diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/GrReferenceExpressionImpl.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/GrReferenceExpressionImpl.java
index 792e44cc1692..a2fef0e4046d 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/GrReferenceExpressionImpl.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/GrReferenceExpressionImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,7 +43,6 @@ import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrField;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrVariable;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression;
-import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameter;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrAccessorMethod;
 import org.jetbrains.plugins.groovy.lang.psi.api.toplevel.imports.GrImportStatement;
 import org.jetbrains.plugins.groovy.lang.psi.api.types.GrTypeArgumentList;
@@ -386,7 +385,7 @@ public class GrReferenceExpressionImpl extends GrReferenceElementImpl<GrExpressi
         if (resolvedF instanceof GrField) {
           type = ((GrField)resolvedF).getType();
         }
-        else if (resolvedF instanceof GrVariable && !(resolvedF instanceof GrParameter)) {
+        else if (resolvedF instanceof GrVariable) {
           type = ((GrVariable)resolvedF).getDeclaredType();
         }
         else if (resolvedF instanceof GrAccessorMethod) {
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypeConstants.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypeConstants.java
new file mode 100644
index 000000000000..0884a122ee52
--- /dev/null
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypeConstants.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed 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.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions;
+
+import com.intellij.psi.PsiClassType;
+import com.intellij.psi.PsiPrimitiveType;
+import com.intellij.psi.PsiType;
+import org.jetbrains.annotations.Nullable;
+
+import static org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil.TYPE_TO_RANK;
+import static org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil.getQualifiedName;
+
+public interface TypeConstants {
+
+  int BYTE_RANK = 1;
+  int CHARACTER_RANK = 2;
+  int SHORT_RANK = 3;
+  int INTEGER_RANK = 4;
+  int LONG_RANK = 5;
+  int BIG_INTEGER_RANK = 6;
+  int BIG_DECIMAL_RANK = 7;
+  int FLOAT_RANK = 8;
+  int DOUBLE_RANK = 9;
+
+  static int getTypeRank(@Nullable PsiType type) {
+    if (type instanceof PsiClassType) {
+      return TYPE_TO_RANK.get(getQualifiedName(type));
+    }
+    else if (type instanceof PsiPrimitiveType) {
+      return TYPE_TO_RANK.get(((PsiPrimitiveType)type).getBoxedTypeName());
+    }
+    return 0;
+  }
+}
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
index f4c490fae1cc..8a377b92fda0 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/expressions/TypesUtil.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,7 +61,7 @@ import static org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.
 /**
  * @author ven
  */
-public class TypesUtil {
+public class TypesUtil implements TypeConstants {
 
   @NonNls
   public static final Map<String, PsiType> ourQNameToUnboxed = new HashMap<>();
@@ -165,18 +165,19 @@ public class TypesUtil {
     ourUnaryOperationsToOperatorNames.put(GroovyTokenTypes.mBNOT, BITWISE_NEGATE);
   }
 
-  private static final TObjectIntHashMap<String> TYPE_TO_RANK = new TObjectIntHashMap<>();
+  static final TObjectIntHashMap<String> TYPE_TO_RANK = new TObjectIntHashMap<>();
 
   static {
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_BYTE, 1);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_SHORT, 2);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_INTEGER, 3);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_LONG, 4);
-    TYPE_TO_RANK.put(GroovyCommonClassNames.JAVA_MATH_BIG_INTEGER, 5);
-    TYPE_TO_RANK.put(GroovyCommonClassNames.JAVA_MATH_BIG_DECIMAL, 6);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_FLOAT, 7);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_DOUBLE, 8);
-    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_NUMBER, 9);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_BYTE, BYTE_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_CHARACTER, CHARACTER_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_SHORT, SHORT_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_INTEGER, INTEGER_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_LONG, LONG_RANK);
+    TYPE_TO_RANK.put(GroovyCommonClassNames.JAVA_MATH_BIG_INTEGER, BIG_INTEGER_RANK);
+    TYPE_TO_RANK.put(GroovyCommonClassNames.JAVA_MATH_BIG_DECIMAL, BIG_DECIMAL_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_FLOAT, FLOAT_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_DOUBLE, DOUBLE_RANK);
+    TYPE_TO_RANK.put(CommonClassNames.JAVA_LANG_NUMBER, 10);
   }
 
   private static final List<PsiType> LUB_NUMERIC_TYPES = ContainerUtil.newArrayList(
@@ -277,6 +278,7 @@ public class TypesUtil {
                                                       @NotNull PsiElement context,
                                                       @NotNull ApplicableTo position) {
     if (!(context instanceof GroovyPsiElement)) return null;
+    if (targetType.equals(actualType)) return ConversionResult.OK;
     for (GrTypeConverter converter : GrTypeConverter.EP_NAME.getExtensions()) {
       if (!converter.isApplicableTo(position)) continue;
       final ConversionResult result = converter.isConvertibleEx(targetType, actualType, (GroovyPsiElement)context, position);
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrBooleanTypeConverter.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrBooleanTypeConverter.java
index 444fe15ee619..fa63b55c0096 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrBooleanTypeConverter.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrBooleanTypeConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ public class GrBooleanTypeConverter extends GrTypeConverter {
 
   @Override
   public boolean isApplicableTo(@NotNull ApplicableTo position) {
-    return true;
+    return position != ApplicableTo.EXPLICIT_CAST;
   }
 
   @Nullable
@@ -43,7 +43,6 @@ public class GrBooleanTypeConverter extends GrTypeConverter {
       switch (currentPosition) {
         case METHOD_PARAMETER:
           return null;
-        case EXPLICIT_CAST:
         case ASSIGNMENT:
         case RETURN_VALUE:
           return ConversionResult.OK;
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrCharConverter.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrCharConverter.java
index 495f8809af71..f2659b4f34e8 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrCharConverter.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrCharConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,7 +33,7 @@ public class GrCharConverter extends GrTypeConverter {
 
   @Override
   public boolean isApplicableTo(@NotNull ApplicableTo position) {
-    return position == ApplicableTo.EXPLICIT_CAST || position == ApplicableTo.ASSIGNMENT || position == ApplicableTo.RETURN_VALUE;
+    return position == ApplicableTo.ASSIGNMENT || position == ApplicableTo.RETURN_VALUE;
   }
 
