Added tests for space insertion after return@xxx + do not overwrite space after keyword

idea/src/org/jetbrains/jet/plugin/completion/handlers/WithTailInsertHandler.kt

@@ -90,6 +90,6 @@ class WithTailInsertHandler(val tailText: String,
         fun rparenthTail() = WithTailInsertHandler(")", spaceBefore = false, spaceAfter = false)
         fun elseTail() = WithTailInsertHandler("else", spaceBefore = true, spaceAfter = true)
         fun eqTail() = WithTailInsertHandler("=", spaceBefore = true, spaceAfter = true) /*TODO: use code style options*/
-        fun spaceTail() = WithTailInsertHandler(" ", spaceBefore = false, spaceAfter = false)
+        fun spaceTail() = WithTailInsertHandler(" ", spaceBefore = false, spaceAfter = false, overwriteText = false)
     }
 }

idea/testData/completion/handlers/keywords/QualifiedReturnNonUnit.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ ret<caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler2

idea/testData/completion/handlers/keywords/QualifiedReturnNonUnit.kt.after

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ return@takeHandler2 <caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler2

idea/testData/completion/handlers/keywords/QualifiedReturnNonUnitExplicit.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ (): String -> ret<caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler2

idea/testData/completion/handlers/keywords/QualifiedReturnNonUnitExplicit.kt.after

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ (): String -> return@takeHandler2 <caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler2

idea/testData/completion/handlers/keywords/QualifiedReturnUnit.kt

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ ret<caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler1

idea/testData/completion/handlers/keywords/QualifiedReturnUnit.kt.after

@@ -0,0 +1,10 @@
+fun foo() {
+    takeHandler1 {
+        takeHandler2({ return@takeHandler1<caret> })
+    }
+}
+
+inline fun takeHandler1(handler: () -> Unit){}
+inline fun takeHandler2(handler: () -> String){}
+
+// ELEMENT: return@takeHandler1

idea/tests/org/jetbrains/jet/completion/handlers/KeywordCompletionHandlerTestGenerated.java

@@ -19,6 +19,7 @@ package org.jetbrains.jet.completion.handlers;
 import com.intellij.testFramework.TestDataPath;
 import org.jetbrains.jet.JUnit3RunnerWithInners;
 import org.jetbrains.jet.JetTestUtils;
+import org.jetbrains.jet.test.InnerTestClasses;
 import org.jetbrains.jet.test.TestMetadata;
 import org.junit.runner.RunWith;
 
@@ -47,6 +48,24 @@ public class KeywordCompletionHandlerTestGenerated extends AbstractKeywordComple
         doTest(fileName);
     }
 
+    @TestMetadata("QualifiedReturnNonUnit.kt")
+    public void testQualifiedReturnNonUnit() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/handlers/keywords/QualifiedReturnNonUnit.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("QualifiedReturnNonUnitExplicit.kt")
+    public void testQualifiedReturnNonUnitExplicit() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/handlers/keywords/QualifiedReturnNonUnitExplicit.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("QualifiedReturnUnit.kt")
+    public void testQualifiedReturnUnit() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/handlers/keywords/QualifiedReturnUnit.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("ReturnInEmptyType.kt")
     public void testReturnInEmptyType() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/handlers/keywords/ReturnInEmptyType.kt");