GROOVY-10269

Author: eric-milles

base-test/org.eclipse.jdt.groovy.core.tests.compiler/src/org/eclipse/jdt/groovy/core/tests/xform/TypeCheckedTests.java

@@ -3985,6 +3985,37 @@ public void testTypeChecked10254() {
         runConformTest(sources, "42");
     }
 
+    @Test
+    public void testTypeChecked10269() {
+        assumeTrue(isParrotParser());
+
+        //@formatter:off
+        String[] sources = {
+            "Main.groovy",
+            "import java.util.function.Consumer\n" +
+            "void foo(Integer y) {\n" +
+            "}\n" +
+            "void bar(Consumer<Integer> x) {\n" +
+            "}\n" +
+            "@groovy.transform.TypeChecked\n" +
+            "void test() {\n" +
+            "  def baz = { Consumer<Integer> x -> }\n" +
+            "  bar(this::foo)\n" +
+            "  baz(this::foo)\n" +
+            "}\n" +
+            "test()\n",
+        };
+        //@formatter:on
+
+        runNegativeTest(sources,
+            "----------\n" +
+            "1. ERROR in Main.groovy (at line 10)\n" +
+            "\tbaz(this::foo)\n" +
+            "\t    ^^^^^^^^^\n" +
+            "Groovy:The argument is a method reference, but the parameter type is not a functional interface\n" +
+            "----------\n");
+    }
+
     @Test
     public void testTypeChecked10280() {
         //@formatter:off

base/org.codehaus.groovy30/src/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java

@@ -4060,7 +4060,9 @@ private void inferMethodReferenceType(final ClassNode receiver, final ArgumentLi
                 methodReferenceParamIndexList.add(i);
             }
         }
-
+        // GRECLIPSE add -- GROOVY-10269
+        if (methodReferenceParamIndexList.isEmpty()) return;
+        // GRECLIPSE end
         visitMethodCallArguments(receiver, new ArgumentListExpression(newArgumentExpressionList), true, selectedMethod);
 
         for (Integer methodReferenceParamIndex : methodReferenceParamIndexList) {

base/org.codehaus.groovy40/src/org/codehaus/groovy/transform/stc/StaticTypeCheckingVisitor.java

@@ -3818,7 +3818,9 @@ private void inferMethodReferenceType(final ClassNode receiver, final ArgumentLi
                 methodReferenceParamIndexList.add(i);
             }
         }
-
+        // GRECLIPSE add -- GROOVY-10269
+        if (methodReferenceParamIndexList.isEmpty()) return;
+        // GRECLIPSE end
         visitMethodCallArguments(receiver, args(newArgumentExpressionList), true, selectedMethod);
 
         for (int index : methodReferenceParamIndexList) {