   @Nullable
@@ -45,10 +45,9 @@ public class GrCharConverter extends GrTypeConverter {
     if (!PsiType.CHAR.equals(TypesUtil.unboxPrimitiveTypeWrapper(lType))) return null;
     if (PsiType.CHAR.equals(TypesUtil.unboxPrimitiveTypeWrapper(rType))) return ConversionResult.OK;
 
-    // can cast and assign numeric types to char
+    // can assign numeric types to char
     if (TypesUtil.isNumericType(rType)) {
-      if (rType instanceof PsiPrimitiveType ||
-          currentPosition != ApplicableTo.EXPLICIT_CAST && TypesUtil.unboxPrimitiveTypeWrapper(rType) instanceof PsiPrimitiveType) {
+      if (rType instanceof PsiPrimitiveType || TypesUtil.unboxPrimitiveTypeWrapper(rType) instanceof PsiPrimitiveType) {
         return PsiType.CHAR.equals(lType) ? ConversionResult.OK : ConversionResult.ERROR;
       }
       else {
@@ -78,8 +77,6 @@ public class GrCharConverter extends GrTypeConverter {
 
     if (PsiType.BOOLEAN.equals(TypesUtil.unboxPrimitiveTypeWrapper(rType))) {
       switch (currentPosition) {
-        case EXPLICIT_CAST:
-          return ConversionResult.ERROR;
         case ASSIGNMENT:
         case RETURN_VALUE:
           return ConversionResult.WARNING;
@@ -96,8 +93,12 @@ public class GrCharConverter extends GrTypeConverter {
     // can cast and assign one-symbol strings to char
     if (!TypesUtil.isClassType(rType, CommonClassNames.JAVA_LANG_STRING)) return null;
 
+    return checkSingleSymbolLiteral(context) ? ConversionResult.OK : ConversionResult.ERROR;
+  }
+
+  public static boolean checkSingleSymbolLiteral(GroovyPsiElement context) {
     final GrLiteral literal = getLiteral(context);
     final Object value = literal == null ? null : literal.getValue();
-    return value == null ? null : value.toString().length() == 1 ? ConversionResult.OK : ConversionResult.ERROR;
+    return value != null && value.toString().length() == 1;
   }
 }
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNullVoidConverter.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNullVoidConverter.java
index e8c0ae862070..dfb7363afba3 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNullVoidConverter.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNullVoidConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,7 +31,6 @@ public class GrNullVoidConverter extends GrTypeConverter {
   @Override
   public boolean isApplicableTo(@NotNull ApplicableTo position) {
     switch (position) {
-      case EXPLICIT_CAST:
       case RETURN_VALUE:
       case ASSIGNMENT:
       case METHOD_PARAMETER:
@@ -50,22 +49,7 @@ public class GrNullVoidConverter extends GrTypeConverter {
 
     final PsiClassType objectType = TypesUtil.getJavaLangObject(context);
 
-    if (currentPosition == ApplicableTo.EXPLICIT_CAST) {
-      if (PsiType.VOID.equals(TypesUtil.unboxPrimitiveTypeWrapper(targetType))) {  // cast to V(v)oid
-        if (actualType.equals(objectType)) return ConversionResult.WARNING;   // cast Object to V(v)oid compiles but fails at runtime
-        if (PsiType.VOID.equals(targetType)) {                                     // cast to void
-          // can cast void to void only
-          return PsiType.VOID.equals(actualType) ? ConversionResult.OK : ConversionResult.ERROR;
-        }
-        else {                                                                // cast to Void
-          // can cast Void, void and null to Void
-          return actualType == PsiType.NULL || PsiType.VOID.equals(TypesUtil.unboxPrimitiveTypeWrapper(actualType))
-                 ? ConversionResult.OK
-                 : ConversionResult.ERROR;
-        }
-      }
-    }
-    else if (currentPosition == ApplicableTo.RETURN_VALUE) {
+    if (currentPosition == ApplicableTo.RETURN_VALUE) {
       if (targetType.equals(objectType) && PsiType.VOID.equals(actualType)) {
         return ConversionResult.OK;                                           // can return void from Object
       }
@@ -73,8 +57,6 @@ public class GrNullVoidConverter extends GrTypeConverter {
 
     if (PsiType.VOID.equals(actualType)) {
       switch (currentPosition) {
-        case EXPLICIT_CAST:
-          return ConversionResult.ERROR;
         case RETURN_VALUE: {
           // we can return void values from method returning enum
           if (isEnum(targetType)) return ConversionResult.OK;
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNumberConverter.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNumberConverter.java
index b678568af18c..d1f58ace0f92 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNumberConverter.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrNumberConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ public class GrNumberConverter extends GrTypeConverter {
 
   @Override
   public boolean isApplicableTo(@NotNull ApplicableTo position) {
-    return position == ApplicableTo.ASSIGNMENT || position == ApplicableTo.EXPLICIT_CAST || position == ApplicableTo.RETURN_VALUE;
+    return position == ApplicableTo.ASSIGNMENT || position == ApplicableTo.RETURN_VALUE;
   }
 
