trivial functional expressions usage (IDEA-131090)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/afterBlockLambda.java

@@ -0,0 +1,9 @@
+// "Replace method call on lambda with lambda body" "true"
+import java.util.function.Supplier;
+
+class Test {
+  {
+      String s = "";
+      String str = s;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/afterExprLambda.java

@@ -0,0 +1,6 @@
+// "Replace method call on lambda with lambda body" "true"
+import java.util.function.Supplier;
+
+class Test {
+  String s = "";
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/afterMethodRef.java

@@ -0,0 +1,10 @@
+// "Replace method call on method reference with corresponding method call" "true"
+import java.util.function.Supplier;
+
+class Test {
+  String s = foo();
+
+  private String foo() {
+    return null;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeBlockLambda.java

@@ -0,0 +1,11 @@
+// "Replace method call on lambda with lambda body" "true"
+import java.util.function.Supplier;
+
+class Test {
+  {
+    String str = ((Supplier<String>)() -> {
+      String s = "";
+      return s;
+    }).g<caret>et();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeBlockLambdaInFieldDeclaration.java

@@ -0,0 +1,9 @@
+// "Replace method call on lambda with lambda body" "false"
+import java.util.function.Supplier;
+
+class Test {
+  String str = ((Supplier<String>) () -> {
+    String s = "";
+    return s;
+  }).g<caret>et();
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeExprLambda.java

@@ -0,0 +1,8 @@
+// "Replace method call on lambda with lambda body" "true"
+import java.util.function.Supplier;
+
+class Test {
+  String s = ((Supplier<String>) () -> {
+    return "";
+  }).g<caret>et();
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeMethodRef.java

@@ -0,0 +1,10 @@
+// "Replace method call on method reference with corresponding method call" "true"
+import java.util.function.Supplier;
+
+class Test {
+  String s = ((Supplier<String>) this::foo).ge<caret>t();
+
+  private String foo() {
+    return null;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeUnresolvedMethodRef.java

@@ -0,0 +1,6 @@
+// "Replace method call on method reference with corresponding method call" "false"
+import java.util.function.Supplier;
+
+class Test {
+  String s = ((Supplier<String>) this::foo).ge<caret>t();
+}