compound filter from filters chain (IDEA-146147)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/afterComments.java

@@ -0,0 +1,11 @@
+// "Merge filter's chain" "true"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.filter(name -> name.startsWith("A") && name.//comment2
+                    length() > 1//comment
+/*comment1*/
+    ).findAny();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/afterSimple.java

@@ -0,0 +1,8 @@
+// "Merge filter's chain" "true"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.filter(name -> name.startsWith("A") && name.length() > 1).findAny();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/beforeComments.java

@@ -0,0 +1,10 @@
+// "Merge filter's chain" "true"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.filt<caret>er(name -> name.startsWith("A"))//comment
+      .filter(a -> a.//comment2
+        length() > 1 /*comment1*/).findAny();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/beforeIncomplete.java

@@ -0,0 +1,8 @@
+// "Split into filter's chain" "false"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.fi<caret>lter(name -> name.startsWith("A")).filter().findAny();
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/beforeNotNeighbour.java

@@ -0,0 +1,8 @@
+// "Merge filter's chain" "false"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.fil<caret>ter(name -> name.startsWith("A")).map(a -> a).filter(b -> true);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mergeFilter/beforeSimple.java

@@ -0,0 +1,8 @@
+// "Merge filter's chain" "true"
+
+import java.util.stream.Stream;
+class Test {
+  void foo(Stream<String> stringStream ) {
+    stringStream.filt<caret>er(name -> name.startsWith("A")).filter(a -> a.length() > 1).findAny();
+  }
+}