   @Nullable
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrPrimitiveCastConverter.kt b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrPrimitiveCastConverter.kt
new file mode 100644
index 000000000000..d9af3372698f
--- /dev/null
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/typeEnhancers/GrPrimitiveCastConverter.kt
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2000-2017 JetBrains s.r.o.
+ *
+ * Licensed 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.jetbrains.plugins.groovy.lang.psi.typeEnhancers
+
+import com.intellij.psi.CommonClassNames.JAVA_LANG_OBJECT
+import com.intellij.psi.PsiPrimitiveType
+import com.intellij.psi.PsiType
+import com.intellij.psi.PsiType.*
+import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement
+import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.ConversionResult
+import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.ConversionResult.ERROR
+import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.ConversionResult.OK
+import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypeConstants.*
+import org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrCharConverter.checkSingleSymbolLiteral
+
+class GrPrimitiveCastConverter : GrTypeConverter() {
+
+  private companion object {
+    fun PsiType.unbox() = PsiPrimitiveType.getUnboxedType(this)
+    val numericRanks = arrayOf(
+      BYTE_RANK, SHORT_RANK, INTEGER_RANK, LONG_RANK, BIG_INTEGER_RANK, BIG_DECIMAL_RANK, FLOAT_RANK, DOUBLE_RANK
+    )
+  }
+
+  override fun isApplicableTo(position: ApplicableTo) = position == ApplicableTo.EXPLICIT_CAST
+
+  override fun isConvertibleEx(lType: PsiType, rType: PsiType, context: GroovyPsiElement, position: ApplicableTo): ConversionResult? {
+    if (lType.unbox() == rType) return OK // boxing
+    if (rType.unbox() == lType) return OK // unboxing
+
+    if (rType == VOID) return ERROR
+    if (lType.equalsToText(JAVA_LANG_OBJECT) || rType.equalsToText(JAVA_LANG_OBJECT)) return OK
+    if (lType == VOID) return ERROR
+    if (rType == NULL) return if (lType == BOOLEAN || lType !is PsiPrimitiveType) return OK else ERROR
+    if (lType.unbox() == VOID || rType.unbox() == VOID) return ERROR
+    if (lType == BOOLEAN || lType.unbox() == BOOLEAN || rType == BOOLEAN || rType.unbox() == BOOLEAN) return ERROR
+    if (lType.unbox() == CHAR || rType.unbox() == CHAR) return ERROR
+
+    val lRank = getTypeRank(lType)
+    if (rType == CHAR) return if (lRank in numericRanks) OK else ERROR
+    val rRank = getTypeRank(rType)
+    if (lType == CHAR) return if (checkSingleSymbolLiteral(context) || rType is PsiPrimitiveType && rRank in numericRanks) OK else ERROR
+
+    return if (lRank in numericRanks && rRank in numericRanks) OK else null
+  }
+}
\ No newline at end of file
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/resolve/GrReferenceResolveRunner.kt b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/resolve/GrReferenceResolveRunner.kt
index fcb9e70d383d..049d78d6b08f 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/resolve/GrReferenceResolveRunner.kt
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/resolve/GrReferenceResolveRunner.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -115,6 +115,11 @@ class GrReferenceResolveRunner(val place: GrReferenceExpression, val processor:
         return processQualifierType(wildcard.extendsBound, state)
       }
     }
+    if (qualifierType is PsiWildcardType) {
+      if (qualifierType.isExtends) {
+        return processQualifierType(qualifierType.extendsBound, state)
+      }
+    }
 
     // Process trait type conjuncts in reversed order because last applied trait matters.
     if (qualifierType is GrTraitType) return qualifierType.conjuncts.findLast { !processQualifierType(it, state) } == null
diff --git a/plugins/groovy/src/META-INF/plugin.xml b/plugins/groovy/src/META-INF/plugin.xml
index 6aa6c4df8f82..92addffd4b69 100644
--- a/plugins/groovy/src/META-INF/plugin.xml
+++ b/plugins/groovy/src/META-INF/plugin.xml
@@ -206,6 +206,7 @@
 
 
     <typeConverter implementation="org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrBooleanTypeConverter"/>
+    <typeConverter implementation="org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrPrimitiveCastConverter"/>
     <typeConverter implementation="org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrGenericTypeConverter"/>
     <typeConverter implementation="org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrClassConverter"/>
     <typeConverter implementation="org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrNullVoidConverter"/>
diff --git a/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrTypeCheckHighlightingTest.groovy b/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrTypeCheckHighlightingTest.groovy
index e1ba0654f0fc..f9e02c807792 100644
--- a/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrTypeCheckHighlightingTest.groovy
+++ b/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrTypeCheckHighlightingTest.groovy
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -36,9 +36,7 @@ class GrTypeCheckHighlightingTest extends GrHighlightingTestBase {
 
   void testTypeCheckString() { doTest() }
 
-  void testCastToBuiltInPrimitiveTypes() { doTest() }
-
-  void testCastToBuiltInBoxedTypes() { doTest() }
+  void testCastBuiltInTypes() { doTest() }
 
