Quick-Fixes: Support USELESS_CAST diagnostic in "Remove cast" quick-fix

#KT-6422 Fixed

idea/src/org/jetbrains/kotlin/idea/quickfix/QuickFixRegistrar.java

@@ -87,6 +87,7 @@ public class QuickFixRegistrar {
 
         QuickFixes.factories.put(USELESS_CAST_STATIC_ASSERT_IS_FINE, ReplaceOperationInBinaryExpressionFix.createChangeCastToStaticAssertFactory());
         QuickFixes.factories.put(USELESS_CAST, RemoveRightPartOfBinaryExpressionFix.createRemoveCastFactory());
+        QuickFixes.factories.put(USELESS_CAST_STATIC_ASSERT_IS_FINE, RemoveRightPartOfBinaryExpressionFix.createRemoveCastFactory());
 
         JetSingleIntentionActionFactory changeAccessorTypeFactory = ChangeAccessorTypeFix.createFactory();
         QuickFixes.factories.put(WRONG_SETTER_PARAMETER_TYPE, changeAccessorTypeFactory);

idea/testData/quickfix/expressions/afterRemoveUselessCast.kt

@@ -0,0 +1,4 @@
+// "Remove cast" "true"
+fun foo(a: String) {
+    val b = a
+}

idea/testData/quickfix/expressions/afterRemoveUselessCastUnderSmartCast.kt

@@ -0,0 +1,7 @@
+// "Remove cast" "true"
+fun test(x: Any): String? {
+    if (x is String) {
+        return x
+    }
+    return null
+}

idea/testData/quickfix/expressions/beforeRemoveUselessCast.kt

@@ -0,0 +1,4 @@
+// "Remove cast" "true"
+fun foo(a: String) {
+    val b = a <caret>as Any
+}

idea/testData/quickfix/expressions/beforeRemoveUselessCastUnderSmartCast.kt

@@ -0,0 +1,7 @@
+// "Remove cast" "true"
+fun test(x: Any): String? {
+    if (x is String) {
+        return x <caret>as String
+    }
+    return null
+}

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -2825,6 +2825,24 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
             doTest(fileName);
         }
 
+        @TestMetadata("beforeRemoveUselessCast.kt")
+        public void testRemoveUselessCast() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeRemoveUselessCast.kt");
+            doTest(fileName);
+        }
+
+        @TestMetadata("beforeRemoveUselessCastUnderSmartCast.kt")
+        public void testRemoveUselessCastUnderSmartCast() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeRemoveUselessCastUnderSmartCast.kt");
+            doTest(fileName);
+        }
+
+        @TestMetadata("beforeReplaceUselessCastWithStaticAssert.kt")
+        public void testReplaceUselessCastWithStaticAssert() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeReplaceUselessCastWithStaticAssert.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("beforeUnnecessaryNonNullAssertion1.kt")
         public void testUnnecessaryNonNullAssertion1() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeUnnecessaryNonNullAssertion1.kt");
@@ -2867,12 +2885,6 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
             doTest(fileName);
         }
 
-        @TestMetadata("beforeUselessCast.kt")
-        public void testUselessCast() throws Exception {
-            String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeUselessCast.kt");
-            doTest(fileName);
-        }
-
         @TestMetadata("beforeUselessCastStaticAssertIsFine.kt")
         public void testUselessCastStaticAssertIsFine() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/expressions/beforeUselessCastStaticAssertIsFine.kt");
@@ -4954,15 +4966,15 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
                 doTest(fileName);
             }
 
-            @TestMetadata("beforeNonLocalReturn.kt")
-            public void testNonLocalReturn() throws Exception {
-                String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/beforeNonLocalReturn.kt");
+            @TestMetadata("beforeNonLocalReturnRuntime.kt")
+            public void testNonLocalReturnRuntime() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/beforeNonLocalReturnRuntime.kt");
                 doTest(fileName);
             }
 
-            @TestMetadata("beforeNonLocalReturnWithLabel.kt")
-            public void testNonLocalReturnWithLabel() throws Exception {
-                String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/beforeNonLocalReturnWithLabel.kt");
+            @TestMetadata("beforeNonLocalReturnWithLabelRuntime.kt")
+            public void testNonLocalReturnWithLabelRuntime() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/typeMismatch/typeMismatchOnReturnedExpression/beforeNonLocalReturnWithLabelRuntime.kt");
                 doTest(fileName);
             }