[SPR-8644][SPR-8633] introduced failing (ignored) test regarding support for invoking methods that accept var-args.

org.springframework.test/src/test/java/org/springframework/test/util/ReflectionTestUtilsTests.java

@@ -24,6 +24,7 @@ import static org.springframework.test.util.ReflectionTestUtils.invokeMethod;
 import static org.springframework.test.util.ReflectionTestUtils.invokeSetterMethod;
 import static org.springframework.test.util.ReflectionTestUtils.setField;
 
+import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.test.AssertThrows;
 import org.springframework.test.util.subpackage.Component;
@@ -201,9 +202,22 @@ public class ReflectionTestUtilsTests {
 	}
 
 	@Test
-	public void invokeMethodWithReturnValueWithAutoboxingAndUnboxing() {
-		int sum = invokeMethod(component, "add", 1, 2);
-		assertEquals("add(1, 2)", 3, sum);
+	public void invokeMethodWithAutoboxingAndUnboxing() {
+		int difference = invokeMethod(component, "subtract", 5, 2);
+		assertEquals("subtract(5, 2)", 3, difference);
+	}
+
+	@Ignore("[SPR-8644] findMethod() does not currently support var-args")
+	@Test
+	public void invokeMethodWithPrimitiveVarArgs() {
+		int sum = invokeMethod(component, "add", 1, 2, 3, 4);
+		assertEquals("add(1,2,3,4)", 10, sum);
+	}
+
+	@Test
+	public void invokeMethodWithPrimitiveVarArgsAsSingleArgument() {
+		int sum = invokeMethod(component, "add", new int[] { 1, 2, 3, 4 });
+		assertEquals("add(1,2,3,4)", 10, sum);
 	}
 
 	@Test
@@ -228,7 +242,7 @@ public class ReflectionTestUtilsTests {
 
 	@Test(expected = IllegalStateException.class)
 	public void invokeMethodWithIncompatibleArgumentTypes() {
-		invokeMethod(component, "add", "foo", 2.0);
+		invokeMethod(component, "subtract", "foo", 2.0);
 	}
 
 	@Test(expected = IllegalStateException.class)

org.springframework.test/src/test/java/org/springframework/test/util/subpackage/Component.java

@@ -62,8 +62,24 @@ public class Component {
 		this.text = null;
 	}
 
-	int add(int a, int b) {
-		return a + b;
+	int subtract(int a, int b) {
+		return a - b;
+	}
+
+	int add(int... args) {
+		int sum = 0;
+		for (int i = 0; i < args.length; i++) {
+			sum += args[i];
+		}
+		return sum;
+	}
+
+	int multiply(Integer... args) {
+		int product = 1;
+		for (int i = 0; i < args.length; i++) {
+			product *= args[i];
+		}
+		return product;
 	}
 
 }