   void doTest() {
     addBigDecimal()
diff --git a/plugins/groovy/testdata/highlighting/typecheck/CastBuiltInTypes.groovy b/plugins/groovy/testdata/highlighting/typecheck/CastBuiltInTypes.groovy
new file mode 100644
index 000000000000..ca479f5f92f4
--- /dev/null
+++ b/plugins/groovy/testdata/highlighting/typecheck/CastBuiltInTypes.groovy
@@ -0,0 +1,535 @@
+@groovy.transform.CompileStatic
+class CastBuiltinTypes {
+
+  def castObject(Object _) {
+    (void) _
+    (boolean) _
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    (Void) _
+    (Boolean) _
+    (Byte) _
+    (Short) _
+    (Character) _
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castNull() {
+    <error descr="Cannot cast 'null' to 'void'">(void) null</error>
+    (boolean) null
+    <error descr="Cannot cast 'null' to 'byte'">(byte) null</error>
+    <error descr="Cannot cast 'null' to 'short'">(short) null</error>
+    <error descr="Cannot cast 'null' to 'char'">(char) null</error>
+    <error descr="Cannot cast 'null' to 'int'">(int) null</error>
+    <error descr="Cannot cast 'null' to 'long'">(long) null</error>
+    <error descr="Cannot cast 'null' to 'float'">(float) null</error>
+    <error descr="Cannot cast 'null' to 'double'">(double) null</error>
+    (Void) null
+    (Boolean) null
+    (Byte) null
+    (Short) null
+    (Character) null
+    (Integer) null
+    (Long) null
+    (Float) null
+    (Double) null
+    (BigInteger) null
+    (BigDecimal) null
+    (Object) null
+  }
+
+  void foo() {}
+
+  def castvoid() {
+    (void) foo()
+    <error descr="Cannot cast 'void' to 'boolean'">(boolean) foo()</error>
+    <error descr="Cannot cast 'void' to 'byte'">(byte) foo()</error>
+    <error descr="Cannot cast 'void' to 'short'">(short) foo()</error>
+    <error descr="Cannot cast 'void' to 'char'">(char) foo()</error>
+    <error descr="Cannot cast 'void' to 'int'">(int) foo()</error>
+    <error descr="Cannot cast 'void' to 'long'">(long) foo()</error>
+    <error descr="Cannot cast 'void' to 'float'">(float) foo()</error>
+    <error descr="Cannot cast 'void' to 'double'">(double) foo()</error>
+    (Void) foo()
+    <error descr="Cannot cast 'void' to 'Boolean'">(Boolean) foo()</error>
+    <error descr="Cannot cast 'void' to 'Byte'">(Byte) foo()</error>
+    <error descr="Cannot cast 'void' to 'Short'">(Short) foo()</error>
+    <error descr="Cannot cast 'void' to 'Character'">(Character) foo()</error>
+    <error descr="Cannot cast 'void' to 'Integer'">(Integer) foo()</error>
+    <error descr="Cannot cast 'void' to 'Long'">(Long) foo()</error>
+    <error descr="Cannot cast 'void' to 'Float'">(Float) foo()</error>
+    <error descr="Cannot cast 'void' to 'Double'">(Double) foo()</error>
+    <error descr="Cannot cast 'void' to 'BigInteger'">(BigInteger) foo()</error>
+    <error descr="Cannot cast 'void' to 'BigDecimal'">(BigDecimal) foo()</error>
+    <error descr="Cannot cast 'void' to 'Object'">(Object) foo()</error>
+  }
+
+  Void bar() {}
+
+  def castVoid() {
+    (void) bar()
+    <error descr="Cannot cast 'Void' to 'boolean'">(boolean) bar()</error>
+    <error descr="Cannot cast 'Void' to 'byte'">(byte) bar()</error>
+    <error descr="Cannot cast 'Void' to 'short'">(short) bar()</error>
+    <error descr="Cannot cast 'Void' to 'char'">(char) bar()</error>
+    <error descr="Cannot cast 'Void' to 'int'">(int) bar()</error>
+    <error descr="Cannot cast 'Void' to 'long'">(long) bar()</error>
+    <error descr="Cannot cast 'Void' to 'float'">(float) bar()</error>
+    <error descr="Cannot cast 'Void' to 'double'">(double) bar()</error>
+    (Void) bar()
+    <error descr="Cannot cast 'Void' to 'Boolean'">(Boolean) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Byte'">(Byte) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Short'">(Short) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Character'">(Character) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Integer'">(Integer) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Long'">(Long) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Float'">(Float) bar()</error>
+    <error descr="Cannot cast 'Void' to 'Double'">(Double) bar()</error>
+    <error descr="Cannot cast 'Void' to 'BigInteger'">(BigInteger) bar()</error>
+    <error descr="Cannot cast 'Void' to 'BigDecimal'">(BigDecimal) bar()</error>
+    (Object) bar()
+  }
+
+  def castboolean(boolean _) {
+    <error descr="Cannot cast 'boolean' to 'void'">(void) _</error>
+    (boolean) _
+    <error descr="Cannot cast 'boolean' to 'byte'">(byte) _</error>
+    <error descr="Cannot cast 'boolean' to 'short'">(short) _</error>
+    <error descr="Cannot cast 'boolean' to 'char'">(char) _</error>
+    <error descr="Cannot cast 'boolean' to 'int'">(int) _</error>
+    <error descr="Cannot cast 'boolean' to 'long'">(long) _</error>
+    <error descr="Cannot cast 'boolean' to 'float'">(float) _</error>
+    <error descr="Cannot cast 'boolean' to 'double'">(double) _</error>
+    <error descr="Cannot cast 'boolean' to 'Void'">(Void) _</error>
+    (Boolean) _
+    <error descr="Cannot cast 'boolean' to 'Byte'">(Byte) _</error>
+    <error descr="Cannot cast 'boolean' to 'Short'">(Short) _</error>
+    <error descr="Cannot cast 'boolean' to 'Character'">(Character) _</error>
+    <error descr="Cannot cast 'boolean' to 'Integer'">(Integer) _</error>
+    <error descr="Cannot cast 'boolean' to 'Long'">(Long) _</error>
+    <error descr="Cannot cast 'boolean' to 'Float'">(Float) _</error>
+    <error descr="Cannot cast 'boolean' to 'Double'">(Double) _</error>
+    <error descr="Cannot cast 'boolean' to 'BigInteger'">(BigInteger) _</error>
+    <error descr="Cannot cast 'boolean' to 'BigDecimal'">(BigDecimal) _</error>
+    (Object) _
+  }
+
+  def castBoolean(Boolean _) {
+    <error descr="Cannot cast 'Boolean' to 'void'">(void) _</error>
+    (boolean) _
+    <error descr="Cannot cast 'Boolean' to 'byte'">(byte) _</error>
+    <error descr="Cannot cast 'Boolean' to 'short'">(short) _</error>
+    <error descr="Cannot cast 'Boolean' to 'char'">(char) _</error>
+    <error descr="Cannot cast 'Boolean' to 'int'">(int) _</error>
+    <error descr="Cannot cast 'Boolean' to 'long'">(long) _</error>
+    <error descr="Cannot cast 'Boolean' to 'float'">(float) _</error>
+    <error descr="Cannot cast 'Boolean' to 'double'">(double) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Void'">(Void) _</error>
+    (Boolean) _
+    <error descr="Cannot cast 'Boolean' to 'Byte'">(Byte) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Short'">(Short) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Character'">(Character) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Integer'">(Integer) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Long'">(Long) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Float'">(Float) _</error>
+    <error descr="Cannot cast 'Boolean' to 'Double'">(Double) _</error>
+    <error descr="Cannot cast 'Boolean' to 'BigInteger'">(BigInteger) _</error>
+    <error descr="Cannot cast 'Boolean' to 'BigDecimal'">(BigDecimal) _</error>
+    (Object) _
+  }
+
+  def castCharacter(Character _) {
+    <error descr="Cannot cast 'Character' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Character' to 'boolean'">(boolean) _</error>
+    <error descr="Cannot cast 'Character' to 'byte'">(byte) _</error>
