lambda: initial is assignable check; effectively final; acceptable context

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/EffectiveFinal.java

@@ -0,0 +1,22 @@
+interface I {
+  int m(int i);
+}
+
+public class XXX {
+
+    static void foo() {
+        int l = 0;
+        int j = 0;
+        j = 2;
+        final int L = 0;
+        I i = (int h) -> { int k = 0; return h + <error descr="Variable used in lambda expression should be effectively final">j</error> + l + L; };
+    }
+
+    void bar() {
+        int l = 0;
+        int j = 0;
+        j = 2;
+        final int L = 0;
+        I i = (int h) -> { int k = 0; return h + k + <error descr="Variable used in lambda expression should be effectively final">j</error> + l + L; };
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/LambdaContext.java

@@ -0,0 +1,18 @@
+interface I {
+    void m(int x);
+}
+
+class Test {
+    void foo(Object x) {}
+
+    void bar() {
+        foo(<error descr="Operator '!' cannot be applied to '<lambda expression>'">!(int x)-> {}</error>);
+        foo(<error descr="Lambda expression is not expected here">(int x)-> { } instanceof Object</error> );
+    }
+
+    I bazz() {
+        foo((I)(int x)-> { });
+        I o = (I)(int x)-> { };
+        return (int x) -> {};
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/ReassignUsedVars.java

@@ -0,0 +1,9 @@
+class XXX {
+  void foo() {
+    int k = 0;
+    int n = 2;
+    Runnable r = ()->{
+      <error descr="Variable used in lambda expression should be effectively final">k</error> = n;
+    };
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/StaticAccess.java

@@ -0,0 +1,18 @@
+interface I {
+  int m();
+}
+
+class XXX {
+
+  int var;
+  static int ourVar;
+
+
+  static void foo() {
+    I s = () -> <error descr="Non-static field 'var' cannot be referenced from a static context">var</error> + ourVar;
+  }
+
+  void bar() {
+    I s = ()->var + ourVar;
+  }
+}