Adding varargs methods to ExpectedConditions in order to avoid annoyi…

…ng Arrays.asList

Signed-off-by: Alexei Barantsev <barancev@gmail.com>

java/client/src/org/openqa/selenium/support/ui/ExpectedConditions.java

@@ -30,6 +30,7 @@
 import org.openqa.selenium.WebDriverException;
 import org.openqa.selenium.WebElement;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.logging.Level;
@@ -244,6 +245,19 @@ public String toString() {
     };
   }
 
+  /**
+   * An expectation for checking that all elements present on the web page that match the locator
+   * are visible. Visibility means that the elements are not only displayed but also have a height
+   * and width that is greater than 0.
+   *
+   * @param elements list of WebElements
+   * @return the list of WebElements once they are located
+   */
+  public static ExpectedCondition<List<WebElement>> visibilityOfAllElements(
+    final WebElement... elements) {
+    return visibilityOfAllElements(Arrays.asList(elements));
+  }
+
   /**
    * An expectation for checking that all elements present on the web page that match the locator
    * are visible. Visibility means that the elements are not only displayed but also have a height
@@ -1332,6 +1346,17 @@ public String toString() {
     };
   }
 
+  /**
+   * An expectation for checking all elements from given list to be invisible
+   *
+   * @param elements used to check their invisibility
+   * @return Boolean true when all elements are not visible anymore
+   */
+  public static ExpectedCondition<Boolean> invisibilityOfAllElements(
+    final WebElement... elements) {
+    return invisibilityOfAllElements(Arrays.asList(elements));
+  }
+
   /**
    * An expectation for checking all elements from given list to be invisible
    *