+    <error descr="Cannot cast 'Character' to 'short'">(short) _</error>
+    (char) _
+    <error descr="Cannot cast 'Character' to 'int'">(int) _</error>
+    <error descr="Cannot cast 'Character' to 'long'">(long) _</error>
+    <error descr="Cannot cast 'Character' to 'float'">(float) _</error>
+    <error descr="Cannot cast 'Character' to 'double'">(double) _</error>
+    <error descr="Cannot cast 'Character' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Character' to 'Boolean'">(Boolean) _</error>
+    <error descr="Cannot cast 'Character' to 'Byte'">(Byte) _</error>
+    <error descr="Cannot cast 'Character' to 'Short'">(Short) _</error>
+    (Character) _
+    <error descr="Cannot cast 'Character' to 'Integer'">(Integer) _</error>
+    <error descr="Cannot cast 'Character' to 'Long'">(Long) _</error>
+    <error descr="Cannot cast 'Character' to 'Float'">(Float) _</error>
+    <error descr="Cannot cast 'Character' to 'Double'">(Double) _</error>
+    <error descr="Cannot cast 'Character' to 'BigInteger'">(BigInteger) _</error>
+    <error descr="Cannot cast 'Character' to 'BigDecimal'">(BigDecimal) _</error>
+    (Object) _
+  }
+
+  def castChar(char _) {
+    <error descr="Cannot cast 'char' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'char' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'char' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'char' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    (Character) _
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castbyte(byte _) {
+    <error descr="Cannot cast 'byte' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'byte' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'byte' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'byte' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'byte' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castshort(short _) {
+    <error descr="Cannot cast 'short' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'short' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'short' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'short' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'short' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castInt(int _) {
+    <error descr="Cannot cast 'int' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'int' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'int' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'int' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'int' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castlong(long _) {
+    <error descr="Cannot cast 'long' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'long' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'long' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'long' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'long' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castfloat(float _) {
+    <error descr="Cannot cast 'float' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'float' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'float' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'float' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'float' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castdouble(double _) {
+    <error descr="Cannot cast 'double' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'double' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    (char) _
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'double' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'double' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'double' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castByte(Byte _) {
+    <error descr="Cannot cast 'Byte' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Byte' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Byte' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Byte' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Byte' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Byte' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castShort(Short _) {
+    <error descr="Cannot cast 'Short' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Short' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Short' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Short' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Short' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Short' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castInteger(Integer _) {
+    <error descr="Cannot cast 'Integer' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Integer' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Integer' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Integer' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Integer' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Integer' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castLong(Long _) {
+    <error descr="Cannot cast 'Long' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Long' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Long' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Long' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Long' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Long' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castFloat(Float _) {
+    <error descr="Cannot cast 'Float' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Float' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Float' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Float' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Float' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Float' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castDouble(Double _) {
+    <error descr="Cannot cast 'Double' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'Double' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'Double' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'Double' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'Double' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'Double' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castBigInteger(BigInteger _) {
+    <error descr="Cannot cast 'BigInteger' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'BigInteger' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'BigInteger' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'BigInteger' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'BigInteger' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'BigInteger' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+
+  def castBigDecimal(BigDecimal _) {
+    <error descr="Cannot cast 'BigDecimal' to 'void'">(void) _</error>
+    <error descr="Cannot cast 'BigDecimal' to 'boolean'">(boolean) _</error>
+    (byte) _
+    (short) _
+    <error descr="Cannot cast 'BigDecimal' to 'char'">(char) _</error>
+    (int) _
+    (long) _
+    (float) _
+    (double) _
+    <error descr="Cannot cast 'BigDecimal' to 'Void'">(Void) _</error>
+    <error descr="Cannot cast 'BigDecimal' to 'Boolean'">(Boolean) _</error>
+    (Byte) _
+    (Short) _
+    <error descr="Cannot cast 'BigDecimal' to 'Character'">(Character) _</error>
+    (Integer) _
+    (Long) _
+    (Float) _
+    (Double) _
+    (BigInteger) _
+    (BigDecimal) _
+    (Object) _
+  }
+}
