IDEA-162875 Stream API migration: support conversion to BufferedReader.lines()

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterBufferedReaderCollect.java

@@ -0,0 +1,15 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+    List<String> result;
+      result = br.lines().map(String::trim).collect(Collectors.toList());
+    return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterBufferedReaderCollectNestedOk.java

@@ -0,0 +1,19 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Main {
+  List<String> test(List<BufferedReader> readers) throws IOException {
+    for(BufferedReader br : readers) {
+      List<String> result;
+        result = br.lines().map(String::trim).collect(Collectors.toList());
+      if(result.size() > 10) {
+        return result;
+      }
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterBufferedReaderSum.java

@@ -0,0 +1,11 @@
+// "Replace with sum()" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+public class Main {
+  void test(BufferedReader br) throws IOException {
+      long count = br.lines().map(String::trim).mapToLong(String::length).sum();
+      System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderCollect.java

@@ -0,0 +1,17 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+    List<String> result = new ArrayList<>();
+    String line = "";
+    wh<caret>ile(null != (line = br.readLine())) {
+      result.add(line.trim());
+    }
+    return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderCollectNested.java

@@ -0,0 +1,19 @@
+// "Replace with collect" "false"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  List<String> test(List<BufferedReader> readers) throws IOException {
+    List<String> result = new ArrayList<>();
+    for(BufferedReader br : readers) {
+      String line = "";
+      wh<caret>ile (null != (line = br.readLine())) {
+        result.add(line.trim());
+      }
+    }
+    return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderCollectNestedOk.java

@@ -0,0 +1,21 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  List<String> test(List<BufferedReader> readers) throws IOException {
+    for(BufferedReader br : readers) {
+      List<String> result = new ArrayList<>();
+      String line = "";
+      wh<caret>ile (null != (line = br.readLine())) {
+        result.add(line.trim());
+      }
+      if(result.size() > 10) {
+        return result;
+      }
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderModifiedLine.java

@@ -0,0 +1,16 @@
+// "Replace with sum()" "false"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+public class Main {
+  void test(BufferedReader br) throws IOException {
+    String line = "";
+    long count = 0;
+    wh<caret>ile((line = br.readLine()) != null) {
+      line = line.trim();
+      count+=line.length();
+    }
+    System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderSum.java

@@ -0,0 +1,16 @@
+// "Replace with sum()" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+public class Main {
+  void test(BufferedReader br) throws IOException {
+    String line = "";
+    long count = 0;
+    wh<caret>ile((line = br.readLine()) != null) {
+      String trimmed = line.trim();
+      count+=trimmed.length();
+    }
+    System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeBufferedReaderSumLineReused.java

@@ -0,0 +1,16 @@
+// "Replace with sum()" "false"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+public class Main {
+  void test(BufferedReader br) throws IOException {
+    String line = "";
+    long count = 0;
+    wh<caret>ile((line = br.readLine()) != null) {
+      String trimmed = line.trim();
+      count+=trimmed.length();
+    }
+    System.out.println(count+":"+line);
+  }
+}