testdata for IDEA-137668

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/regression/IDEA137668.java

@@ -0,0 +1,48 @@
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+class Test {
+
+  private InputStream stream;
+
+  public int read(byte[] data, int offset, int len) throws IOException {
+    return apply(() -> {
+      if (stream == null || stream.available() < 0) {
+        throw new FileNotFoundException();
+      }
+      for (long t = System.currentTimeMillis(); stream != null && stream.available() >= 0; ) {
+        if (System.currentTimeMillis() - t >= 10_000) {
+          throw new InterruptedIOException("Timeout exceeded");
+        }
+        final int count = stream.available();
+        if (count > 0) {
+          final int n = Math.min(len, count);
+          final byte[] buf = new byte[n];
+          final int c = stream.read(buf);
+          System.arraycopy(buf, 0, data, offset, c);
+          return c;
+        } else {
+          Thread.sleep(1L);
+        }
+      }
+      throw new FileNotFoundException();
+    });
+  }
+
+  synchronized <T> T apply(SerialPortAction<T> action) throws IOException {
+    try {
+      return action.apply();
+    } catch (InterruptedException x) {
+      final InterruptedIOException y = new InterruptedIOException(x.getMessage());
+      y.initCause(x);
+      throw y;
+    }
+  }
+
+  @FunctionalInterface
+  interface SerialPortAction<T> {
+
+    T apply() throws IOException, InterruptedException;
+  }
+}