\ No newline at end of file
diff --git a/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInBoxedTypes.groovy b/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInBoxedTypes.groovy
deleted file mode 100644
index 2b122afa30c0..000000000000
--- a/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInBoxedTypes.groovy
+++ /dev/null
@@ -1,280 +0,0 @@
-import groovy.transform.CompileStatic
-
-@CompileStatic
-class FooCastToBuiltinBoxedTypes {
-
-  def castToVoidB() {
-    (Void) null
-    (Void) 1 as void
-    <error descr="Cannot cast 'boolean' to 'Void'">(Void) 1 as boolean</error>
-    <error descr="Cannot cast 'byte' to 'Void'">(Void) 1 as byte</error>
-    <error descr="Cannot cast 'short' to 'Void'">(Void) 1 as short</error>
-    <error descr="Cannot cast 'char' to 'Void'">(Void) 1 as char</error>
-    <error descr="Cannot cast 'int' to 'Void'">(Void) 1 as int</error>
-    <error descr="Cannot cast 'long' to 'Void'">(Void) 1 as long</error>
-    <error descr="Cannot cast 'float' to 'Void'">(Void) 1 as float</error>
-    <error descr="Cannot cast 'double' to 'Void'">(Void) 1 as double</error>
-    <error descr="Cannot cast 'BigInteger' to 'Void'">(Void) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'Void'">(Void) 1 as BigDecimal</error>
-    (Void) 1 as Void
-    <error descr="Cannot cast 'Boolean' to 'Void'">(Void) 1 as Boolean</error>
-    <error descr="Cannot cast 'Byte' to 'Void'">(Void) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'Void'">(Void) 1 as Short</error>
-    <error descr="Cannot cast 'Character' to 'Void'">(Void) 1 as Character</error>
-    <error descr="Cannot cast 'Integer' to 'Void'">(Void) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'Void'">(Void) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'Void'">(Void) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'Void'">(Void) 1 as Double</error>
-    <warning descr="Cannot cast 'Object' to 'Void'">(Void) 1 as Object</warning>
-  }
-
-  def castToBigInteger() {
-    (BigInteger) null
-    <error descr="Cannot cast 'void' to 'BigInteger'">(BigInteger) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'BigInteger'">(BigInteger) 1 as boolean</error>
-    (BigInteger) 1 as byte
-    (BigInteger) 1 as short
-    (BigInteger) 1 as char
-    (BigInteger) 1 as int
-    (BigInteger) 1 as long
-    (BigInteger) 1 as float
-    (BigInteger) 1 as double
-    (BigInteger) 1 as BigInteger
-    (BigInteger) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'BigInteger'">(BigInteger) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'BigInteger'">(BigInteger) 1 as Boolean</error>
-    (BigInteger) 1 as Byte
-    (BigInteger) 1 as Short
-    <error descr="Cannot cast 'Character' to 'BigInteger'">(BigInteger) 1 as Character</error>
-    (BigInteger) 1 as Integer
-    (BigInteger) 1 as Long
-    (BigInteger) 1 as Float
-    (BigInteger) 1 as Double
-    (BigInteger) 1 as Object
-  }
-
-  def castToBigDecimal() {
-    (BigDecimal) null
-    <error descr="Cannot cast 'void' to 'BigDecimal'">(BigDecimal) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'BigDecimal'">(BigDecimal) 1 as boolean</error>
-    (BigDecimal) 1 as byte
-    (BigDecimal) 1 as short
-    (BigDecimal) 1 as char
-    (BigDecimal) 1 as int
-    (BigDecimal) 1 as long
-    (BigDecimal) 1 as float
-    (BigDecimal) 1 as double
-    (BigDecimal) 1 as BigInteger
-    (BigDecimal) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'BigDecimal'">(BigDecimal) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'BigDecimal'">(BigDecimal) 1 as Boolean</error>
-    (BigDecimal) 1 as Byte
-    (BigDecimal) 1 as Short
-    <error descr="Cannot cast 'Character' to 'BigDecimal'">(BigDecimal) 1 as Character</error>
-    (BigDecimal) 1 as Integer
-    (BigDecimal) 1 as Long
-    (BigDecimal) 1 as Float
-    (BigDecimal) 1 as Double
-    (BigDecimal) 1 as Object
-  }
-
-  def castToBoolean() {
-    (Boolean) null
-    <error descr="Cannot cast 'void' to 'Boolean'">(Boolean) 1 as void</error>
-    (Boolean) 1 as boolean
-    <error descr="Cannot cast 'byte' to 'Boolean'">(Boolean) 1 as byte</error>
-    <error descr="Cannot cast 'short' to 'Boolean'">(Boolean) 1 as short</error>
-    <error descr="Cannot cast 'char' to 'Boolean'">(Boolean) 1 as char</error>
-    <error descr="Cannot cast 'int' to 'Boolean'">(Boolean) 1 as int</error>
-    <error descr="Cannot cast 'long' to 'Boolean'">(Boolean) 1 as long</error>
-    <error descr="Cannot cast 'float' to 'Boolean'">(Boolean) 1 as float</error>
-    <error descr="Cannot cast 'double' to 'Boolean'">(Boolean) 1 as double</error>
-    <error descr="Cannot cast 'BigInteger' to 'Boolean'">(Boolean) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'Boolean'">(Boolean) 1 as BigDecimal</error>
-    <error descr="Cannot cast 'Void' to 'Boolean'">(Boolean) 1 as Void</error>
-    (Boolean) 1 as Boolean
-    <error descr="Cannot cast 'Byte' to 'Boolean'">(Boolean) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'Boolean'">(Boolean) 1 as Short</error>
-    <error descr="Cannot cast 'Character' to 'Boolean'">(Boolean) 1 as Character</error>
-    <error descr="Cannot cast 'Integer' to 'Boolean'">(Boolean) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'Boolean'">(Boolean) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'Boolean'">(Boolean) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'Boolean'">(Boolean) 1 as Double</error>
-    (Boolean) 1 as Object
-  }
-
-  def castToByte() {
-    (Byte) null
-    <error descr="Cannot cast 'void' to 'Byte'">(Byte) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Byte'">(Byte) 1 as boolean</error>
-    (Byte) 1 as byte
-    (Byte) 1 as short
-    (Byte) 1 as char
-    (Byte) 1 as int
-    (Byte) 1 as long
-    (Byte) 1 as float
-    (Byte) 1 as double
-    (Byte) 1 as BigInteger
-    (Byte) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Byte'">(Byte) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Byte'">(Byte) 1 as Boolean</error>
-    (Byte) 1 as Byte
-    (Byte) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Byte'">(Byte) 1 as Character</error>
-    (Byte) 1 as Integer
-    (Byte) 1 as Long
-    (Byte) 1 as Float
-    (Byte) 1 as Double
-    (Byte) 1 as Object
-  }
-
-  def castToShort() {
-    (Short) null
-    <error descr="Cannot cast 'void' to 'Short'">(Short) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Short'">(Short) 1 as boolean</error>
-    (Short) 1 as byte
-    (Short) 1 as short
-    (Short) 1 as char
-    (Short) 1 as int
-    (Short) 1 as long
-    (Short) 1 as float
-    (Short) 1 as double
-    (Short) 1 as BigInteger
-    (Short) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Short'">(Short) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Short'">(Short) 1 as Boolean</error>
-    (Short) 1 as Byte
-    (Short) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Short'">(Short) 1 as Character</error>
-    (Short) 1 as Integer
-    (Short) 1 as Long
-    (Short) 1 as Float
-    (Short) 1 as Double
-    (Short) 1 as Object
-  }
-
-  def castToChar() {
-    (Character) null
-    <error descr="Cannot cast 'void' to 'Character'">(Character) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Character'">(Character) 1 as boolean</error>
-    <error descr="Cannot cast 'byte' to 'Character'">(Character) 1 as byte</error>
