Supported SAM adapters in "in/!in" operators.

compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java

@@ -17,6 +17,7 @@
 package org.jetbrains.jet.codegen.binding;
 
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.tree.IElementType;
 import com.intellij.psi.tree.TokenSet;
 import com.intellij.util.containers.Stack;
 import org.jetbrains.annotations.NotNull;
@@ -404,16 +405,19 @@ class CodegenAnnotatingVisitor extends JetVisitorVoid {
         }
 
 
-        ClassDescriptorFromJvmBytecode samInterfaceOfRight = getInterfaceIfSamType(original.getValueParameters().get(0).getType());
+        ClassDescriptorFromJvmBytecode samInterfaceOfParameter = getInterfaceIfSamType(original.getValueParameters().get(0).getType());
 
-        if (samInterfaceOfRight == null) {
+        if (samInterfaceOfParameter == null) {
             return;
         }
 
-        if (BINARY_OPERATIONS.contains(expression.getOperationToken())) {
-            bindingTrace.record(CodegenBinding.SAM_VALUE, expression.getRight(), samInterfaceOfRight);
+        IElementType token = expression.getOperationToken();
+        if (BINARY_OPERATIONS.contains(token)) {
+            bindingTrace.record(CodegenBinding.SAM_VALUE, expression.getRight(), samInterfaceOfParameter);
+        }
+        else if (token == JetTokens.IN_KEYWORD || token == JetTokens.NOT_IN) {
+            bindingTrace.record(CodegenBinding.SAM_VALUE, expression.getLeft(), samInterfaceOfParameter);
         }
-
     }
 
     @Override

compiler/testData/codegen/boxWithJava/samAdapters/operators/contains.java

@@ -0,0 +1,6 @@
+class JavaClass {
+    boolean contains(Runnable i) {
+        i.run();
+        return true;
+    }
+}

compiler/testData/codegen/boxWithJava/samAdapters/operators/contains.kt

@@ -0,0 +1,8 @@
+fun box(): String {
+    val obj = JavaClass()
+
+    var v = "FAIL"
+    { v = "O" } in obj
+    { v += "K" } !in obj
+    return v
+}

compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxWithJavaCodegenTestGenerated.java

@@ -247,6 +247,11 @@ public class BlackBoxWithJavaCodegenTestGenerated extends AbstractBlackBoxCodege
                 doTestWithJava("compiler/testData/codegen/boxWithJava/samAdapters/operators/binary.kt");
             }
             
+            @TestMetadata("contains.kt")
+            public void testContains() throws Exception {
+                doTestWithJava("compiler/testData/codegen/boxWithJava/samAdapters/operators/contains.kt");
+            }
+            
             @TestMetadata("get.kt")
             public void testGet() throws Exception {
                 doTestWithJava("compiler/testData/codegen/boxWithJava/samAdapters/operators/get.kt");