modules/web/src/test/java/test/javafx/scene/web/MiscellaneousTest.java

*** 33,42 ****
--- 33,45 ----
  import java.util.concurrent.Callable;
  import javafx.application.Platform;
  import javafx.beans.value.ChangeListener;
  import javafx.beans.value.ObservableValue;
  import javafx.concurrent.Worker.State;
+ import javafx.scene.canvas.Canvas;
+ import javafx.scene.canvas.GraphicsContext;
+ import javafx.scene.paint.LinearGradient;
  import javafx.scene.web.WebEngine;
  import javafx.scene.web.WebView;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.fail;
*** 142,150 ****
--- 145,169 ----
             // Try accessing the resultObject created in JavaFX Application Thread
             // from someother thread. It should throw an exception.
             obj.resultObject.toString();
       }
  
+     // JDK-8155903
+     @Test public void testGCfillWithLinearGradient() {
+         submit(()->{
+             Canvas canvas = new Canvas(100, 100);
+             GraphicsContext gc = canvas.getGraphicsContext2D();
+             LinearGradient lg = LinearGradient.valueOf(
+                   "linear-gradient(white 0%, black 1%, red 1%, green 2%,"
+                 + "yellow 3%, blue 4%, red 5%, red 6%, red 7%, red 8%, red 9%,"
+                 + "red 10%, green 70%)");
+             gc.setFill(lg);
+             gc.fill();
+             // Force paint
+             assertNotNull(canvas.snapshot(null, null));
+         });
+     }
+ 
      private WebEngine createWebEngine() {
          return submit(() -> new WebEngine());
      }
  }