-    <error descr="Cannot cast 'short' to 'Character'">(Character) 1 as short</error>
-    (Character) 1 as char
-    <error descr="Cannot cast 'int' to 'Character'">(Character) 1 as int</error>
-    <error descr="Cannot cast 'long' to 'Character'">(Character) 1 as long</error>
-    <error descr="Cannot cast 'float' to 'Character'">(Character) 1 as float</error>
-    <error descr="Cannot cast 'double' to 'Character'">(Character) 1 as double</error>
-    <error descr="Cannot cast 'BigInteger' to 'Character'">(Character) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'Character'">(Character) 1 as BigDecimal</error>
-    <error descr="Cannot cast 'Void' to 'Character'">(Character) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Character'">(Character) 1 as Boolean</error>
-    <error descr="Cannot cast 'Byte' to 'Character'">(Character) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'Character'">(Character) 1 as Short</error>
-    (Character) 1 as Character
-    <error descr="Cannot cast 'Integer' to 'Character'">(Character) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'Character'">(Character) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'Character'">(Character) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'Character'">(Character) 1 as Double</error>
-    (Character) 1 as Object
-  }
-
-  def castToInt() {
-    (Integer) null
-    <error descr="Cannot cast 'void' to 'Integer'">(Integer) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Integer'">(Integer) 1 as boolean</error>
-    (Integer) 1 as byte
-    (Integer) 1 as short
-    (Integer) 1 as char
-    (Integer) 1 as int
-    (Integer) 1 as long
-    (Integer) 1 as float
-    (Integer) 1 as double
-    (Integer) 1 as BigInteger
-    (Integer) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Integer'">(Integer) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Integer'">(Integer) 1 as Boolean</error>
-    (Integer) 1 as Byte
-    (Integer) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Integer'">(Integer) 1 as Character</error>
-    (Integer) 1 as Integer
-    (Integer) 1 as Long
-    (Integer) 1 as Float
-    (Integer) 1 as Double
-    (Integer) 1 as Object
-  }
-
-  def castToLong() {
-    (Long) null
-    <error descr="Cannot cast 'void' to 'Long'">(Long) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Long'">(Long) 1 as boolean</error>
-    (Long) 1 as byte
-    (Long) 1 as short
-    (Long) 1 as char
-    (Long) 1 as int
-    (Long) 1 as long
-    (Long) 1 as float
-    (Long) 1 as double
-    (Long) 1 as BigInteger
-    (Long) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Long'">(Long) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Long'">(Long) 1 as Boolean</error>
-    (Long) 1 as Byte
-    (Long) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Long'">(Long) 1 as Character</error>
-    (Long) 1 as Integer
-    (Long) 1 as Long
-    (Long) 1 as Float
-    (Long) 1 as Double
-    (Long) 1 as Object
-  }
-
-  def castToFloat() {
-    (Float) null
-    <error descr="Cannot cast 'void' to 'Float'">(Float) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Float'">(Float) 1 as boolean</error>
-    (Float) 1 as byte
-    (Float) 1 as short
-    (Float) 1 as char
-    (Float) 1 as int
-    (Float) 1 as long
-    (Float) 1 as float
-    (Float) 1 as double
-    (Float) 1 as BigInteger
-    (Float) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Float'">(Float) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Float'">(Float) 1 as Boolean</error>
-    (Float) 1 as Byte
-    (Float) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Float'">(Float) 1 as Character</error>
-    (Float) 1 as Integer
-    (Float) 1 as Long
-    (Float) 1 as Float
-    (Float) 1 as Double
-    (Float) 1 as Object
-  }
-
-  def castToDouble() {
-    (Double) null
-    <error descr="Cannot cast 'void' to 'Double'">(Double) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'Double'">(Double) 1 as boolean</error>
-    (Double) 1 as byte
-    (Double) 1 as short
-    (Double) 1 as char
-    (Double) 1 as int
-    (Double) 1 as long
-    (Double) 1 as float
-    (Double) 1 as double
-    (Double) 1 as BigInteger
-    (Double) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'Double'">(Double) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'Double'">(Double) 1 as Boolean</error>
-    (Double) 1 as Byte
-    (Double) 1 as Short
-    <error descr="Cannot cast 'Character' to 'Double'">(Double) 1 as Character</error>
-    (Double) 1 as Integer
-    (Double) 1 as Long
-    (Double) 1 as Float
-    (Double) 1 as Double
-    (Double) 1 as Object
-  }
-}
diff --git a/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInPrimitiveTypes.groovy b/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInPrimitiveTypes.groovy
deleted file mode 100644
index c6ce17022780..000000000000
--- a/plugins/groovy/testdata/highlighting/typecheck/CastToBuiltInPrimitiveTypes.groovy
+++ /dev/null
@@ -1,230 +0,0 @@
-import groovy.transform.CompileStatic
-
-@CompileStatic
-class FooCastToBuiltinPrimitiveTypes {
-
-  def castToVoid() {
-    <error descr="Cannot cast 'null' to 'void'">(void) null</error>
-    (void) 1 as void        // no error, can cast void to void
-    <error descr="Cannot cast 'boolean' to 'void'">(void) 1 as boolean</error>
-    <error descr="Cannot cast 'byte' to 'void'">(void) 1 as byte</error>
-    <error descr="Cannot cast 'short' to 'void'">(void) 1 as short</error>
-    <error descr="Cannot cast 'char' to 'void'">(void) 1 as char</error>
-    <error descr="Cannot cast 'int' to 'void'">(void) 1 as int</error>
-    <error descr="Cannot cast 'long' to 'void'">(void) 1 as long</error>
-    <error descr="Cannot cast 'float' to 'void'">(void) 1 as float</error>
-    <error descr="Cannot cast 'double' to 'void'">(void) 1 as double</error>
-    <error descr="Cannot cast 'BigInteger' to 'void'">(void) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'void'">(void) 1 as BigDecimal</error>
-    <error descr="Cannot cast 'Void' to 'void'">(void) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'void'">(void) 1 as Boolean</error>
-    <error descr="Cannot cast 'Byte' to 'void'">(void) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'void'">(void) 1 as Short</error>
-    <error descr="Cannot cast 'Character' to 'void'">(void) 1 as Character</error>
-    <error descr="Cannot cast 'Integer' to 'void'">(void) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'void'">(void) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'void'">(void) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'void'">(void) 1 as Double</error>
-    <warning descr="Cannot cast 'Object' to 'void'">(void) 1 as Object</warning>        // no compile time, but will be runtime error
-  }
-
-  def castToBoolean() {
-    (boolean) null
-    <error descr="Cannot cast 'void' to 'boolean'">(boolean) 1 as void</error>
-    (boolean) 1 as boolean
-    <error descr="Cannot cast 'byte' to 'boolean'">(boolean) 1 as byte</error>
-    <error descr="Cannot cast 'short' to 'boolean'">(boolean) 1 as short</error>
-    <error descr="Cannot cast 'char' to 'boolean'">(boolean) 1 as char</error>
-    <error descr="Cannot cast 'int' to 'boolean'">(boolean) 1 as int</error>
-    <error descr="Cannot cast 'long' to 'boolean'">(boolean) 1 as long</error>
-    <error descr="Cannot cast 'float' to 'boolean'">(boolean) 1 as float</error>
