } |
| |
| public void testTwo(final GrandParentObject obj) { |
| } |
| |
| public void testTwo(final ChildInterface obj) { |
| } |
| } |
| |
| interface ChildInterface { |
| } |
| |
| public static class GrandParentObject { |
| } |
| |
| public static class ParentObject extends GrandParentObject { |
| } |
| |
| public static class ChildObject extends ParentObject implements ChildInterface { |
| } |
| |
| private static class MethodDescriptor { |
| final Class<?> declaringClass; |
| final String name; |
| final Type[] parameterTypes; |
| |
| MethodDescriptor(final Class<?> declaringClass, final String name, final Type... parameterTypes) { |
| this.declaringClass = declaringClass; |
| this.name = name; |
| this.parameterTypes = parameterTypes; |
| } |
| } |
| |
| @Test |
| public void testVarArgsUnboxing() throws Exception { |
| final TestBean testBean = new TestBean(); |
| final int[] actual = (int[]) MethodUtils.invokeMethod(testBean, "unboxing", Integer.valueOf(1), Integer.valueOf(2)); |
| assertArrayEquals(new int[]{1, 2}, actual); |
| } |
| |
| @Test |
| public void testInvokeMethodForceAccessNoArgs() throws Exception { |
| assertEquals("privateStringStuff()", MethodUtils.invokeMethod(testBean, true, "privateStringStuff")); |
| } |
| |
| @Test |
| public void testInvokeMethodForceAccessWithArgs() throws Exception { |
| assertEquals("privateStringStuff(Integer)", MethodUtils.invokeMethod(testBean, true, "privateStringStuff", 5)); |
| assertEquals("privateStringStuff(double)", MethodUtils.invokeMethod(testBean, true, "privateStringStuff", 5.0d)); |
| assertEquals("privateStringStuff(String)", MethodUtils.invokeMethod(testBean, true, "privateStringStuff", "Hi There")); |
| assertEquals("privateStringStuff(Object)", MethodUtils.invokeMethod(testBean, true, "privateStringStuff", new Date())); |
| } |
| |
| @Test |
| public void testDistance() throws Exception { |
| final Method distanceMethod = MethodUtils.getMatchingMethod(MethodUtils.class, "distance", Class[].class, Class[].class); |
| distanceMethod.setAccessible(true); |
| |
| assertEquals(-1, distanceMethod.invoke(null, new Class[]{String.class}, new Class[]{Date.class})); |
| assertEquals(0, distanceMethod.invoke(null, new Class[]{Date.class}, new Class[]{Date.class})); |
| assertEquals(1, distanceMethod.invoke(null, new Class[]{Integer.class}, new Class[]{ClassUtils.wrapperToPrimitive(Integer.class)})); |
| assertEquals(2, distanceMethod.invoke(null, new Class[]{Integer.class}, new Class[]{Object.class})); |
| |
| distanceMethod.setAccessible(false); |
| } |
| |
| @Test |
| public void testGetMatchingMethod() throws NoSuchMethodException { |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod"), |
| GetMatchingMethodClass.class.getMethod("testMethod")); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod", Long.TYPE), |
| GetMatchingMethodClass.class.getMethod("testMethod", Long.TYPE)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod", Long.class), |
| GetMatchingMethodClass.class.getMethod("testMethod", Long.class)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod", (Class<?>) null), |
| GetMatchingMethodClass.class.getMethod("testMethod", Long.class)); |
| |
| assertThrows(IllegalStateException.class, |
| () -> MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod2", (Class<?>) null)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod3", Long.TYPE, Long.class), |
| GetMatchingMethodClass.class.getMethod("testMethod3", Long.TYPE, Long.class)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod3", Long.class, Long.TYPE), |
| GetMatchingMethodClass.class.getMethod("testMethod3", Long.class, Long.TYPE)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod3", null, Long.TYPE), |
| GetMatchingMethodClass.class.getMethod("testMethod3", Long.class, Long.TYPE)); |
| |
| assertEquals(MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod3", Long.TYPE, null), |
| GetMatchingMethodClass.class.getMethod("testMethod3", Long.TYPE, Long.class)); |
| |
| assertThrows(IllegalStateException.class, |
| () -> MethodUtils.getMatchingMethod(GetMatchingMethodClass.class, "testMethod4", null, null)); |
| } |
| |
| private static final class GetMatchingMethodClass { |
| public void testMethod() { |
| } |
| |
| public void testMethod(final Long aLong) { |
| } |
| |
| public void testMethod(final long aLong) { |
| } |
| |
| public void testMethod2(final Long aLong) { |
| } |
| |
| public void testMethod2(final Color aColor) { |
| } |
| |
| public void testMethod2(final long aLong) { |
| } |
| |
| public void testMethod3(final long aLong, final Long anotherLong) { |
| } |
| |
| public void testMethod3(final Long aLong, final long anotherLong) { |
| } |
| |
| public void testMethod3(final Long aLong, final Long anotherLong) { |
| } |
| |
| public void testMethod4(final Long aLong, final Long anotherLong) { |
| } |
| |
| public void testMethod4(final Color aColor1, final Color aColor2) { |
| } |
| } |
| } |