-    <error descr="Cannot cast 'double' to 'boolean'">(boolean) 1 as double</error>
-    <error descr="Cannot cast 'BigInteger' to 'boolean'">(boolean) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'boolean'">(boolean) 1 as BigDecimal</error>
-    <error descr="Cannot cast 'Void' to 'boolean'">(boolean) 1 as Void</error>
-    (boolean) 1 as Boolean
-    <error descr="Cannot cast 'Byte' to 'boolean'">(boolean) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'boolean'">(boolean) 1 as Short</error>
-    <error descr="Cannot cast 'Character' to 'boolean'">(boolean) 1 as Character</error>
-    <error descr="Cannot cast 'Integer' to 'boolean'">(boolean) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'boolean'">(boolean) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'boolean'">(boolean) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'boolean'">(boolean) 1 as Double</error>
-    (boolean) 1 as Object
-  }
-
-  def castToByte() {
-    <error descr="Cannot cast 'null' to 'byte'">(byte) null</error>
-    <error descr="Cannot cast 'void' to 'byte'">(byte) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'byte'">(byte) 1 as boolean</error>
-    (byte) 1 as byte
-    (byte) 1 as short
-    (byte) 1 as char
-    (byte) 1 as int
-    (byte) 1 as long
-    (byte) 1 as float
-    (byte) 1 as double
-    (byte) 1 as BigInteger
-    (byte) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'byte'">(byte) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'byte'">(byte) 1 as Boolean</error>
-    (byte) 1 as Byte
-    (byte) 1 as Short
-    <error descr="Cannot cast 'Character' to 'byte'">(byte) 1 as Character</error>
-    (byte) 1 as Integer
-    (byte) 1 as Long
-    (byte) 1 as Float
-    (byte) 1 as Double
-    (byte) 1 as Object
-  }
-
-  def castToShort() {
-    <error descr="Cannot cast 'null' to 'short'">(short) null</error>
-    <error descr="Cannot cast 'void' to 'short'">(short) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'short'">(short) 1 as boolean</error>
-    (short) 1 as byte
-    (short) 1 as short
-    (short) 1 as char
-    (short) 1 as int
-    (short) 1 as long
-    (short) 1 as float
-    (short) 1 as double
-    (short) 1 as BigInteger
-    (short) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'short'">(short) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'short'">(short) 1 as Boolean</error>
-    (short) 1 as Byte
-    (short) 1 as Short
-    <error descr="Cannot cast 'Character' to 'short'">(short) 1 as Character</error>
-    (short) 1 as Integer
-    (short) 1 as Long
-    (short) 1 as Float
-    (short) 1 as Double
-    (short) 1 as Object
-  }
-
-  def castToChar() {
-    <error descr="Cannot cast 'null' to 'char'">(char) null</error>
-    <error descr="Cannot cast 'void' to 'char'">(char) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'char'">(char) 1 as boolean</error>
-    (char) 1 as byte
-    (char) 1 as short
-    (char) 1 as char
-    (char) 1 as int
-    (char) 1 as long
-    (char) 1 as float
-    (char) 1 as double
-    <error descr="Cannot cast 'BigInteger' to 'char'">(char) 1 as BigInteger</error>
-    <error descr="Cannot cast 'BigDecimal' to 'char'">(char) 1 as BigDecimal</error>
-    <error descr="Cannot cast 'Void' to 'char'">(char) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'char'">(char) 1 as Boolean</error>
-    <error descr="Cannot cast 'Byte' to 'char'">(char) 1 as Byte</error>
-    <error descr="Cannot cast 'Short' to 'char'">(char) 1 as Short</error>
-    (char) 1 as Character
-    <error descr="Cannot cast 'Integer' to 'char'">(char) 1 as Integer</error>
-    <error descr="Cannot cast 'Long' to 'char'">(char) 1 as Long</error>
-    <error descr="Cannot cast 'Float' to 'char'">(char) 1 as Float</error>
-    <error descr="Cannot cast 'Double' to 'char'">(char) 1 as Double</error>
-    (char) 1 as Object
-  }
-
-  def castToInt() {
-    <error descr="Cannot cast 'null' to 'int'">(int) null</error>
-    <error descr="Cannot cast 'void' to 'int'">(int) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'int'">(int) 1 as boolean</error>
-    (int) 1 as byte
-    (int) 1 as short
-    (int) 1 as char
-    (int) 1 as int
-    (int) 1 as long
-    (int) 1 as float
-    (int) 1 as double
-    (int) 1 as BigInteger
-    (int) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'int'">(int) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'int'">(int) 1 as Boolean</error>
-    (int) 1 as Byte
-    (int) 1 as Short
-    <error descr="Cannot cast 'Character' to 'int'">(int) 1 as Character</error>
-    (int) 1 as Integer
-    (int) 1 as Long
-    (int) 1 as Float
-    (int) 1 as Double
-    (int) 1 as Object
-  }
-
-  def castToLong() {
-    <error descr="Cannot cast 'null' to 'long'">(long) null</error>
-    <error descr="Cannot cast 'void' to 'long'">(long) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'long'">(long) 1 as boolean</error>
-    (long) 1 as byte
-    (long) 1 as short
-    (long) 1 as char
-    (long) 1 as int
-    (long) 1 as long
-    (long) 1 as float
-    (long) 1 as double
-    (long) 1 as BigInteger
-    (long) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'long'">(long) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'long'">(long) 1 as Boolean</error>
-    (long) 1 as Byte
-    (long) 1 as Short
-    <error descr="Cannot cast 'Character' to 'long'">(long) 1 as Character</error>
-    (long) 1 as Integer
-    (long) 1 as Long
-    (long) 1 as Float
-    (long) 1 as Double
-    (long) 1 as Object
-  }
-
-  def castToFloat() {
-    <error descr="Cannot cast 'null' to 'float'">(float) null</error>
-    <error descr="Cannot cast 'void' to 'float'">(float) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'float'">(float) 1 as boolean</error>
-    (float) 1 as byte
-    (float) 1 as short
-    (float) 1 as char
-    (float) 1 as int
-    (float) 1 as long
-    (float) 1 as float
-    (float) 1 as double
-    (float) 1 as BigInteger
-    (float) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'float'">(float) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'float'">(float) 1 as Boolean</error>
-    (float) 1 as Byte
-    (float) 1 as Short
-    <error descr="Cannot cast 'Character' to 'float'">(float) 1 as Character</error>
-    (float) 1 as Integer
-    (float) 1 as Long
-    (float) 1 as Float
-    (float) 1 as Double
-    (float) 1 as Object
-  }
-
-  def castToDouble() {
-    <error descr="Cannot cast 'null' to 'double'">(double) null</error>
-    <error descr="Cannot cast 'void' to 'double'">(double) 1 as void</error>
-    <error descr="Cannot cast 'boolean' to 'double'">(double) 1 as boolean</error>
-    (double) 1 as byte
-    (double) 1 as short
-    (double) 1 as char
-    (double) 1 as int
-    (double) 1 as long
-    (double) 1 as float
-    (double) 1 as double
-    (double) 1 as BigInteger
-    (double) 1 as BigDecimal
-    <error descr="Cannot cast 'Void' to 'double'">(double) 1 as Void</error>
-    <error descr="Cannot cast 'Boolean' to 'double'">(double) 1 as Boolean</error>
-    (double) 1 as Byte
-    (double) 1 as Short
-    <error descr="Cannot cast 'Character' to 'double'">(double) 1 as Character</error>
-    (double) 1 as Integer
-    (double) 1 as Long
-    (double) 1 as Float
-    (double) 1 as Double
-    (double) 1 as Object
-  }
-}